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Form 4 HORNBECK OFFSHORE SERVIC For: Sep 02 Filed by: HORNBECK TODD M

September 4, 2026 4:30 PM
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person *
HORNBECK TODD M
(Last) (First) (Middle)
103 NORTHPARK BOULEVARD, SUITE 300
(Street)
COVINGTON LA 70433
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
HORNBECK OFFSHORE SERVICES, INC. [ HOS ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
See Remarks
3. Date of Earliest Transaction (Month/Day/Year)
09/02/2026
4. If Amendment, Date of 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
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 09/02/2026 A 225,000 (1) A $ 0 5,669,648.112 D
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 Securities Underlying Derivative Security (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: 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) $ 10.6 09/02/2026 A 675,000 09/01/2029 09/02/2036 Common Stock 675,000 $ 0 675,000 D
Performance Restricted Stock Units (2) 09/02/2026 A 500,000 (2) (2) Common Stock 500,000 $ 0 500,000 D
Performance Restricted Stock Units (3) 09/02/2026 A 500,000 (3) (3) Common Stock 1,000,000 $ 0 500,000 D
Explanation of Responses:
1. Represents a grant of 225,000 restricted stock units ("RSUs"), each of which represents a contingent right to receive, upon vesting, one share of common stock, par value $0.00001 per share, of the Issuer ("Common Stock"). The RSUs vest on September 1, 2029.
2. Represents a grant of performance-based RSUs ("PRSUs") with the right to receive one share of Common Stock, upon vesting on December 31, 2029, based on the achievement of specified target annualized gross synergies.
3. Represents a grant of PRSUs with the right to receive up to two shares of Common Stock, upon vesting on June 30, 2028, October 31, 2028, March 31, 2029, June 30, 2029, September 30, 2029, and December 31, 2029, based on the achievement of specified target stock prices.
Remarks:
President and Chief Executive Officer
/s/ Beth A. LaBrosse, as Attorney-in-Fact for Todd M. Hornbeck 09/04/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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