Document:

EX-10.17

 Exhibit 10.17 

CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED (INDICATED BY: [***]) FROM THE EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) WOULD LIKELY
CAUSE COMPETITIVE HARM IF PUBLICLY DISCLOSED. 
 FOLLICA, INCORPORATED 

FIFTH AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

Dated as of July 19, 2019 

 FIFTH AMENDED AND RESTARTED INVESTORS’ RIGHTS AGREEMENT 

TABLE OF CONTENTS 
  

									
	 	 	 	  	 	  	Page	 
			
	 1.
	 	 Definitions
	  	 	1	 
			
	 2.
	 	 Registration Rights. The Company covenants and agrees as follows:
	  	 	4	 
				
		 	2.1	  	 Demand Registration
	  	 	4	 
		 	2.2	  	 Company Registration
	  	 	6	 
		 	2.3	  	 Underwriting Requirements
	  	 	6	 
		 	2.4	  	 Obligations of the Company
	  	 	7	 
		 	2.5	  	 Furnish Information
	  	 	9	 
		 	2.6	  	 Expenses of Registration
	  	 	9	 
		 	2.7	  	 Delay of Registration
	  	 	9	 
		 	2.8	  	 Indemnification
	  	 	9	 
		 	2.9	  	 Reports Under Exchange Act
	  	 	11	 
		 	2.10	  	 Limitations on Subsequent Registration Rights
	  	 	12	 
		 	2.11	  	 “Market Stand off” Agreement
	  	 	12	 
		 	2.12	  	 Restrictions on Transfer
	  	 	13	 
		 	2.13  	  	 Termination of Registration Rights
	  	 	14	 
			
	 3.
	 	 Information Rights
	  	 	15	 
				
		 	3.1	  	 Delivery of Financial Statements
	  	 	15	 
		 	3.2	  	 Inspection
	  	 	16	 
		 	3.3	  	 Termination of Information Rights
	  	 	16	 
		 	3.4	  	 Confidentiality
	  	 	16	 
			
	 4.
	 	 Rights to Future Stock Issuances
	  	 	16	 
				
		 	4.1	  	 Right of First Offer
	  	 	16	 
		 	4.2	  	 Termination
	  	 	17	 
			
	 5.
	 	 Additional Covenants
	  	 	18	 
				
		 	5.1	  	 Qualified Small Business Stock
	  	 	18	 
		 	5.2	  	 Board Matters
	  	 	18	 
		 	5.3	  	 Successor Indemnification
	  	 	18	 
		 	5.4	  	 Termination of Covenants
	  	 	18	 
			
	 6.
	 	 Miscellaneous
	  	 	18	 
				
		 	6.1	  	 Successors and Assigns
	  	 	18	 
		 	6.2	  	 Governing Law
	  	 	19	 
		 	6.3	  	 Counterparts
	  	 	19	 
		 	6.4	  	 Titles and Subtitles
	  	 	19	 
		 	6.5	  	 Notices
	  	 	19	 
		 	6.6	  	 Amendments and Waivers
	  	 	20	 

									
		 	6.7	  	 Severability
	  	 	20	 
		 	6.8	  	 Aggregation of Stock
	  	 	21	 
		 	6.9	  	 Entire Agreement
	  	 	21	 
		 	6.10	  	 Dispute Resolution
	  	 	21	 
		 	6.11	  	 Delays or Omissions
	  	 	22	 
		 	6.12	  	 Acknowledgment
	  	 	22	 

  

  
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 FIFTH AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

THIS FIFTH AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT (this “Agreement”) is made as of the 19th day of July, 2019, by and among Follica, Incorporated, a Delaware corporation (the “Company”) and each of the investors listed on Schedule A hereto, each of which is referred to in
this Agreement as an “Investor.” All capitalized terms used but not defined herein shall have the meanings set forth in the Note Conversion Agreement (as defined below). 

RECITALS 

WHEREAS, certain of the Investors (the “Existing Investors”) hold shares of the Company’s Series A-1 Preferred Stock, par value $0.0001 per share (the “Series A-1 Preferred Stock”), Series
A-2 Preferred Stock, par value $0.0001 per share (the “Series A-2 Preferred Stock”), Mezzanine Preferred Stock, par value $0.0001 per share (the
“Mezzanine Preferred Stock”), and/or shares of the Company’s Common Stock, par value $0.0001 per share (the “Common Stock”) issued upon conversion thereof and possess registration rights, information rights,
rights of first offer and other rights pursuant to that certain Fourth Amended and Restated Investors’ Rights Agreement dated as of [***] by and among the Company and such Existing Investors (the “Prior Agreement”); 

WHEREAS, the Prior Agreement may be amended, and any provision therein waived, with the written consent of the Company and the holders
of [***] of the Registrable Securities (as defined in the Prior Agreement) then outstanding (the “IRA Required Holders”); 

WHEREAS, the undersigned constitute the IRA Required Holders and desire to amend and restate the Prior Agreement and to accept the
rights created pursuant hereto in lieu of the rights granted to them under the Prior Agreement; and 
 WHEREAS, certain Investors are
parties to the Series A-3 Note Conversion Agreement of even date herewith by and among the Company and certain Investors (the “Note Conversion Agreement”), which provides that as a
condition to the closing of the issuance of the Company’s Series A-3 Preferred Stock, this Agreement must be executed and delivered by such Investors, the Company and the IRA Required Holders. 

NOW, THEREFORE, the parties hereby agree as follows: 

1. Definitions. For purposes of this Agreement: 

1.1 “Affiliate” means, with respect to any specified Person, any other Person who, directly or
indirectly, controls, is controlled by, or is under common control with such Person, including without limitation any general partner, managing member, officer, director or trustee of such Person, or any venture capital fund or registered investment
company now or hereafter existing that is controlled by one or more general partners, managing members or investment adviser of, or shares the same management company or investment adviser with, such Person. 

 1.2 “Board of Directors” means the board of directors of
the Company. 
 1.3 “Voting Agreement” means that certain Fifth Amended and Restated Voting agreement dated
as of the date hereof by and among the Company and the parties signatory thereto. 
 1.4 “Damages” means any
loss, damage, claim or liability (joint or several) to which a party hereto may become subject under the Securities Act, the Exchange Act, or other federal or state law, insofar as such loss, damage, claim or liability (or any action in respect
thereof) arises out of or is based upon (i) any untrue statement or alleged untrue statement of a material fact contained in any registration statement of the Company, including any preliminary prospectus or final prospectus contained therein
or any amendments or supplements thereto; (ii) an omission or alleged omission to state therein a material fact required to be stated therein, or necessary to make the statements therein not misleading; or (iii) any violation or alleged
violation by the indemnifying party (or any of its agents or Affiliates) of the Securities Act, the Exchange Act, any state securities law, or any rule or regulation promulgated under the Securities Act, the Exchange Act, or any state securities
law. 
 1.5 “Derivative Securities” means any securities or rights convertible into, or exercisable or
exchangeable for (in each case, directly or indirectly), Common Stock, including options and warrants. 
 1.6
“Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated thereunder. 

1.7 “Excluded Registration” means (i) a registration relating to the sale or grant of securities to
employees of the Company or a subsidiary pursuant to a stock option, stock purchase, equity incentive or similar plan; (ii) a registration relating to an SEC Rule 145 transaction; (iii) a registration on any form that does not include
substantially the same information as would be required to be included in a registration statement covering the sale of the Registrable Securities; or (iv) a registration in which the only Common Stock being registered is Common Stock issuable
upon conversion of debt securities that are also being registered. 
 1.9 “Form
S-3” means such form under the Securities Act as in effect on the date hereof or any registration form under the Securities Act subsequently adopted by the SEC that permits forward incorporation of
substantial information by reference to other documents filed by the Company with the SEC. 
 1.10 “GAAP”
means generally accepted accounting principles in the United States as in effect from time to time. 
 1.11
“Holder” means any holder of Registrable Securities who is a party to this Agreement. 
 1.12
“Immediate Family Member” means a child, stepchild, grandchild, parent, stepparent, grandparent, spouse, sibling, mother-in-law, father-in-law, son-in-law,
daughter-in-law, brother-in-law, or sister-in-law, including adoptive relationships, of a natural person referred to herein. 

  
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 1.13 “Initiating Holders” means, collectively, Holders who
properly initiate a registration request under this Agreement. 
 1.14 “IPO” means the Company’s first
underwritten public offering of its Common Stock under the Securities Act. 
 1.15 “Major Investor” means
any Investor that, individually or together with such Investor’s Affiliates, holds at least [***] of Registrable Securities (as adjusted for any stock split, stock dividend, combination, or other recapitalization or reclassification effected
after the date hereof) [***]. 
 1.16 “Series A-3 Preferred Stock”
means shares of the Company’s Series A-3 Preferred Stock, par value $0.0001 per share. 

1.17 “New Securities” means, collectively, equity securities of the Company, whether or not currently
authorized, as well as rights, options, or warrants to purchase such equity securities, or securities of any type whatsoever that are, or may become, convertible or exchangeable into or exercisable for such equity securities. 

1.18 “Person” means any individual, corporation, partnership, trust, limited liability company, association or
other entity. 
 1.19 “Preferred Stock” means, collectively, shares of the Company’s Series A-1 Preferred Stock, Series A-2 Preferred Stock, Mezzanine Preferred Stock and Series A-3 Preferred Stock. 

1.20 “Registrable Securities” means (i) the Common Stock issuable or issued upon conversion of the
Preferred Stock; (ii) any Common Stock issued or issuable (directly or indirectly) upon conversion and/or exercise of any other securities of the Company, acquired by the Investors after the date hereof and Common Stock issued or issuable upon
exercise of any Common Stock or Preferred Stock purchase warrants held by [***]; and (iii) any Common Stock issued as (or issuable upon the conversion or exercise of any warrant, right, or other security that is issued as) a dividend or other
distribution with respect to, or in exchange for or in replacement of, the shares referenced in clauses (i) and (ii) above; excluding in all cases, however, any Registrable Securities sold by a Person in a transaction in which the applicable
rights under this Agreement are not assigned pursuant to Section 6.1, and excluding for purposes of Section 2 any shares for which registration rights have terminated pursuant to Section 2.13 of this Agreement. 

1.21 “Registrable Securities then outstanding” means the number of shares determined by adding the number of
shares of outstanding Common Stock that are Registrable Securities and the number of shares of Common Stock issuable (directly or indirectly) pursuant to then exercisable and/or convertible securities that are Registrable Securities. 

  
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 1.22 “Restated Certificate” means the Company’s Fifth
Amended and Restated Certificate of Incorporation, as may be amended and/or restated. 
 1.23 “Restricted
Securities” means the securities of the Company required to bear the legend set forth in Section 2.12(b) hereof. 

1.24 “SEC” means the Securities and Exchange Commission. 

1.25 “SEC Rule 144” means Rule 144 promulgated by the SEC under the Securities Act. 

1.26 “SEC Rule 145” means Rule 145 promulgated by the SEC under the Securities Act. 

1.27 “Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations promulgated
thereunder. 
 1.28 “Selling Expenses” means all underwriting discounts, selling commissions, and stock
transfer taxes applicable to the sale of Registrable Securities, and fees and disbursements of counsel for any Holder, except for the fees and disbursements of the Selling Holder Counsel borne and paid by the Company as provided in Section 2.6.

 2. Registration Rights. The Company covenants and agrees as follows: 

2.1 Demand Registration. 

(a) Form S-1 Demand. If at any time after the earlier of (i) [***] after the
date of this Agreement or (ii) [***] after the effective date of the registration statement for the IPO, the Company receives a request from Holders of at least [***] of the Registrable Securities then outstanding that the Company file a Form S-1 registration statement with respect to [***] of the Registrable Securities then outstanding (or a lesser percent if the anticipated aggregate offering price, net of Selling Expenses, would exceed [***]), then
the Company shall (i) within [***] after the date such request is given, give notice thereof (the “Demand Notice”) to all Holders other than the Initiating Holders; and (ii) as soon as practicable, and in any event within
[***] after the date such request is given by the Initiating Holders, file a Form S-1 registration statement under the Securities Act covering all Registrable Securities that the Initiating Holders requested
to be registered and any additional Registrable Securities requested to be included in such registration by any other Holders, as specified by notice given by each such Holder to the Company within [***] of the date the Demand Notice is given, and
in each case, subject to the limitations of Section 2.1(c) and Section 2.3. 

(b) Form S-3 Demand. If at any time when it is eligible to use a Form S-3 registration statement, the Company receives a request from Holders of at least [***] of the Registrable Securities then outstanding that the Company file a Form S-3
registration statement with respect to outstanding Registrable Securities of such Holders having an anticipated aggregate offering price, net of Selling Expenses, of at least [***], then the Company shall (i) within [***] after the date such
request is given, give a Demand Notice to 

  
 - 4 - 

 
all Holders other than the Initiating Holders; and (ii) as soon as practicable, and in any event within [***] after the date such request is given by the Initiating Holders, file a Form S-3 registration statement under the Securities Act covering all Registrable Securities requested to be included in such registration by any other Holders, as specified by notice given by each such Holder to the
Company within [***] of the date the Demand Notice is given, and in each case, subject to the limitations of Section 2.1(c) and Section 2.3. 

(c) Notwithstanding the foregoing obligations, if the Company furnishes to Holders requesting a registration pursuant to this
Section 2.1 a certificate signed by the Company’s chief executive officer stating that in the good faith judgment of the Board of Directors it would be materially detrimental to the Company and its stockholders for
such registration statement to either become effective or remain effective for as long as such registration statement otherwise would be required to remain effective, because such action would (i) materially interfere with a significant
acquisition, corporate reorganization, or other similar transaction involving the Company; (ii) require premature disclosure of material information that the Company has a bona fide business purpose for preserving as confidential; or
(iii) render the Company unable to comply with requirements under the Securities Act or Exchange Act, then the Company shall have the right to defer taking action with respect to such filing for a period of not more than [***] after the request
of the Initiating Holders is given; provided, however, that the Company may not invoke this right more than [***] in any [***] period; and provided further that the Company shall not register any securities for its own account or that
of any other stockholder during such [***] period other than an Excluded Registration. 
 (d) The Company shall not be
obligated to effect, or to take any action to effect, any registration pursuant to Section 2.1(a) (i) during the period that is [***] before the Company’s good faith estimate of the date of filing of, and ending
on a date that is [***] after the effective date of, a Company-initiated registration, provided, that the Company is actively employing in good faith commercially reasonable efforts to cause such registration statement to become effective;
(ii) after the Company has effected two registrations pursuant to Section 2.1(a); or (iii) if the Initiating Holders propose to dispose of shares of Registrable Securities that may be immediately registered on
Form S-3 pursuant to a request made pursuant to Section 2.1(b). The Company shall not be obligated to effect, or to take any action to effect, any registration pursuant to
Section 2.1(b) (i) during the period that is [***] before the Company’s good faith estimate of the date of filing of, and ending on a date that is [***] after the effective date of, a Company-initiated
registration, provided, that the Company is actively employing in good faith commercially reasonable efforts to cause such registration statement to become effective; or (ii) if the Company has effected two registrations pursuant to
Section 2.1(b) within the [***] period immediately preceding the date of such request. A registration shall not be counted as “effected” for purposes of this Section 2.1(d) until such
time as the applicable registration statement has been declared effective by the SEC, unless the Initiating Holders withdraw their request for such registration, elect not to pay the registration expenses therefor, and forfeit their right to one
demand registration statement pursuant to Section 2.6, in which case such withdrawn registration statement shall be counted as “effected” for purposes of this Section 2.1(d). 

  
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 2.2 Company Registration. If the Company proposes to register
(including, for this purpose, a registration effected by the Company for stockholders other than the Holders) any of its securities under the Securities Act in connection with the public offering of such securities solely for cash (other than in an
Excluded Registration), the Company shall, at such time, promptly give each Holder notice of such registration. Upon the request of each Holder given within [***] after such notice is given by the Company, the Company shall, subject to the
provisions of Section 2.3, cause to be registered all of the Registrable Securities that each such Holder has requested to be included in such registration. The Company shall have the right to terminate or withdraw any
registration initiated by it under this Section 2.2 before the effective date of such registration, whether or not any Holder has elected to include Registrable Securities in such registration. The expenses (other than
Selling Expenses) of such withdrawn registration shall be borne by the Company in accordance with Section 2.6. 

2.3 Underwriting Requirements. 

(a) If, pursuant to Section 2.1, the Initiating Holders intend to distribute the Registrable
Securities covered by their request by means of an underwriting, they shall so advise the Company as a part of their request made pursuant to Section 2.1, and the Company shall include such information in the Demand Notice.
The underwriter(s) will be selected by the Initiating Holders, subject only to the reasonable approval of the Company. In such event, the right of any Holder to include such Holder’s Registrable Securities in such registration shall be
conditioned upon such Holder’s participation in such underwriting and the inclusion of such Holder’s Registrable Securities in the underwriting to the extent provided herein. All Holders proposing to distribute their securities through
such underwriting shall (together with the Company as provided in Section 2.4(e)) enter into an underwriting agreement in customary form with the underwriter(s) selected for such underwriting. Notwithstanding any other
provision of this Section 2.3, if the managing underwriter(s) advise(s) the Initiating Holders in writing that marketing factors require a limitation on the number of shares to be underwritten, then the Initiating Holders
shall so advise all Holders of Registrable Securities that otherwise would be underwritten pursuant hereto, and the number of Registrable Securities that may be included in the underwriting shall be allocated among such Holders of Registrable
Securities, including the Initiating Holders, in proportion (as nearly as practicable) to the number of Registrable Securities owned by each Holder or in such other proportion as shall mutually be agreed to by all such selling Holders; provided,
however, that the number of Registrable Securities held by the Holders to be included in such underwriting shall not be reduced unless all other securities are first entirely excluded from the underwriting. 

(b) In connection with any offering involving an underwriting of shares of the Company’s capital stock pursuant to
Section 2.2, the Company shall not be required to include any of the Holders’ Registrable Securities in such underwriting unless the Holders accept the terms of the underwriting as agreed upon between the Company and
its underwriters, and then only in such quantity as the underwriters in their sole discretion determine will not jeopardize the success of the offering by the Company. If the total number of securities, including Registrable Securities, requested by
stockholders to be included in such offering exceeds the number of securities to be sold (other than by the Company) that the underwriters in their reasonable discretion determine is compatible with the success of the offering, then the Company
shall be required to include in the offering only that number of 

  
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such securities, including Registrable Securities, which the underwriters and the Company in their sole discretion determine will not jeopardize the success of the offering. If the underwriters
determine that less than all of the Registrable Securities requested to be registered can be included in such offering, then the Registrable Securities that are included in such offering shall be allocated among the selling Holders in proportion (as
nearly as practicable to) the number of Registrable Securities owned by each selling Holder or in such other proportions as shall mutually be agreed to by all such selling Holders. Notwithstanding the foregoing, in no event shall (i) the number
of Registrable Securities included in the offering be reduced unless all other securities (other than securities to be sold by the Company) are first entirely excluded from the offering, or (ii) the number of Registrable Securities included in
the offering be reduced below [***] of the total number of securities included in such offering, unless such offering is the IPO, in which case the selling Holders may be excluded further if the underwriters make the determination described above
and no other stockholder’s securities are included in such offering. For purposes of the provision in this Section 2.3(b) concerning apportionment, for any selling Holder that is a partnership, limited liability
company, or corporation, the partners, members, retired partners, retired members, stockholders, and Affiliates of such Holder, or the estates and Immediate Family Members of any such partners, retired partners, members, and retired members and any
trusts for the benefit of any of the foregoing Persons, shall be deemed to be a single “selling Holder,” and any pro rata reduction with respect to such “selling Holder” shall be based upon the aggregate number of Registrable
Securities owned by all Persons included in such “selling Holder,” as defined in this sentence. 
 2.4
Obligations of the Company. Whenever required under this Section 2 to effect the registration of any Registrable Securities, the Company shall, as expeditiously as reasonably possible: 

(a) prepare and file with the SEC a registration statement with respect to such Registrable Securities and use its commercially
reasonable efforts to cause such registration statement to become effective and, upon the request of the Holders of a majority of the Registrable Securities registered thereunder, keep such registration statement effective for a period of up to
[***] or, if earlier, until the distribution contemplated in the registration statement has been completed; provided, however, that (i) such [***] period shall be extended for a period of time equal to the period the Holder refrains, at
the request of an underwriter of Common Stock (or other securities) of the Company, from selling any securities included in such registration, and (ii) in the case of any registration of Registrable Securities on Form S-3 that are intended to be offered on a continuous or delayed basis, subject to compliance with applicable SEC rules, such [***] period shall be extended for up to [***], if necessary, to keep the registration
statement effective until all such Registrable Securities are sold; 
 (b) prepare and file with the SEC such amendments and
supplements to such registration statement, and the prospectus used in connection with such registration statement, as may be necessary to comply with the Securities Act in order to enable the disposition of all securities covered by such
registration statement; 
 (c) furnish to the selling Holders such numbers of copies of a prospectus, including a preliminary
prospectus, as required by the Securities Act, and such other documents as the Holders may reasonably request in order to facilitate their disposition of their Registrable Securities; 

  
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 (d) use its commercially reasonable efforts to register and qualify the
securities covered by such registration statement under such other securities or blue-sky laws of such jurisdictions as shall be reasonably requested by the selling Holders; provided that the Company shall not
be required to qualify to do business or to file a general consent to service of process in any such states or jurisdictions, unless the Company is already subject to service in such jurisdiction and except as may be required by the Securities Act;

 (e) in the event of any underwritten public offering, enter into and perform its obligations under an underwriting
agreement, in usual and customary form, with the underwriter(s) of such offering; 
 (f) use its commercially reasonable
efforts to cause all such Registrable Securities covered by such registration statement to be listed on a national securities exchange or trading system and each securities exchange and trading system (if any) on which similar securities issued by
the Company are then listed; 
 (g) provide a transfer agent and registrar for all Registrable Securities registered pursuant
to this Agreement and provide a CUSIP number for all such Registrable Securities, in each case not later than the effective date of such registration; 

(h) promptly make available for inspection by the selling Holders, any managing underwriter(s) participating in any disposition
pursuant to such registration statement, and any attorney or accountant or other agent retained by any such underwriter or selected by the selling Holders, all financial and other records, pertinent corporate documents, and properties of the
Company, and cause the Company’s officers, directors, employees, and independent accountants to supply all information reasonably requested by any such seller, underwriter, attorney, accountant, or agent, in each case, as necessary or advisable
to verify the accuracy of the information in such registration statement and to conduct appropriate due diligence in connection therewith; 

(i) notify each selling Holder, promptly after the Company receives notice thereof, of the time when such registration
statement has been declared effective or a supplement to any prospectus forming a part of such registration statement has been filed; and 

(j) after such registration statement becomes effective, notify each selling Holder of any request by the SEC that the Company
amend or supplement such registration statement or prospectus. 
 2.5 Furnish Information. It shall be a condition
precedent to the obligations of the Company to take any action pursuant to this Section 2 with respect to the Registrable Securities of any selling Holder that such Holder shall furnish to the Company such information regarding itself, the
Registrable Securities held by it, and the intended method of disposition of such securities as is reasonably required to effect the registration of such Holder’s Registrable Securities. 

  
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 2.6 Expenses of Registration. All expenses (other than Selling
Expenses) incurred in connection with registrations, filings, or qualifications pursuant to Section 2, including all registration, filing, and qualification fees; printers’ and accounting fees; fees and disbursements
of counsel for the Company; and the reasonable fees and disbursements of one counsel for the selling Holders (“Selling Holder Counsel”), shall be borne and paid by the Company; provided, however, that the Company shall not be
required to pay for any expenses of any registration proceeding begun pursuant to Section 2.1 if the registration request is subsequently withdrawn at the request of the Holders of [***] of the Registrable Securities to be
registered (in which case all selling Holders shall bear such expenses pro rata based upon the number of Registrable Securities that were to be included in the withdrawn registration), unless the Holders of [***] of the Registrable Securities agree
to forfeit their right to one registration pursuant to Section 2.1(a) or Section 2.1(b), as the case may be; provided further that if, at the time of such withdrawal, the Holders shall have
learned of a material adverse change in the condition, business, or prospects of the Company from that known to the Holders at the time of their request and have withdrawn the request with reasonable promptness after learning of such information
then the Holders shall not be required to pay any of such expenses and shall not forfeit their right to one registration pursuant to Section 2.1(a) or Section 2.1(b). All Selling Expenses relating
to Registrable Securities registered pursuant to this Section 2 shall be borne and paid by the Holders pro rata on the basis of the number of Registrable Securities registered on their behalf. 

2.7 Delay of Registration. No Holder shall have any right to obtain or seek an injunction restraining or otherwise
delaying any registration pursuant to this Agreement as the result of any controversy that might arise with respect to the interpretation or implementation of this Section 2. 

2.8 Indemnification. If any Registrable Securities are included in a registration statement under this
Section 2: 
 (a) To the extent permitted by law, the Company will indemnify and hold harmless each
selling Holder, and the partners, members, officers, directors, and stockholders of each such Holder; legal counsel and accountants for each such Holder; any underwriter (as defined in the Securities Act) for each such Holder; and each Person, if
any, who controls such Holder or underwriter within the meaning of the Securities Act or the Exchange Act, against any Damages, and the Company will pay to each such Holder, underwriter, controlling Person, or other aforementioned Person any legal
or other expenses reasonably incurred thereby in connection with investigating or defending any claim or proceeding from which Damages may result, as such expenses are incurred; provided, however, that the indemnity agreement contained in
this Section 2.8(a) shall not apply to amounts paid in settlement of any such claim or proceeding if such settlement is effected without the consent of the Company, which consent shall not be unreasonably withheld, nor
shall the Company be liable for any Damages to the extent that they arise out of or are based upon actions or omissions made in reliance upon and in conformity with written information furnished by or on behalf of any such Holder, underwriter,
controlling Person, or other aforementioned Person expressly for use in connection with such registration. 

  
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 (b) To the extent permitted by law, each selling Holder, severally and not
jointly, will indemnify and hold harmless the Company, and each of its directors, each of its officers who has signed the registration statement, each Person (if any), who controls the Company within the meaning of the Securities Act, legal counsel
and accountants for the Company, any underwriter (as defined in the Securities Act), any other Holder selling securities in such registration statement, and any controlling Person of any such underwriter or other Holder, against any Damages, in each
case only to the extent that such Damages arise out of or are based upon actions or omissions made in reliance upon and in conformity with written information furnished by or on behalf of such selling Holder expressly for use in connection with such
registration; and each such selling Holder will pay to the Company and each other aforementioned Person any legal or other expenses reasonably incurred thereby in connection with investigating or defending any claim or proceeding from which Damages
may result, as such expenses are incurred; provided, however, that the indemnity agreement contained in this Section 2.8(b) shall not apply to amounts paid in settlement of any such claim or proceeding if such
settlement is effected without the consent of the Holder, which consent shall not be unreasonably withheld; and provided further that in no event shall the aggregate amounts payable by any Holder by way of indemnity or contribution under Sections
2.8(b) and 2.8(d) exceed the proceeds from the offering received by such Holder (net of any Selling Expenses paid by such Holder), except in the case of fraud or willful misconduct by such Holder. 

(c) Promptly after receipt by an indemnified party under this Section 2.8 of notice of the
commencement of any action (including any governmental action) for which a party may be entitled to indemnification hereunder, such indemnified party will, if a claim in respect thereof is to be made against any indemnifying party under this
Section 2.8, give the indemnifying party notice of the commencement thereof. The indemnifying party shall have the right to participate in such action and, to the extent the indemnifying party so desires, participate
jointly with any other indemnifying party to which notice has been given, and to assume the defense thereof with counsel mutually satisfactory to the parties; provided, however, that an indemnified party (together with all other indemnified
parties that may be represented without conflict by one counsel) shall have the right to retain one separate counsel, with the fees and expenses to be paid by the indemnifying party, if representation of such indemnified party by the counsel
retained by the indemnifying party would be inappropriate due to actual or potential differing interests between such indemnified party and any other party represented by such counsel in such action. The failure to give notice to the indemnifying
party within a reasonable time of the commencement of any such action shall relieve such indemnifying party of any liability to the indemnified party under this Section 2.8, to the extent that such failure materially
prejudices the indemnifying party’s ability to defend such action. 
 (d) To provide for just and equitable contribution
to joint liability under the Securities Act in any case in which either (i) any party otherwise entitled to indemnification hereunder makes a claim for indemnification pursuant to this Section 2.8 but it is judicially
determined (by the entry of a final judgment or decree by a court of competent jurisdiction and the expiration of time to appeal or the denial of the last right of appeal) that such indemnification may not be enforced in such case, notwithstanding
the fact that this Section 2.8 provides for indemnification in such case, or (ii) contribution under the Securities Act may 

  
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be required on the part of any party hereto for which indemnification is provided under this Section 2.8, then, and in each such case, such parties will contribute to
the aggregate losses, claims, damages, liabilities, or expenses to which they may be subject (after contribution from others) in such proportion as is appropriate to reflect the relative fault of each of the indemnifying party and the indemnified
party in connection with the statements, omissions, or other actions that resulted in such loss, claim, damage, liability, or expense, as well as to reflect any other relevant equitable considerations. The relative fault of the indemnifying party
and of the indemnified party shall be determined by reference to, among other things, whether the untrue or allegedly untrue statement of a material fact, or the omission or alleged omission of a material fact, relates to information supplied by the
indemnifying party or by the indemnified party and the parties’ relative intent, knowledge, access to information, and opportunity to correct or prevent such statement or omission; provided, however, that, in any such case, (x) no
Holder will be required to contribute any amount in excess of the public offering price of all such Registrable Securities offered and sold by such Holder pursuant to such registration statement, and (y) no Person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Securities Act) will be entitled to contribution from any Person who was not guilty of such fraudulent misrepresentation; and provided further that in no
event shall a Holder’s liability pursuant to this Section 2.8(d), when combined with the amounts paid or payable by such Holder pursuant to Section 2.8(b), exceed the proceeds from the
offering received by such Holder (net of any Selling Expenses) paid by such Holder), except in the case of willful misconduct or fraud by such Holder. 

(e) Notwithstanding the foregoing, to the extent that the provisions on indemnification and contribution contained in the
underwriting agreement entered into in connection with the underwritten public offering are in conflict with the foregoing provisions, the provisions in the underwriting agreement shall control. 

(f) Unless otherwise superseded by an underwriting agreement entered into in connection with the underwritten public offering,
the obligations of the Company and Holders under this Section 2.8 shall survive the completion of any offering of Registrable Securities in a registration under this Section 2, and otherwise shall
survive the termination of this Agreement. 
 2.9 Reports Under Exchange Act. With a view to making available to the
Holders the benefits of SEC Rule 144 and any other rule or regulation of the SEC that may at any time permit a Holder to sell securities of the Company to the public without registration or pursuant to a registration on Form S 3, the Company shall:

 (a) make and keep available adequate current public information, as those terms are understood and defined in SEC Rule
144, at all times after the effective date of the registration statement filed by the Company for the IPO; 
 (b) use
commercially reasonable efforts to file with the SEC in a timely manner all reports and other documents required of the Company under the Securities Act and the Exchange Act (at any time after the Company has become subject to such reporting
requirements); and 

  
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 (c) furnish to any Holder, so long as the Holder owns any Registrable
Securities, forthwith upon request (i) to the extent accurate, a written statement by the Company that it has complied with the reporting requirements of SEC Rule 144 (at any time after [***] after the effective date of the registration
statement filed by the Company for the IPO), the Securities Act, and the Exchange Act (at any time after the Company has become subject to such reporting requirements), or that it qualifies as a registrant whose securities may be resold pursuant to
Form S 3 (at any time after the Company so qualifies); (ii) a copy of the most recent annual or quarterly report of the Company and such other reports and documents so filed by the Company; and (iii) such other information as may be reasonably
requested in availing any Holder of any rule or regulation of the SEC that permits the selling of any such securities without registration (at any time after the Company has become subject to the reporting requirements under the Exchange Act) or
pursuant to Form S 3 (at any time after the Company so qualifies to use such form). 
 2.10 Limitations on Subsequent
Registration Rights. From and after the date of this Agreement, the Company shall not, without the prior written consent of the Holders of at least [***] of the Registrable Securities then outstanding, enter into any agreement with any holder or
prospective holder of any securities of the Company that would provide to such holder the right to include securities in any registration on other than either a pro rata basis with respect to the Registrable Securities or on a subordinate basis
after all Holders have had the opportunity to include in the registration and offering all shares of Registrable Securities that they wish to so include. 

2.11 “Market Stand off” Agreement. Each Holder hereby agrees that it will not, without
the prior written consent of the managing underwriter, during the period commencing on the date of the final prospectus relating to the registration by the Company of shares of its Common Stock or any other equity securities under
the Securities Act on a registration statement on Form S-1 or Form S-3, and ending on the date specified by the Company and the managing underwriter (such period not to exceed
[***] in the case of the IPO, or such other period as may be requested by the Company or an underwriter to accommodate regulatory restrictions on (1) the publication or other distribution of research reports, and (2) analyst
recommendations and opinions, including, but not limited to, the restrictions contained in FINRA Rule 2711(f)(4) or NYSE Rule 472(f)(4), or any successor provisions or amendments thereto), or [***] in the case of any registration other than the IPO,
or such other period as may be requested by the Company or an underwriter to accommodate regulatory restrictions on (1) the publication or other distribution of research reports and (2) analyst recommendations and opinions, including, but
not limited to, the restrictions contained in FINRA Rule 2711(f)(4) or NYSE Rule 472(f)(4), or any successor provisions or amendments thereto), (i) lend; offer; pledge; sell; contract to sell; sell any option or contract to purchase; purchase any
option or contract to sell; grant any option, right, or warrant to purchase; or otherwise transfer or dispose of, directly or indirectly, any shares of Common Stock or any securities convertible into or exercisable or exchangeable (directly or
indirectly) for Common Stock held immediately before the effective date of the registration statement for such offering or (ii) enter into any swap or other arrangement that transfers to another, in whole or in part, any of
the economic consequences of ownership of such securities, whether any such transaction described in clause (i) or (ii) above is to be settled by delivery of Common Stock or other securities, in cash, or otherwise. The foregoing provisions of
this Subsection 2.11 shall apply only to the IPO, shall not apply to the sale of any shares to an underwriter pursuant to an 

  
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underwriting agreement, and shall be applicable to the Holders only if all officers and directors are subject to the same restrictions and the Company uses commercially reasonable efforts to
obtain a similar agreement from all stockholders individually owning more than [***] of the Company’s outstanding Common Stock (after giving effect to conversion into Common Stock of all outstanding Preferred Stock). The underwriters in
connection with such registration are intended third-party beneficiaries of this Subsection 2.11 and shall have the right, power and authority to enforce the provisions hereof as though they were
a party hereto. Each Holder further agrees to execute such agreements as may be reasonably requested by the underwriters in connection with such registration that are consistent with this Subsection 2.11 or that are necessary to give further
effect thereto. Any discretionary waiver or termination of the restrictions of any or all of such agreements by the Company or the underwriters shall apply pro rata to all Company stockholders that are subject to such agreements, based on the number
of shares subject to such agreements. 
 2.12 Restrictions on Transfer. 

(a) The Preferred Stock and the Registrable Securities shall not be sold, pledged, or otherwise transferred, and the
Company shall not recognize and shall issue stop-transfer instructions to its transfer agent with respect to any such sale, pledge, or transfer, except upon the conditions specified in this Agreement, which conditions are intended to ensure
compliance with the provisions of the Securities Act. A transferring Holder will cause any proposed purchaser, pledgee, or transferee of the Preferred Stock and the Registrable Securities held by such Holder to agree to take and hold such securities
subject to the provisions and upon the conditions specified in this Agreement. 
 (b) Each certificate, instrument or book
entry representing (i) the Preferred Stock, (ii) the Registrable Securities, and (iii) any other securities issued in respect of the securities referenced in clauses (i) and (ii), upon any stock split, stock dividend,
recapitalization, merger, consolidation, or similar event, shall (unless otherwise permitted by the provisions of Section 2.12(c)) be notated with a legend substantially in the following form: 

THE SECURITIES REPRESENTED HEREBY HAVE BEEN ACQUIRED FOR INVESTMENT AND HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933. SUCH SHARES
MAY NOT BE SOLD, PLEDGED, OR TRANSFERRED IN THE ABSENCE OF SUCH REGISTRATION OR A VALID EXEMPTION FROM THE REGISTRATION AND PROSPECTUS DELIVERY REQUIREMENTS OF SAID ACT. 

THE SECURITIES REPRESENTED HEREBY MAY BE TRANSFERRED ONLY IN ACCORDANCE WITH THE TERMS OF AN AGREEMENT BETWEEN THE COMPANY AND THE STOCKHOLDER,
A COPY OF WHICH IS ON FILE WITH THE SECRETARY OF THE COMPANY. 
 The Holders consent to the Company making a notation in its records and
giving instructions to any transfer agent of the Restricted Securities in order to implement the restrictions on transfer set forth in this Section 2.12. 

  
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 (c) The holder of such Restricted Securities, by acceptance of ownership
thereof, agrees to comply in all respects with the provisions of this Section 2. Before any proposed sale, pledge, or transfer of any Restricted Securities, unless there is in effect a registration statement under the
Securities Act covering the proposed transaction, the Holder thereof shall give notice to the Company of such Holder’s intention to effect such sale, pledge, or transfer. Each such notice shall describe the manner and circumstances of the
proposed sale, pledge, or transfer in sufficient detail and, if reasonably requested by the Company, shall be accompanied at such Holder’s expense by either (i) a written opinion of legal counsel who shall, and whose legal opinion shall,
be reasonably satisfactory to the Company, addressed to the Company, to the effect that the proposed transaction may be effected without registration under the Securities Act; (ii) a “no action” letter from the SEC to the effect that
the proposed sale, pledge, or transfer of such Restricted Securities without registration will not result in a recommendation by the staff of the SEC that action be taken with respect thereto; or (iii) any other evidence reasonably satisfactory
to counsel to the Company to the effect that the proposed sale, pledge, or transfer of the Restricted Securities may be effected without registration under the Securities Act, whereupon the Holder of such Restricted Securities shall be entitled to
sell, pledge, or transfer such Restricted Securities in accordance with the terms of the notice given by the Holder to the Company. The Company will not require such a legal opinion or “no action” letter (x) in any transaction in
compliance with SEC Rule 144 or (y) in any transaction in which such Holder distributes Restricted Securities to an Affiliate of such Holder for no consideration; provided that each transferee agrees in writing to be subject to the terms of
this Section 2.12. Each certificate, instrument or book entry representing the Restricted Securities transferred as above provided shall bear, except if such transfer is made pursuant to SEC Rule 144, the appropriate
restrictive legend set forth in Section 2.12(b), except that such certificate, instrument or book entry shall not bear such restrictive legend if, in the opinion of counsel for such Holder and the Company, such legend is
not required in order to establish compliance with any provisions of the Securities Act. 
 2.13 Termination of Registration Rights.
The right of any Holder to request registration or inclusion of Registrable Securities in any registration pursuant to Section 2.1 or Section 2.2 shall terminate upon the earliest to occur of: 

[***] 
 3. Information Rights. 

3.1 Delivery of Financial Statements. The Company shall deliver to each Major Investor: 

(a) Upon its written request, within [***] after the end of each fiscal year of the Company, (i) an unaudited balance
sheet as of the end of such year, (ii) unaudited statements of income and of cash flows for such year, and a comparison between (x) the actual amounts as of and for such fiscal year and (y) the comparable amounts for the prior year
and as included in the Budget (as defined in Subsection 3.1(e)) for such year, with an explanation of any material differences between such amounts and a schedule as to the sources and applications of funds for such year, and (iii) an unaudited
statement of stockholders’ equity as of the end of such year; 

  
 - 14 - 

 (b) Upon its written request, [***] after the end of each of the first three
(3) quarters of each fiscal year of the Company, unaudited statements of income and of cash flows for such fiscal quarter, and an unaudited balance sheet and a statement of stockholders’ equity as of the end of such fiscal quarter, all
prepared in accordance with GAAP (except that such financial statements may (i) be subject to normal year-end audit adjustments and (ii) not contain all notes thereto that may be required in
accordance with GAAP); 
 (c) Upon its written request, [***] after the end of each of the first three (3) quarters of
each fiscal year of the Company, a statement showing the number of shares of each class and series of capital stock and securities convertible into or exercisable for shares of capital stock outstanding at the end of the period, the Common Stock
issuable upon conversion or exercise of any outstanding securities convertible or exercisable for Common Stock and the exchange ratio or exercise price applicable thereto, and the number of shares of issued stock options and stock options not yet
issued but reserved for issuance, if any, all in sufficient detail as to permit the Major Investors to calculate their respective percentage equity ownership in the Company, and certified by the chief financial officer or chief executive officer of
the Company as being true, complete, and correct; 
 (d) with respect to the financial statements called for in
Subsection 3.1(a) and Subsection 3.1(b), an instrument executed by the chief financial officer and chief executive officer of the Company certifying that such financial statements were prepared in
accordance with GAAP consistently applied with prior practice for earlier periods (except as otherwise set forth in Subsection 3.1(b) and fairly present the financial condition of the Company and its results of operation for the periods
specified therein; and 
 (e) such other information relating to the financial condition, business, prospects, or corporate
affairs of the Company as any Major Investor may from time to time reasonably request; provided, however, that the Company shall not be obligated under this Subsection 3.1 to provide information (i) that the Company reasonably
determines in good faith to be a trade secret or confidential information (unless covered by an enforceable confidentiality agreement, in form acceptable to the Company) or (ii) the disclosure of which would adversely affect the attorney-client
privilege between the Company and its counsel. 
 If, for any period, the Company has any subsidiary whose accounts are consolidated with those of the
Company, then in respect of such period the financial statements delivered pursuant to the foregoing sections shall be the consolidated and consolidating financial statements of the Company and all such consolidated subsidiaries. 

Notwithstanding anything else in this Subsection 3.1 to the contrary, the Company may cease providing the information set forth in this Subsection
3.1 during the period starting with the date [***] before the Company’s good-faith estimate of the date of filing of a registration statement if it reasonably concludes it must do so to comply with the SEC rules applicable to such
registration statement and related offering; provided that the Company’s covenants under this Subsection 3.1 shall be reinstated at such time as the Company is no longer actively employing its commercially reasonable efforts to cause such
registration statement to become effective. 

  
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 3.2 Inspection. The Company shall permit each Major Investor (provided that the Board
of Directors has not reasonably determined that such Major Investor is a competitor of the Company), at such Major Investor’s expense, to visit and inspect the Company’s properties; examine its books of account and records; and discuss the
Company’s affairs, finances, and accounts with its officers, during normal business hours of the Company as may be reasonably requested by the Major Investor; provided, however, that the Company shall not be obligated pursuant to this
Section 3.2 to provide access to any information that it reasonably and in good faith considers to be a trade secret or confidential information (unless covered by an enforceable confidentiality agreement, in form acceptable to the Company) or
the disclosure of which would adversely affect the attorney-client privilege between the Company and its counsel. 
 3.3 Termination of
Information Rights . The covenants set forth in Subsection 3.1 and Subsection 3.2 shall terminate and be of no further force or effect [***]. 

3.4 Confidentiality. Each Investor agrees that such Investor will keep confidential and will not disclose, divulge, or use for any
purpose (other than to monitor its investment in the Company) any confidential information obtained from the Company pursuant to the terms of this Agreement (including notice of the Company’s intention to file a registration statement), unless
such confidential information (a) is known or becomes known to the public in general (other than as a result of a breach of this Section 3.4 by such Investor), (b) is or has been independently developed or conceived by
such Investor without use of the Company’s confidential information, or (c) is or has been made known or disclosed to such Investor by a third party without a breach of any obligation of confidentiality such third party may have to the
Company; provided, however, that an Investor may disclose confidential information (i) to its attorneys, accountants, consultants, and other professionals to the extent necessary to obtain their services in connection with monitoring its
investment in the Company; (ii) to any prospective purchaser of any Registrable Securities from such Investor, if such prospective purchaser agrees to be bound by the provisions of this Subsection 3.4; (iii) to any existing or
prospective Affiliate, partner, member, stockholder, or wholly owned subsidiary of such Investor in the ordinary course of business, provided that such Investor informs such Person that such information is confidential and directs such Person
to maintain the confidentiality of such information; or (iv) as may otherwise be required by law, regulation, rule, court order or subpoena, provided that such Investor promptly notifies the Company of such disclosure and takes
reasonable steps to minimize the extent of any such required disclosure. 
 4. Rights to Future Stock Issuances. 

4.1 Right of First Offer. Subject to the terms and conditions of this Subsection 4.1 and applicable securities laws, if the
Company proposes to offer or sell any New Securities, the Company shall first offer such New Securities to each Major Investor. A Major Investor shall be entitled to apportion the right of first offer hereby granted to it among itself and its
Affiliates in such proportions as it deems appropriate. 
 (a) The Company shall give notice (the “Offer
Notice”) to each Major Investor, stating (i) its bona fide intention to offer such New Securities, (ii) the number of such New Securities to be offered, and (iii) the price and terms, if any, upon which it proposes to offer
such New Securities. 

  
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 (b) By notification to the Company within [***] after the Offer Notice is
given, each Major Investor may elect to purchase or otherwise acquire, at the price and on the terms specified in the Offer Notice, up to that portion of such New Securities which equals the proportion that the Common Stock then held by such Major
Investor (including all shares of Common Stock then issuable (directly or indirectly) upon conversion and/or exercise, as applicable, of the Preferred Stock and any other Derivative Securities then held, by such Major Investor) bears to the total
Common Stock of the Company then held by all the Major Investors (including all shares of Common Stock issuable (directly or indirectly) upon conversion and/or exercise, as applicable, of the Preferred Stock and any other
Derivative Securities then held by all the Major Investors). At the expiration of such [***] period, the Company shall promptly notify each Major Investor that elects to purchase or acquire all the shares available to it (each, a “Fully
Exercising Investor”) of any other Major Investor’s failure to do likewise. During the [***] period commencing after the Company has given such notice, each Fully Exercising Investor may, by giving notice to the Company, elect to
purchase or acquire, in addition to the number of shares specified above, up to that portion of the New Securities for which Major Investors were entitled to subscribe but that were not subscribed for by the Major Investors which is equal to the
proportion that the Common Stock issued and held, or issuable (directly or indirectly) upon conversion and/or exercise, as applicable, of Preferred Stock and any other Derivative Securities then held, by such Fully Exercising Investor bears to the
Common Stock issued and held, or issuable (directly or indirectly) upon conversion and/or exercise, as applicable, of the Preferred Stock and any other Derivative Securities then held, by all Fully Exercising Investors who wish to purchase such
unsubscribed shares. The closing of any sale pursuant to this Subsection 4.1(b) shall occur within the later of [***] of the date that the Offer Notice is given and the date of initial sale of New Securities pursuant to Subsection
4.1(c). 
 (c) If all New Securities referred to in the Offer Notice are not elected to be purchased or acquired as
provided in Subsection 4.1(b), the Company may, during the [***] period following the expiration of the periods provided in Subsection 4.1(b), offer and sell the remaining unsubscribed portion of such New Securities to any Person or
Persons at a price not less than, and upon terms no more favorable to the offeree than, those specified in the Offer Notice. If the Company does not enter into an agreement for the sale of the New Securities within such period, or if such agreement
is not consummated within [***] of the execution thereof, the right provided hereunder shall be deemed to be revived and such New Securities shall not be offered unless first reoffered to the Major Investors in accordance with this Subsection
4.1. 
 (d) The right of first offer in this Subsection 4.1 shall not be applicable to Exempted Securities (as
defined in the Restated Certificate) and (ii) shares of Common Stock issued in the IPO. 
 4.2 Termination. The covenants set
forth in Section 4.1 shall terminate and be of no further force or effect (i) immediately before the consummation of the IPO, (ii) when the Company first becomes subject to the periodic reporting requirements of
Section 12(g) or 15(d) of the Exchange Act, or (iii) upon the closing of a Deemed Liquidation Event, as such term is defined in the Restated Certificate, whichever event occurs first. 

  
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 5. Additional Covenants. 

5.1 Qualified Small Business Stock. The Company shall use commercially reasonable efforts to cause the shares of
Preferred Stock, as well as any shares into which such shares are converted, within the meaning of Section 1202(f) of the Internal Revenue Code (the “Code”), to constitute “qualified small business stock” as defined
in Section 1202(c) of the Code; provided, however, that such requirement shall not be applicable if the Board of Directors determines, in its good-faith business judgment, that such qualification is inconsistent with the best interests
of the Company. 
 5.2 Board Matters. The Company shall reimburse the nonemployee directors for all reasonable out-of-pocket travel expenses incurred (consistent with the Company’s travel policy) in connection with attending meetings of the Board of Directors and other meetings or
events attended on behalf of the Company. 
 5.3 Successor Indemnification. If the Company or any of its successors or
assignees consolidates with or merges into any other Person and is not the continuing or surviving corporation or entity of such consolidation or merger, then to the extent necessary, proper provision shall be made so that the successors and
assignees of the Company assume the obligations of the Company with respect to indemnification of members of the Board of Directors as in effect immediately before such transaction, whether such obligations are contained in the Company’s
Bylaws, its Restated Incorporation, or elsewhere, as the case may be. 
 5.4 Termination of Covenants. The covenants
set forth in this Section 5, except for Section 5.3, shall terminate and be of no further force or effect (i) immediately before the consummation of the IPO, (ii) when the Company first
becomes subject to the periodic reporting requirements of Section 12(g) or 15(d) of the Exchange Act, or (iii) upon a Deemed Liquidation Event, as such term is defined in the Restated Certificate, whichever event occurs first. 

6. Miscellaneous. 
 6.1
Successors and Assigns. The rights under this Agreement may be assigned (but only with all related obligations) by a Holder to a transferee of Registrable Securities that (i) is an Affiliate of a Holder; (ii) is a Holder’s
Immediate Family Member or trust for the benefit of an individual Holder or one or more of such Holder’s Immediate Family Members; or (iii) after such transfer, holds at least [***] shares of Registrable Securities (subject to appropriate
adjustment for stock splits, stock dividends, combinations, and other recapitalizations); provided, however, that (x) the Company is, within a reasonable time after such transfer, furnished with written notice of the name and address of
such transferee and the Registrable Securities with respect to which such rights are being transferred; and (y) such transferee agrees in a written instrument delivered to the Company to be bound by and subject to the terms and conditions of
this Agreement, including the provisions of Subsection 2.11. For the purposes of determining the number of shares of Registrable Securities held by a transferee, the holdings of a transferee (1) that is an Affiliate; (2) who is a
Holder’s Immediate Family Member; or (3) that is a trust for the benefit of an individual Holder or such Holder’s Immediate Family Member shall be aggregated together and with those of the transferring Holder. For the purposes of
determining 

  
 - 18 - 

 
the number of shares of Common Stock held by a transferee, the holdings of all transferees that are Affiliates shall be aggregated together and with those of Founder. All transferees who would
not qualify individually for assignment of rights shall have a single attorney-in-fact for the purpose of exercising any rights, receiving notices, or taking any action
under this Agreement. The terms and conditions of this Agreement inure to the benefit of and are binding upon the respective successors and permitted assignees of the parties. Nothing in this Agreement, express or implied, is intended to confer upon
any party other than the parties hereto or their respective successors and permitted assignees any rights, remedies, obligations or liabilities under or by reason of this Agreement, except as expressly provided herein. 

6.2 Governing Law. This Agreement shall be governed by the internal law of the State of Delaware, without regard to
conflict of law principles that would result in the application of any law other than the law of the State of Delaware. 

6.3 Counterparts. This Agreement may be executed in two (2) or more counterparts, each of which shall be deemed an
original, but all of which together shall constitute one and the same instrument. Counterparts may be delivered via facsimile, electronic mail (including pdf or any electronic signature complying with the U.S. federal ESIGN Act of 2000, e.g.,
www.docusign.com) or other transmission method and any counterpart so delivered shall be deemed to have been duly and validly delivered and be valid and effective for all purposes. 

6.4 Titles and Subtitles. The titles and subtitles used in this Agreement are for convenience only and are not to be
considered in construing or interpreting this Agreement. 
 6.5 Notices. 

(a) All notices and other communications given or made pursuant to this Agreement shall be in writing and shall be deemed
effectively given upon the earlier of actual receipt or: (i) personal delivery to the party to be notified; (ii) when sent, if sent by electronic mail or facsimile during the recipient’s normal business hours, and if not sent during
normal business hours, then on the recipient’s next business day; (iii) five (5) days after having been sent by registered or certified mail, return receipt requested, postage prepaid; or (iv) one (1) business day after the business
day of deposit with a nationally recognized overnight courier, freight prepaid, specifying next-day delivery, with written verification of receipt. All communications shall be sent to the respective parties at
their addresses as set forth on Schedule A hereto, or to the principal office of the Company and to the attention of the Chief Executive Officer, in the case of the Company, or to such email address, facsimile number, or address as subsequently
modified by written notice given in accordance with this Section 6.5. 
 (b) Consent to Electronic
Notice. Each Investor and Key Holder consents to the delivery of any stockholder notice pursuant to the Delaware General Corporation Law (the “DGCL”), as amended or superseded from time to time, by electronic transmission pursuant to
Section 232 of the DGCL (or any successor thereto) at the electronic mail address or the facsimile number set forth below such Investor’s or Key Holder’s name on the Schedules hereto, as updated from time to time by notice to the
Company, or as on the books of the Company. Each Investor and Key Holder agrees to promptly notify the Company of any change in such stockholder’s electronic mail address, and that failure to do so shall not affect the foregoing. 

  
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 6.6 Amendments and Waivers. Any term of this Agreement may be
amended, modified or terminated and the observance of any term of this Agreement may be waived (either generally or in a particular instance, and either retroactively or prospectively) only with the written consent of the Company and the holders of
a majority of the Registrable Securities then outstanding; provided further that any provision hereof may be waived by any waiving party on such party’s own behalf, without the consent of any other party. Notwithstanding the foregoing, this
Agreement may not be amended, modified or terminated and the observance of any term hereof may not be waived with respect to any Investor without the written consent of such Investor, unless such amendment, modification, termination, or waiver
applies to all Investors, in the same fashion (it being agreed that a waiver of the provisions of Section 4 with respect to a particular transaction shall be deemed to apply to all Investors in the same fashion if such
waiver does so by its terms, notwithstanding the fact that certain Investors may nonetheless, by agreement with the Company, purchase securities in such transaction). The Company shall give prompt notice of any amendment or termination hereof or
waiver hereunder to any party hereto that did not consent in writing to such amendment, modification, termination, or waiver. Any amendment, modification, termination, or waiver effected in accordance with this Subsection 6.6 shall be binding
on all parties hereto, regardless of whether any such party has consented thereto. No waivers of or exceptions to any term, condition, or provision of this Agreement, in any one or more instances, shall be deemed to be or construed as a further or
continuing waiver of any such term, condition, or provision. 
 6.7 Severability. In case any one or more of the
provisions contained in this Agreement is for any reason held to be invalid, illegal or unenforceable in any respect, such invalidity, illegality, or unenforceability shall not affect any other provision of this Agreement, and such invalid, illegal,
or unenforceable provision shall be reformed and construed so that it will be valid, legal, and enforceable to the maximum extent permitted by law. 

6.8 Aggregation of Stock. All shares of Registrable Securities held or acquired by Affiliates shall be aggregated
together for the purpose of determining the availability of any rights under this Agreement and such Affiliated persons may apportion such rights as among themselves in any manner they deem appropriate. 

6.9 Entire Agreement. This Agreement (including any Schedules and Exhibits hereto) constitutes the full and entire
understanding and agreement among the parties with respect to the subject matter hereof, and any other written or oral agreement relating to the subject matter hereof existing between the parties is expressly canceled. Upon the effectiveness of this
Agreement, the Prior Agreement shall be deemed amended and restated and superseded and replaced in its entirety by this Agreement, and shall be of no further force or effect. 

6.10 Dispute Resolution. Any unresolved controversy or claim arising out of or relating to this Agreement, except as (i)
otherwise provided in this Agreement, or (ii) any such controversies or claims arising out of either party’s intellectual property rights for which a provisional remedy or equitable relief is sought, shall be submitted to arbitration by one
arbitrator mutually agreed upon by the parties, and if no agreement can be reached 

  
 - 20 - 

 
within thirty (30) days after names of potential arbitrators have been proposed by the American Arbitration Association (the “AAA”), then by one arbitrator having reasonable
experience in corporate finance transactions of the type provided for in this Agreement and who is chosen by the AAA. The arbitration shall take place in Boston, Massachusetts, in accordance with the AAA rules then in effect, and judgment upon any
award rendered in such arbitration will be binding and may be entered in any court having jurisdiction thereof. There shall be limited discovery prior to the arbitration hearing as follows: (a) exchange of witness lists and copies of
documentary evidence and documents relating to or arising out of the issues to be arbitrated, (b) depositions of all party witnesses and (c) such other depositions as may be allowed by the arbitrators upon a showing of good cause.
Depositions shall be conducted in accordance with the Delaware Code of Civil Procedure, the arbitrator shall be required to provide in writing to the parties the basis for the award or order of such arbitrator, and a court reporter shall record all
hearings, with such record constituting the official transcript of such proceedings. The prevailing party shall be entitled to reasonable attorney’s fees, costs, and necessary disbursements in addition to any other relief to which such party
may be entitled. 
 WAIVER OF JURY TRIAL: EACH PARTY HEREBY WAIVES ITS RIGHTS TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION BASED
UPON OR ARISING OUT OF THIS AGREEMENT, THE OTHER TRANSACTION DOCUMENTS, THE SECURITIES OR THE SUBJECT MATTER HEREOF OR THEREOF. THE SCOPE OF THIS WAIVER IS INTENDED TO BE ALL-ENCOMPASSING OF ANY AND ALL
DISPUTES THAT MAY BE FILED IN ANY COURT AND THAT RELATE TO THE SUBJECT MATTER OF THIS TRANSACTION, INCLUDING, WITHOUT LIMITATION, CONTRACT CLAIMS, TORT CLAIMS (INCLUDING NEGLIGENCE), BREACH OF DUTY CLAIMS, AND ALL OTHER COMMON LAW AND STATUTORY
CLAIMS. THIS SECTION HAS BEEN FULLY DISCUSSED BY EACH OF THE PARTIES HERETO AND THESE PROVISIONS WILL NOT BE SUBJECT TO ANY EXCEPTIONS. EACH PARTY HERETO HEREBY FURTHER WARRANTS AND REPRESENTS THAT SUCH PARTY HAS REVIEWED THIS WAIVER WITH ITS LEGAL
COUNSEL, AND THAT SUCH PARTY KNOWINGLY AND VOLUNTARILY WAIVES ITS JURY TRIAL RIGHTS FOLLOWING CONSULTATION WITH LEGAL COUNSEL. 

6.11 Delays or Omissions. No delay or omission to exercise any right, power, or remedy accruing to any party
under this Agreement, upon any breach or default of any other party under this Agreement, shall impair any such right, power, or remedy of such nonbreaching or nondefaulting party, nor shall it be construed to be a waiver of or acquiescence to any
such breach or default, or to any similar breach or default thereafter occurring, nor shall any waiver of any single breach or default be deemed a waiver of any other breach or default theretofore or thereafter occurring. All remedies, whether under
this Agreement or by law or otherwise afforded to any party, shall be cumulative and not alternative. 
 6.12
Acknowledgment. The Company acknowledges that certain of the Investors are in the business of venture capital investing and therefore review the business plans and related proprietary information of many enterprises, including enterprises
which may have products or services which compete directly or indirectly with those of the Company. Nothing in this Agreement shall preclude or in any way restrict the Investors from investing or participating in any particular enterprise whether or
not such enterprise has products or services which compete with those of the Company. 
 [Remainder of Page Intentionally Left Blank] 

  
 - 21 - 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first written
above. 
  

			
	COMPANY:
	
	FOLLICA, INCORPORATED
		
	By:	 	/s/ Jason Bhardwaj
	Name:	 	Jason Bhardwaj
	Title:	 	President and Chief Executive Officer
		
		 	Address:
		 	501 Boylston Street, Suite 6102
		 	Boston, Massachusetts 02116

 SIGNATURE PAGE TO 

FIFTH AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first written
above. 
  

	
	INVESTORS:
	
	[***]

 SIGNATURE PAGE TO 

FIFTH AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT 

 SCHEDULE A 

INVESTORS: 
 [***]EX-10.18

 Exhibit 10.18 

CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED (INDICATED BY: [***]) FROM THE EXHIBIT BECAUSE IT IS BOTH (I) NOT MATERIAL AND (II) WOULD LIKELY
CAUSE COMPETITIVE HARM IF PUBLICLY DISCLOSED. 
 FOLLICA, INCORPORATED 

FIFTH AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE AGREEMENT 

Dated as of July 19, 2019 

 FIFTH AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND
CO-SALE AGREEMENT 
 TABLE OF CONTENTS 

 

									
	 	  	 	  	 	  	Page	 
			
	1.	  	Definitions	  	 	1	 
			
	2.	  	Agreement Between the Company and the Key Holders	  	 	3	 
		  	2.1	  	Right of First Refusal	  	 	3	 
		  	2.2	  	Right of Co-Sale	  	 	5	 
		  	2.3	  	Effect of Failure to Comply	  	 	7	 
			
	3.	  	Exempt Transfers	  	 	8	 
		  	3.1	  	Exempted Transfers 	  	 	8	 
		  	3.2	  	Exempted Offerings	  	 	8	 
			
	4.	  	 Legend   
	  	 	9	 
			
	5.	  	Lock-Up	  	 	9	 
		  	5.1	  	Agreement to Lock-Up	  	 	9	 
		  	5.2	  	Stop Transfer Instructions	  	 	10	 
			
	6.	  	 Miscellaneous
	  	 	10	 
		  	6.1	  	Term	  	 	10	 
		  	6.2	  	Stock Split	  	 	10	 
		  	6.3	  	Ownership	  	 	10	 
		  	6.4	  	Dispute Resolution	  	 	10	 
		  	6.5	  	Notices	  	 	11	 
		  	6.6	  	Entire Agreement	  	 	11	 
		  	6.7	  	Delays or Omissions	  	 	11	 
		  	6.8	  	Amendment; Waiver and Termination	  	 	12	 
		  	6.9	  	Assignment of Rights	  	 	12	 
		  	6.10	  	Severability	  	 	13	 
		  	6.11	  	Governing Law	  	 	13	 
		  	6.12	  	Titles and Subtitles	  	 	13	 
		  	6.13	  	Counterparts	  	 	13	 
		  	6.14	  	Aggregation of Stock	  	 	13	 
		  	6.15	  	Specific Performance	  	 	13	 
		  	6.16	  	Additional Key Holders	  	 	14	 
		  	6.17	  	Effect on Prior Agreement	  	 	14	 

  

					
	Schedule A	  	-	  	Investors
	Schedule B	  	-	  	Key Holders

  
 i 

 FIFTH AMENDED AND RESTATED 

RIGHT OF FIRST REFUSAL 

AND CO-SALE AGREEMENT 

This FIFTH AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE AGREEMENT (the
“Agreement”) is made as of the 19th day of July, 2019 by and among Follica, Incorporated, a Delaware corporation (the “Company”), the Investors listed on
Schedule A and the Key Holders listed on Schedule B. All capitalized terms used but not defined herein shall have the meanings set forth in the Note Conversion Agreement (as defined below). 

WHEREAS, each Key Holder is the beneficial owner of the number of shares of Capital Stock, or of options to purchase Common Stock, set
forth opposite the name of such Key Holder on Schedule B; 
 WHEREAS, the Company and certain of the
Investors (the “Participating Investors”) are parties to that certain Series A-3 Note Conversion Agreement of even date herewith (the “Note Conversion Agreement”),
pursuant to which the Investors will be issued shares of the Series A-3 Preferred Stock of the Company, par value $0.0001 per share
(“Series A-3 Preferred Stock”); 
 WHEREAS, the Company,
the Key Holders and certain Investors (“Existing Investors”) are parties to that certain Fourth Amended and Restated Right of First Refusal and Co-Sale Agreement dated [***] (the
“Prior Agreement”); and 
 WHEREAS, the Company, the Key Holders holding at least [***] of the shares of Transfer
Stock (as defined herein) held by all of the Key Holders and the holders of [***] of the shares of Common Stock issued or issuable upon conversion of the then outstanding shares of Preferred Stock held by the Existing Investors (voting together
as a single class and on an as-converted basis) wish to provide further inducement to the parties to enter into the Note Conversion Agreement by amending and restating the Prior Agreement as set forth herein;

 NOW, THEREFORE, in consideration of the foregoing premises and certain other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties agree as follows: 
 1. Definitions. 

“Affiliate” means, with respect to any specified Investor, any other Investor who directly or indirectly, controls, is
controlled by or is under common control with such Investor, including, without limitation, any general partner, managing member, officer, director or trustee of such Investor, or any venture capital fund or registered investment company now or
hereafter existing which is controlled by one or more general partners, managing members or investment advisers of, or shares the same management company or investment adviser with, such Investor. 

“Board of Directors” means the board of directors of the Company. 

 “Capital Stock” means (a) shares of Common Stock and Preferred Stock
(whether now outstanding or hereafter issued in any context), (b) shares of Common Stock issued or issuable upon conversion of Preferred Stock and (c) shares of Common Stock issued or issuable upon exercise or conversion, as applicable, of
stock options, warrants or other convertible securities of the Company, in each case now owned or subsequently acquired by any Key Holder, any Investor, or their respective successors or permitted transferees or assigns. For purposes of the number
of shares of Capital Stock held by an Investor or Key Holder (or any other calculation based thereon), all shares of Preferred Stock shall be deemed to have been converted into Common Stock at the
then-applicable conversion ratio. 
 “Change of Control” means a transaction or
series of related transactions in which a person, or a group of related persons, acquires from stockholders of the Company shares representing more than fifty percent (50%) of the outstanding voting power of the Company. 

“Common Stock” means shares of Common Stock of the Company, $0.0001 par value per share. 

“Company Notice” means written notice from the Company notifying the selling Key Holders that the Company intends to exercise
its Right of First Refusal as to some or all of the Transfer Stock with respect to any Proposed Key Holder Transfer. 
 “Investor
Notice” means written notice from an Investor notifying the Company and the selling Key Holder that such Investor intends to exercise its Secondary Refusal Right as to a portion of the Transfer Stock with respect to any Proposed Key Holder
Transfer. 
 “Investors” means the persons named on Schedule A hereto, each person to whom the
rights of an Investor are assigned pursuant to Section 6.9, each person who hereafter becomes a signatory to this Agreement pursuant to Section 6.11 and any one of them, as the context may require.

 “Key Holders” means the persons identified as such on Schedule B hereto, each person to whom
the rights of a Key Holder are assigned pursuant to Section 3.1, each person who hereafter becomes a signatory to this Agreement pursuant to Section 6.9 and any one of them, as the context may
require. 
 “Mezzanine Preferred Stock” means the Mezzanine Preferred Stock of the Company, par value $0.0001 per share.

 “Preferred Stock” means collectively, all shares of Series A-1 Preferred
Stock, Series A-2 Preferred Stock, Mezzanine Preferred Stock and Series A-3 Preferred Stock. 

“Proposed Key Holder Transfer” means any assignment, sale, offer to sell, pledge, mortgage, hypothecation, encumbrance,
disposition of or any other like transfer or encumbering of any Transfer Stock (or any interest therein) proposed by any of the Key Holders. 

“Proposed Transfer Notice” means written notice from a Key Holder setting forth the terms and conditions of a Proposed Key
Holder Transfer. 

  
 2 

 “Prospective Transferee” means any person to whom a Key Holder proposes to
make a Proposed Key Holder Transfer. 
 “Restated Certificate” means the Fifth Amended and Restated Certificate of
Incorporation of the Company as amended and/or restated from time to time. 
 “Right of
Co-Sale” means the right, but not an obligation, of an Investor to participate in a Proposed Key Holder Transfer on the terms and conditions specified in the Proposed Transfer Notice. 

“Right of First Refusal” means the right, but not an obligation, of the Company, or its permitted transferees or assigns, to
purchase some or all of the Transfer Stock with respect to a Proposed Key Holder Transfer, on the terms and conditions specified in the Proposed Transfer Notice. 

“Secondary Notice” means written notice from the Company notifying the Investors and the selling Key Holder that the Company
does not intend to exercise its Right of First Refusal as to all shares of any Transfer Stock with respect to a Proposed Key Holder Transfer on the same terms and conditions specified in the Proposed Transfer Notice. 

“Secondary Refusal Right” means the right, but not an obligation, of each Investor to purchase up to its pro rata portion
(based upon the total number of shares of Capital Stock then held by all Investors) of any Transfer Stock not purchased pursuant to the Right of First Refusal, on the terms and conditions specified in the Proposed Transfer Notice. 

“Series A-1 Preferred Stock” means the
Series A-1 Preferred Stock of the Company, par value $0.0001 per share. 
 “Series A-2 Preferred Stock” means the Series A-2 Preferred Stock of the Company, par value $0.0001 per share. 

“Transfer Stock” means shares of Capital Stock owned by a Key Holder, or issued to a Key Holder after the date hereof
(including, without limitation, in connection with any stock split, stock dividend, recapitalization, reorganization, or the like), but does not include any shares of Preferred Stock or Common Stock that are issued or issuable upon conversion of
Preferred Stock. 
 “Undersubscription Notice” means written notice from an Investor notifying the Company and the selling
Key Holder that such Investor intends to exercise its option to purchase all or any portion of the Transfer Stock not purchased pursuant to the Right of First Refusal or the Secondary Refusal Right. 

2. Agreement Between the Company and the Key Holders. 

2.1 Right of First Refusal. 

(a) Grant. Subject to the terms of Section 3 below, each Key Holder hereby unconditionally and irrevocably
grants to the Company a Right of First Refusal to purchase all or any portion of Transfer Stock that such Key Holder may propose to transfer in a Proposed Key Holder Transfer, at the same price and on the same terms and conditions as those offered
to the Prospective Transferee. 

  
 3 

 (b) Notice. Each Key Holder proposing to make a Proposed Key Holder Transfer must
deliver a Proposed Transfer Notice to the Company and each Investor not later than [***] prior to the consummation of such Proposed Key Holder Transfer. Such Proposed Transfer Notice shall contain the material terms and conditions (including price
and form of consideration) of the Proposed Key Holder Transfer, the identity of the Prospective Transferee and the intended date of the Proposed Key Holder Transfer. To exercise its Right of First Refusal under this
Section 2, the Company must deliver a Company Notice to the selling Key Holder within [***] after delivery of the Proposed Transfer Notice specifying the number of shares of Transfer Stock to be purchased by the Company. In
the event of a conflict between this Agreement and any other agreement that may have been entered into by a Key Holder with the Company that contains a preexisting right of first refusal, the Company and the Key Holder acknowledge and agree that the
terms of this Agreement shall control and the preexisting Right of First Refusal shall be deemed satisfied by compliance with Section 2.1(a) and this Section 2.1 (b).  

(c) Grant of Secondary Refusal Right to Investors. Subject to the terms of Section 3 below, each Key Holder
hereby unconditionally and irrevocably grants to the Investors a Secondary Refusal Right to purchase all or any portion of the Transfer Stock not purchased by the Company pursuant to the Right of First Refusal, as provided in this
Section 2.1(c). If the Company does not provide the Company Notice exercising its Right of First Refusal with respect to all Transfer Stock subject to a Proposed Key Holder Transfer, the Company must deliver a Secondary
Notice to the selling Key Holder and to each Investor to that effect no later than [***] after the selling Key Holder delivers the Proposed Transfer Notice to the Company. To exercise its Secondary Refusal Right, an Investor must deliver an Investor
Notice to the selling Key Holder and the Company within [***] after the Company’s deadline for its delivery of the Secondary Notice as provided in the preceding sentence. 

(d) Undersubscription of Transfer Stock. If options to purchase have been exercised by the Company and the Investors with respect to
some but not all of the Transfer Stock by the end of the [***] specified in the last sentence of Section 2.1(c)) (the “Investor Notice Period”), then the Company shall, within [***] after the expiration of
the Investor Notice Period, send written notice (the “Company Undersubscription Notice”) to those Investors who fully exercised their Secondary Refusal Right within the Investor Notice Period (the “Exercising
Investors”). Each Exercising Investor shall, subject to the provisions of this Section 2.1(d), have an additional option to purchase all or any part of the balance of any such remaining unsubscribed shares of
Transfer Stock on the terms and conditions set forth in the Proposed Transfer Notice. To exercise such option, an Exercising Investor must deliver an Undersubscription Notice to the selling Key Holder and the Company within [***] after the
expiration of the Investor Notice Period. In the event there are [***] or more such Exercising Investors that choose to exercise the last-mentioned option for a total number of remaining shares in excess of the number available, the remaining shares
available for purchase under this Section 2.1(d) shall be allocated to such Exercising Investors pro rata based on the number of shares of Transfer Stock such Exercising Investors have elected to purchase pursuant to the

  
 4 

 
Secondary Refusal Right (without giving effect to any shares of Transfer Stock that any such Exercising Investor has elected to purchase pursuant to the Company Undersubscription Notice). If the
options to purchase the remaining shares are exercised in full by the Exercising Investors, the Company shall immediately notify all of the Exercising Investors and the selling Key Holder of that fact. 

(e) Consideration; Closing. If the consideration proposed to be paid for the Transfer Stock is in property, services or other non-cash consideration, the fair market value of the consideration shall be as determined in good faith by the Board of Directors and as set forth in the Company Notice. If the Company or any Investor cannot for any
reason pay for the Transfer Stock in the same form of non-cash consideration, the Company or such Investor may pay the cash value equivalent thereof, as determined in good faith by the Board of Directors and
as set forth in the Company Notice. The closing of the purchase of Transfer Stock by the Company and the Investors shall take place, and all payments from the Company and the Investors shall have been delivered to the selling Key Holder, by the
later of (i) the date specified in the Proposed Transfer Notice as the intended date of the Proposed Key Holder Transfer and (ii) [***] after delivery of the Proposed Transfer Notice. 

2.2 Right of Co-Sale. 

(a) Exercise of Right. If any Transfer Stock subject to a Proposed Key Holder Transfer is not purchased pursuant to
Section 2.1 above and thereafter is to be sold to a Prospective Transferee, each respective Investor may elect to exercise its Right of Co-Sale and participate on a pro rata basis in
the Proposed Key Holder Transfer as set forth in Section 2.2(b) below and otherwise on the same terms and conditions specified in the Proposed Transfer Notice (provided that if an Investor wishes to sell Preferred Stock,
the price set forth in the Proposed Transfer Notice shall be appropriately adjusted based on the conversion ratio of the Preferred Stock into Common Stock). Each Investor who desires to exercise its Right of
Co-Sale must give the selling Key Holder written notice to that effect within [***] after the deadline for delivery of the Secondary Notice described above, and upon giving such notice such Investor shall be
deemed to have effectively exercised the Right of Co-Sale. 
 (b) Shares Includable. Each
Participating Investor may include in the Proposed Key Holder Transfer all or any part of such Participating Investor’s Capital Stock equal to the product obtained by multiplying (i) the aggregate number of shares of Transfer Stock subject
to the Proposed Key Holder Transfer (excluding shares purchased by the Company or the Participating Investors pursuant to the Right of First Refusal or the Secondary Refusal Right) by (ii) a fraction, the numerator of which is the number of
shares of Capital Stock owned by such Participating Investor immediately before consummation of the Proposed Key Holder Transfer (including any shares that such Participating Investor has agreed to purchase pursuant to the Secondary Refusal Right)
and the denominator of which is the total number of shares of Capital Stock owned, in the aggregate, by all Participating Investors immediately prior to the consummation of the Proposed Key Holder Transfer (including any shares that all
Participating Investors have collectively agreed to purchase pursuant to the Secondary Refusal Right), plus the number of shares of Transfer Stock held by the selling Key Holder. To the extent one (1) or more of the Participating Investors
exercise such right of participation in accordance with the terms and conditions set forth herein, the number of shares of Transfer Stock that the selling Key Holder may sell in the Proposed Key Holder Transfer shall be correspondingly reduced. 

  
 5 

 (c) Purchase and Sale Agreement. The Participating Investors and the selling Key
Holder agree that the terms and conditions of any Proposed Key Holder Transfer in accordance with this Subsection 2.2(c) will be memorialized in, and governed by, a written purchase and sale agreement with the Prospective Transferee (the
“Purchase and Sale Agreement”) with customary terms and provisions for such a transaction, and the Participating Investors and the selling Key Holder further covenant and agree to enter into such Purchase and Sale Agreement as a
condition precedent to any sale or other transfer in accordance with this Subsection 2.2. 
 (d) Allocation of Consideration.

 (i) Subject to Subsection 2.2(d)(ii), the aggregate consideration payable to the Participating Investors and the selling Key
Holder shall be allocated based on the number of shares of Capital Stock sold to the Prospective Transferee by each Participating Investor and the selling Key Holder as provided in Subsection 2.2(a), provided that if a Participating
Investor wishes to sell Preferred Stock, the price set forth in the Proposed Transfer Notice shall be appropriately adjusted based on the conversion ratio of the Preferred Stock into Common Stock. 

(ii) In the event that the Proposed Key Holder Transfer constitutes a Change of Control, the terms of the Purchase and Sale Agreement shall
provide that the aggregate consideration from such transfer shall be allocated to the Participating Investors and the selling Key Holder in accordance with Sections 2.1 and 2.2 of Article IV(B) of the Restated Certificate and, if applicable, the
next sentence as if (A) such transfer were a Deemed Liquidation Event (as defined in the Restated Certificate), and (B) the Capital Stock sold in accordance with the Purchase and Sale Agreement were the only Capital Stock outstanding. In
the event that a portion of the aggregate consideration payable to the Participating Investor(s) and selling Key Holder is placed into escrow and/or is payable only upon satisfaction of contingencies, the Purchase and Sale Agreement shall provide
that (x) the portion of such consideration that is not placed in escrow and is not subject to contingencies (the “Initial Consideration”) shall be allocated in accordance with Sections 2.1 and 2.2 of Article IV(B) of the
Restated Certificate as if the Initial Consideration were the only consideration payable in connection with such transfer, and (y) any additional consideration which becomes payable to the Participating Investor(s) and selling Key Holder upon
release from escrow or satisfaction of such contingencies shall be allocated in accordance with Sections 2.1 and 2.2 of Article IV(B) of the Restated Certificate after taking into account the previous payment of the Initial Consideration as part of
the same transfer. 
 (e) Purchase by Selling Key Holder; Deliveries. Notwithstanding Subsection 2.2(c) above, if any
Prospective Transferee or Transferees refuse(s) to purchase securities subject to the Right of Co-Sale from any Participating Investor or Investors or upon the failure to negotiate in good faith a Purchase and
Sale Agreement reasonably satisfactory to the Participating Investors, no Key Holder may sell any Transfer Stock to such Prospective Transferee or Transferees unless and until, simultaneously with such sale, such Key Holder

  
 6 

 
purchases all securities subject to the Right of Co-Sale from such Participating Investor or Investors on the same terms and conditions (including the
proposed purchase price) as set forth in the Proposed Transfer Notice and as provided in Subsection 2.2(d)(i); provided, however, if such sale constitutes a Change of Control, the portion of the aggregate consideration
paid by the selling Key Holder to such Participating Investor or Investors shall be made in accordance with the first sentence of Subsection 2.2(d)(ii). In connection with such purchase by the selling Key Holder, such Participating Investor
or Investors shall deliver to the selling Key Holder any stock certificate or certificates, properly endorsed for transfer, representing the Capital Stock being purchased by the selling Key Holder (or request that the Company effect such transfer in
the name of the selling Key Holder). Any such shares transferred to the selling Key Holder will be transferred to the Prospective Transferee against payment therefor in consummation of the sale of the Transfer Stock pursuant to the terms and
conditions specified in the Proposed Transfer Notice, and the selling Key Holder shall concurrently therewith remit or direct payment to each such Participating Investor the portion of the aggregate consideration to which each such Participating
Investor is entitled by reason of its participation in such sale as provided in this Subsection 2.2(e). 
 (f) Additional
Compliance. If any Proposed Key Holder Transfer is not consummated within [***] after receipt of the Proposed Transfer Notice by the Company, the Key Holders proposing the Proposed Key Holder Transfer may not sell any Transfer Stock unless they
first comply in full with each provision of this Section 2. The exercise or election not to exercise any right by any Investor hereunder shall not adversely affect its right to participate in any other sales of Transfer
Stock subject to this Section 2.2. 
 2.3 Effect of Failure to Comply. 

(a) Transfer Void; Equitable Relief. Any Proposed Key Holder Transfer not made in compliance with the requirements of this Agreement
shall be null and void ab initio, shall not be recorded on the books of the Company or its transfer agent and shall not be recognized by the Company. Each party hereto acknowledges and agrees that any breach of this Agreement would result in
substantial harm to the other parties hereto for which monetary damages alone could not adequately compensate. Therefore, the parties hereto unconditionally and irrevocably agree that any non-breaching party
hereto shall be entitled to seek protective orders, injunctive relief and other remedies available at law or in equity (including, without limitation, seeking specific performance or the rescission of purchases, sales and other transfers of Transfer
Stock not made in strict compliance with this Agreement). 
 (b) Violation of First Refusal Right. If any Key Holder becomes
obligated to sell any Transfer Stock to the Company or any Investor under this Agreement and fails to deliver such Transfer Stock in accordance with the terms of this Agreement, the Company and/or such Investor may, at its option, in addition to all
other remedies it may have, send to such Key Holder the purchase price for such Transfer Stock as is herein specified and transfer to the name of the Company or such Investor (or request that the Company effect such transfer in the name of an
Investor) on the Company’s books any certificates, instruments, or book entry representing the Transfer Stock to be sold. 

  
 7 

 (c) Violation of Co-Sale Right. If any Key
Holder purports to sell any Transfer Stock in contravention of the Right of Co-Sale (a “Prohibited Transfer”), each Investor who desires to exercise its Right of
Co-Sale under Section 2.2 may, in addition to such remedies as may be available by law, in equity or hereunder, require such Key Holder to purchase from such Investor the type and
number of shares of Capital Stock that such Investor would have been entitled to sell to the Prospective Transferee under Section 2.2 had the Prohibited Transfer been effected pursuant to and in compliance with the terms of
Section 2.2. The sale will be made on the same terms and subject to the same conditions as would have applied had the Key Holder not made the Prohibited Transfer, except that the sale (including, without limitation, the
delivery of the purchase price) must be made within [***] after the Investor learns of the Prohibited Transfer, as opposed to the timeframe proscribed in Section 2.2. Such Key Holder shall also reimburse each Investor for
any and all reasonable and documented out-of-pocket fees and expenses, including reasonable legal fees and expenses, incurred pursuant to the exercise or the attempted
exercise of the Investor’s rights under Section 2.2. 
 3. Exempt Transfers. 

3.1 Exempted Transfers. Notwithstanding the foregoing or anything to the contrary herein, the provisions of Sections 2.1 and
2.2 shall not apply: (a) in the case of a Key Holder that is an entity, upon a transfer by such Key Holder to its stockholders, members, partners or other equity holders, (b) to a repurchase of Transfer Stock from a Key Holder by
the Company at a price no greater than that originally paid by such Key Holder for such Transfer Stock and pursuant to an agreement containing vesting and/or repurchase provisions approved by a majority of the Board of Directors or any duly formed
compensation committee thereof, or (c) in the case of a Key Holder that is a natural person, upon a transfer of Transfer Stock by such Key Holder made for bona fide estate planning purposes, either during his or her lifetime or on death by will
or intestacy to his or her spouse, child (natural or adopted), or any other direct lineal descendant of such Key Holder (or his or her spouse) (all of the foregoing collectively referred to as “family members”), or any other person
approved by the Board of Directors, or any custodian or trustee of any trust, partnership or limited liability company for the benefit of, or the ownership interests of which are owned wholly by, such Key Holder or any such family members,
provided that in the case of clauses(s) (a) or (c), the Key Holder shall deliver prior written notice to the Investors of such gift or transfer and such shares of Transfer Stock shall at all times remain subject to the terms and
restrictions set forth in this Agreement and such transferee shall, as a condition to such issuance, deliver a counterpart signature page to this Agreement as confirmation that such transferee shall be bound by all the terms and conditions of this
Agreement as a Key Holder (but only with respect to the securities so transferred to the transferee), including the obligations of a Key Holder with respect to Proposed Key Holder Transfers of such Transfer Stock pursuant to
Section 2. 
 3.2 Exempted Offerings. Notwithstanding the foregoing or anything to the contrary herein, the
provisions of Section 2 shall not apply to the sale of any Transfer Stock (a) to the public in an offering pursuant to an effective registration statement under the Securities Act of 1933, as amended (a “Public
Offering”) or (b) pursuant to a Deemed Liquidation Event (as defined in the Restated Certificate). 

  
 8 

 4. Legend. Each certificate, instrument or book entry representing shares of Transfer Stock held by
the Key Holders or issued to any permitted transferee in connection with a transfer permitted by Section 3(a) hereof shall be endorsed with the following legend: 

THE SALE, PLEDGE, HYPOTHECATION OR TRANSFER OF THE SECURITIES REPRESENTED HEREBY IS SUBJECT TO, AND IN CERTAIN CASES PROHIBITED BY, THE TERMS
AND CONDITIONS OF A CERTAIN AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE AGREEMENT BY AND AMONG THE STOCKHOLDER, THE CORPORATION AND CERTAIN OTHER HOLDERS OF STOCK OF THE CORPORATION. COPIES OF SUCH
AGREEMENT MAY BE OBTAINED UPON WRITTEN REQUEST TO THE SECRETARY OF THE CORPORATION. 
 Each Key Holder agrees that the Company may instruct its transfer
agent to impose transfer restrictions on the shares represented by certificates bearing the legend referred to in this Section 4 above to enforce the provisions of this Agreement, and the Company agrees to promptly do so.
The legend shall be removed upon termination of this Agreement at the request of the holder. 
 5. Lock-Up.

 5.1 Agreement to Lock-Up. Each Key Holder hereby agrees that it will not, without the
prior written consent of the managing underwriter, during the period commencing on the date of the final prospectus relating to the Company’s initial public offering (the “IPO”) and ending on the date specified by the Company
and the managing underwriter (such period not to exceed [***]), or such other period as may be requested by the Company or an underwriter to accommodate regulatory restrictions on (1) the publication or other distribution of research reports;
and (2) analyst recommendations and opinions, including, but not limited to, the restrictions contained in FINRA Rule 2711(f)(4) or NYSE Rule 472(f)(4), or any successor provisions or amendments thereto), (a) lend, offer, pledge,
sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, or otherwise transfer or dispose of, directly or indirectly, any shares of Capital Stock held
immediately prior to the effectiveness of the registration statement for the IPO or (b) enter into any swap or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of the Capital
Stock, whether any such transaction described in clause (a) or (b) above is to be settled by delivery of Capital Stock or other securities, in cash or otherwise (the “Lock-Up”).
[***] The underwriters in connection with the IPO are intended third-party beneficiaries of this Section 5 and shall have the right, power and authority to enforce the provisions
hereof as though they were a party hereto. Each Key Holder further agrees to execute such agreements as may be reasonably requested by the underwriters in the IPO that are consistent with this Section 5 or that are
necessary to give further effect thereto. 
 5.2 Stop Transfer Instructions. In order to enforce the foregoing covenant, the Company
may impose stop-transfer instructions with respect to the shares of Capital Stock of each Key Holder (and transferees and assignees thereof) until the end of such restricted period. 

  
 9 

 6. Miscellaneous. 

6.1 Term. This Agreement shall automatically terminate upon the earlier of [***]. 

6.2 Stock Split. All references to numbers of shares in this Agreement shall be appropriately adjusted to reflect any stock dividend,
split, combination or other recapitalization affecting the Capital Stock occurring after the date of this Agreement. 
 6.3
Ownership. Each Key Holder represents and warrants that such Key Holder is the sole legal and beneficial owner of the shares of Transfer Stock subject to this Agreement and that no other person or entity has any interest in such shares (other
than a community property interest as to which the holder thereof has acknowledged and agreed in writing to the restrictions and obligations hereunder). 

6.4 Dispute Resolution. Any unresolved controversy or claim arising out of or relating to this Agreement, except as (i) otherwise
provided in this Agreement, or (ii) any such controversies or claims arising out of either party’s intellectual property rights for which a provisional remedy or equitable relief is sought, shall be submitted to arbitration by one
arbitrator mutually agreed upon by the parties, and if no agreement can be reached within [***] after names of potential arbitrators have been proposed by the American Arbitration Association (the “AAA”), then by one arbitrator
having reasonable experience in corporate finance transactions of the type provided for in this Agreement and who is chosen by the AAA. The arbitration shall take place in Boston, Massachusetts, in accordance with the AAA rules then in effect, and
judgment upon any award rendered in such arbitration will be binding and may be entered in any court having jurisdiction thereof. There shall be limited discovery prior to the arbitration hearing as follows: (a) exchange of witness lists and
copies of documentary evidence and documents relating to or arising out of the issues to be arbitrated, (b) depositions of all party witnesses and (c) such other depositions as may be allowed by the arbitrators upon a showing of good
cause. Depositions shall be conducted in accordance with the Delaware Code of Civil Procedure, the arbitrator shall be required to provide in writing to the parties the basis for the award or order of such arbitrator, and a court reporter shall
record all hearings, with such record constituting the official transcript of such proceedings. The prevailing party shall be entitled to reasonable attorney’s fees, costs, and necessary disbursements in addition to any other relief to which
such party may be entitled. 
 WAIVER OF JURY TRIAL: EACH PARTY HEREBY WAIVES ITS RIGHTS TO A JURY TRIAL OF ANY CLAIM OR CAUSE OF ACTION BASED UPON OR
ARISING OUT OF THIS AGREEMENT, THE OTHER TRANSACTION DOCUMENTS, THE SECURITIES OR THE SUBJECT MATTER HEREOF OR THEREOF. THE SCOPE OF THIS WAIVER IS INTENDED TO BE ALL-ENCOMPASSING OF ANY AND ALL DISPUTES THAT
MAY BE FILED IN ANY COURT AND THAT RELATE TO THE SUBJECT MATTER OF THIS TRANSACTION, INCLUDING, WITHOUT LIMITATION, CONTRACT CLAIMS, TORT CLAIMS (INCLUDING NEGLIGENCE), BREACH OF DUTY CLAIMS, AND ALL OTHER COMMON LAW AND STATUTORY CLAIMS. THIS
SECTION HAS BEEN FULLY DISCUSSED BY EACH OF THE PARTIES HERETO AND THESE PROVISIONS WILL NOT BE SUBJECT TO ANY EXCEPTIONS. EACH PARTY HERETO HEREBY FURTHER WARRANTS AND REPRESENTS THAT SUCH PARTY HAS REVIEWED THIS WAIVER WITH ITS LEGAL COUNSEL, AND
THAT SUCH PARTY KNOWINGLY AND VOLUNTARILY WAIVES ITS JURY TRIAL RIGHTS FOLLOWING CONSULTATION WITH LEGAL COUNSEL. 

  
 10 

 6.5 Notices. 

(a) All notices and other communications given or made pursuant to this Agreement shall be in writing and shall be deemed effectively given
upon the earlier of actual receipt or: (a) personal delivery to the party to be notified, (b) when sent, if sent by electronic mail or facsimile during normal business hours of the recipient, and if not sent during normal business hours,
then on the recipient’s next business day, (c) five (5) days after having been sent by registered or certified mail, return receipt requested, postage prepaid, or (d) one (1) business day after deposit with a nationally recognized
overnight courier, freight prepaid, specifying next business day delivery, with written verification of receipt. All communications shall be sent to the respective parties at their address as set forth on Schedule A or Schedule B
hereof, as the case may be, or to such email address, facsimile number or address as subsequently modified by written notice given in accordance with this Section 6.5. 

(b) Consent to Electronic Notice. Each Investor and Key Holder consents to the delivery of any stockholder notice pursuant to the
Delaware General Corporation Law (the “DGCL”), as amended or superseded from time to time, by electronic transmission pursuant to Section 232 of the DGCL (or any successor thereto) at the electronic mail address or the facsimile
number set forth below such Investor’s or Key Holder’s name on the Schedules hereto, as updated from time to time by notice to the Company, or as on the books of the Company. Each Investor and Key Holder agrees to promptly notify the
Company of any change in its electronic mail address, and that failure to do so shall not affect the foregoing. 
 6.6 Entire
Agreement. This Agreement (including the Exhibits and Schedules hereto) constitutes the full and entire understanding and agreement between the parties with respect to the subject matter hereof, and any other written or oral agreement relating
to the subject matter hereof existing between the parties are expressly canceled. 
 6.7 Delays or Omissions. No delay or omission to
exercise any right, power or remedy accruing to any party under this Agreement, upon any breach or default of any other party under this Agreement, shall impair any such right, power or remedy of such
non-breaching or non-defaulting party nor shall it be construed to be a waiver of any such breach or default, or an acquiescence therein, or of or in any similar breach
or default thereafter occurring; nor shall any waiver of any single breach or default be deemed a waiver of any other breach or default theretofore or thereafter occurring. Any waiver, permit, consent or approval of any kind or character on the part
of any party of any breach or default under this Agreement, or any waiver on the part of any party of any provisions or conditions of this Agreement, must be in writing and shall be effective only to the extent specifically set forth in such
writing. All remedies, either under this Agreement or by law or otherwise afforded to any party, shall be cumulative and not alternative. 

  
 11 

 6.8 Amendment; Waiver and Termination. This Agreement may be amended, modified or
terminated (other than pursuant to Section 6.1 above) and the observance of any term hereof may be waived (either generally or in a particular instance and either retroactively or prospectively) only by a written instrument
executed by (a) the Company, (b) the Key Holders holding at least [***] of the shares of Transfer Stock then held by all of the Key Holders, and (c) the holders of a majority of the shares of Common Stock issued or issuable upon
conversion of the then outstanding shares of Preferred Stock held by the Investors (voting as a single class and on an as-converted basis). Any amendment, modification, termination or waiver so effected shall
be binding upon the Company, the Investors, the Key Holders and all of their respective successors and permitted assigns whether or not such party, assignee or other shareholder entered into or approved such amendment, modification, termination or
waiver. Notwithstanding the foregoing, (i) this Agreement may not be amended, modified or terminated and the observance of any term hereunder may not be waived with respect to any Investor or Key Holder without the written consent of such
Investor or Key Holder unless such amendment, modification, termination or waiver applies to all Investors and Key Holders, respectively, in the same fashion and (ii) the consent of the Key Holders shall not be required for any amendment,
modification, termination or waiver if such amendment, modification, termination or waiver does not apply to the Key Holders; provided, however this Agreement may be amended with only the written consent of the Company for the sole
purpose of updating Schedule B hereto for issuances of Common Stock after the date hereof. The Company shall give prompt written notice of any amendment, modification or termination hereof or waiver hereunder to any party hereto that did not
consent in writing to such amendment, modification, termination or waiver. No waivers of or exceptions to any term, condition or provision of this Agreement, in any one or more instances, shall be deemed to be, or construed as, a further or
continuing waiver of any such term, condition or provision. 
 6.9 Assignment of Rights. 

(a) The terms and conditions of this Agreement shall inure to the benefit of and be binding upon the respective successors and permitted
assigns of the parties. Nothing in this Agreement, express or implied, is intended to confer upon any party other than the parties hereto or their respective successors and permitted assigns any rights, remedies, obligations, or liabilities
under or by reason of this Agreement, except as expressly provided in this Agreement. 
 (b) Any successor or permitted assignee of any Key
Holder, including any Prospective Transferee who purchases shares of Transfer Stock in accordance with the terms hereof, shall deliver to the Company and the Investors, as a condition to any transfer or assignment, a counterpart signature page
hereto pursuant to which such successor or permitted assignee shall confirm their agreement to be subject to and bound by all of the provisions set forth in this Agreement that were applicable to the predecessor or assignor of such successor or
permitted assignee. 
 (c) The rights of the Investors hereunder are not assignable without the Company’s written consent (which shall
not be unreasonably withheld, delayed or conditioned), except (i) by an Investor to any Affiliate or (ii) to any assignee or transferee, it being acknowledged and agreed that any such assignment, including an assignment contemplated by the
preceding clauses (i) or (ii) shall be subject to and conditioned upon any such assignee’s delivery to the Company and the other Investors of a counterpart signature page hereto pursuant to which such assignee shall confirm their agreement
to be subject to and bound by all of the provisions set forth in this Agreement that were applicable to the assignor of such assignee. 

  
 12 

 (d) Except in connection with an assignment by the Company by operation of law to the
acquirer of the Company, the rights and obligations of the Company hereunder may not be assigned under any circumstances. 
 6.10
Severability. The invalidity or unenforceability of any provision hereof shall in no way affect the validity or enforceability of any other provision. 

6.11 Governing Law. This Agreement shall be governed by the internal law of the State of Delaware, without regard to conflict of law
principles that would result in the application of any law other than the law of the State of Delaware. 
 6.12 Titles and Subtitles.
The titles and subtitles used in this Agreement are used for convenience only and are not to be considered in construing or interpreting this Agreement. 

6.13 Counterparts. This Agreement may be executed in two (2) or more counterparts, each of which shall be deemed an original, but
all of which together shall constitute one and the same instrument. Counterparts may be delivered via facsimile, electronic mail (including pdf or any electronic signature complying with the U.S. federal ESIGN Act of 2000, e.g.,
www.docusign.com) or other transmission method and any counterpart so delivered shall be deemed to have been duly and validly delivered and be valid and effective for all purposes. 

6.14 Aggregation of Stock. All shares of Capital Stock held or acquired by Affiliated entities or persons shall be aggregated together
for the purpose of determining the availability of any rights under this Agreement and such Affiliated persons may apportion such rights as among themselves in any manner they deem appropriate. 

6.15 Specific Performance. In addition to any and all other remedies that may be available at law in the event of any breach of this
Agreement, each Investor shall be entitled to specific performance of the agreements and obligations of the Company and the Key Holders hereunder and to such other injunction or other equitable relief as may be granted by a court of competent
jurisdiction. 
 6.16 Additional Key Holders. In the event that after the date of this Agreement, the Company issues shares of Common
Stock, or options to purchase Common Stock, to any employee or consultant, which shares or options would collectively constitute with respect to such employee or consultant (taking into account all shares of Common Stock, options and other purchase
rights held by such employee or consultant) [***] or more of the Company’s then outstanding Common Stock (treating for this purpose all shares of Common Stock issuable upon exercise of or conversion of outstanding options, warrants or
convertible securities, as if exercised or converted), the Company shall, as a condition to such issuance, cause such employee or consultant to execute a counterpart signature page hereto as a Key Holder, and such person shall thereby be bound by,
and subject to, all the terms and provisions of this Agreement applicable to a Key Holder. 

  
 13 

 6.17 Effect on Prior Agreement. Upon the execution and delivery of this Agreement,
the Prior Agreement automatically shall terminate and be of no further force and effect and shall be amended and restated in its entirety as set forth in this Agreement. 

[Remainder of Page Intentionally Left Blank] 

  
 14 

 IN WITNESS WHEREOF, the parties have executed this Fifth Amended and Restated Right
of First Refusal and Co-Sale Agreement as of the date first written above. 
  

			
	FOLLICA, INCORPORATED
		
	By:	 	/s/ Jason Bhardwaj

 
			
	Name:	 	Jason Bhardwaj
	Title:	 	President and Chief Executive Officer

  

	
	Address:
	501 Boylston Street, Suite 6102
	Boston, MA 02116

  

	
	 KEY HOLDERS:

	
	[***]

 SIGNATURE PAGE TO 

FIFTH AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE 

AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Fifth Amended and Restated Right
of First Refusal and Co-Sale Agreement as of the date first written above. 
  

	
	INVESTORS: 
	
	[***]

 SIGNATURE PAGE TO 

FIFTH AMENDED AND RESTATED RIGHT OF FIRST REFUSAL AND CO-SALE 

AGREEMENT 

 SCHEDULE A 

INVESTORS 
 [***] 

 SCHEDULE B 

KEY HOLDERS 
 [***]

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