Document:

EX-10.5

 Exhibit 10.5 

ZENTALIS PHARMACEUTICALS, INC. 

RESTRICTED STOCK AGREEMENT 

This Restricted Stock Agreement (the “Agreement”) is entered into effective as of the effective date of the Conversion
(as defined below) (the “Effective Date”), by and between Zentalis Pharmaceuticals, Inc. (the “Company”) and the holder (“Holder”) identified on the signature page hereto (the
“Signature Page”). 
 WHEREAS, Holder was previously granted the Class B common units (the
“Units”) of Zentalis Pharmaceuticals, LLC (“Prior LLC”) set forth on the Signature Page, which Units were issued pursuant to the terms of the Prior LLC’s Profits Interest Plan (the
“Profits Interest Plan”), subject to the terms of the Prior LLC’s Second Amended and Restated LLC Agreement (the “LLC Agreement”), and the Profits Interest Award Agreement(s) between Prior LLC and
Holder, as amended from time to time (the “Profits Interest Agreement(s)”); 
 WHEREAS, in connection with the
initial public offering of the Company’s common stock (“Common Stock”), pursuant to that certain Plan of Conversion by Prior LLC dated as of [____], 2020 (the “Plan of Conversion”), Prior LLC
filed with the Secretary of State of the State of Delaware a certificate of conversion converting Prior LLC into the Company pursuant to a statutory conversion and automatically converting the membership interests of Prior LLC, including the Units,
into shares of Common Stock, effective as of the Effective Date (such actions, collectively, the “Conversion”); and 

WHEREAS, as a result of the Conversion, the Units were converted into shares of Common Stock as provided on the Signature Page hereto (the
“Shares”), with any unvested Units converted into the number of unvested, restricted shares of Common Stock as provided on the Signature Page (such shares, the “Restricted Shares”), all of which
subject to the terms and conditions of this Agreement. 
 NOW, THEREFORE, in consideration of the foregoing recitals and other good and
valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company and Holder hereby desire to evidence the automatic issuance of the Shares to Holder pursuant to the Conversion and agree as follows: 

ARTICLE I. 
 DEFINITIONS

 For purposes of this Agreement, the following capitalized terms have the following meanings: 

1.1    “Board” shall mean the Board of Directors of the Company. 

1.2    “Cause” shall mean: (a) Holder’s unauthorized use or disclosure of confidential
information or trade secrets of the Company or its affiliates or any other breach of a written agreement between Holder and the Company or any of its affiliates, including without limitation a breach of any employment, confidentiality or restrictive
covenant agreement; (b) Holder’s commission of a felony or commission of any other crime involving dishonesty or moral turpitude under the applicable law; (c) Holder’s gross negligence or willful misconduct or Holder’s
willful or repeated failure or refusal to substantially perform his or her assigned duties; (d) any act of fraud, embezzlement, misappropriation or dishonesty committed by Holder against the Company or any of its affiliates; or (e) any
acts, omissions or statements by Holder which the Company reasonably determines to be detrimental or damaging to the reputation, operations, prospects or business relations of the Company or any of its affiliates. Notwithstanding the foregoing, if
Holder is a party to a written employment or consulting agreement with the Company or any affiliate in which the term “cause” is defined, then “Cause” shall be as such term is defined in the applicable written employment or
consulting agreement. 

 1.3    “Change in Control” shall have the
meaning given to such term in the Company’s 2020 Incentive Award Plan. 
 1.4    “Code”
shall mean the Internal Revenue Code of 1986, as amended. Any reference to any specific provision of the Code shall be deemed to refer also to any successor provisions thereto. 

1.5    “Consultant” shall mean any consultant or advisor if: (a) the consultant or advisor
renders bona fide services to the Company or any affiliate; (b) the services rendered by the consultant or advisor are not in connection with the offer or sale of Securities in a capital-raising transaction and do not directly or indirectly
promote or maintain a market for the Company’s securities; and (c) the consultant or advisor is a natural Person who has contracted directly with the Company or any affiliate to render such services. 

1.6    “Director” shall mean a member of the Board. 

1.7    “Employee” shall mean any officer or other employee of the Company or any affiliate. Holder
shall not cease to be an Employee in the case of transfers between locations of the Company and its affiliates or between the Company, any affiliate or any successor. 

1.8    “Good Reason” shall mean (a) a change in Holder’s position with the Company (or
its affiliate employing Holder) that materially reduces Holder’s authority, duties or responsibilities, (b) a material diminution in Holder’s level of base compensation, except in connection with a general reduction in the base
compensation of the Company’s personnel with similar status and responsibilities or (c) a relocation of Holder’s place of employment by more than fifty (50) miles, provided that such change, reduction or relocation is effected by
the Company (or its affiliate employing Holder) without Holder’s consent. Notwithstanding the foregoing, Good Reason shall only exist if Holder shall have provided the Company with written notice within sixty (60) days of the initial
occurrence of any of the foregoing events or conditions, and the Company or any successor or affiliate fails to eliminate the conditions constituting Good Reason within thirty (30) days after receipt of written notice of such event or condition
from Holder. Holder’s resignation from employment with the Company for “Good Reason” must occur within six (6) months following the initial occurrence of one of the foregoing events or conditions. Notwithstanding the foregoing,
if Holder is a party to a written employment or consulting agreement with the Company or any affiliate in which the term “good reason” is defined, then “Good Reason” shall be as such term is defined in the applicable written
employment or consulting agreement. 
 1.9    “Securities Act” shall mean the Securities Act of
1933, as amended. 
 1.10    “Termination of Service” shall mean: 

(a)    As to a Consultant, termination for any reason, including death, disability, resignation, retirement or termination
with or without Cause, at any time, of Holder’s engagement as a Consultant to the Company or any affiliate, but excluding any termination where Holder simultaneously commences or remains in employment or service with the Company or any
affiliate. 
 (b)    As to a Director, termination for any reason, including, without limitation, a termination by
resignation, removal with or without Cause, failure to be elected, death or retirement, of Holder’s service as a Director, but excluding any termination where Holder simultaneously commences or remains in employment or service with the Company
or any affiliate. 

  
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 (c)    As to an Employee, termination for any reason, including death,
disability, resignation, retirement or termination with or without Cause, at any time, of Holder’s employment with the Company or any affiliate, but excluding any termination which includes simultaneous reemployment or continuous employment of
Holder by the Company or any affiliate. 
 The Board (or its designee), in its absolute discretion, shall determine the effect of all
matters and questions relating to Terminations of Service, including, without limitation, the question of whether a Termination of Service has occurred, whether any Termination of Service resulted from a discharge for Cause and all questions of
whether particular leaves of absence constitute a Termination of Service. For purposes of the Plan, Holder’s employee-employer relationship or consultancy relationship shall be deemed to be terminated in the event that the affiliate employing
or contracting with Holder ceases to remain an affiliate of the Company following any merger, sale of stock or other corporate transaction or event (including, without limitation, a spin-off). 

ARTICLE II. 
 GENERAL

 2.1    Issuance of Shares. Subject to the terms and conditions of this Agreement and pursuant to the Plan
of Conversion, Holder was automatically issued the Shares identified on the Signature Page hereto pursuant to the Conversion. Holder’s ownership of Shares will be evidenced by (i) a stock certificate or certificates representing the Shares
to be registered in Holder’s name or (ii) by a book-entry in the Company’s records. If a stock certificate is issued, the certificate will be delivered to, and held in accordance with this Agreement by, the Company or its authorized
representatives and will bear the restrictive legends required by this Agreement. If the Shares are held in book-entry form, then the book-entry will indicate that the Shares are subject to the restrictions of this Agreement. 

2.2    Section 83(b) Election. Within ten (10) days after the Effective Date, Holder shall provide the Company
with a copy of a completed election under Section 83(b) of the Code in the form of Exhibit B attached hereto. Holder shall timely (within 30 days of the Effective Date) file (via certified mail, return receipt requested) such election
with the Internal Revenue Service, and thereafter shall certify to the Company that Holder has made such timely filing and furnish a copy of such filing to the Company. Holder should consult his or her tax advisor regarding the consequences of a
Section 83(b) election, as well as the receipt, vesting, holding and sale of the Restricted Shares. 

2.3    Representation. Holder acknowledges that the Shares have not been registered under the Securities Act and,
accordingly, may not be sold or transferred except pursuant to an effective registration statement under the Securities Act or pursuant to an applicable exemption therefrom. 

ARTICLE III. 
 VESTING,
FORFEITURE AND ESCROW 
 3.1    Vesting. Each Restricted Share will initially be unvested and subject to the
forfeiture restrictions set forth in Section 3.2 below and the transfer restrictions set forth in Section 5.2 below. Each Restricted Share shall become a vested Share (a “Vested Share”) at the same time as the Unit
in respect of which the Restricted Share was granted in the Conversion would have vested under the terms of the Profits Interest Agreement(s), as specified on the Signature page hereto, except that any fraction of a Restricted Share that would
otherwise become a Vested Share will be accumulated and will become a Vested Share only when a whole Vested Share has accumulated. The Board (or its designee) may accelerate the vesting of all or a portion of the Restricted Shares in such
circumstances as it may determine. 

  
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 3.2    Forfeiture. In the event of Holder’s Termination of
Service for any reason, Holder will immediately and automatically forfeit any Restricted Shares to the Company at the time of Holder’s Termination of Service, except as otherwise determined by the Board (or its designee) or provided in a
binding written agreement between Holder and the Company. Upon forfeiture of Restricted Shares, the Company will become the legal and beneficial owner of the Restricted Shares and all related interests and Holder will have no further rights with
respect to the Restricted Shares. 
 3.3    Escrow. 

(a)    Restricted Shares will be held by the Company or its authorized representatives until (i) they are forfeited,
(ii) they become Vested Shares or (iii) this Agreement is no longer in effect. Holder appoints the Company and its authorized representatives as
Holder’sattorney(s)-in-fact to take all actions necessary to effect any transfer of forfeited Restricted Shares (and Retained Distributions (as defined below), if
any, paid on such forfeited Restricted Shares) to the Company as may be required pursuant to this Agreement and to execute such representations or other documents or assurances as the Company or such representatives deem necessary or advisable in
connection with any such transfer. The Company, or its authorized representative, will not be liable for any good faith act or omission with respect to the holding in escrow or transfer of the Restricted Shares. 

(b)    All cash dividends and other distributions made or declared with respect to Restricted Shares (“Retained
Distributions”) will be held by the Company until the time (if ever) when the Restricted Shares to which such Retained Distributions relate become Vested Shares. The Company will establish a separate Retained Distribution bookkeeping
account (“Retained Distribution Account”) for each Restricted Share with respect to which Retained Distributions have been made or declared in cash and credit the Retained Distribution Account (without interest) on the date
of payment with the amount of such cash paid or declared with respect to the Restricted Share. Retained Distributions (including any Retained Distribution Account balance) will immediately and automatically be forfeited upon forfeiture of the
Restricted Share with respect to which the Retained Distributions were paid or declared. 
 (c)    As soon as reasonably
practicable following the date on which a Restricted Share becomes a Vested Share, the Company will (i) cause the certificate (or a new certificate without the legend required by this Agreement, if Holder so requests) representing the
Restricted Share to be delivered to Holder or, if the Restricted Share is held in book-entry form, cause the notations indicating the Restricted Share is subject to the restrictions of this Agreement to be removed and (ii) pay to Holder the
Retained Distributions relating to the Restricted Share. 
 3.4    Rights as Stockholder. Except as otherwise
provided in this Agreement, upon issuance of the Shares by the Company, Holder will have all the rights of a stockholder with respect to the Shares, including the right to vote the Shares and to receive dividends or other distributions paid or made
with respect to the Shares. Holder acknowledges that the Shares are subject to adjustment in accordance with the Company’s organizational documents. 

ARTICLE IV. 
 TAXATION
AND TAX WITHHOLDING 
 4.1    Representation. Holder has reviewed with Holder’s own tax advisors the tax
consequences of the Shares and the transactions contemplated by this Agreement and the Conversion. Holder is relying solely on such advisors and not on any statements or representations of the Company or any of its agents. 

  
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 4.2    Tax Withholding. Notwithstanding any other provision of
this Agreement: 
 (a)    The Company and its affiliates have the authority to deduct or withhold, or require Holder to
remit to the Company or the applicable affiliate, an amount sufficient to satisfy applicable federal, state, local and foreign taxes (including the employee portion of any FICA obligation) required by law to be withheld with respect to any taxable
event arising pursuant to this Agreement. 
 (b)    Holder is ultimately liable and responsible for all taxes owed in
connection with the Shares, regardless of any action the Company or any affiliate takes with respect to any tax withholding obligations that arise in connection with the Shares. Neither the Company nor any affiliate makes any representation or
undertaking regarding the treatment of any tax withholding in connection with the Shares or the subsequent sale of the Shares. The Company and the affiliates do not commit and are under no obligation to structure the Conversion or this Agreement to
reduce or eliminate Holder’s tax liability. 
 ARTICLE V. 

RESTRICTIVE LEGENDS AND TRANSFERABILITY 

5.1    Legends. Any certificate representing a Share will bear the following legend(s) (as applicable) and any
additional legends that the Company determines are required by law: 
 THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO FORFEITURE
IN FAVOR OF THE COMPANY AND MAY BE TRANSFERRED ONLY IN ACCORDANCE WITH THE TERMS OF A RESTRICTED STOCK AGREEMENT BETWEEN THE COMPANY AND THE STOCKHOLDER, A COPY OF WHICH IS ON FILE WITH THE SECRETARY OF THE COMPANY. 

THE OFFERING AND SALE OF THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE
“SECURITIES ACT”). ANY TRANSFER OF SUCH SECURITIES WILL BE INVALID UNLESS A REGISTRATION STATEMENT UNDER THE SECURITIES ACT IS IN EFFECT AS TO SUCH TRANSFER OR IN THE OPINION OF COUNSEL FOR THE COMPANY SUCH REGISTRATION IS UNNECESSARY IN
ORDER FOR SUCH TRANSFER TO COMPLY WITH THE SECURITIES ACT. 
 5.2    Transferability. Without the consent of the
Board (or its designee), the Restricted Shares and any Retained Distributions may not be sold, assigned, transferred, pledged or otherwise encumbered, either voluntarily or by operation of law, in any manner unless and until they become Vested
Shares. Any attempted transfer or disposition of Restricted Shares or related Retained Distributions prior to the time the Restricted Shares become Vested Shares shall be null and void. The Company will not be required to (a) transfer on its
books any Restricted Share that has been sold or otherwise transferred in violation of this Agreement or (b) treat as owner of such Restricted Share or accord the right to vote or pay dividends to any purchaser or other transferee to whom such
Restricted Share has been so transferred. The Company may issue appropriate “stop transfer” instructions to its transfer agent, if any, or make appropriate notations to the same effect in its records. 

5.3    Market Standoff. Holder hereby agrees that if so requested by the Company or any representative of the
underwriters in connection with any registration of the offering of any securities of the Company under the Securities Act, Holder shall not, directly or indirectly, sell, offer to sell, grant any option for the sale of, or otherwise dispose of or
transfer, any Shares or other securities of the Company during the 180-day period following the effective date of a registration statement of the Company filed under the

  
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Securities Act; provided, however, that such restriction shall apply only to the first two registration statements of the Company to become effective under the Securities Act which include
securities to be sold on behalf of the Company to the public in an underwritten public offering under the Securities Act. The Company may place a restrictive legend on any security issued to Holder and/or impose stop-transfer instructions with
respect to the securities subject to the foregoing restrictions until the end of such 180-day period. 

ARTICLE VI. 
 OTHER
PROVISIONS 
 6.1    Notices. Any notice to be given under the terms of this Agreement to the Company must be
in writing and addressed to the Company in care of the Company’s Secretary at the Company’s principal office or the Secretary’s then-current email address or facsimile number. Any notice to be given under the terms of this Agreement
to Holder must be in writing and addressed to Holder at Holder’s last known mailing address, email address or facsimile number in the Company’s personnel files. By a notice given pursuant to this Section, either party may designate a
different address for notices to be given to that party. Any notice will be deemed duly given when actually received, when sent by email, when sent by certified mail (return receipt requested) and deposited with postage prepaid in a post office or
branch post office regularly maintained by the United States Postal Service, when delivered by a nationally recognized express shipping company or upon receipt of a facsimile transmission confirmation. 

6.3    No Right to Continued Service. Nothing in this Agreement shall confer upon Holder any right to continue in
the employment or service of the Company (including for the avoidance of doubt any of its affiliates), or shall interfere with or restrict in any way the rights of the Company or any of its affiliates, which rights are hereby expressly reserved, to
discharge Holder at any time for any reason whatsoever, with or without Cause, except to the extent expressly provided otherwise in a written agreement between Holder and the Company or any of affiliates. 

6.4    Counterparts. This Agreement may be executed in any number of counterparts, any of which may be executed and
transmitted (without limitation) by facsimile, electronic mail, portable document format (PDF) or any electronic signature complying with the U.S. federal ESIGN Act of 2000 (e.g., www.docusign.com), and each of which shall be deemed to be an
original, but all of which together shall be deemed to be one and the same instrument. 
 6.5    Successors and
Assigns. Subject to the limitations set forth in this Agreement, this Agreement shall be binding upon, and inure to the benefit of, the executors, administrators, heirs, legal representatives, successors and assigns of the parties hereto. 

6.6    Entire Agreement; Amendments and Waivers. This Agreement (including any exhibit hereto) constitutes the
entire agreement of the parties and supersedes in their entirety all prior undertakings and agreements of the parties hereto with respect to the subject matter hereof, including the Profits Interest Plan, the Profits Interest Agreement and the LLC
Agreement. This Agreement may not be amended except in an instrument in writing signed by Holder and a duly authorized representative of the Company. No amendment, supplement, modification or waiver of this Agreement shall be binding unless executed
in writing by the party to be bound thereby. No waiver of any of the provisions of this Agreement shall be deemed or shall constitute a waiver of any other provision hereof (whether or not similar), nor shall such waiver constitute a continuing
waiver unless otherwise expressly provided. 
 6.7    Invalidity. If for any reason one or more of the provisions
contained in this Agreement or in any other instrument referred to herein, shall, for any reason, be held to be invalid, illegal or unenforceable in any respect, then to the maximum extent permitted by law, such invalidity, illegality or
unenforceability shall not affect any other provision of this Agreement or any other such instrument. 

  
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 6.8    Titles. The titles, captions or headings of the sections
herein are inserted for convenience of reference only and are not intended to be a part of or to affect the meaning or interpretation of this Agreement. 

6.9    Governing Law. The laws of the State of Delaware shall govern the interpretation, validity, administration,
enforcement and performance of the terms of this Agreement regardless of the law that might be applied under principles of conflicts of laws. 

6.10    Clawback. To the extent required by applicable law or any applicable securities exchange listing standards,
the Shares and any proceeds thereof shall be subject to clawback as determined by the Committee, which clawback may include forfeiture, repurchase and/or recoupment of the Shares and amounts paid or payable pursuant to or with respect to the Shares.

 [Signature Page Follows] 

  
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 IN WITNESS WHEREOF, this Agreement has been executed and delivered by the parties hereto as
of the date first set forth above. 
  

			
	ZENTALIS PHARMACEUTICALS, INC.
		
	By:	 	 
	Name:	 	 
	Title:	 	 
	
	HOLDER
		
	By:	 	 
	Name:	 	 

 Number of Units and Shares of Common Stock Issued Pursuant to Conversion: 

 

									
	 Date of Grant
	  	 Number of Class B Common Units
Under
 Profits Interest Agreement on Effective

Date
	  	 Number of Shares of Common Stock

Issued on Effective Date

		  	Vested	  	Unvested	  	Vested Shares	  	 Restricted

Shares

	[______]	  	[______]	  	[______]	  	[______]	  	[______](1)
	[______]	  	[______]	  	[______]	  	[______]	  	[______](2)

  

	(1)	 The Restricted Shares will vest as follows: [______]. In addition to the foregoing, in the event of
Holder’s Termination of Service as a result of Holder’s termination by the Company or an affiliate other than for Cause following a Change in Control, all of the Restricted Shares shall vest on the date of such termination.

	(2)	 The Restricted Shares will vest as follows: [______]. In addition to the foregoing, in the event of
Holder’s Termination of Service as a result of Holder’s termination by the Company or an affiliate other than for Cause following a Change in Control, all of the Restricted Shares shall vest on the date of such termination.

  
 C-1 

 EXHIBIT A 

FORM OF 83(B) ELECTION AND INSTRUCTIONS 

These instructions are provided to assist you if you choose to make an election under Section 83(b) of the Internal Revenue Code, as
amended, with respect to the shares of common stock of Zentalis Pharmaceuticals, Inc. transferred to you. Please consult with your personal tax advisor as to whether an election of this nature will be in your best interests in light of your
personal tax situation. 
 The executed original of the Section 83(b) election must be filed with the Internal Revenue Service not
later than 30 days after the date the shares were transferred to you. There is no remedy for failure to file on time. The steps outlined below should be followed to ensure the election is mailed and filed correctly and in a timely manner.
If you make the Section 83(b) election, the election is irrevocable. 
 Complete the Section 83(b) election
form (attached as Attachment 1) and make four (4) copies of the signed election form. Your spouse, if any, should sign the Section 83(b) election form as well. 

Prepare a cover letter to the Internal Revenue Service. 

Send the cover letter with the originally executed Section 83(b) election form and one (1) copy via certified mail, return receipt
requested to the Internal Revenue Service at the address of the Internal Revenue Service where you file your personal tax returns. We suggest that you have the package date-stamped at the post office. The post office will provide you with a
certified receipt that includes a dated postmark. Enclose a self-addressed, stamped envelope so that the Internal Revenue Service may return a date-stamped copy to you. However, your postmarked receipt is your proof of having timely filed the
Section 83(b) election if you do not receive confirmation from the Internal Revenue Service. 
 One (1) copy must be sent to
Zentalis Pharmaceuticals, Inc. for its records. 
 Retain the Internal Revenue Service file stamped copy (when returned) for your records.

 Please consult your personal tax advisor for the address of the office of the Internal Revenue Service to which you should mail your
election form. 

 ATTACHMENT 1 

ELECTION UNDER INTERNAL REVENUE CODE SECTION 83(B) 

The undersigned taxpayer hereby elects, pursuant to Section 83(b) of the Internal Revenue Code of 1986, as amended, to include in
taxpayer’s gross income for the current taxable year the amount of any compensation taxable to taxpayer in connection with taxpayer’s receipt of shares (the “Shares”) of Common Stock of Zentalis Pharmaceuticals,
Inc., a Delaware corporation (the “Company”). 
 The name, address and taxpayer identification number of the undersigned taxpayer
are: 
 ___________________________ 

___________________________ 

___________________________ 
 SSN:
                                         
        
 The name, address and taxpayer identification number of the Taxpayer’s spouse are
(complete if applicable): 
 ___________________________ 

___________________________ 

___________________________ 
 SSN:
                                         
        
 Description of the property with respect to which the election is being made: 

_______ shares of Common Stock of the Company. 

The date on which the property was transferred was ________, 2020. The taxable year to which this election relates is calendar year 2020. 

Nature of restrictions to which the property is subject: 

The Shares are subject to forfeiture upon the occurrence of certain events. This forfeiture restriction lapses based upon the continued
performance of services by the taxpayer over time. 
 The fair market value at the time of transfer (determined without regard to any lapse restrictions, as
defined in Treasury Regulation Section 1.83-3(i)) of the Shares was $___________ per Share. 
 The amount paid
by the taxpayer for the Shares was $_________ per share. 
 A copy of this statement has been furnished to the Company. 

Dated: _____________,
2020                            Taxpayer Signature ________________________EX-10.6

 Exhibit 10.6 

ZENTALIS PHARMACEUTICALS, INC. 

INDEMNIFICATION AGREEMENT 

THIS INDEMNIFICATION AGREEMENT (the “Agreement”) is made and entered into as of
                        , 20[20] between Zentalis Pharmaceuticals, Inc., a Delaware corporation (the
“Company”), and [Name] (“Indemnitee”). 
 WITNESSETH THAT: 

WHEREAS, highly competent persons have become more reluctant to serve corporations as directors, officers or in other capacities unless they
are provided with adequate protection through insurance or adequate indemnification against inordinate risks of claims and actions against them arising out of their service to and activities on behalf of the corporation; 

WHEREAS, the Board of Directors of the Company (the “Board”) has determined that, in order to attract and retain
qualified individuals, the Company will attempt to maintain on an ongoing basis, at its sole expense, liability insurance to protect persons serving the Company and its subsidiaries from certain liabilities. Although the furnishing of such insurance
has been a customary and widespread practice among United States-based corporations and other business enterprises, the Company believes that, given current market conditions and trends, such insurance may be available to it in the future only at
higher premiums and with more exclusions. At the same time, directors, officers, and other persons in service to corporations or business enterprises are being increasingly subjected to expensive and time-consuming litigation relating to, among
other things, matters that traditionally would have been brought only against the Company or business enterprise itself. The Bylaws of the Company require indemnification of the officers and directors of the Company. Indemnitee may also be entitled
to indemnification pursuant to the General Corporation Law of the State of Delaware (“DGCL”). The Bylaws and the DGCL expressly provide that the indemnification provisions set forth therein are not exclusive, and thereby
contemplate that contracts may be entered into between the Company and members of the Board, officers and other persons with respect to indemnification; 

WHEREAS, the uncertainties relating to such insurance and to indemnification have increased the difficulty of attracting and retaining such
persons; 
 WHEREAS, the Board has determined that the increased difficulty in attracting and retaining such persons is detrimental to the
best interests of the Company’s stockholders and that the Company should act to assure such persons that there will be increased certainty of such protection in the future; 

WHEREAS, it is reasonable, prudent and necessary for the Company contractually to obligate itself to indemnify, and to advance expenses on
behalf of, such persons to the fullest extent permitted by applicable law so that they will serve or continue to serve the Company free from undue concern that they will not be so indemnified; 

WHEREAS, this Agreement is a supplement to and in furtherance of the Bylaws of the Company and any resolutions adopted pursuant thereto, and
shall not be deemed a substitute therefor, nor to diminish or abrogate any rights of Indemnitee thereunder; [and] 

  
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 WHEREAS, Indemnitee does not regard the protection available under the Company’s Bylaws
and insurance as adequate in the present circumstances, and may not be willing to serve as an officer or director without adequate protection, and the Company desires Indemnitee to serve in such capacity. Indemnitee is willing to serve, continue to
serve and to take on additional service for or on behalf of the Company on the condition that he be so indemnified; [and] 
 [WHEREAS,
Indemnitee has certain rights to indemnification and/or insurance provided by [NAME] which Indemnitee and [NAME] intend to be secondary to the primary obligation of the Company to indemnify Indemnitee as provided herein, with the Company’s
acknowledgement and agreement to the foregoing being a material condition to Indemnitee’s willingness to serve on the Board;] 
 NOW,
THEREFORE, in consideration of Indemnitee’s agreement to serve as [an officer][a director][an officer and director] from and after the date hereof, the parties hereto agree as follows: 

1.    Indemnity of Indemnitee. The Company hereby agrees to hold harmless and indemnify Indemnitee to the fullest
extent permitted by law, as such may be amended from time to time. In furtherance of the foregoing indemnification, and without limiting the generality thereof: 

(a)    Proceedings Other Than Proceedings by or in the Right of the Company. Indemnitee shall be entitled to the
rights of indemnification provided in this Section l(a) if, by reason of his Corporate Status (as hereinafter defined), the Indemnitee is, or is threatened to be made, a party to or participant in any Proceeding (as hereinafter defined)
other than a Proceeding by or in the right of the Company. Pursuant to this Section 1(a), Indemnitee shall be indemnified against all Expenses (as hereinafter defined), judgments, penalties, fines and amounts paid in
settlement actually and reasonably incurred by him, or on his behalf, in connection with such Proceeding or any claim, issue or matter therein, if the Indemnitee acted in good faith and in a manner the Indemnitee reasonably believed to be in or not
opposed to the best interests of the Company, and with respect to any criminal Proceeding, had no reasonable cause to believe the Indemnitee’s conduct was unlawful. 

(b)    Proceedings by or in the Right of the Company. Indemnitee shall be entitled to the rights of indemnification
provided in this Section 1(b) if, by reason of his Corporate Status, the Indemnitee is, or is threatened to be made, a party to or participant in any Proceeding brought by or in the right of the Company. Pursuant to this
Section 1(b), Indemnitee shall be indemnified against all Expenses actually and reasonably incurred by the Indemnitee, or on the Indemnitee’s behalf, in connection with such Proceeding if the Indemnitee acted in good
faith and in a manner the Indemnitee reasonably believed to be in or not opposed to the best interests of the Company; provided, however, if applicable law so provides, no indemnification against such Expenses shall be made in respect of any claim,
issue or matter in such Proceeding as to which Indemnitee shall have been adjudged to be liable to the Company unless and to the extent that the Court of Chancery of the State of Delaware shall determine that such indemnification may be made. 

  
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 (c)    Indemnification for Expenses of a Party Who is Wholly or
Partly Successful. Notwithstanding any other provision of this Agreement, to the extent that Indemnitee is, by reason of his Corporate Status, a party to and is successful, on the merits or otherwise, in any Proceeding, he shall be indemnified
to the maximum extent permitted by law, as such may be amended from time to time, against all Expenses actually and reasonably incurred by him or on his behalf in connection therewith. If Indemnitee is not wholly successful in such Proceeding but is
successful, on the merits or otherwise, as to one or more but less than all claims, issues or matters in such Proceeding, the Company shall indemnify Indemnitee against all Expenses actually and reasonably incurred by him or on his behalf in
connection with each successfully resolved claim, issue or matter. For purposes of this Section and without limitation, the termination of any claim, issue or matter in such a Proceeding by dismissal, with or without prejudice, shall be deemed to be
a successful result as to such claim, issue or matter. 
 (d)    Indemnification of Appointing Stockholder. If
(i) Indemnitee is or was affiliated with one or more venture capital funds that has invested in the Company (an “Appointing Stockholder”), and (ii) the Appointing Stockholder is, or is threatened to be made, a party
to or a participant in any Proceeding relating to or arising by reason of Appointing Stockholder’s position as a stockholder of, or lender to, the Company, or Appointing Stockholder’s appointment of or affiliation with Indemnitee or any
other director, including without limitation any alleged misappropriation of a Company asset or corporate opportunity, any claim of misappropriation or infringement of intellectual property relating to the Company, any alleged false or misleading
statement or omission made by the Company (or on its behalf) or its employees or agents, or any allegation of inappropriate control or influence over the Company or its Board members, officers, equity holders or debt holders, then the Appointing
Stockholder will be entitled to indemnification hereunder for Expenses to the same extent as Indemnitee, and the terms of this Agreement as they relate to procedures for indemnification of Indemnitee and advancement of Expenses shall apply to any
such indemnification of Appointing Stockholder. 
 (e)    The rights provided to the Appointing Stockholder under this
Section 1(d) shall (i) be suspended during any period during which the Appointing Stockholder does not have a representative on the Company’s Board and (ii) terminate on an initial public offering of the Company’s Common
Stock; provided, however, that in the event of any such suspension or termination, the Appointing Stockholder’s rights to indemnification will not be suspended or terminated with respect to any Proceeding based in whole or in part on facts and
circumstances occurring at any time prior to such suspension or termination regardless of whether the Proceeding arises before or after such suspension or termination. The Company and Indemnitee agree that the Appointing Stockholder is an express
third party beneficiary of the terms of this Section 1(d). 
 2.    Additional Indemnity. In addition to,
and without regard to any limitations on, the indemnification provided for in Section 1 of this Agreement, the Company shall and hereby does indemnify and hold harmless Indemnitee against all Expenses, judgments, penalties,
fines and amounts paid in settlement actually and reasonably incurred by him or on his behalf if, by reason of his Corporate Status, he is, or is threatened to be made, a party to or participant in any Proceeding (including a Proceeding by or in the
right of the Company), including, without limitation, all liability arising out of the negligence or active or passive wrongdoing of Indemnitee. The only limitation that shall exist upon the Company’s obligations pursuant to this Agreement
shall be that the Company shall not be obligated to make any payment to Indemnitee that is finally determined (under the procedures, and subject to the presumptions, set forth in Sections 6 and 7 hereof) to be unlawful. 

  
 3 

 3.    Contribution. 

(a)    Whether or not the indemnification provided in Sections 1 and 2 hereof is available, in respect
of any threatened, pending or completed action, suit or proceeding in which the Company is jointly liable with Indemnitee (or would be if joined in such action, suit or proceeding), the Company shall pay, in the first instance, the entire amount of
any judgment or settlement of such action, suit or proceeding without requiring Indemnitee to contribute to such payment and the Company hereby waives and relinquishes any right of contribution it may have against Indemnitee. The Company shall not
enter into any settlement of any action, suit or proceeding in which the Company is jointly liable with Indemnitee (or would be if joined in such action, suit or proceeding) unless such settlement provides for a full and final release of all claims
asserted against Indemnitee. 
 (b)    Without diminishing or impairing the obligations of the Company set forth in the
preceding subparagraph, if, for any reason, Indemnitee shall elect or be required to pay all or any portion of any judgment or settlement in any threatened, pending or completed action, suit or proceeding in which the Company is jointly liable with
Indemnitee (or would be if joined in such action, suit or proceeding), the Company shall contribute to the amount of Expenses, judgments, fines and amounts paid in settlement actually and reasonably incurred and paid or payable by Indemnitee in
proportion to the relative benefits received by the Company and all officers, directors or employees of the Company, other than Indemnitee, who are jointly liable with Indemnitee (or would be if joined in such action, suit or proceeding), on the one
hand, and Indemnitee, on the other hand, from the transaction or events from which such action, suit or proceeding arose; provided, however, that the proportion determined on the basis of relative benefit may, to the extent necessary to conform to
law, be further adjusted by reference to the relative fault of the Company and all officers, directors or employees of the Company other than Indemnitee who are jointly liable with Indemnitee (or would be if joined in such action, suit or
proceeding), on the one hand, and Indemnitee, on the other hand, in connection with the transaction or events that resulted in such expenses, judgments, fines or settlement amounts, as well as any other equitable considerations which applicable law
may require to be considered. The relative fault of the Company and all officers, directors or employees of the Company, other than Indemnitee, who are jointly liable with Indemnitee (or would be if joined in such action, suit or proceeding), on the
one hand, and Indemnitee, on the other hand, shall be determined by reference to, among other things, the degree to which their actions were motivated by intent to gain personal profit or advantage, the degree to which their liability is primary or
secondary and the degree to which their conduct is active or passive. 
 (c)    The Company hereby agrees to fully
indemnify and hold Indemnitee harmless from any claims of contribution which may be brought by officers, directors or employees of the Company, other than Indemnitee, who may be jointly liable with Indemnitee. 

(d)    To the fullest extent permissible under applicable law, if the indemnification provided for in this Agreement is
unavailable to Indemnitee for any reason whatsoever, the Company, in lieu of indemnifying Indemnitee, shall contribute to the amount incurred by Indemnitee, whether for judgments, fines, penalties, excise taxes, amounts paid or to be paid in
settlement and/or for Expenses, in connection with any claim relating to an indemnifiable event under this Agreement, in such proportion as is deemed fair and reasonable in light of all of the circumstances of such Proceeding in order to reflect
(i) the relative benefits received by the Company and Indemnitee as a result of the event(s) and/or transaction(s) giving cause to such Proceeding and/or (ii) the relative fault of the Company (and its directors, officers, employees and
agents) and Indemnitee in connection with such event(s) and/or transaction(s). 

  
 4 

 4.    Indemnification for Expenses of a Witness. Notwithstanding
any other provision of this Agreement, to the extent that Indemnitee is, by reason of his Corporate Status, a witness, or is made (or asked) to respond to discovery requests, in any Proceeding to which Indemnitee is not a party, he shall be
indemnified against all Expenses actually and reasonably incurred by him or on his behalf in connection therewith. 

5.    Advancement of Expenses. Notwithstanding any other provision of this Agreement, the Company shall advance all
Expenses incurred by or on behalf of Indemnitee in connection with any Proceeding by reason of Indemnitee’s Corporate Status within thirty (30) days after the receipt by the Company of a statement or statements from Indemnitee requesting
such advance or advances from time to time, whether prior to or after final disposition of such Proceeding. Such statement or statements shall reasonably evidence the Expenses incurred by Indemnitee. The Indemnitee shall qualify for advances upon
the execution and delivery to the Company of this Agreement, which shall constitute an undertaking by Indemnitee to repay any Expenses advanced if it shall ultimately be determined that Indemnitee is not entitled to be indemnified against such
Expenses. Any advances and undertakings to repay pursuant to this Section 5 shall be unsecured and interest free. 

6.    Procedures and Presumptions for Determination of Entitlement to Indemnification. It is the intent of this
Agreement to secure for Indemnitee rights of indemnity that are as favorable as may be permitted under the DGCL and public policy of the State of Delaware. Accordingly, the parties agree that the following procedures and presumptions shall apply in
the event of any question as to whether Indemnitee is entitled to indemnification under this Agreement: 
 (a)    To
obtain indemnification under this Agreement, Indemnitee shall submit to the Company a written request, including therein or therewith such documentation and information as is reasonably available to Indemnitee and is reasonably necessary to
determine whether and to what extent Indemnitee is entitled to indemnification. The Secretary of the Company shall, promptly upon receipt of such a request for indemnification, advise the Board in writing that Indemnitee has requested
indemnification. Notwithstanding the foregoing, any failure of Indemnitee to provide such a request to the Company, or to provide such a request in a timely fashion, shall not relieve the Company of any liability that it may have to Indemnitee
unless, and to the extent that, such failure actually and materially prejudices the interests of the Company. 

(b)    Upon written request by Indemnitee for indemnification pursuant to the first sentence of
Section 6(a) hereof, a determination with respect to Indemnitee’s entitlement thereto shall be made in the specific case by one of the following four methods, which shall be at the election of the Board: (1) by a
majority vote of the disinterested directors, even though less than a quorum, (2) by a committee of disinterested directors designated by a majority vote of the disinterested directors, even though less than a quorum, (3) if there are no
disinterested directors or if the disinterested directors so direct, by independent legal counsel in a written opinion to the Board, a copy of which shall be delivered to the Indemnitee, or (4) if so directed by the Board, by the stockholders
of the Company. For purposes hereof, disinterested directors are those members of the Board who are not parties to the action, suit or proceeding in respect of which indemnification is sought by Indemnitee. 

  
 5 

 (c)    If the determination of entitlement to indemnification is to be
made by Independent Counsel pursuant to Section 6(b) hereof, the Independent Counsel shall be selected as provided in this Section 6(c). The Independent Counsel shall be selected by the Board.
Indemnitee may, within ten (10) days after such written notice of selection shall have been given, deliver to the Company a written objection to such selection; provided, however, that such objection may be asserted only on the ground that the
Independent Counsel so selected does not meet the requirements of “Independent Counsel” as defined in Section 13 of this Agreement, and the objection shall set forth with particularity the factual basis of such
assertion. Absent a proper and timely objection, the person so selected shall act as Independent Counsel. If a written objection is made and substantiated, the Independent Counsel selected may not serve as Independent Counsel unless and until such
objection is withdrawn or a court has determined that such objection is without merit. If, within twenty (20) days after the conclusion of the Proceeding giving rise to the request for indemnification, no Independent Counsel shall have been
selected and not objected to, either the Company or Indemnitee may petition the Court of Chancery of the State of Delaware for resolution of any objection which shall have been made by the Indemnitee to the Company’s selection of Independent
Counsel and/or for the appointment as Independent Counsel of a person selected by the court or by such other person as the court shall designate, and the person with respect to whom all objections are so resolved or the person so appointed shall act
as Independent Counsel under Section 6(b) hereof. The Company shall pay any and all reasonable fees and expenses of Independent Counsel incurred by such Independent Counsel in connection with acting pursuant to
Section 6(b) hereof, and the Company shall pay all reasonable fees and expenses incident to the procedures of this Section 6(c), regardless of the manner in which such Independent Counsel was
selected or appointed. 
 (d)    In making a determination with respect to entitlement to indemnification hereunder, the
person or persons or entity making such determination shall presume that Indemnitee is entitled to indemnification under this Agreement. Anyone seeking to overcome this presumption shall have the burden of proof and the burden of persuasion by clear
and convincing evidence. Neither the failure of the Company (including by its directors or independent legal counsel) to have made a determination prior to the commencement of any action pursuant to this Agreement that indemnification is proper in
the circumstances because Indemnitee has met the applicable standard of conduct, nor an actual determination by the Company (including by its directors or independent legal counsel) that Indemnitee has not met such applicable standard of conduct,
shall be a defense to the action or create a presumption that Indemnitee has not met the applicable standard of conduct. 

(e)    Indemnitee shall be deemed to have acted in good faith if Indemnitee’s action is based on the records or books
of account of the Enterprise (as hereinafter defined), including financial statements, or on information supplied to Indemnitee by the officers of the Enterprise in the course of their duties, or on the advice of legal counsel for the Enterprise or
on information or records given or reports made to the Enterprise by an independent certified public accountant or by an appraiser or other expert selected with reasonable care by the Enterprise. In addition, the knowledge and/or actions, or failure
to act, of any director, officer, agent or employee of the Enterprise shall not be imputed to Indemnitee for purposes of determining the right to indemnification under this Agreement. Whether or not the foregoing provisions of this
Section 6(e) are satisfied, it shall in any event be presumed that Indemnitee has at all times acted in good faith and in a manner he reasonably believed to be in or not opposed to the best interests of the Company. Anyone
seeking to overcome this presumption shall have the burden of proof and the burden of persuasion by clear and convincing evidence. 

  
 6 

 (f)    If the person, persons or entity empowered or selected under
Section 6 to determine whether Indemnitee is entitled to indemnification shall not have made a determination within sixty (60) days after the conclusion of the Proceeding giving rise to the request for indemnification,
the requisite determination of entitlement to indemnification shall be deemed to have been made and Indemnitee shall be entitled to such indemnification absent (i) a misstatement by Indemnitee of a material fact, or an omission of a material
fact necessary to make Indemnitee’s statement not materially misleading, in connection with the request for indemnification, or (ii) a prohibition of such indemnification under applicable law; provided, however, that such sixty (60)-day period may be extended for a reasonable time, not to exceed an additional thirty (30) days, if the person, persons or entity making such determination with respect to entitlement to indemnification in
good faith requires such additional time to obtain or evaluate documentation and/or information relating thereto; and provided, further, that the foregoing provisions of this Section 6(f) shall not apply if the
determination of entitlement to indemnification is to be made by the stockholders pursuant to Section 6(b) of this Agreement and if (A) within fifteen (15) days after the conclusion of the Proceeding giving rise
to the request for indemnification, the Board or the Disinterested Directors, if appropriate, resolve to submit such determination to the stockholders for their consideration at an annual meeting thereof to be held within seventy-five (75) days
after such resolution and such determination is made thereat, or (B) a special meeting of stockholders is called within fifteen (15) days after such resolution and such meeting is held for such purpose within sixty (60) days after
having been so called and such determination is made thereat. 
 (g)    Indemnitee shall cooperate with the person,
persons or entity making such determination with respect to Indemnitee’s entitlement to indemnification, including providing to such person, persons or entity upon reasonable advance request any documentation or information which is not
privileged or otherwise protected from disclosure and which is reasonably available to Indemnitee and reasonably necessary to such determination. Any Independent Counsel, member of the Board or stockholder of the Company shall act reasonably and in
good faith in making a determination regarding the Indemnitee’s entitlement to indemnification under this Agreement. Any costs or expenses (including attorneys’ fees and disbursements) incurred by Indemnitee in so cooperating with the
person, persons or entity making such determination shall be borne by the Company (irrespective of the determination as to Indemnitee’s entitlement to indemnification) and the Company hereby indemnifies and agrees to hold Indemnitee harmless
therefrom. 
 (h)    The Company acknowledges that a settlement or other disposition short of final judgment may be
successful if it permits a party to avoid expense, delay, distraction, disruption and uncertainty. In the event that any action, claim or proceeding to which Indemnitee is a party is resolved in any manner other than by adverse judgment against
Indemnitee (including, without limitation, settlement of such action, claim or proceeding with or without payment of money or other consideration) it shall be presumed that Indemnitee has been successful on the merits or otherwise in such action,
suit or proceeding. Anyone seeking to overcome this presumption shall have the burden of proof and the burden of persuasion by clear and convincing evidence. 

  
 7 

 (i)    The termination of any Proceeding or of any claim, issue or
matter therein, by judgment, order, settlement or conviction, or upon a plea of nolo contendere or its equivalent, shall not (except as otherwise expressly provided in this Agreement) of itself adversely affect the right of Indemnitee to
indemnification or create a presumption that Indemnitee did not act in good faith and in a manner which he reasonably believed to be in or not opposed to the best interests of the Company or, with respect to any criminal Proceeding, that Indemnitee
had reasonable cause to believe that his conduct was unlawful. 
 7.    Remedies of Indemnitee. 

(a)    In the event that (i) a determination is made pursuant to Section 6 of this
Agreement that Indemnitee is not entitled to indemnification under this Agreement, (ii) advancement of Expenses is not timely made pursuant to Section 5 of this Agreement, (iii) no determination of entitlement to
indemnification is made pursuant to Section 6(b) of this Agreement within ninety (90) days after the conclusion of the Proceeding giving rise to the request for indemnification, (iv) payment of indemnification
required by Section 4 is not made pursuant to this Agreement within thirty (30) days after receipt by the Company of a written request therefor or (v) payment of indemnification is not made within ten (10) days after a
determination has been made that Indemnitee is entitled to indemnification or such determination is deemed to have been made pursuant to Section 6 of this Agreement, Indemnitee shall be entitled to an adjudication in Court
of Chancery of the State of Delaware of Indemnitee’s entitlement to such indemnification. Indemnitee shall commence such proceeding seeking an adjudication within one hundred eighty (180) days following the date on which Indemnitee first
has the right to commence such proceeding pursuant to this Section 7(a). The Company shall not oppose Indemnitee’s right to seek any such adjudication. 

(b)    In the event that a determination shall have been made pursuant to Section 6(b) of this
Agreement that Indemnitee is not entitled to indemnification, any judicial proceeding commenced pursuant to this Section 7 shall be conducted in all respects as a de novo trial on the merits, and Indemnitee shall not be
prejudiced by reason of the adverse determination under Section 6(b). 
 (c)    If a
determination shall have been made pursuant to Section 6(b) of this Agreement that Indemnitee is entitled to indemnification, the Company shall be bound by such determination in any judicial proceeding commenced pursuant to
this Section 7, absent (i) a misstatement by Indemnitee of a material fact, or an omission of a material fact necessary to make Indemnitee’s misstatement not materially misleading in connection with the
application for indemnification, or (ii) a prohibition of such indemnification under applicable law. 
 (d)    In
the event that Indemnitee, pursuant to this Section 7, seeks a judicial adjudication of his rights under, or to recover damages for breach of, this Agreement, or to recover under any directors’ and officers’
liability insurance policies maintained by the Company, the Company shall pay on his behalf, in advance, any and all expenses (of the types described in the definition of Expenses in Section 13 of this Agreement) actually
and reasonably incurred by him in such judicial adjudication, regardless of whether Indemnitee ultimately is determined to be entitled to such indemnification, advancement of expenses or insurance recovery. 

  
 8 

 (e)    The Company shall be precluded from asserting in any judicial
proceeding commenced pursuant to this Section 7 that the procedures and presumptions of this Agreement are not valid, binding and enforceable and shall stipulate in any such court that the Company is bound by all the
provisions of this Agreement. The Company shall indemnify Indemnitee against any and all Expenses and, if requested by Indemnitee, shall (within ten (10) days after receipt by the Company of a written request therefore) advance, to the extent
not prohibited by law, such expenses to Indemnitee, which are incurred by Indemnitee in connection with any action brought by Indemnitee for indemnification or advance of Expenses from the Company under this Agreement or under any directors’
and officers’ liability insurance policies maintained by the Company, regardless of whether Indemnitee ultimately is determined to be entitled to such indemnification, advancement of Expenses or insurance recovery, as the case may be. 

(f)    Notwithstanding anything in this Agreement to the contrary, no determination as to entitlement to indemnification
under this Agreement shall be required to be made prior to the final disposition of the Proceeding. 
 8.    Non-Exclusivity; Survival of Rights; Insurance; Primacy of Indemnification; Subrogation. 

(a)    The rights of indemnification as provided by this Agreement shall not be deemed exclusive of any other rights to
which Indemnitee may at any time be entitled under applicable law, the Certificate of Incorporation, the Bylaws, any agreement, a vote of stockholders, a resolution of directors of the Company, or otherwise. No amendment, alteration or repeal of
this Agreement or of any provision hereof shall limit or restrict any right of Indemnitee under this Agreement in respect of any action taken or omitted by such Indemnitee in his Corporate Status prior to such amendment, alteration or repeal. To the
extent that a change in the DGCL, whether by statute or judicial decision, permits greater indemnification than would be afforded currently under the Certificate of Incorporation, Bylaws and this Agreement, it is the intent of the parties hereto
that Indemnitee shall enjoy by this Agreement the greater benefits so afforded by such change. No right or remedy herein conferred is intended to be exclusive of any other right or remedy, and every other right and remedy shall be cumulative and in
addition to every other right and remedy given hereunder or now or hereafter existing at law or in equity or otherwise. The assertion or employment of any right or remedy hereunder, or otherwise, shall not prevent the concurrent assertion or
employment of any other right or remedy. 
 (b)    To the extent that the Company maintains an insurance policy or
policies providing liability insurance for directors, officers, employees, or agents or fiduciaries of the Company or of any other corporation, partnership, joint venture, trust, employee benefit plan or other enterprise that such person serves at
the request of the Company, Indemnitee shall be covered by such policy or policies in accordance with its or their terms to the maximum extent of the coverage available for any director, officer, employee, agent or fiduciary under such policy or
policies. If, at the time of the receipt of a notice of a claim pursuant to the terms hereof, the Company has directors’ and officers’ liability insurance in effect, the Company shall give prompt notice of the commencement of such
proceeding to the insurers in accordance with the procedures set forth in the respective policies. The Company shall thereafter take all necessary or desirable action to cause such insurers to pay, on behalf of the Indemnitee, all amounts payable as
a result of such proceeding in accordance with the terms of such policies. 

  
 9 

 (c)    [The Company hereby acknowledges that Indemnitee has certain
rights to indemnification, advancement of expenses and/or insurance provided by [●] and certain of its affiliates (collectively, the “Fund Indemnitors”). The Company hereby agrees (i) that it is the indemnitor of
first resort (i.e., its obligations to Indemnitee are primary and any obligation of the Fund Indemnitors to advance expenses or to provide indemnification for the same expenses or liabilities incurred by Indemnitee are secondary), (ii) that it shall
be required to advance the full amount of expenses incurred by Indemnitee and shall be liable for the full amount of all Expenses, judgments, penalties, fines and amounts paid in settlement to the extent legally permitted and as required by the
terms of this Agreement and the or Bylaws of the Company (or any other agreement between the Company and Indemnitee), without regard to any rights Indemnitee may have against the Fund Indemnitors, and, (iii) that it irrevocably waives,
relinquishes and releases the Fund Indemnitors from any and all claims against the Fund Indemnitors for contribution, subrogation or any other recovery of any kind in respect thereof. The Company further agrees that no advancement or payment by the
Fund Indemnitors on behalf of Indemnitee with respect to any claim for which Indemnitee has sought indemnification from the Company shall affect the foregoing and the Fund Indemnitors shall have a right of contribution and/or be subrogated to the
extent of such advancement or payment to all of the rights of recovery of Indemnitee against the Company. The Company and Indemnitee agree that the Fund Indemnitors are express third party beneficiaries of the terms of this Section 8(c).] 

(d)    [Except as provided in paragraph (c) above,] in the event of any payment under this Agreement, the Company
shall be subrogated to the extent of such payment to all of the rights of recovery of Indemnitee (other than against the Fund Indemnitors), who shall execute all papers required and take all action necessary to secure such rights, including
execution of such documents as are necessary to enable the Company to bring suit to enforce such rights. 

(e)    [Except as provided in paragraph (c) above,] the Company shall not be liable under this Agreement to make any
payment of amounts otherwise indemnifiable hereunder if and to the extent that Indemnitee has otherwise actually received such payment under any insurance policy, contract, agreement or otherwise. 

(f)    [Except as provided in paragraph (c) above,] the Company’s obligation to indemnify or advance Expenses
hereunder to Indemnitee who is or was serving at the request of the Company as a director, officer, employee or agent of any other corporation, partnership, joint venture, trust, employee benefit plan or other enterprise shall be reduced by any
amount Indemnitee has actually received as indemnification or advancement of expenses from such other corporation, partnership, joint venture, trust, employee benefit plan or other enterprise. 

  
 10 

 9.    Exception to Right of Indemnification. Notwithstanding any
provision in this Agreement, the Company shall not be obligated under this Agreement to make any indemnity in connection with any claim made against Indemnitee: 

(a)    for which payment has actually been made to or on behalf of Indemnitee under any insurance policy or other
indemnity provision, except with respect to any excess beyond the amount paid under any insurance policy or other indemnity provision[, provided, that the foregoing shall not affect the rights of Indemnitee or the Fund Indemnitors set forth in
Section 8(c) above]; or 
 (b)    for an accounting of profits made from the purchase and sale (or sale and
purchase) by Indemnitee of securities of the Company within the meaning of Section 16(b) of the Securities Exchange Act of 1934, as amended, or similar provisions of state statutory law or common law; or 

(c)    in connection with any Proceeding (or any part of any Proceeding) initiated by Indemnitee, including any Proceeding
(or any part of any Proceeding) initiated by Indemnitee against the Company or its directors, officers, employees or other indemnitees, unless (i) the Board authorized the Proceeding (or any part of any Proceeding) prior to its initiation or
(ii) the Company provides the indemnification, in its sole discretion, pursuant to the powers vested in the Company under applicable law. 

10.    Duration of Agreement. All agreements and obligations of the Company contained herein shall continue during
the period Indemnitee is an officer or director of the Company (or is or was serving at the request of the Company as a director, officer, employee or agent of another corporation, partnership, joint venture, trust or other enterprise) and shall
continue thereafter so long as Indemnitee shall be subject to any Proceeding (or any proceeding commenced under Section 7 hereof) by reason of his Corporate Status, whether or not he is acting or serving in any such
capacity at the time any liability or expense is incurred for which indemnification can be provided under this Agreement. This Agreement shall be binding upon and inure to the benefit of and be enforceable by the parties hereto and their respective
successors (including any direct or indirect successor by purchase, merger, consolidation or otherwise to all or substantially all of the business or assets of the Company), assigns, spouses, heirs, executors and personal and legal representatives.

 11.    Security. To the extent requested by Indemnitee and approved by the Board, the Company may at any time
and from time to time provide security to Indemnitee for the Company’s obligations hereunder through an irrevocable bank line of credit, funded trust or other collateral. Any such security, once provided to Indemnitee, may not be revoked or
released without the prior written consent of the Indemnitee. 
 12.    Enforcement. 

(a)    The Company expressly confirms and agrees that it has entered into this Agreement and assumes the obligations
imposed on it hereby in order to induce Indemnitee to serve as an officer or director of the Company, and the Company acknowledges that Indemnitee is relying upon this Agreement in serving as an officer or director of the Company. 

(b)    This Agreement constitutes the entire agreement between the parties hereto with respect to the subject matter
hereof and supersedes all prior agreements and understandings, oral, written and implied, between the parties hereto with respect to the subject matter hereof. 

(c)    The Company shall not seek from a court, or agree to, a “bar order” which would have the effect of
prohibiting or limiting the Indemnitee’s rights to receive advancement of expenses under this Agreement. 

  
 11 

 13.    Definitions. For purposes of this Agreement: 

(a)    “Corporate Status” describes the status of a person who is or was a director, officer,
employee, agent or fiduciary of the Company or of any other corporation, partnership, joint venture, trust, employee benefit plan or other enterprise that such person is or was serving at the express written request of the Company. 

(b)    “Disinterested Director” means a director of the Company who is not and was not a party to
the Proceeding in respect of which indemnification is sought by Indemnitee. 

(c)    “Enterprise” shall mean the Company and any other corporation, partnership, joint venture,
trust, employee benefit plan or other enterprise that Indemnitee is or was serving at the express written request of the Company as a director, officer, employee, agent or fiduciary. 

(d)    “Expenses” shall include all reasonable attorneys’ fees, retainers, court costs,
transcript costs, fees of experts, witness fees, travel expenses, duplicating costs, printing and binding costs, telephone charges, postage, delivery service fees and all other disbursements or expenses of the types customarily incurred in
connection with prosecuting, defending, preparing to prosecute or defend, investigating, participating, or being or preparing to be a witness in a Proceeding, or responding to, or objecting to, a request to provide discovery in any Proceeding.
Expenses also shall include Expenses incurred in connection with any appeal resulting from any Proceeding and any federal, state, local or foreign taxes imposed on the Indemnitee as a result of the actual or deemed receipt of any payments under this
Agreement, including without limitation the premium, security for, and other costs relating to any cost bond, supersede as bond, or other appeal bond or its equivalent. Expenses, however, shall not include amounts paid in settlement by Indemnitee or
the amount of judgments or fines against Indemnitee. 
 (e)    “Independent Counsel” means a law
firm, or a member of a law firm, that is experienced in matters of corporation law and neither presently is, nor in the past five years has been, retained to represent: (i) the Company or Indemnitee in any matter material to either such party
(other than with respect to matters concerning Indemnitee under this Agreement, or of other indemnitees under similar indemnification agreements), or (ii) any other party to the Proceeding giving rise to a claim for indemnification hereunder.
Notwithstanding the foregoing, the term “Independent Counsel” shall not include any person who, under the applicable standards of professional conduct then prevailing, would have a conflict of interest in representing either the Company or
Indemnitee in an action to determine Indemnitee’s rights under this Agreement. The Company agrees to pay the reasonable fees of the Independent Counsel referred to above and to fully indemnify such counsel against any and all Expenses, claims,
liabilities and damages arising out of or relating to this Agreement or its engagement pursuant hereto. 

(f)    “Proceeding” includes any threatened, pending or completed action, suit, arbitration,
alternate dispute resolution mechanism, investigation, inquiry, administrative hearing or any other actual, threatened or completed proceeding, whether brought by or in the right of the Company or otherwise and whether civil, criminal,
administrative or investigative, in which Indemnitee was, is or will be involved as a party or otherwise, by reason of his or her Corporate Status, by reason of any action taken by him or of any inaction on his part while acting in his or her
Corporate Status; in each case whether or not he is acting or serving in any such capacity at the time any liability or expense is incurred for which indemnification can be provided under this Agreement; including one pending on or before the date
of this Agreement, but excluding one initiated by an Indemnitee pursuant to Section 7 of this Agreement to enforce his rights under this Agreement. 

  
 12 

 14.    Severability. The invalidity or unenforceability of any
provision hereof shall in no way affect the validity or enforceability of any other provision. Further, the invalidity or unenforceability of any provision hereof as to either Indemnitee or Appointing Stockholder shall in no way affect the validity
or enforceability of any provision hereof as to the other. Without limiting the generality of the foregoing, this Agreement is intended to confer upon Indemnitee and Appointing Stockholder indemnification rights to the fullest extent permitted by
applicable laws. In the event any provision hereof conflicts with any applicable law, such provision shall be deemed modified, consistent with the aforementioned intent, to the extent necessary to resolve such conflict. 

15.    Modification and Waiver. No supplement, modification, termination or amendment of this Agreement shall be
binding unless executed in writing by both of the parties hereto. No waiver of any of the provisions of this Agreement shall be deemed or shall constitute a waiver of any other provisions hereof (whether or not similar) nor shall such waiver
constitute a continuing waiver. 
 16.    Notice By Indemnitee. Indemnitee agrees promptly to notify the Company
in writing upon being served with or otherwise receiving any summons, citation, subpoena, complaint, indictment, information or other document relating to any Proceeding or matter which may be subject to indemnification covered hereunder. The
failure to so notify the Company shall not relieve the Company of any obligation which it may have to Indemnitee under this Agreement or otherwise unless and only to the extent that such failure or delay materially prejudices the Company. 

17.    Notices. All notices and other communications given or made pursuant to this Agreement shall be in writing
and shall be deemed effectively given: (a) upon personal delivery to the party to be notified, (b) when sent by confirmed electronic mail or facsimile if sent during normal business hours of the recipient, and if not so confirmed, then on
the 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) day after deposit with a nationally recognized overnight courier, specifying next
day delivery, with written verification of receipt. All communications shall be sent: 
 (a)    To Indemnitee at the
address set forth below Indemnitee signature hereto. 
 (b)    To the Company at: 

        Zentalis Pharmaceuticals, Inc. 

        530 Seventh Avenue, Suite 2201 

        New York, NY 10018 

        Attention: General Counsel 

or to such other address as may have been furnished to Indemnitee by the Company or to the Company by Indemnitee, as the case may be. 

  
 13 

 18.    Counterparts. This Agreement may be executed in two 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 any 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. 

19.    Headings. The headings of the paragraphs of this Agreement are inserted for convenience only and shall not
be deemed to constitute part of this Agreement or to affect the construction thereof. 
 20.    Governing Law and
Consent to Jurisdiction. This Agreement and the legal relations among the parties shall be governed by, and construed and enforced in accordance with, the laws of the State of Delaware, without regard to its conflict of laws rules. The Company
and Indemnitee hereby irrevocably and unconditionally (i) agree that any action or proceeding arising out of or in connection with this Agreement shall be brought only in the Chancery Court of the State of Delaware (the “Delaware
Court”), and not in any other state or federal court in the United States of America or any court in any other country, (ii) consent to submit to the exclusive jurisdiction of the Delaware Court for purposes of any action or
proceeding arising out of or in connection with this Agreement, (iii) appoint, to the extent such party is not otherwise subject to service of process in the State of Delaware, irrevocably The Corporation Trust Center, 1209 Orange Street,
Wilmington, DE 19801 as its agent in the State of Delaware as such party’s agent for acceptance of legal process in connection with any such action or proceeding against such party with the same legal force and validity as if served upon such
party personally within the State of Delaware, (iv) waive any objection to the laying of venue of any such action or proceeding in the Delaware Court, and (v) waive, and agree not to plead or to make, any claim that any such action or
proceeding brought in the Delaware Court has been brought in an improper or inconvenient forum. 
 SIGNATURE PAGE TO FOLLOW

  
 14 

 IN WITNESS WHEREOF, the parties hereto have executed this Indemnification Agreement on and
as of the day and year first above written. 
  

					
	ZENTALIS PHARMACEUTICALS, INC.

 
					
		
	By:	 	 
		 	Name:	 	 
		 	Title:	 	 
	
	INDEMNITEE
			
	 	 	 	 	 
	Name:	 	 	 	 
		
	Address:	 	
	 	 	 	 	 
	 	 	 	 	 
	 	 	 	 	 
	 	 	 	 	 

 Indemnification Agreement

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