SEC FORM 4

SEC FORM 4SEC Form 4

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

KRATZ OWEN E

(Last)

(First)

(Middle)

3505 WEST SAM HOUSTON PKWY NORTH

SUITE 400

(Street)

HOUSTON

TEXAS

77043

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
HORNBECK OFFSHORE SERVICES, INC. [ HOS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		See Remarks

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Performance Share Units	⁽¹⁾⁽²⁾	09/01/2026		M			262,646	⁽¹⁾⁽²⁾	⁽¹⁾⁽²⁾	Common Stock	262,646	$0	0	D
Performance Share Units	⁽¹⁾⁽³⁾	09/01/2026		M			257,833	⁽¹⁾⁽³⁾	⁽¹⁾⁽³⁾	Common Stock	257,833	$0	0	D
Performance Share Units	⁽¹⁾⁽⁴⁾	09/01/2026		M			488,038	⁽¹⁾⁽⁴⁾	⁽¹⁾⁽⁴⁾	Common Stock	488,038	$0	0	D
Restricted Stock Units	⁽¹⁾⁽⁵⁾	09/01/2026		M			58,366	⁽¹⁾⁽⁵⁾	⁽¹⁾⁽⁵⁾	Common Stock	58,366	$0	0	D
Restricted Stock Units	⁽¹⁾⁽⁶⁾	09/01/2026		M			128,756	⁽¹⁾⁽⁶⁾	⁽¹⁾⁽⁶⁾	Common Stock	128,756	$0	0	D
Restricted Stock Units	⁽¹⁾⁽⁷⁾	09/01/2026		M			287,081	⁽¹⁾⁽⁷⁾	⁽¹⁾⁽⁷⁾	Common Stock	287,081	$0	0	D

Explanation of Responses:

1. Pursuant to the terms of the Agreement and Plan of Merger, dated as of April 22, 2026, by and among Helix Energy Solutions Group, Inc. Odyssey Sub, Inc., Hercules Sub LLC and Hornbeck Offshore Services, Inc. (the "Merger Agreement"), each award of performance share units (a "Parent PSU Award") and each award of restricted stock units (a "Parent RSU Award") owned by the reporting person as of the Effective Time was canceled in exchange for an amount in cash equal to the number of shares of Parent Common Stock subject to such Parent PSU Award or Parent RSU Award multiplied by the closing price of a share of Parent Common Stock on the NYSE on the Trading Day immediately prior to the Closing Date, which was $10.30.

2. Each performance share unit subject to the Parent PSU Award granted on January 1, 2024 ("2024 Parent PSU Award") pursuant to the Parent's 2005 Long-Term Incentive Plan (as amended, the "LTIP") represented the contingent right to receive one share of Parent Common Stock subject to the terms of the LTIP and the 2024 Parent PSU Award agreement, subject to the level of achievement with respect to the applicable performance criteria. On August 31, 2026, the Compensation Committee determined that 150.0% of the 2024 Parent PSU Award was earned by the reporting person.

3. Each performance share unit subject to the Parent PSU Award granted on January 1, 2025 ("2025 Parent PSU Award") pursuant to the LTIP represented the contingent right to receive one share of Parent Common Stock subject to the terms of the LTIP and the 2025 Parent PSU Award agreement, subject to the level of achievement with respect to the applicable performance criteria. On August 31, 2026, the Compensation Committee determined that 133.5% of the 2025 Parent PSU Award was earned by the reporting person.

4. Each performance share unit subject to the Parent PSU Award granted on January 1, 2026 ("2026 Parent PSU Award") pursuant to the LTIP represented the contingent right to receive one share of Parent Common Stock subject to the terms of the LTIP and the 2026 Parent PSU Award agreement, subject to the level of achievement with respect to the applicable performance criteria. On August 31, 2026, the Compensation Committee determined that 170.0% of the 2026 Parent PSU Award was earned by the reporting person.

5. Each restricted stock unit subject to the Parent RSU Award granted on January 1, 2024 ("2024 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Forfeiture restrictions lapsed with respect to one-third of the 2024 Parent RSU Award on January 1, 2025, forfeiture restrictions with respect to an additional one-third of the award lapsed on January 1, 2026 and, pursuant to the Merger Agreement, the remaining forfeiture restrictions with respect to the award lapsed on September 1, 2026.

6. Each restricted stock unit subject to the Parent RSU Award granted on January 1, 2025 ("2025 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Forfeiture restrictions lapsed with respect to one-third of the 2025 Parent RSU Award on January 1, 2026 and, pursuant to the terms of the Merger Agreement, the remaining forfeiture restrictions with respect to the award lapsed on September 1, 2026.

7. Each restricted stock unit subject to the Parent RSU Award granted on January 1, 2026 ("2026 Parent RSU Award") represented the contingent right to receive one share of Parent Common Stock. Pursuant to the terms of the Merger Agreement, all forfeiture restrictions with respect to the 2026 Parent RSU Award lapsed on September 1, 2026.

Remarks:

FORMER DIRECTOR, PRESIDENT & CEO Following the transactions contemplated by the Merger Agreement, the reporting person is no longer subject to Section 16 in connection with his transactions in the equity securities of Hornbeck Offshore Services, Inc. (formerly named Helix Energy Solutions Group, Inc.) and therefore will no longer report any such transactions on Form 4 or Form 5. Capitalized terms used herein without definition have the meanings ascribed to them in the Merger Agreement.

	/s/ Owen E. Kratz	09/02/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)