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 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 * RENFIELD TREVOR   2. Issuer Name and Ticker or Trading Symbol ENTROPIC COMMUNICATIONS INC [ENTR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP Accounting & CAO (Last) (First) (Middle) 6290 SEQUENCE DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 04/12/2013 (Street) SAN DIEGO, CA 92121 4. If Amendment, Date 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 (City) (State) (Zip) 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 Common Stock 04/13/2013   M   500 A $ 0 4,815 D   Common Stock 04/13/2013   F(1)   219 D $ 4.11 4,596 D

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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 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

Non-Qualified Stock Option (right to buy)

$ 4.11

04/12/2013

A

24,000

(2)

04/12/2023

Common Stock

24,000

$ 0

24,000

D

Restricted Stock Unit

(3)

04/12/2013

A

8,000

(4)

(4)

Common Stock

8,000

$ 0

13,500

D

Restricted Stock Unit

(5)

04/13/2013

M

500

(6)

(6)

Common Stock

500

$ 0

13,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
RENFIELD TREVOR 6290 SEQUENCE DRIVE SAN DIEGO, CA 92121			VP Accounting & CAO

Signatures

By: Lance W. Bridges, as attorney-in-fact For: Trevor Renfield		04/16/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Shares have been surrendered to the issuer to satisfy the reporting person's tax withholding obligation due on vesting of restricted stock units.
(2)	1/4th of the shares vest one year after the Vesting Commencement Date beginning 4/12/13. 1/48th of the shares vest monthly thereafter over the next three years. Additionally, grant is subject to accelerated vesting on the terms and conditions set forth in such individual's Change of Control Agreement.
(3)	Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock.
(4)	The shares vest over a four year period, with 25% vesting on the first quarterly vesting date following the 1st, 2nd, 3rd and 4th anniversary of the grant date. Additionally, grant is subject to accelerated vesting on the terms and conditions set forth in such individual's Change of Control Agreement.
(5)	Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock.
(6)	The shares vest in four equal annual installments, beginning one year after the Vesting Commencement Date of April 13, 2011.

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