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 *
MOSHAYEDI MANOUCH
  2. Issuer Name and Ticker or Trading Symbol
STEC, INC. [STEC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CHIEF EXECUTIVE OFFICER
(Last)
(First)
(Middle)
C/O STEC, INC., 3001 DAIMLER STREET
3. Date of Earliest Transaction (Month/Day/Year)
04/19/2010
(Street)

SANTA ANA, CA 92705-5812
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 04/19/2010   M   9,354 A $ 11.76 9,354 D  
Common Stock 04/19/2010   M   15,646 A $ 10.69 25,000 D  
Common Stock               3,186,981 I BY TRUST (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Employee Stock Option (right to buy) $ 11.76 04/19/2010   M     9,354 05/07/2009(2) 05/06/2013 Common Stock 9,354 $ 0 28,062 D  
Employee Stock Option (right to buy) $ 10.69 04/19/2010   M     15,646 05/07/2009(2) 05/06/2018 Common Stock 15,646 $ 0 46,938 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MOSHAYEDI MANOUCH
C/O STEC, INC.
3001 DAIMLER STREET
SANTA ANA, CA 92705-5812
  X     CHIEF EXECUTIVE OFFICER  

Signatures

 /s/ Manouch Moshayedi   04/21/2010
**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) These shares are owned directly by the M. and S. Moshayedi Revocable Trust dated 11/16/95 (the "Trust"). The reporting person is the sole trustee under the Trust and disclaims beneficial ownership, except to the extent of his pecuniary interst therein, if any, of the shares held by the Trust.
(2) The options vest and are exercisable in four equal annual installments commencing on May 7, 2009.

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