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SEC FORM 4 SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940 		 
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Ros Matthew
(Last) (First) (Middle)
C/O COGENT BIOSCIENCES, INC.
200 CAMBRIDGE PARK DRIVE, SUITE 2500
(Street)
CAMBRIDGE MA 02140
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Cogent Biosciences, Inc. [ COGT ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
04/01/2022
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $7.92 04/01/2022 A 2,650 04/01/2022 04/01/2032 Common Stock 2,650 $4.86(1) 2,650 D
Explanation of Responses:
1. The option award was issued to the Reporting Person, who elected to take shares in lieu of cash compensation for services as a director, pursuant to the Issuer's non-employee director compensation plan. The number of options granted was determined by dividing the cash compensation otherwise payable with respect to the quarter by the Black-Scholes value of a single option calculated as of the date of the grant.
Remarks:
Exhibit 24 - Power of Attorney
/s/ Evan D. Kearns, Attorney-in-Fact 04/05/2022
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.


                                POWER OF ATTORNEY
       For Obtaining EDGAR Access Codes and Executing Forms 3, 4 and 5

        Know all by these presents, that the undersigned hereby constitutes and
appoints each of Evan Kearns, Ryan Murr and Robert Phillips, and any of their
substitutes, signing singly, as the undersigned's true and lawful attorney-in-
fact to:

        (1)     execute for and on behalf of the undersigned all forms
                necessary to revive or obtain new EDGAR Access Codes for the
                undersigned, including without limitation, PMAC, CCC and
                passwords necessary to enable the undersigned to make filings
                in the United States Securities and Exchange Commission's EDGAR
                system;

        (2)     execute for and on behalf of the undersigned Forms 3, 4 and 5
                in accordance with Section 16(a) of the Securities Exchange Act
                of 1934 and the rules thereunder, and any other forms or
                reports the undersigned may be required to file, in connection
                with the undersigned's ownership, acquisition, or disposition
                of securities of Cogent Biosciences, Inc., a Delaware
                corporation;

        (3)     do and perform any and all acts for and on behalf of the
                undersigned which may be necessary or desirable to complete the
                execution of any such Form 3, 4 and 5, or other form or report,
                complete and execute any amendment or amendments thereto, and
                the timely filing of such form with the United States
                Securities and Exchange Commission and any other authority; and

        (4)     take any other action of any type whatsoever in connection with
                the foregoing which, in the opinion of such attorney-in-fact,
                may be of benefit to, in the best interest of, or legally
                required by, the undersigned, it being understood that the
                documents executed by such attorney-in-fact on behalf of the
                undersigned pursuant to this Power of Attorney shall be in such
                form and shall contain such terms and conditions as such
                attorney-in-fact may approve in his/her discretion.

        The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform all and every act and thing whatsoever
requisite, necessary and proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as such
attorney-in-fact might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or his/her substitute or substitutes, shall lawfully do or
cause to be done by virtue of this power of attorney and the rights and powers
herein granted. The undersigned acknowledges that the foregoing attorneys-in-
fact, in serving in such capacity at the request of the undersigned, are not
assuming any of the undersigned's responsibilities to comply with Section 16 of
the Securities Exchange Act of 1934.

        This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in securities issued by Cogent
Biosciences, Inc., unless earlier revoked by the undersigned in a signed
writing delivered to the foregoing attorneys-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 14th day of February, 2022.

/s/ Matthew E. Ros
------------------------------
Matthew E. Ros