Ownership Submission
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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(Print or Type Responses)
1. Name and Address of Reporting Person *
Yang David
  2. Issuer Name and Ticker or Trading Symbol
MEMSIC Inc [MEMS]
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)
ONE TECH DRIVE, STE 325
3. Date of Earliest Transaction (Month/Day/Year)
06/29/2011
(Street)

ANDOVER, MA 01810
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 06/29/2011   A   15,000 A (1) 15,000 D  
Common Stock               925,000 I See Footnote (2) (3)

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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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Yang David
ONE TECH DRIVE
STE 325
ANDOVER, MA 01810
  X      

Signatures

 /s/ David Yang   06/30/2011
**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) Restriced stock units representing a contingent right to receive one share of MEMSIC common stock. The units vest in three equal annual installments beginning June 29, 2012.
(2) Includes 462,500 shares held by Asia Pacific Genesis Venture Capital Fund, L.P., 128,000 shares held by C&D Capital Corp., 113,500 shares held by Global Vision Venture Capital Co., Ltd., 62,500 shares held by Asia Pacific Century Venture Capital LTD 47,500 shares held by China Power Venture Capital Co., Ltd., 26,500 shares held by Nien Hsing International (Bermuda) Ltd., 21,500 shares held by Asiagroup Worldwide Limited, 17,500 shares held by STAR Pacific Worldwide Limited, 16,500 shares held by A&D Capital Corp., 16,500 shares held by J&D Capital Corp., and 12,500 shares held by CAM-CID Asia Pacific Investment Corp. The CID Group and its affiliates have entered into investment management agreements to manage the investment direction of these entities' funds. (Continued in Footnote 3)
(3) (Continued from Footnote 2)Steven Chang, managing partner the The CID Group, and David Yang, a partner of The CID Group, share voting and dispositive power over shares held by these entities. Mr. Yang disclaims beneficial ownership in all shares except to the extent of his pecuniary interest therein, if any.

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