----

----

----

| x | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|---|--------------------------------------------------------------------------------------|

|  | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|----------|------------------------------------------------------------------------------------------|

----

----

|                                                          |   |                                   |
|---------------------------------------------------------------|--------|----------------------------------------|
| DELAWARE                                                      |   | 04-3457049                             |
| (State or other jurisdiction ofincorporation or organization) |   | (I.R.S. EmployerIdentification Number) |

----

|                             |   |                                                |
|----------------------------------|--------|-----------------------------------------------------|
| Title of each class              |   | Name of each exchange on which registered           |
| Common Stock, $0.00001 par value |   | The Nasdaq Stock Market, LLC (Nasdaq Global Market) |

----

----

----

|          |         |                                                                                           |         |   |
|---------------|--------------|------------------------------------------------------------------------------------------------|--------------|--------|
|          |    |                                                                                           |    | Page   |
| PART III |    |                                                                                           |    |   |
| Item 10.      |    | Directors, Executive Officers, and Corporate Governance                                        |    | 1      |
| Item 11.      |    | Executive Compensation                                                                         |    | 7      |
| Item 12.      |    | Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters |    | 10     |
| Item 13.      |    | Certain Relationships and Related Transactions and Director Independence                       |    | 13     |
| Item 14.      |    | Principal Accountant Fees and Services                                                         |    | 14     |
|          |         |                                                                                           |
| PART IV  |    |                                                                                           |    |   |
| Item 15.      |    | Exhibits and Financial Statement Schedules                                                     |    | 15     |
|          |    | Signatures                                                                                     |    |   |

----

| Name                                 |   | Age    |   | Term Expires |   | Position                                                                  |
|--------------------------------------|--------|--------|--------|--------------|--------|---------------------------------------------------------------------------|
| CLASS I DIRECTORS                    |   |   |   |         |   |                                                                      |
| Lawrence A. Kaufman, Ph.D. (1)(2)(3) |   | 71     |   | 2014         |   | Director                                                                  |
| David Yang (1)(3)(4)                 |   | 43     |   | 2014         |   | Director                                                                  |
|                                 |   |   |   |
| CLASS II DIRECTORS                   |   |   |   |         |   |                                                                      |
| Roger W. Blethen (2)(4)              |   | 60     |   | 2012         |   | Lead Director                                                             |
| Yang Zhao, Ph.D.                     |   | 49     |   | 2012         |   | President, Chief Executive Officer and Chairman of the Board of Directors |
|                                 |   |   |   |
| CLASS III DIRECTORS                  |   |   |   |         |   |                                                                      |
| Michael Tung (1)(3)                  |   | 56     |   | 2013         |   | Director                                                                  |
| Quan Zhou, Ph.D.                     |   | 54     |   | 2013         |   | Director                                                                  |

----

| (1) | Member of audit committee.       |
|-----|----------------------------------|
| (2) | Member of governance committee.  |
| (3) | Member of nominating committee   |
| (4) | Member of compensation committee |

----

----

|         | • |   | preside over board meetings in the absence of the chairman and lead “executive sessions” of the board (i.e., sessions without management present);                                      |
|--------------|---------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|    | • |   | consult with other directors concerning corporate governance matters and identification of issues for board meeting discussions and set the board meeting agenda in consultation with the chairman; |
|    | • |   | advise the chief executive officer on organizational development, business strategy and corporate governance; and                                                                                   |
|    | • |   | advise the chief executive officer and chief financial officer on appropriate communications policies and procedures.                                                                               |

----

----

|         | • |   | each non-employee director receives a cash retainer in the amount of $20,000 per year;                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|--------------|---------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|    | • |   | our lead director and chairpersons of our standing committees receive additional annual cash retainers, as follows: lead director, $20,000; audit committee chair, $10,000; compensation committee chair, $7,500; nominating committee chair, $5,000; and governance committee chair, $5,000;                                                                                                                                                                                                                                               |
|    | • |   | each incumbent non-employee director receives annually a restricted stock unit (“RSU”), vesting over three years, entitling him to receive, when vested, 15,000 shares of our common stock, and any newly elected non-employee director will receive an RSU for 25,000 shares of our common stock; and                                                                                                                                                                                                                          |
|    | • |   | our non-employee directors also receive cash fees for each meeting of the board of directors or of any committee of which they are members that they attend, as follows: all non-employee directors, $2,500 per board meeting; audit committee chair, $2,500 per audit committee meeting; compensation committee chair, $2,500 per compensation committee meeting; nominating and governance committee chare, $1,500 per nominating or governance committee meeting; and other members of our standing committees, $1,000 per committee meeting. |

|                    |   | Fees earnedor paidin cash(1) |   |   | StockAwards(2) |   |   | Total  |   |
|-------------------------|--------|------------------------------|--------|--------|----------------|--------|--------|--------|--------|
| Roger W. Blethen (3)    |   | $                            | 70,500 |   |           | $      | 47,700 |   |   | $ | 118,200 |   |
| Lawrence A. Kaufman (3) |   | $                            | 47,500 |   |           | $      | 47,700 |   |   | $ | 95,200 |   |
| Michael Tung (3)        |   | $                            | 52,000 |   |           | $      | 47,700 |   |   | $ | 99,700 |   |
| David Yang (3)          |   | $                            | 45,000 |   |           | $      | 47,700 |   |   | $ | 92,700 |   |
| Quan Zhou (4)           |   | $                            | 29,833 |   |           | $      | 79,500 |   |   | $ | 109,333 |   |

----

| (1) | Amounts shown reflect fees earned in calendar year 2011 and exclude fees paid in 2011 for services provided in calendar year 2010, as follows: Mr. Blethen, $15,375; Mr. Kaufman, $8,500; Mr. Tung, $12,000; Mr. Yang, $9,500.                 |
|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (2) | Amounts shown do not reflect compensation actually realized by our directors. The amounts shown represent the grant date fair value of the RSUs granted to each non-employee director.                                                         |
| (3) | On June 29, 2011, we granted to each non-employee director continuing in office a RSU for 15,000 shares of our common stock, vesting in equal installments on each of the first three anniversaries of the date of grant.                      |
| (4) | On June 29, 2011, we granted Dr. Quan Zhou in connection with his initial appointment as a director an RSU for 25,000 shares of our common stock, vesting in equal installments on each of the first three anniversaries of the date of grant. |

----

| Name                    |   | Age |   | Position                                            |
|-------------------------|--------|-----|--------|-----------------------------------------------------|
| Yang Zhao, Ph.D         |   | 49  |   | President, Chief Executive Officer                  |
| Patricia Niu            |   | 45  |   | Chief Financial Officer                             |
| Paul M. Zavracky, Ph.D. |   | 63  |   | President of North American and European Operations |

----

----

| Name and Principal Position                          |   | Year   |   | Salary ($) |    |   | Bonus ($) |   |    | Stockawards ($) (1) |   |   | Optionawards ($) (2) |   |   | All othercompensation ($) (3) |    |   | Total ($) |   |
|------------------------------------------------------|--------|--------|--------|------------|---------|--------|-----------|--------|---------|---------------------|--------|--------|----------------------|--------|--------|-------------------------------|---------|--------|-----------|--------|
| Yang Zhao, Ph.D                                      |   | 2011   |   | $          | 266,239 | (4)    |      | $      | -       |                |   | $      | 477,400              |   |   | $                             | 394,720 |   |      | $      | 1,134 |   |   | $ | 1,139,493 |   |
| President and Chief Executive Officer                |   | 2010   |   |       | 258,845 |   |      |   | 275,000 |                |   |   | -                    |   |   |                          | -       |   |      |   | 1,287 |   |   |   | 535,132 |   |
|                                                 |   |   |   |       |    |   |      |   |    |                |   |   |                 |   |   |                          |    |   |      |   |   |   |   |   |   |   |
|                                                 |   |   |   |       |    |   |      |   |    |                |   |   |                 |   |   |                          |    |   |      |   |   |   |   |   |   |   |
| Patricia Niu                                         |   | 2011   |   |       | 210,000 |   |      |   | 65,000  |                |   |   | 111,300              |   |   |                          | -       |   |      |   | 1,010 |   |   |   | 387,310 |   |
| Chief Financial Officer                              |   | 2010   |   |       | 175,000 |   |      |   | 90,000  |                |   |   | -                    |   |   |                          | 53,555  |   |      |   | 1,054 |   |   |   | 319,609 |   |
|                                                 |   |   |   |       |    |   |      |   |    |                |   |   |                 |   |   |                          |    |   |      |   |   |   |   |   |   |   |
|                                                 |   |   |   |       |    |   |      |   |    |                |   |   |                 |   |   |                          |    |   |      |   |   |   |   |   |   |   |
| Mark S. Laich (5)                                    |   | 2011   |   |       | 190,000 |   |      |   | 137,647 |                |   |   | 63,600               |   |   |                          | -       |   |      |   | 1,018 |   |   |   | 392,265 |   |
| Vice President – Worldwide Sales and Marketing |   | 2010   |   |       | 180,000 |   |      |   | 90,000  |                |   |   | -                    |   |   |                          | -       |   |      |   | 1,170 |   |   |   | 271,170 |   |
|                                                 |   |   |   |       |    |   |      |   |    |                |   |   |                 |   |   |                          |    |   |      |   |   |   |   |   |   |   |
|                                                 |   |   |   |       |    |   |      |   |    |                |   |   |                 |   |   |                          |    |   |      |   |   |   |   |   |   |   |
| Paul M. Zavracky (6)                                 |   | 2011   |   |       | 270,000 |   |      |   | 150,000 |                |   |   | 190,800              |   |   |                          | 197,360 |   |      |   | 1,134 |   |   |   | 809,294 |   |
| President of North American and European Operations  |   | 2010   |   |       | -       |   |      |   | -       |                |   |   | -                    |   |   |                          | -       |   |      |   | - |   |   |   | - |   |

----

| (1) | Amounts shown do not reflect compensation actually realized by the named executive officer. The amounts shown represent the grant date fair value of restricted stock awards (RSAs) and RSUs.                                                                                                                                                                                                                                                  |
|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (2) | Amounts shown do not reflect compensation actually realized by the named executive officer. The amounts shown represent the grant date fair value of stock options granted to the named executive officer, computed in accordance with ASC 718. The assumptions used to calculate the fair value of the stock options granted in 2011 and 2010 are described in Note 12 to the consolidated financial statements included in this Report. |
| (3) | Consists of premium paid on behalf of the named executive officer on group life, short-term and long-term disability insurance policy.                                                                                                                                                                                                                                                                                                         |
| (4) | A portion of Dr. Zhao’s salary is paid in renminbi (“RMB”). The increase in the reported amount of Dr. Zhao’s salary for 2011 is attributable to the change in currency exchange rate between the RMB and the United States dollar in 2011 vs. 2010.                                                                                                                                                                   |
| (5) | Mr. Laich’s employment by us terminated on December 15, 2011.                                                                                                                                                                                                                                                                                                                                                                            |
| (6) | Dr. Zavracky was not employed by us prior to January 1, 2011.                                                                                                                                                                                                                                                                                                                                                                                  |

----

|                         |   | Option Awards                                               |    | Stock Awards |                       |
|------------------------------|--------|------------------------------------------------------------------|---------|--------------|----------------------------|
|                         |   | Number of securitiesunderlying unexercised options (1) |    |         | Option                     |   | Option |   |  Number of Shares or Units of Stock |   |   | Market Value of Shares or Units of Stock |   |
|     Name |   | (#) Exercisable                                             |    |         | (#) Unexercisable (1) |   |   | (#) Unearned |   |   | exercise price ($) |   |  expiration date |   | That Have Not Vested (#) |   |   | That Have Not Vested ($) (2) |   |
| Yang Zhao                    |   |                                                             | 46,250  | (3)          |                       |   | - |   |   |   | - |   |   | $ | 0.30 |   | 01/01/2015 |   |   |   |   |   |   |
|                         |   |                                                             | 250,000 | (4)          |                       |   | - |   |   |   | - |   |   |   | 11.70 |   | 10/03/2017 |   |   |   |   |   |   |
|                         |   |                                                             | -       |         |                       |   | - |   |   |   | 250,000 | (4) |   |   | 11.70 |   | 10/03/2017 |   |   |   |   |   |   |
|                         |   |                                                             | 75,000  | (5)          |                       |   | 25,000 | (5) |   |   | - |   |   |   | 2.53 |   | 08/08/2018 |   |   |   |   |   |   |
|                         |   |                                                             | -       |         |                       |   | 200,000 | (6) |   |   |   |   |   |   | 3.41 |   | 04/04/2021 |   |   | 140,000 | (7)   |   | $ | 477,400 |   |
|                         |   |                                                             |    |         |                       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Patricia Niu                 |   |                                                             | 10,000  | (8)          |                       |   | - |   |   |   | - |   |   |   | 0.30 |   | 09/08/2014 |   |   |   |   |   |   |   |   |
|                         |   |                                                             | 25,000  | (9)          |                       |   | - |   |   |   | - |   |   |   | 1.54 |   | 11/09/2016 |   |   |   |   |   |   |   |   |
|                         |   |                                                             | 50,000  | (10)         |                       |   | - |   |   |   | - |   |   |   | 7.64 |   | 08/22/2017 |   |   |   |   |   |   |   |   |
|                         |   |                                                             | 56,250  | (11)         |                       |   | 18,750 | (11) |   |   | - |   |   |   | 2.53 |   | 08/08/2018 |   |   |   |   |   |   |   |   |
|                         |   |                                                             | 12,500  | (12)         |                       |   | 12,500 | (12) |   |   | - |   |   |   | 3.42 |   | 03/12/2020 |   |   | 35,000 | (13) |   |   | 111,300 |   |
|                         |   |                                                             |    |         |                       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Paul M. Zavracky             |   |                                                             | 30,000  | (14) (15)    |                       |   | - |   |   |   | - |   |   |   | 0.30 |   | 02/12/2014 |   |   |   |   |   |   |   |   |
|                         |   |                                                             | 45,000  | (14) (16)    |                       |   | - |   |   |   | - |   |   |   | 0.30 |   | 04/28/2015 |   |   |   |   |   |   |   |   |
|                         |   |                                                             | 12,000  | (14) (17)    |                       |   | - |   |   |   | - |   |   |   | 6.40 |   | 03/12/2018 |   |   |   |   |   |   |   |   |
|                         |   |                                                             | 12,000  | (14) (18)    |                       |   | - |   |   |   | - |   |   |   | 1.75 |   | 03/12/2019 |   |   |   |   |   |   |   |   |
|                         |   |                                                             | 4,000   | (14) (19)    |                       |   | 8,000 | (14) (19) |   |   | - |   |   |   | 3.35 |   | 05/12/2020 |   |   |   |   |   |   |   |   |
|                         |   |                                                             | -       |         |                       |   | 100,000 | (20) |   |   | - |   |   |   | 3.41 |   | 04/04/2021 |   |   | 60,000 | (13)    |   |   | 190,800 |   |
|                         |   |                                                             |    |         |                       |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Mark S. Laich                |   |                                                             | 90,000  | (21)         |                       |   | 30,000 | (21) (22) |   |   | - |   |   |   | 1.80 |   | 10/28/2018 |   |   | 20,000 | (13) (22) |   |   | 63,600 |   |

----

| (1)  | Except as otherwise set forth below, all equity awards disclosed in this table vest as to 25% of the maximum number of shares issuable pursuant to such award on the first anniversary of the vesting start date, as set by our board of directors, and vest as to an additional 25% of the shares on each subsequent anniversary of the vesting start date, which generally is the date of grant, such that each equity award will be fully vested on the fourth anniversary of the vesting start date.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (2)  | The market value was calculated based on the closing price per share of our common stock on the date of grant.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| (3)  | Granted on February 10, 2005 with a vesting start date of January 1, 2005.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| (4)  | An option for 250,000 shares was granted pursuant to our 2000 Omnibus Stock Plan and vests in equal installments over four years. An additional option for 250,000 shares was granted pursuant to our 2007 Stock Incentive Plan and vests according to the following performance-based criteria: (i) 62,500 shares vest on the day after any period of 12 rolling months in which we recognize at least $10.5 million in earnings before taxes, excluding amortization of intangible assets associated with future acquisitions, which we refer to in this footnote as “adjusted earnings;” (ii) an additional 62,500 shares vest on the day after any period of 12 rolling months in which we recognize at least $13.1 million in adjusted earnings; (iii) an additional 62,500 shares vest on the day after any period of 12 rolling months in which we recognize at least $15.8 million in adjusted earnings; and (iv) an additional 62,500 shares vest on the day after any period of 12 rolling months in which we recognize at least $18.4 million in adjusted earnings. Irrespective of the above terms and conditions, the performance based options will vest fully on the eighth anniversary of the grant date of October 3, 2007. |
| (5)  | Granted on August 8, 2008.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| (6)  | Granted on April 4, 2011.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| (7)  | Restricted stock awards granted on April 4, 2011 with 87,500 shares vesting on the first anniversary of the date of grant and 17,500 shares vesting on each of the second, third and fourth anniversaries of the grant date.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| (8)  | Granted on October 15, 2004 with a vesting start date of September 8, 2004.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| (9)  | Granted on November 9, 2006.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| (10) | Granted on August 22, 2007.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| (11) | Granted on August 8, 2008.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| (12) | Granted on March 12, 2010.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| (13) | RSUs granted on June 29, 2011 vest in four equal installments on each of the first, second, third and fourth anniversaries of the grant date.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| (14) | Stock options granted to Dr. Zavracky when he served as a director of the Company.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| (15) | Granted on February 12, 2004 with a vesting start date of October 1, 2003.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| (16) | Granted on April 28, 2005.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| (17) | Granted on March 12, 2008 with vesting in three equal installments on each of the first, second and third anniversaries of the grant date.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| (18) | Granted on March 12, 2009 with vesting in three equal installments on each of the first, second and third anniversaries of the grant date.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| (19) | Granted on May 12, 2010 with vesting in three equal installments on each of the first, second and third anniversaries of the grant date.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| (20) | Granted on April 4, 2011.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| (21) | Granted on October 28, 2008.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| (22) | Forfeited at the termination of Mr. Laich’s employment with us.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |

----

----

|         | • |   | Each beneficial owner of 5% or more of the outstanding shares of our common stock; |
|--------------|---------|--------|------------------------------------------------------------------------------------|
|    | • |   | Each of our named executive officers;                                              |
|    | • |   | Each of our directors; and                                                         |
|    | • |   | all of our executive officers and directors as a group.                            |

|                                                                                                                  |   | Beneficial Ownership |
|-----------------------------------------------------------------------------------------------------------------------|--------|----------------------|
|  Name and Address of Beneficial Owner                                                                            |   | SharesOutstanding    |   | Right toAcquire |   | Total |   | % ofOutstanding |
| 5% Stockholders                                                                                                       |   |                 |   |   |   |   |   |   |
| Entities Affiliated with IDG-Accel China Growth Fund II L.P.                                                          |   |                 | 4,725,223 |   | — |   | 4,725,223 |   | 19.7 | % |
| c/o IDG VC Management Ltd.(1)Unit 1509, The Center99 Queen’s RoadCentral, Hong Kong                             |   |                 |   |   |   |   |   |   |   |   |
| Seligman Spectrum Focus (Master) Fund(2)PO Box 309Ugland House, South Church StreetGeorge Town, Grand Cayman KY1-1104 |   |                 | 3,557,644 |   | — |   | 3,557,644 |   | 14.8 | % |
| Still River Fund II, LP (3)1601 Trapelo RoadWaltham, Massachusetts 02451                                              |   |                 | 2,778,107 |   | — |   | 2,778,107 |   | 11.6 | % |
| Entities Affiliated with InveStar Capital, Inc.(4)333 W. San Carlos StreetSan Jose, California 95110                  |   |                 | 2,357,620 |   | — |   | 2,357,620 |   | 9.8 | % |
|                                                                                                                  |   |                 |   |   |   |   |   |   |   |   |
| Executive Officers                                                                                                    |   |                 |   |   |   |   |   |   |   |   |
| Yang Zhao, Ph.D                                                                                                       |   |                 | 630,924 |  (5) | 421,250 |   | 1,052,174 |   | 4.3 | % |
| Patricia Niu                                                                                                          |   |                 | 40,000 |   | 153,750 |   | 193,750 |   | * |    |
| Paul M. Zavracky, Ph.D                                                                                                |   |                 | 22,422 |   | 132,000 |   | 154,422 |   | * |   |
| Mark S. Laich (6)                                                                                                     |   |                 | — |   | 90,000 |   | 90,000 |   | * |   |
|                                                                                                                  |   |                 |   |   |   |   |   |   |   |   |
| Non-Employee Directors                                                                                                |   |                 |   |   |   |   |   |   |   |   |
| Quan Zhou, Ph.D.                                                                                                      |   |                 | 4,725,223 |  (1) | — |   | 4,765,223 |   | 19.7 | % |
| Michael Tung                                                                                                          |   |                 | 2,357,620 |  (3) | 32,000 |   | 2,389,620 |   | 9.9 | % |
| David Yang                                                                                                            |   |                 | 908,500 |  (7) | 32,000 |   | 940,500 |   | 3.9 | % |
| Roger W. Blethen                                                                                                      |   |                 | — |   | 107,000 |   | 107,000 |   | * |    |
| Lawrence A. Kaufman, Ph.D                                                                                             |   |                 | — |   | 28,000 |   | 28,000 |   | * |    |
| All current directors and executive officersas a group (9 persons)                                                    |   |                 | 8,684,689 |   | 996,000 |   | 9,680,689 |   | 38.7 | % |

----

----

| *         | Less than 1.0%                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|-----------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (1)       | Information based upon a Form 13G filed with the Securities and Exchange Commission on March 29, 2012. Includes 4,146,394 shares of which the record owner is IDG-Accel China Growth Fund II L.P., 339,108 shares of which the record owner is IDG-Accel China Investors II L.P., 150,000 shares of which the record owner is IDG Technology Venture Investments, LP., 71,393 shares of which the record owner is IDG Technology Venture Investments, LLC, and 18,328 shares of which the record owner is IDG Technology Venture Investment III, L.P.  Chi Sing Ho and Quan Zhou Ph.D. are directors and executive officers of IDG-Accel China Growth Fund GP II Associates Ltd., which is the ultimate general partner of both IDG-Accel China Growth Fund II L.P. and IDG-Accel China Investors II L.P. Mr. Ho and Dr. Zhou are managing members of IDG Technology Venture Investment III, LLC, which is the general partner of IDG Technology Venture Investment III, L.P. Mr. Ho and Dr. Zhou are managing members of IDG Technology Venture Investments, LLC, which is the general partner of IDG Technology Venture Investments, LP. By virtue of acting together to direct the management and operations of the ultimate general partners of each of the above record owners, Mr. Ho may be deemed to have shared voting and dispositive power with respect to these shares with Dr. Zhou. Each of Mr. Ho and Dr. Zhou disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any. |
| (2)       | Information based upon amendment to Schedule 13G filed with the Securities and Exchange Commission on February 14, 2012.  The Schedule 13G was filed jointly with Ameriprise Financial, Inc. and Columbia Management Investment Advisers, LLC. Ameriprise Financial, Inc., is the parent company of Columbia Management Investment Advisers, LLC. Columbia Management Investment Advisers, LLC is an investment adviser to the reporting person.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| (3)       | Information based upon a Form 5 filed with the Securities and Exchange Commission on May 11, 2010.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|  (4) | Includes 1,285,551 shares held by InveStar Semiconductor Development Fund, Inc., and 1,072,069 shares held by InveStar Semiconductor Development Fund, Inc. (II) LCD, together the “InveStar Funds.” InveStar Capital, Inc., a Cayman Islands limited liability company, acts as investment manager of InveStar Funds and exercises investment control over the shares held by such entities. Michael Tung is the chief financial officer and managing partner of VentureStar-InveStar Capital Inc. and Mr. Tung may be deemed to beneficially own the shares held by InveStar Funds and each disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein. TSMC International Investment Ltd. holds a 97% interest in the InveStar Funds.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| (5)       | Includes 18,596 shares of common stock held by Yang Zhao, as Trustee of the Yang Zhao Children’s Grantor Retained Annuity Trust and 140,488 shares of common stock held by Yang Zhao, as Trustee of the Yang Zhao Grantor Retained Annuity Trust FBO Naifeng Yang. Also includes 109,000 shares of restricted stock award granted on April 4, 2011, of which 56,500 shares are vested and 17,500 shares shall vest on each of the second, third and fourth anniversaries of the date of grant.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| (6)       | Mr. Laich’s employment by us terminated on December 15, 2011.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| (7)       | 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., 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. Steven Chang, managing partner of 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.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |

----

|                                                          |   | Number of shares to beissued upon exercise ofoutstanding options,warrants and rights |    | Weighted-averageexercise price ofoutstanding options,warrants and rights |    | Number of sharesremaining available forfuture issuance underequity compensationplans (excluding sharesreflected in column (a)) |      |
|---------------------------------------------------------------|--------|----------------------------------------------------------------------------------------------------------|--------------|-------------------------------------------------------------------------------|--------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------|
| Plan Category                                                 |   | (a)                                                                                                      |    | (b) (1)                                                                  |    | (c) (2)                                                                                                                                                 |      |
| Equity Compensation Plans Approved by Security Holders        |   | 2,635,867                                                                                                |    | $                                                                             | 5.24         |                                                                                                                                                    | 854,538   | (3) |
| Equity Compensation Plans Not Approved by Security Holders(4) |   | 376,938                                                                                                  |    |                                                                          | 3.29         |                                                                                                                                                    | 2,123,062 |   |
| Total                                                         |   | 3,012,805                                                                                                |    | $                                                                             | 5.00         |                                                                                                                                                    | 2,977,600 |   |

----

| (1) | Excludes 674,000 shares outstanding as of December 31, 2011 in the form of restricted stock awards and restricted stock units, which do not require the payment of any consideration by the recipients.                                                                                                                                                                                                                                                                                                               |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (2) | Gives effect to the issuance of restricted stock awards and restricted stock units outstanding at December 31, 2011.                                                                                                                                                                                                                                                                                                                                                                                                  |
| (3) | Excludes 300,000 additional shares which may become issuable under our Amended and Restated 2007 Stock Incentive Plan on or after November 9, 2012 pursuant to evergreen provisions approved by our stockholders, which provide that, on each of the first five anniversaries of the adoption of the 2007 Incentive Plan the shares available for the future grant of awards under the plan shall be increased by the lesser of (i) 300,000 shares and (ii) an amount determined by the board of directors. |
| (4) | Our Amended and Restated 2009 Nonqualified Inducement Stock Option Plan has not been submitted for approval by our stockholders.                                                                                                                                                                                                                                                                                                                                                                                      |

----

|   | • |   | we have been or are to be a participant;                                                                                                                                                                                                            |
|--------|---------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   | • |   | the amount involved exceeds $120,000; and                                                                                                                                                                                                           |
|   | • |   | any of our directors, executive officers or holders of more than 5% of our capital stock, or any immediate family member of or person sharing the household with any of these individuals, had or will have a direct or indirect material interest. |

----

|               |   | Fees   |    |
|--------------------|--------|--------|---------|
| Fee category  |   | 2011   |    |   | 2010 |   |
| Audit fees         |   | $      | 563,744 |   |   | $ | 535,000 |   |
| Audit-related fees |   |   | 5,000   |   |   |   | 40,000 |   |
| Tax fees           |   |   | 78,500  |   |   |   | 31,000 |   |
| All other fees     |   |   | — |   |   |   | — |   |
|               |   |   |    |   |   |   |   |   |
| Total fees         |   | $      | 647,244 |   |   | $ | 606,000 |   |

----

|            |                                                                                                                                                                                                       |                    | Incorporated by Reference |
|-----------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------|---------------------------|
| Exhibit No | Description                                                                                                                                                                                                | FiledwithThisForm10-K/A | Form                      | Filing Date | Exhibit No. |
| 31.1            | Certification of the Chief Executive Officer required by Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934, as amended as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. | X                       |                      |   |   |
| 31.2            | Certification of the Chief Financial Officer required by Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act of 1934, as amended as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. | X                       |                      |   |   |
| 32.1            | Certification of the Chief Executive Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.                                                             | X                       |                      |   |   |
| 32.2            | Certification of the Chief Financial Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.                                                             | X                       |                      |   |   |

----

|   | MEMSIC, INC. |                    |
|--------|--------------|-------------------------|
|   | (Registrant) |                    |
|   |         |                    |   |
|   | By:          | /s/ Yang Zhao      |   |
|   |         | Yang Zhao               |   |
|   |         | Chief Executive Officer |   |
|   |         | and President           |   |