UBX UNITY Biotechnology Inc

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

1. Name and Address of Reporting Person * Sullivan Lynne Marie	2. Issuer Name and Ticker or Trading Symbol Unity Biotechnology, Inc. [ UBX ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) CFO & Head of Corp. Dev.
(Last)          (First)          (Middle) C/O UNITY BIOTECHNOLOGY, INC., 285 EAST GRAND AVENUE	3. Date of Earliest Transaction (MM/DD/YYYY) 2/9/2022
(Street) SOUTH SAN FRANCISCO, CA 94080 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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
Common Stock, $0.0001 par value	2/9/2022		A		50000 (1)	A	$0.00	326785 (2)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 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
Stock Option (Right to Buy)	$1.06	2/9/2022		A		200000		(3)	2/9/2032	Common Stock	200000	$0.00	200000	D

Explanation of Responses:
(1)	Represents Restricted Stock Units ("RSUs") one third of which vests on February 9, 2023 with the remaining RSUs vesting in equal quarterly installments over a two year period thereafter. Each RSU represents a contingent right to receive one share of Common Stock of the Issuer.
(2)	Includes RSUs which vest over time measured from the grant date. Also includes 5,952 shares of Common Stock of the Issuer purchased under the Issuer's Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3.
(3)	The underlying shares vest and become exercisable pursuant to the following schedule: One Third of the shares subject to the option vest on February 9, 2023 (the "Vesting Commencement Date"), and the remaining shares subject to the option vest in 24 successive, equal monthly installments thereafter on each monthly anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service to the Issuer through the applicable vesting date.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Sullivan Lynne Marie C/O UNITY BIOTECHNOLOGY, INC. 285 EAST GRAND AVENUE SOUTH SAN FRANCISCO, CA 94080			CFO & Head of Corp. Dev.

Signatures
/s/ Alexander Nguyen, Attorney-in-Fact for Lynne Marie Sullivan		2/15/2022
**Signature of Reporting Person		Date