Statement of Changes in Beneficial Ownership (4)

FORM 4 [X] 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 ^* Kau Andrew	2. Issuer Name and Ticker or Trading Symbol Synacor, Inc. [ SYNC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below)
(Last) (First) (Middle) IS C/O WALDEN INTERNATIONAL, 361 LYTTON AVENUE, 2ND FLOOR	3. Date of Earliest Transaction (MM/DD/YYYY) 3/31/2021
(Street) PALO ALTO, CA 94301 (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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	3/31/2021		U⁽¹⁾		69275	D	$2.20	39312	D
Common Stock	4/1/2021		D⁽²⁾		39312	D	$2.20	0	D
Common Stock	3/31/2021		U⁽¹⁾		3875138	D	$2.20	0	I	See Footnote ⁽³⁾

*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)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Director stock option (right to purchase)	$3.32	4/1/2021		D			50000	⁽⁴⁾	⁽⁴⁾	Common Stock	50000.0	$0 ⁽⁵⁾	0	D
Director stock option (right to purchase)	$11.14	4/1/2021		D			5000	⁽⁴⁾	⁽⁴⁾	Common Stock	5000.0	$0 ⁽⁵⁾	0	D
Director stock option (right to purchase)	$3.68	4/1/2021		D			15000	⁽⁴⁾	⁽⁴⁾	Common Stock	15000.0	$0 ⁽⁵⁾	0	D
Director stock option (right to purchase)	$2.26	4/1/2021		D			15000	⁽⁴⁾	⁽⁴⁾	Common Stock	15000.0	$0 ⁽⁵⁾	0	D
Director stock option (right to purchase)	$2.44	4/1/2021		D			30000	⁽⁴⁾	⁽⁴⁾	Common Stock	30000.0	$0 ⁽⁵⁾	0	D
Director stock option (right to purchase)	$2.96	4/1/2021		D			15000	⁽⁴⁾	⁽⁴⁾	Common Stock	15000.0	$0 ⁽⁵⁾	0	D
Director stock option (right to purchase)	$3.5	4/1/2021		D			15000	⁽⁴⁾	⁽⁴⁾	Common Stock	15000.0	$0 ⁽⁵⁾	0	D
Director stock option (right to purchase)	$1.95	4/1/2021		D			30000	⁽⁶⁾	⁽⁶⁾	Common Stock	30000.0	$0 ⁽⁵⁾	0	D
Director stock option (right to purchase)	$1.64	4/1/2021		D			15000	⁽⁶⁾	⁽⁶⁾	Common Stock	15000.0	$0 ⁽⁵⁾	0	D

Explanation of Responses:
(1)	Represents shares of common stock of Synacor, Inc. (the "Company") that were tendered in the tender offer to SY Merger Sub Corporation for $2.20 per share in cash, less applicable tax witholding, pursuant to the previously announced Agreement and Plan of Merger, dated February 10, 2021, by and among the Company, CLP SY Holding, LLC, and SY Merger Sub Corporation (the "Merger Agreement").
(2)	Represents 39,312 restricted stock units that were previously reported on Table 1 and were disposed of pursuant to terms of the Merger Agreement for consideration of $2.20 per restricted stock unit.
(3)	70,846 of the shares were directly owned by Pacven IV Associates Fund and 3,804,292 of the shares were directly owned by Pacven IV.
(4)	Pursuant to terms of the Merger Agreement, each of these out-of-the-money stock options, whether vested or unvested, were forfeited and cancelled without any consideration.
(5)	The stock options were originally granted in consideration of the reporting person's services to the Company and without payment consideration.
(6)	Pursuant to the terms of the Merger Agreement, immediately prior to the effective time of the merger, each outstanding in-the-money stock option, whether vested or unvested, was cancelled and converted into the right to receive $2.20 per stock option in cash less the exercise price of such stock option and applicable tax withholding.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Kau Andrew IS C/O WALDEN INTERNATIONAL 361 LYTTON AVENUE, 2ND FLOOR PALO ALTO, CA 94301	X