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 *
HORNBECK TODD M
   2. Issuer Name and Ticker or Trading Symbol
HORNBECK OFFSHORE SERVICES INC /LA [HOS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President & CEO
(Last)
(First)
(Middle)
103 NORTHPARK BOULEVARD, SUITE 300		 3. Date of Earliest Transaction (Month/Day/Year)
02/23/2011
(Street)

COVINGTON, LA 70433		 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 02/23/2011   A   41,633 (1) A $ 0 749,015 D  
COMMON STOCK 02/23/2011   A   41,634 (4) A $ 0 790,649 D  
COMMON STOCK 02/24/2011   S   6,060 (6) D $ 27.024 (7) 28,400 I By Limited Partnership (2)
COMMON STOCK 02/25/2011   S   28,400 (6) D $ 27.1578 (8) 0 I By Limited Partnership (2)
COMMON STOCK               1,650 I By Wife
COMMON STOCK               50,000 I By Family Trusts (3)
COMMON STOCK               70 I By UTMA custodian for child
COMMON STOCK               220 I By IRA

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
STOCK OPTION (RIGHT TO BUY) $ 24.86 02/23/2011   A   83,266   02/23/2012(5) 02/23/2021 COMMON STOCK 83,266 $ 0 83,266 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
HORNBECK TODD M
103 NORTHPARK BOULEVARD, SUITE 300
COVINGTON, LA 70433		   X     President & CEO  

Signatures

 /s/ Paul M. Ordogne, as poa for Todd M. Hornbeck   02/25/2011
**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) These time-vest restricted stock unit awards will vest in three equal annual installments on the 1st, 2nd and 3rd anniversaries of the Grant Date.
(2) Represents shares beneficially owned by the Reporting Person through a limited partnership.
(3) Represents shares beneficially owned by Reporting Person through various family trusts.
(4) These performance-vest restricted stock unit awards can vest in whole or in part on the 3rd, 4th, and/or 5th anniversaries of the Grant Date based upon the Company achieving certain levels of specified performance objectives.
(5) The option provides for vesting in three equal annual installments on the 1st, 2nd and 3rd anniversaries of the Grant Date.
(6) This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the limited partnership on December 17, 2010. This sale represents shares transacted as part of the Reporting Person's extended family's overall wealth planning program.
(7) The price represents the weighted average sale price for multiple transactions reported on this line. Sale prices ranged from $27.00 to $27.20. Reporting Person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares purchased at each separate purchase price.
(8) The price represents the weighted average sale price for multiple transactions reported on this line. Sale prices ranged from $27.00 to $27.57. Reporting Person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares purchased at each separate purchase price.

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