Sensei Biotherapeutics (SNSE) Form 3 Sensei Biotherapeutics / Samuel Broder ownership change

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Broder Samuel

(Last) (First) (Middle)

C/O SENSEI BIOTHERAPEUTICS, INC.

1405 RESEARCH BLVD, SUITE 125

(Street)

ROCKVILLE MD 20850

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/03/2021

3. Issuer Name and Ticker or Trading Symbol
Sensei Biotherapeutics, Inc. [ SNSE ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	(1)	04/04/2029	Common Stock	625	16.32	D
Stock Option (Right to Buy)	(2)	08/04/2030	Common Stock	19,520	3.22	D

Explanation of Responses:

1. Fifty percent (50%) of the shares subject to the option vested one year from the vesting commencement date, April 5, 2019, and fifty percent (50%) of the shares subject to the option vest one year thereafter, subject to Reporting Person's continuous service as of each such date.

2. The shares subject to the option vest monthly over twenty-four (24) months from the vesting commencement date, March 31, 2020, subject to the Reporting Person's continuous service as of each such date.

Remarks:

Exhibit 24- Power of Attorney

	/s/ Mark Ballantyne, Attorney-in-Fact	02/03/2021
	** 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 5 (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.
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