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HORNBECK OFFSHORE SERVICES, INC.

For the period ended Sep 30, 2026. Filed Nov 9, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 9, 2026

HOS$5.38+1.3%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 5. —Other Information

(c)

During the quarter ended September 30, 2026, the following “officers”adopted orterminated “Rule 10b5-1 trading arrangements,” as each term is defined in Item 408(a) of Regulation S-K. During the quarter ended September 30, 2026, no other director or “officer” of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement."

Trading Arrangement
Name(Title) · Action Taken(Date of Action) · Rule 10b5-1* · Non-Rule 10b5-1** · Nature of Trading Arrangement · Expiration Date · Total Number of Shares to be Sold/Purchased
Todd Hornbeck (President, Chief Executive Officer and Director)Adoption(September 1, 2026) †XSale of theCompany’scommon stock awarded prior to the Merger under Legacy Hornbeck's management incentive plan adopted on September 4, 2020, pursuant to the terms of the plan and after the expiration of the applicable lock-up period and cooling-off period.December 31, 20271,170,405
Sam Giberga (Executive Vice President, General Counsel and Secretary)Adoption(September 15, 2026)XSale of theCompany’scommon stock awarded prior to the Merger under Legacy Hornbeck's management incentive plan adopted on September 4, 2020, pursuant to the terms of the plan and after the expiration of the applicable lock-up period and cooling-off period.December 30, 20271,362,653
Potter Adams(Executive Vice President and Chief Financial Officer)Adoption(September 1, 2026)XSale of theCompany’scommon stock awarded prior to the Merger under Legacy Hornbeck's management incentive plan adopted on September 4, 2020, pursuant to the terms of the plan and after the expiration of the applicable lock-up period and cooling-off period.August 31, 2027139,832
Brian Cook (Executive Vice President and Chief Accounting Officer)Adoption(September 1, 2026)XSale of theCompany’scommon stock awarded prior to the Merger under Legacy Hornbeck's management incentive plan adopted on September 4, 2020, pursuant to the terms of the plan and after the expiration of the applicable lock-up period and cooling-off period.August 31, 2027139,637

† Mr. Hornbeck's plan was subsequently terminated on November 9, 2026. No shares of Company common stock were sold under the plan prior to termination.

  • Intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act.

** Not intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.