Sec Form 4 Filing - Shakespeare William @ Theseus Pharmaceuticals, Inc. - 2023-03-01

Insider filing report for Changes in Beneficial Ownership
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FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
Shakespeare William
2. Issuer Name and Ticker or Trading Symbol
Theseus Pharmaceuticals, Inc. [ THRX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
See Remarks
(Last) (First) (Middle)
C/O THESEUS PHARMACEUTICALS, INC., 314 MAIN STREET
3. Date of Earliest Transaction (MM/DD/YY)
03/01/2023
(Street)
CAMBRIDGE, MA02142
4. If Amendment, Date Original Filed (MM/DD/YY)
6. Individual or Joint/Group Filing (Check Applicable Line)
__ X __ Form filed by One Reporting Person
_____ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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
(MM/DD/YY)
7. Title and Amount of Underlying Securities
(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 of Derivative Security: 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
Restricted Stock Units ( 1 ) 03/01/2023 A 21,250 ( 2 ) ( 2 ) Common Stock 21,250 $ 0 21,250 D
Reporting Owners
Reporting Owner Name / Address Relationships
Direct or 10% Owner Officer Other
Shakespeare William
C/O THESEUS PHARMACEUTICALS, INC.
314 MAIN STREET
CAMBRIDGE, MA02142
See Remarks
Signatures
/s/ Bradford Dahms - Attorney-in-Fact 03/02/2023
Signature of Reporting Person Date
Explanation of Responses:
( 1 )Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.001, when vested.
( 2 )The RSUs are subject to a service-based vesting requirement, which shall be satisfied over a four-year period with 25% of the RSUs vesting on March 1, 2024 and 1/16th of the RSUs vesting quarterly thereafter, subject to the Reporting Person's continuous service with the issuer. The RSUs have no expiration date.

Remarks:
President of Research and Development

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* 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).

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