Document:

EX-10.8

 Exhibit 10.8 

THIS WARRANT AND THE UNDERLYING SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR UNDER THE
SECURITIES LAWS OF ANY STATE. THESE SECURITIES MAY NOT BE OFFERED, SOLD OR OTHERWISE TRANSFERRED, PLEDGED OR HYPOTHECATED EXCEPT AS PERMITTED UNDER THE ACT AND APPLICABLE STATE SECURITIES LAWS IN ACCORDANCE WITH APPLICABLE REGISTRATION REQUIREMENTS
OR AN EXEMPTION THEREFROM. THE ISSUER OF THESE SECURITIES MAY REQUIRE AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE ISSUER THAT SUCH OFFER, SALE, TRANSFER, PLEDGE OR HYPOTHECATION OTHERWISE COMPLIES WITH THE ACT AND ANY APPLICABLE STATE
SECURITIES LAWS. THIS WARRANT MUST BE SURRENDERED TO THE COMPANY AS A CONDITION PRECEDENT TO THE SALE, TRANSFER, PLEDGE OR HYPOTHECATION OF ANY INTEREST IN ANY OF THE SECURITIES REPRESENTED HEREBY. 

WARRANT TO PURCHASE 

COMMON STOCK OF COHBAR, INC. 
 THIS
CERTIFIES THAT, for value received, [NAME OF HOLDER] is entitled to purchase up to an aggregate of One Thousand Nine Hundred Sixteen (1,916) shares of Common Stock (as adjusted from time to time as specified in Section 4, the
“Shares”), of CohBar, Inc., a Delaware corporation (the “Company”) from the Company, at an exercise price of One Dollar and Eighty Three Cents ($1.83) per share (such price and such other price as shall result, from
time to time, from the adjustments specified in Section 4 hereof is herein referred to as the “Warrant Price”), subject to the provisions and upon the terms and conditions hereinafter set forth. As used herein, the term
“Common Stock” shall mean shares of the Company’s Common Stock issuable upon exercise of this Warrant pursuant to Section 2. 

1. Term. This Warrant shall expire and shall no longer be exercisable upon the first to occur of: 

 

	 	(a)	5:00 p.m., pacific time, on the January     , 2019; or 

  

	 	(b)	a Liquidation Event (as defined in the Company’s Certificate of Incorporation, as may be amended from time to time). 

2. Method of Exercise: Payment. Subject to Section 1 hereof, the purchase right represented by this Warrant may be exercised at
any time by the holder hereof in whole or in part, at any time prior to the expiration of the term by surrendering to the Company at its principal office of (a) this Warrant, (b) the notice of exercise form attached hereto as Exhibit
A, duly executed by the Holder and (c) payment to the Company, by check or wire transfer to an account designated by the Company, of an amount equal to the then applicable Warrant Price multiplied by the number of Shares subject to this
Warrant then being purchased from the Company. The person in whose name any certificate representing shares of Common Stock shall be issuable upon exercise of this Warrant shall be deemed to have become the holder of record of, and shall be treated
for all purposes as the record holder of, the shares represented thereby (and such shares shall be deemed to have been issued) immediately prior to the close of business on the date or dates upon which this Warrant is exercised. In the event of any
exercise of the rights represented by this Warrant, certificates for the shares of stock so purchased shall be delivered by the Company to the holder hereof as soon as reasonably practicable and in any event within thirty (30) days after such
exercise. 

 3. Stock Fully Paid. All Shares that may be issued upon the exercise of the rights
represented by this Warrant will, upon issuance pursuant to the terms and conditions herein, be fully paid and nonassessable, and free from all taxes, liens and charges with respect to the issue thereof. 

4. Adjustment of Warrant Price and Number of Shares. The number and kind of securities purchasable upon the exercise of this Warrant
and the Warrant Price shall be subject to adjustment from time to time upon the occurrence of certain events, as follows: 
 (a)
Reclassification or Merger. In case of any reclassification, change or conversion of securities of the class issuable upon exercise of this Warrant (“Warrant Stock”) (including, without limitation, a merger, consolidation or
similar transaction) (a “Significant Event”), the holder of this Warrant shall thereafter be entitled to receive, upon exercise of this Warrant, during the period specified in this Warrant and upon payment of the Warrant Price,
the number of shares of stock or other securities or property of the Company or the successor entity resulting from such Significant Event, to which the holder of such Warrant Stock in such Significant Event would have received if this Warrant had
been fully exercised immediately before that Significant Event. In any such case, appropriate adjustment shall be made in the application of the provisions of this Warrant with respect to the rights and interests of the holder after the Significant
Event to the end that the provisions of this Warrant (including adjustment of the Warrant Price then in effect and the number of shares of Warrant Stock and including this Section 4(a)) shall be applicable after that event, as near as
reasonably may be, in relation to any shares or other property deliverable after that event upon exercise of this Warrant. 
 (b)
Subdivision or Combination of Shares. If the Company at any time while this Warrant remains outstanding and unexpired shall subdivide or combine its outstanding shares of Common Stock, the Warrant Price shall be proportionately decreased in the
case of a subdivision or increased in the case of a combination, effective at the close of business on the date the subdivision or combination becomes effective. When any adjustment is required to be made to the Warrant Price, the number of shares
issuable upon the exercise of this Warrant shall be changed to the number determined by dividing (i) an amount equal to the number of shares issuable upon the exercise of this Warrant immediately prior to such adjustment, multiplied by the
Warrant Price in effect immediately prior to such adjustment, by (ii) the Warrant Price in effect immediately after such adjustment, such that the aggregate purchase price payable for the total number of shares purchasable under this Warrant
(as adjusted) shall remain the same. 
 (c) Stock Dividends and Other Distributions. If the Company at any time while this Warrant is
outstanding and unexpired shall (i) pay a dividend with respect to Common Stock payable in Common Stock, or (ii) make any other distribution with respect to Common Stock (except any distribution specifically provided for in the foregoing
subparagraphs (a) and (b)) then, in each case for the purpose of this Section 4(c), upon exercise of this Warrant the holder hereof shall be entitled to a proportionate share of any such distribution as though such holder was the holder of
the number of shares of Common Stock of the Company into which this Warrant may be exercised as of the record date fixed for the determination of the holders of Common Stock of the Company entitled to receive such distribution. 

5. Fractional Shares. No fractional shares of Common Stock will be issued in connection with any exercise hereunder, but in lieu of
such fractional shares, the Company shall make a cash payment therefor based on the fair market value of the Common Stock on the date of exercise. 

6. Compliance with Securities Act. 

(a) Compliance with Securities Act. The holder of this Warrant, by acceptance hereof, agrees that this Warrant, and the shares of
Common Stock to be issued upon exercise hereof are 

  
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being acquired for investment and that such holder will not offer, sell or otherwise dispose of this Warrant, or any shares of Common Stock to be issued upon exercise hereof, except under
circumstances that will not result in a violation of the Securities Act of 1933, as amended (the “Act”). Upon exercise of this Warrant, unless the Shares being acquired are registered under the Act or an exemption from such
registration is available, the holder hereof shall confirm in writing, by executing the form attached as Schedule 1 to Exhibit A hereto, that the shares of Common Stock so purchased are being acquired for investment and not
with a view toward distribution or resale. This Warrant and all shares of Common Stock issued upon exercise of this Warrant (unless registered under the Act) shall be stamped or imprinted with a legend in substantially the following form: 

THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR
UNDER THE SECURITIES LAWS OF CERTAIN STATES. THESE SECURITIES MAY NOT BE OFFERED, SOLD OR OTHERWISE TRANSFERRED, PLEDGED OR HYPOTHECATED EXCEPT AS PERMITTED UNDER THE ACT AND APPLICABLE STATE SECURITIES LAWS PURSUANT TO REGISTRATION OR AN EXEMPTION
THEREFROM. THE ISSUER OF THESE SECURITIES MAY REQUIRE AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE ISSUER THAT SUCH OFFER, SALE OR TRANSFER, PLEDGE OR HYPOTHECATION OTHERWISE COMPLIES WITH THE ACT AND ANY APPLICABLE STATE SECURITIES LAWS.

 In addition, in connection with the issuance of this Warrant, the holder specifically represents to the Company by acceptance of this
Warrant as follows: 
 (1) The holder is aware of the Company’s business affairs and financial condition, and has acquired information
about the Company sufficient to reach an informed and knowledgeable decision to acquire this Warrant. The holder is acquiring this Warrant for its own account for investment purposes only and not with a view to, or for the resale in connection with,
any “distribution” thereof for purposes of the Act. 
 (2) The holder understands that this Warrant and any securities issuable
upon the exercise hereof have not been registered under the Act in reliance upon a specific exemption therefrom, which exemption depends upon, among other things, the bona fide nature of the holder’s investment intent as expressed herein. In
this connection, the holder understands that, in the view of the Securities and Exchange Commission (the “SEC”), the statutory basis for such exemption may be unavailable if the holder’s representation was predicated solely
upon a present intention to hold the Warrant for the minimum capital gains period specified under tax statutes, for a deferred sale, for or until an increase or decrease in the market price of the Warrant, or for a period of one year or any other
fixed period in the future. 
 (3) The holder further understands that this Warrant and any securities issuable upon the exercise hereof
must be held indefinitely unless subsequently registered under the Act and any applicable state securities laws, or unless exemptions from registration are otherwise available. Moreover, the holder understands that the Company is under no obligation
hereunder to register this Warrant and any securities issuable upon the exercise hereof. 
 (b) Disposition of Warrant or Shares.
With respect to any offer, sale or other disposition of this Warrant or any shares of Common Stock acquired pursuant to the exercise of this Warrant, in each case prior to registration of such Warrant or shares, the holder hereof and each

  
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subsequent holder of this Warrant agrees to give written notice to the Company prior thereto, describing in sufficient detail the manner thereof, together with a written opinion of such
holder’s counsel (or other evidence of compliance reasonably satisfactory to the Company), if reasonably requested by the Company, to the effect that such offer, sale or other disposition may be effected without registration or qualification
(under the Act as then in effect or any federal or state law then in effect) of this Warrant or such shares of Common Stock and indicating whether or not under the Act certificates for this Warrant or such shares of Common Stock to be sold or
otherwise disposed of require any restrictive legend as to applicable restrictions on transferability in order to ensure compliance with such laws. Promptly upon receiving such written notice and reasonably satisfactory opinion (or other evidence of
compliance), if so requested, the Company, as promptly as practicable, shall notify such holder that such holder may sell or otherwise dispose of this Warrant or such shares of Common Stock all in accordance with the terms of the notice delivered to
the Company. Notwithstanding the foregoing, at any time that the Common Stock is publicly traded, such Common Stock may, as to such federal laws, be offered, sold or otherwise disposed of in accordance with Rule 144 under the Act, provided that the
Company shall have been furnished with such information as the Company and counsel to the Company may reasonably request to provide assurance that the provisions of Rule 144 have been satisfied. Each certificate representing this Warrant or the
shares of Common Stock transferred shall bear a legend as to the applicable restrictions on transferability in order to ensure compliance with such laws, unless in the aforesaid opinion of counsel for the holder, such legend is not required in order
to ensure compliance with such laws. The Company may issue stop transfer instructions to its transfer agent in connection with such restrictions. 

7. No Rights as a Stockholder. No holder of this Warrant, as such, shall be entitled to vote or receive dividends or be deemed the
holder of Common Stock or any other securities of the Company which may at any time be issuable on the exercise hereof for any purpose, nor shall anything contained herein be construed to confer upon the holder of this Warrant, as such, any of the
rights of a stockholder of the Company or any right to vote for the election of directors or upon any matter submitted to stockholders at any meeting thereof, or to receive notice of meetings, or to receive dividends or subscription rights or
otherwise until this Warrant shall have been exercised and the Shares purchasable upon the exercise hereof shall have become deliverable, as provided herein. 

8. Modification and Waiver. This Warrant and any provision hereof may be changed, waived, discharged or terminated only by an
instrument in writing signed by the Company and the registered holder of this Warrant. 
 9. Notices. Any notice, request,
communication or other document required or permitted to be given or delivered to the holder hereof or the Company shall be delivered, or shall be sent by certified or registered mail, postage prepaid, to the holder at its address as shown on the
books of the Company or to the Company at the Company’s principal corporate address. 
 10. Market Stand-off Agreement. The
holder of this Warrant shall not sell or otherwise transfer, make any short sale of, grant any option for the purchase of, or enter into any hedging or similar transaction with the same economic effect as a sale, of any Common Stock (or other
securities) of the Company held by such holder (other than those included in the registration) during the one hundred and eighty (180) day period following the effective date of the registration statement for the Company’s initial public
offering filed under the Act (or such other period as may be requested by the Company or an underwriter to accommodate regulatory restrictions on (i) the publication or other distribution of research reports, and (ii) analyst
recommendations and opinions, including, but not limited to, the restrictions contained in NASD Rule 2711(f)(4) or NYSE Rule 472(f)(4), or any successor provisions or amendments thereto). The obligations described in this Section 10 shall not
apply to a registration relating solely to employee benefit plans on Form S-l or Form S-8 or similar forms that may be promulgated in the future, or a registration relating solely to a transaction on Form S-4 or similar forms that may be promulgated
in 

  
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the future. The Company may impose stop-transfer instructions and may stamp each such certificate with the appropriate legend with respect to the shares of Common Stock (or other securities)
subject to the foregoing restriction until the end of such one hundred and eighty (180) day (or other) period. 
 11. Descriptive
Headings. The descriptive headings of the several paragraphs of this Warrant are inserted for convenience only and do not constitute a part of this Warrant. 

12. Governing Law. This Warrant shall be construed and enforced in accordance with, and the rights of the parties shall be governed by,
the laws of the State of Delaware. 
 [The Remainder of this Page Intentionally left Blank.] 

  
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 This Warrant was issued by the Company and the terms hereof were accepted by the holder of this
Warrant as of                     , 2014. 
  

					
		 	COMPANY:
		
		 	COHBAR, INC., a Delaware corporation
		
	By: 	 	 
		 	Jon Stern
		 	Chief Executive Officer
		
		 	HOLDER:
		
		 	 
		 	Signature
		
		 	Print/Type Name: [NAME OF HOLDER]
			
		 	Address: 	 	 
		 	 
		 	 

  
 [Signature Page to
Warrant] 

 EXHIBIT A 

NOTICE OF EXERCISE 
 CohBar, Inc. 

2265 East Foothill Boulevard 
 Pasadena, CA 91107 

Attention: Chief Executive Officer 
 The
undersigned hereby elects to exercise this Warrant as to shares of Common Stock of CohBar, Inc., a Delaware corporation (the “Company”) pursuant to the terms of the attached Warrant, and tenders herewith payment of the purchase
price of such shares to the Company. The purchase price is being paid by (check one): 
  ̈
(i) Check; or 
  ̈ (ii) Wire Transfer 

Investment Representation Statement. The undersigned has executed, and delivers herewith, an Investment Representation Statement in the
form attached hereto as Exhibit A-1. 
 Please issue a certificate or certificates representing said shares in the name of the
undersigned. 
  

			
	
	 
	(Signature)	 	
		
	Print Name:	 	 

  

			
	Address:	 	 
	 
	 

  

	
	
	   

	(Date)

  
 Exhibit A 

 EXHIBIT A-1 

INVESTMENT REPRESENTATION STATEMENT 
  

					
	INVESTOR:	  		  	
			
	COMPANY:	  	COHBAR, INC.	  	
		
	SECURITIES:	  	Common Stock Issuable under Warrant dated                     , 20    .
			
	DATE:	  	 	  	

 In connection with the purchase of the above-listed Securities, the undersigned Investor represents and
warrants to, and agrees with, the Company as follows: 
 1. No Registration. The Investor understands that the Securities have not
been, and will not be, registered under the Securities Act of 1933, as amended (the “Securities Act”), by reason of a specific exemption from the registration provisions of the Securities Act, the availability of which depends upon,
among other things, the bona fide nature of the investment intent and the accuracy of the Investor’s representations as expressed herein or otherwise made pursuant hereto. 

2. Investment Intent. The Investor is acquiring the Securities for investment for its own account, not as a nominee or agent, and not
with a view to, or for resale in connection with, any distribution thereof. The Investor has no present intention of selling, granting any participation in, or otherwise distributing the Securities, nor does it have any contract, undertaking,
agreement or arrangement for the same. 
 3. Investment Experience. The Investor has substantial experience in evaluating and
investing in private placement transactions of securities in companies similar to the Company, and has such knowledge and experience in financial or business matters so that it is capable of evaluating the merits and risks of its investment in the
Company and protecting its own interests. 
 4. Speculative Nature of Investment. The Investor understands and acknowledges that the
Company has a limited financial and operating history and that its investment in the Company is highly speculative and involves substantial risks. The Investor can bear the economic risk of its investment and is able, without impairing its financial
condition, to hold the Securities for an indefinite period of time and to suffer a complete loss of its investment. 
 5. Access to
Data. The Investor has had an opportunity to ask questions of officers of the Company, which questions were answered to its satisfaction. The Investor believes that it has received all the information that it considers necessary or appropriate
for deciding whether to acquire the Securities. The Investor understands that any such discussions, as well as any information issued by the Company, were intended to describe certain aspects of the Company’s business and prospects, but were
not necessarily a thorough or exhaustive description. The Investor acknowledges that any business plans prepared by the Company have been, and continue to be, subject to change and that any projections included in such business plans or otherwise
are necessarily speculative in nature, and it can be expected that some or all of the assumptions underlying the projections will not materialize or will vary significantly from actual results. 

6. Accredited Investor. The Investor is an “accredited investor” within the meaning of Regulation D, Rule 501(a), promulgated
by the Securities and Exchange Commission and agrees to submit to the Company such further assurances of such status as may be reasonably requested by the Company. 

  
 Exhibit A-1 

 7. Residency. The residency of the Investor (or, in the case of a partnership or
corporation, such entity’s principal place of business) is correctly set forth on the signature page hereto. 
 8. Brokers and
Finders. The Investor has not engaged any brokers, finders or agents in connection with the Securities, and the Company has not incurred nor will incur, directly or indirectly, as a result of any action taken by the Investor, any liability for
brokerage or finders’ fees or agents’ commissions or any similar charges in connection with the Securities. 
 The Investor is
signing this Investment Representation Statement on the date first written above. 
  

	
	INVESTOR:
	
	   

	Print Name of Investor
	
	   

	Signature
	
	   

	(Name and Title of Signatory, if Applicable)
	
	   

	(Address)

  
 Exhibit A-2EX-10.9

 Exhibit 10.9 

UNLESS PERMITTED UNDER SECURITIES LEGISLATION, THE HOLDER OF THIS SECURITY MUST NOT TRADE THE SECURITY, OR ANY SECURITIES OBTAINED UPON EXERCISE BY THE
COMPANY OF THE PUT RIGHT, AS DEFINED BELOW. BEFORE THE DATE THAT IS 4 MONTHS AND A DAY AFTER THE LATER OF: (I) APRIL 11, 2014, AND (II) THE DATE THE ISSUER BECAME A REPORTING ISSUER IN ANY PROVINCE OR TERRITORY OF CANADA 

PUT AGREEMENT 
 This Put
Agreement (this “Agreement”) is made and entered into effective as of April 11, 2014, by and between Cohbar, Inc., a Delaware corporation (the “Company”) and
— (hereinafter, the “Subscriber”). 
 WHEREAS, the Subscriber
and the Company are party to that certain Series B Preferred Stock Purchase Agreement, dated as of April 11, 2014, among the Company, the Subscriber and the other Investors party thereto (the “Series B Purchase
Agreement”); 
 WHEREAS, in connection with the transactions contemplated by the Series B Purchase Agreement the parties wish
to agree that, upon the terms and subject to the conditions contained herein, Subscriber shall invest up to — to purchase Put Securities (as such term is defined herein), upon the Company’s
election during the Exercise Period referred to below; 
 NOW, THEREFORE, in consideration of the foregoing recitals which shall be
considered an integral part of this Agreement, the covenants and agreements set forth hereafter, and other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the Company and Subscriber hereby agree as
follows: 
 ARTICLE 1 – DEFINITIONS 

As used in this Agreement, the following terms shall have the following meanings specified or indicated below, and such meanings shall be
equally applicable to the singular and plural forms of such defined terms: 
 “Agreement” means this Put Agreement. 

“Change of Control” means the occurrence of any of the following events: 

(i) Any “person” (as such term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the “beneficial owner” (as
defined in Rule 13d-3 of the Exchange Act), directly or indirectly, of securities of the Company representing fifty percent (50%) or more of the total voting power represented by the Company’s then outstanding voting securities, except
that any change in the beneficial ownership of the securities of the Company as a result of a capital raising transaction that is approved by the Company’s Board of Directors, shall not constitute a Change in Control; or 

(ii) The consummation of the sale or disposition by the Company of all or substantially all of the Company’s assets; or 

  
 1 

 (iii) The consummation of a merger or consolidation of the Company with any other corporation,
other than a merger or consolidation which would result in the voting securities of the Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities of the
surviving entity or its parent) at least fifty percent (50%) of the total voting power represented by the voting securities of the Company or such surviving entity or its parent outstanding immediately after such merger or consolidation
(provided that the sale by the Company of its securities for the purposes of raising capital in a transaction approved by the Company’s Board of Directors shall not constitute a Change of Control hereunder). 

“Common Stock” means the Company’s common stock, $0.001 par value per share. 

“Dollar” or “$” means the currency of the United States of America. 

“Exchange Act” means the United States Securities Exchange Act of 1934, as amended. 

“Exercise Period” means the period beginning on the date of the Company first submits an IPO Registration Statement for
review by the U.S. SEC and ending on the earlier of (i) the day that is 21 days prior to the effective date of the IPO Registration Statement or (ii) the Expiration Date. 

“Expiration Date” means the earlier to occur of (i) April 11, 2017 or (ii) a Change of Control. 

“IPO” means an initial public offering of the Company’s IPO Securities pursuant to an effective registration statement
under the Securities Act. 
 “IPO Registration Statement” means the Securities Act registration statement which must be
filed by the Company in connection with the IPO. 
 “IPO Securities” means shares of Common Stock, together with any IPO
Warrants, sold to the public pursuant to the effective IPO Registration Statement. 
 “IPO Warrants” means any stock
purchase warrants offered to the public in combination with Common Stock pursuant to the IPO Registration Statement. 
 “Principal
Market” means any NASDAQ stock market, the Toronto Stock Exchange, the TSX Venture Exchange, the OTC Bulletin Board, or any other source of quotation agreed to in writing by the parties from time to time. 

“Purchase Price” means an amount per Put Security equal to the price per IPO Security paid by the investors in the IPO for
the IPO Securities. 
 “Put Securities” means securities having terms identical to the IPO Securities to be issued to the
Subscriber pursuant to the terms hereof without registration under the Securities Act pursuant to an exemption from such registration requirements. 

“Put Warrants” means stock purchase warrants having terms identical to any IPO Warrants to be issued to the Subscriber
pursuant to the terms hereof as a component of the Put Securities without registration under the Securities Act pursuant to an exemption from such registration requirements. 

“Put Warrant Shares” means the Common Stock issuable upon exercise of the Put Warrants. 

  
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 “Securities Act” means the United States Securities Act of 1933, as amended.

 “U.S. SEC” means the United States Securities and Exchange Commission. 

ARTICLE 2 – PURCHASE AND SALE OF PUT SECURITIES 

Section 2.1. Company Put Right. Subject to the terms and conditions set forth herein, the Company shall have the right and option
(the “Put Right”) to issue and sell to Subscriber, and Subscriber shall purchase from the Company in accordance with the provisions of this Article 2, up to that number of Put Securities having an aggregate Purchase Price of — Dollars (USD $—) (the “Commitment Amount”)1. The closing of the purchase and
sale of the Put Securities sold hereunder (the “Put Closing”) shall be subject to and contingent upon the closing of the IPO (the “IPO Closing”). 

Section 2.2. Exercise of Put. The Company may exercise the Put Right, in whole or in part, by delivery of a notice (the
“Put Notice”) to the Subscriber during the Exercise Period. The Put Notice shall set forth (i) the amount to be paid by the Subscriber, not to exceed the Commitment Amount, for the Put Securities subject to the Put Notice (the
“Subscription Amount”), (ii) the Purchase Price for each Put Security to be issued to the Subscriber (which shall be equal to the price paid by investors for the IPO Securities) and (iii) the total number of Put Securities
the Company shall issue to Subscriber against payment of the Subscription Amount. The Put Notice shall be in the form attached hereto as Exhibit A, which is incorporated herein and shall include sufficient detail to enable deposit by the
Subscriber of the Subscription Amount to the Escrow Account (as defined below) in accordance with this Article 2. Upon delivery of such a Put Notice and conditional on the IPO Closing, Subscriber shall be obligated to purchase the number of Put
Securities stated in the Put Notice on the terms stated therein and herein. 
 Section 2.3. Escrow Deposit. 

(a) Prior to delivery of the Put Notice the Company shall engage an independent third party to act as escrow agent (the “Escrow
Agent”) for the purpose of receiving deposit of the Subscription Amount from the Subscriber following delivery of the Put Notice and holding such funds in a segregated account (the “Escrow Account”) for distribution in
accordance with the terms hereof. The Subscriber hereby agrees to execute such additional agreements and certificates, and shall furnish such identification and other information as may be reasonably requested by the Company or the Escrow Agent in
connection with the establishment of the Escrow Account, the deposit and release of the Escrow Funds, and the completion of the transactions contemplated by this Agreement pursuant to its terms. 

(b) Not later than 15 calendar days following delivery of the Put Notice the Subscriber shall deposit with the Escrow Agent, by wire
transfer or other delivery of immediately available funds in accordance with the instructions set forth in the Put Notice, cash in an amount equal to the Subscription Amount specified in the Put Notice (the “Escrow Deposit”). 

(c) Any failure by the Subscriber to make the Escrow Deposit within such 15 calendar day period shall result in the application of a
conversion rate adjustment to the shares of Series B Preferred Stock held by the Subscriber in accordance with the Company’s Amended and Restated Certificate of Incorporation (the “Conversion Rate Adjustment”) 

 
  

	1 	Note: Commitment Amount will be equal the aggregate purchase price paid by the investor for Series B Preferred Shares. 

  
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 Section 2.4. Conditions to Escrow Release; Closing. The Escrow Deposit shall be
released from the Escrow Account: 
 (a) upon the IPO Closing, to the Company as directed by the Company in written instructions
delivered to the Escrow Agent; 
 (b) if the IPO Closing has not occurred on or prior to the Expiration Date, to the Subscriber, as
directed by the Subscriber in written instructions delivered to the Escrow Agent; or 
 (c) as set forth in joint written
instructions delivered to the Escrow Agent and signed by the Subscriber and the Company. 
 Section 2.5. Issuance of Put
Securities. As promptly as practicable following the date on which the Company receives the Subscription Amount for the Put Right exercised under this Agreement (the “Put Closing Date”), the Company shall issue (or cause its
registrar and transfer agent to issue) the number of Put Securities set forth in the Put Notice. 
 Section 2.6 No Agreement or
Assurance. The Subscriber understands and agrees that the Company makes no agreement and gives no assurance whatsoever that any IPO Registration Statement will be filed or become effective, that any IPO will be completed, or that any of the
Company’s securities will become listed or quoted on any Principal Market or other stock exchange or quotation system. 
 ARTICLE 3
– REPRESENTATIONS AND WARRANTIES 
 Section 3.1. Representations and Warranties of the Company. The Company represents
and warrants to, and agrees with, Subscriber that the following are true as of the date hereof and as of the Put Closing Date: 
 (a)
Organization and Corporate Power. The Company is a corporation duly organized and validly existing and in good standing under the laws of the State of Delaware and has all requisite corporate power and authority to carry on its business as now
conducted and as currently proposed to be conducted. 
 (b) Conflict with Other Instruments. The execution and delivery by the
Company of this Agreement and the performance by the Company of its obligations thereunder, do not and will not: (i) conflict with or result in a breach of any of the terms, conditions or provisions of: (A) the Certificate of Incorporation
or Bylaws of the Company; (B) any law applicable to or binding on the Company; or (C) any contractual restriction binding on or affecting the Company or its properties the breach of which would have a material adverse effect on the
Company; or (ii) result in, or require or permit: (A) the imposition of any lien on or with respect to the properties now owned or hereafter acquired by the Company; or (B) the acceleration of the maturity of any debt of the Company,
under any contractual provision binding on or affecting the Company. 
 (c) Consents, Official Body Approvals. No consent, approval,
order or authorization of, or registration, qualification, designation, declaration or filing with, any federal, state or local governmental authority on the part of the Company is required in connection with the consummation of the transactions
contemplated by this Agreement, except for the filing of notices of the sale of Put Securities as may be required under the Securities Act and applicable state securities laws, which filings will be effected in accordance with such laws unless the
Company’s Board of Directors determines such filings not to be necessary due to another available exemption. 

  
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 (d) Execution of Binding Obligation. This Agreement has been duly executed and delivered
by the Company and constitutes a legal, valid and binding obligation of the Company, enforceable against the Company, in accordance with its terms. 

(e) No Litigation. There are no actions, suits or proceedings pending or, to the knowledge of the Company, after due inquiry,
threatened against or affecting the Company (nor, to the knowledge of the Company, after due inquiry, any basis therefor) before any official body having jurisdiction over the Company which purport to or do challenge the validity or propriety of the
transactions contemplated by this Agreement, which if adversely determined could reasonably be expected to have a material adverse effect on the Company. 

(f) Valid Issuance of Securities. The Put Securities to be purchased by the Subscriber hereunder will be validly issued, fully paid and
nonassessable, and will be free of restrictions on transfer other than restrictions contemplated by the Related Agreements (as such term is defined in the Series B Purchase Agreement) and under applicable state, Canadian provincial and U.S. federal
securities laws. Any Put Warrant Shares, have been, or will be prior to the Put Closing, validly reserved for issuance and, upon issuance in accordance with the terms of the Put Warrants, will be validly issued, fully paid and nonassessable, and
will be free of restrictions on transfer other than restrictions under the Related Agreements and under applicable state and federal securities laws. 

Section 3.2. Representations and Warranties of Subscriber. Subscriber represents and warrants to, and agrees with, the Company
that the following are true as of the date hereof and as of the date hereof and as of the Put Closing Date: 
 (a) Execution of Binding
Obligation. This Agreement has been duly executed and delivered by Subscriber constitutes the legal, valid and binding obligation of Subscriber, enforceable against Subscriber, in accordance with its terms. 

(b) Trading Activities. Subscriber’s trading activities with respect to the Company’s securities shall be conducted in
compliance with all applicable U.S. federal and state and Canadian provincial securities laws, rules and regulations and the rules and regulations of any Principal Market on which the Company’s securities may become listed or quoted. Subscriber
acknowledges and agrees that the Put Securities are subject to the “Market Standoff” provisions included in the Investor Rights Agreement by and among the Company, the Subscriber and the other parties thereto and dated on or about the date
hereof, as amended from time to time. 
 (c) Brokers. No broker or finder has acted for Subscriber in connection with this Agreement
or the transactions contemplated thereby, and no broker or finder is entitled to any brokerage or finder’s fees or other commission in respect of such transactions based in any way on agreements, arrangements or understandings made by or on
behalf of Subscriber. 

  
 5 

 (d) Investment Representations. Subscriber further represents and warrants as follows as
of the date hereof and as of date of acquisition of the Put Securities pursuant to the terms hereof: 
 (i) The Subscriber is an
“accredited investor” as defined in Rule 501 under the Securities Act. The Subscriber has substantial experience in evaluating and investing in private offerings of equity securities in companies similar to the Company, such that the
Subscriber is capable of evaluating the merits and risks of the Subscriber’s investment in the Company and has the capacity to protect the Subscriber’s own interests with respect thereto. 

(ii) The Subscriber is entering the Put Agreement and acquiring the Put Securities for investment for the Subscriber’s own account, not
as a nominee or agent, and not with the view to, or for resale in connection with, any distribution of the Put Securities. The Subscriber understands that the Put Securities, including any Put Warrants and Put Warrant Shares, have not been, and will
not be, registered under the Securities Act by reason of a specific exemption from the registration provisions thereof, the availability of which depends upon, among other things, the bona fide nature of Subscriber’s investment intent and the
accuracy of Subscriber’s representations and warranties herein. 
 (iii) The representations, warranties and covenants of Subscriber
herein are made with the intent that they be relied upon by the Company in determining the eligibility of a purchaser of the Put Securities, and Subscriber agrees to indemnify the Company and its respective trustees, affiliates, shareholders,
directors, officers, partners, employees, advisors and agents against all losses, claims, costs, expenses and damages or liabilities which any of them may suffer or incur which are caused or arise from a breach thereof. Subscriber undertakes to
immediately notify the Company in writing of any change in any statement or other information relating to Subscriber set forth herein. Subscriber agrees to timely make all filings required to be made by it under the Securities Act or any other
applicable laws. 
 (iv) The Subscriber acknowledges that the Put Securities and any Put Warrant Shares must be held indefinitely, unless
subsequently registered under the Securities Act or unless an exemption from such registration is available. The Subscriber is aware of the provisions of Rule 144 under the Securities Act which permits limited resale of securities purchased in
private offerings, subject to the satisfaction of certain conditions, including without limitation the existence of a public market for the securities, the availability of certain current public information about the issuer, the resale occurring not
less than one year after a party has purchased and paid for the securities to be sold, the sale being effected through a “broker’s transaction” or in transactions directly with a “market maker” and the number of securities
being sold during any three-month period not exceeding specified limitations. The Subscriber acknowledges and understands that the Company may not be satisfying the current public information requirement of Rule 144 at the time such Subscriber
wishes to sell any Put Security or Put Warrant Share, and that, in such event, such Subscriber may be precluded from selling such security, even if the one-year minimum holding period of Rule 144 has been satisfied. 

  
 6 

 (v) The Subscriber acknowledges that neither any Put Warrants nor the Put Warrant Shares
issuable upon exercise thereof have been or will be registered under the Securities Act or under the laws of any state of the United States. The Subscriber further acknowledges that any Put Warrants issued to the Subscriber pursuant to the terms
hereof may only be exercised by or on behalf of a holder who, at the time of exercise, either: 
 (1) provides written certification that
(A) at the time of exercise it is not within the United States and (B) it is not exercising any of the Put Warrants represented by or on behalf of any person within the United States; or 

(2) provides a written opinion of counsel, in a form acceptable to the Company, acting reasonably, that the Put Warrant Shares to be
delivered upon exercise of the Put Warrants are exempt from such registration requirements under the US Securities Act and the securities laws of all applicable states of the United States. 

(vi) The Subscriber understands that certificates representing the Put Securities, the Put Warrants and the Put Warrant Shares will be
endorsed with any legend required by the laws of any state or foreign jurisdiction, the rules of any Principal Market, and the requirements of any Related Agreement (as such term is defined in the Series B Purchase Agreement). The Subscriber further
acknowledges that until such time as the same is no longer required under the applicable requirements of the Securities Act and the securities laws of all applicable states of the United States: 

(1) A Legend in substantially the following form shall be appended to the certificate representing the shares of Common Stock included in the
Put Securities: 
 “THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. THEY MAY NOT BE SOLD,
OFFERED FOR SALE, PLEDGED OR HYPOTHECATED IN THE ABSENCE OF A REGISTRATION STATEMENT IN EFFECT WITH RESPECT TO THE SECURITIES UNDER SUCH ACT OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED.” 

“DELIVERY OF THIS CERTIFICATE MAY NOT CONSTITUTE “GOOD DELIVERY” IN SETTLEMENT OF TRANSACTIONS ON STOCK EXCHANGES IN
CANADA.” 
 (2) A legend in substantially the following form shall be appended to the certificates evidencing the Put Warrant: 

THIS WARRANT AND THE SECURITIES DELIVERABLE UPON ITS EXERCISE HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS
AMENDED (THE “U.S. SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE OF THE UNITED STATES. THE HOLDER HEREOF, BY PURCHASING SUCH SECURITIES, AGREES FOR THE BENEFIT OF THE COMPANY THAT SUCH SECURITIES MAY BE OFFERED, SOLD OR OTHERWISE
TRANSFERRED ONLY (A) TO THE COMPANY; (B) OUTSIDE THE UNITED STATES IN ACCORDANCE WITH RULE 904 OF REGULATION S UNDER THE U.S. SECURITIES ACT; (C) IN ACCORDANCE WITH THE EXEMPTION FROM REGISTRATION UNDER THE U.S. SECURITIES ACT
PROVIDED BY RULE 144 THEREUNDER, IF AVAILABLE, AND IN COMPLIANCE WITH ANY APPLICABLE STATE SECURITIES LAWS; OR (D) IN A TRANSACTION THAT DOES NOT REQUIRE REGISTRATION UNDER THE U.S. SECURITIES ACT AND ANY APPLICABLE STATE

  
 7 

 
SECURITIES LAWS, AND, IN THE CASE OF PARAGRAPH (C) OR (D), THE SELLER FURNISHES TO THE COMPANY AN OPINION OF COUNSEL OF RECOGNIZED STANDING IN FORM AND SUBSTANCE SATISFACTORY TO THE COMPANY
TO SUCH EFFECT. 
 THIS WARRANT MAY NOT BE EXERCISED IN THE UNITED STATES OR BY OR ON BEHALF OF A PERSON IN THE UNITED STATES OR A U.S.
PERSON UNLESS THE WARRANT AND THE WARRANT SHARES HAVE BEEN REGISTERED UNDER THE SECURITIES ACT AND THE APPLICABLE SECURITIES LEGISLATION OF ANY SUCH STATE OR AN EXEMPTION FROM SUCH REGISTRATION REQUIREMENTS IS AVAILABLE. “UNITED STATES”
AND “U.S. PERSON” ARE AS DEFINED BY REGULATION S UNDER THE SECURITIES ACT.”; 
 (3) A legend in substantially the following
form will be appended to the certificate evidencing the Put Warrant Shares: 
 “THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN AND
WILL NOT BE REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE “1933 ACT”). THESE SECURITIES MAY BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED ONLY (A) TO THE COMPANY, (B) OUTSIDE THE UNITED STATES IN
COMPLIANCE WITH RULE 904 OF REGULATION S UNDER THE 1933 ACT, (C) IN COMPLIANCE WITH THE EXEMPTION FROM THE REGISTRATION REQUIREMENTS UNDER THE 1933 ACT PROVIDED BY RULE 144 THEREUNDER, IF AVAILABLE, AND IN ACCORDANCE WITH APPLICABLE STATE
SECURITIES LAWS, OR (D) IN A TRANSACTION THAT DOES NOT REQUIRE REGISTRATION UNDER THE 1933 ACT OR ANY APPLICABLE STATE LAWS, AND THE HOLDER HAS, PRIOR TO SUCH SALE, FURNISHED TO THE COMPANY AN OPINION OF COUNSEL OR OTHER EVIDENCE OF EXEMPTION,
IN EITHER CASE REASONABLY SATISFACTORY TO THE COMPANY. 
 ANY HEDGING TRANSACTIONS INVOLVING THESE SECURITIES MUST COMPLY WITH THE
REQUIREMENTS OF THE U.S. SECURITIES ACT. 
 DELIVERY OF THIS CERTIFICATE MAY NOT CONSTITUTE “GOOD DELIVERY” IN SETTLEMENT OF
TRANSACTIONS ON STOCK EXCHANGES IN CANADA.” 
 ARTICLE 4 – MISCELLANEOUS 

Section 4.1. Notices. All notices, requests, demands, consents, instructions or other communications required or permitted
hereunder shall in writing and faxed, mailed or delivered to each party as follows: (i) if to the Subscriber, at the Subscriber’s address, e-mail or facsimile number set forth on the signature page hereto, or at such other address as such
Subscriber shall have furnished the Company in writing, or (ii) if to the Company at: CohBar, Inc., 2265 East Foothill Boulevard, Pasadena, CA 91107, Attention: Chief Executive Officer, or at such other address or facsimile number as the
Company shall have furnished to the Subscriber in writing, with a copy to Garvey Schubert Barer, 1191 Second Avenue, Suite 1800, Seattle, Washington 98101, Attention: Peter B. Cancelmo (which copy shall not constitute notice). All such notices

  
 8 

 
and communications will be deemed effectively given the earlier of (i) when received, (ii) when delivered personally, (iii) one (1) business day after being delivered by
facsimile (with receipt of appropriate confirmation) or by email, (iv) one (1) business day after being deposited with an overnight courier service of recognized standing or (v) four (4) days after being deposited in the U.S.
mail, first class with postage prepaid. 
 Section 4.2. No Waiver; Remedies. No failure on the part of Subscriber or the Company
to exercise, and no delay in exercising, any right under this Agreement shall operate as a waiver thereof. The remedies herein provided are cumulative and not exclusive of any remedies provided by applicable law, except that the Conversion Rate
Adjustment shall be the Company’s exclusive remedy for any failure by the Subscriber to make the Escrow Deposit and purchase the Put Securities pursuant to the terms hereof. 

Section 4.3. Entire Agreement; Successors and Assigns. This Agreement represents the entire agreement of the parties hereto
relating to the subject matter hereof and there are no representations, covenants or other agreements relating to the subject matter hereof except as stated or referred to herein. This Agreement shall inure to the benefit of and bind the parties
hereto and their respective successors and assigns. The Company shall not have the right to assign its rights hereunder or any interest herein without the prior written consent of Subscriber. Subscriber may not sell, transfer, assign, participate,
syndicate or negotiate to one or more third parties, in whole or in part, its obligations and rights under this Agreement without the prior written consent of the Company. The covenants, representations and warranties contained herein shall survive
the closing of the transactions contemplated hereby. 
 Section 4.4. Severability. If one or more provisions of this Agreement
be or become invalid, or unenforceable in whole or in part in any jurisdiction, the validity of the remaining provisions of this Agreement shall not be affected. The parties hereto undertake to replace any such invalid provision without delay with a
valid provision which as nearly as possible duplicates the economic intent of the invalid provision. 
 Section 4.5. Headings.
The headings used in this Agreement have been inserted for convenience of reference only and shall not affect the meaning or interpretation of this Agreement or any provision hereof. 

Section 4.6. Counterparts. This Agreement may be executed in counterparts and by different parties in separate counterparts, each
of which when so executed shall be deemed an original and all of which, taken together, shall constitute one and the same instrument. 

[Signatures Appear on Following Page.] 

  
 9 

 IN WITNESS WHEREOF, this Put Agreement is hereby executed as of the date first written above.

 COMPANY: 
  

			
	COHBAR, INC.
		
	By:	 	  

		 	Jon Stern
		 	Chief Executive Officer

 [continued on following page] 

Signature Page to Put Agreement 

 IN WITNESS WHEREOF, this Put Agreement is hereby executed as of the date first written above.

 SUBSCRIBER: 
 If an individual: 

 

									
	Date Signed:
                                         
                 	  		  		  	  
	 	(signature)

 
			
		
	Print Name:	 	  

 
			
		
	Address:	 	  

 
	
	  

 
			
	Telephone No.:	 	  

 
			
	Facsimile No.:	 	  

 
			
	Email:	 	  

 If an entity: 
  

							
	Date Signed:
                                         
                 	  		  	    Investor Name

 
					
	
	  

			
	By:	 	  
	 	(signature)

 
					
			
	        Name:	 	  
	 	

 
					
			
	        Title:	 	  
	 	

 
					
			
	Address:	 	  
	 	
		
	  
	 	

 
					
	Telephone No.:	 	  
	 	

 
					
	Facsimile No.:	 	  
	 	

 
					
	Email:	 	  
	 	

 Signature Page to Put Agreement 

 EXHIBIT A 

PUT NOTICE 
  

			
	NAME OF SUBSCRIBER	  	Date:                                     

  

					
	[                                      
                                ]	  		  	
	[                                      
                                ]	  		  	
	Attn:
[                                         
                  ]	  		  	

  

	RE:	Put Agreement made and entered into effective as of             , 2014 (the “Put Agreement”), by and between COHBAR, INC., a Delaware
corporation (the “Company”), and [            ] (“Subscriber”). All capitalized terms below shall have the meaning given to them in the Agreement.

 This is to inform you that the Company hereby elects to exercise the Put Right and to require Investor to purchase the Put Securities
described below at the Purchase Price specified below, in accordance with the terms of the Put Agreement and subject to the completion of the IPO. You are hereby directed to deliver the Subscription Amount to the Escrow Agent in accordance with the
instructions included herewith. 
  

			
	 Description of Put Security
	 	 
	Subscription Amount	 	
	Purchase Price per Put Security	 	
	Number of Put Securities to be sold	 	

 Pursuant to the Put Agreement and the Company’s Amended and Restated Certificate of Incorporation (the
“Certificate”), any failure to deposit the Subscription Amount within the time specified in the Put Agreement will result in the application of a conversion rate adjustment to the shares of Series B Preferred Stock held by
Subscriber, as described in the Certificate. 
  

					
	COHBAR, INC.
		
	By:	 	  

		 	Signature	 	
		 	Print/Type Name:	 	  

		 	Its:
                                         
                                

 Annex – Escrow Instructions 

Exhibit A

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