Hornbeck Offshore: Former director proposes $606K sale

The proposed shares are traced to six restricted-stock vestings dated from September 2023 through September 2026.

Rhea-AI Filing Summary

HORNBECK OFFSHORE SERVICES, INC. (HOS) identifies former director Paula Harris as proposing to sell 73,783 common shares through Fidelity Brokerage Services LLC, with an aggregate market value of $606,459.23 and an approximate sale date of September 25, 2026. The listed shares came from restricted-stock vestings dated September 22, 2023; December 7, 2023; January 1, 2024; December 6, 2024; January 1, 2025; and September 1, 2026.

Key Figures

Proposed common shares for sale: 73,783 shares Aggregate market value: $606,459.23 Shares outstanding: 147,382,447 shares

3 metrics

Proposed common shares for sale 73,783 shares Approximate sale date September 25, 2026

Aggregate market value $606,459.23 Shares proposed for sale

Shares outstanding 147,382,447 shares Number listed in the sale information

Key Terms

Rule 144, Restricted Stock Vesting, aggregate market value, shares outstanding

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

aggregate market value financial

"Aggregate market value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

shares outstanding financial

"Number of shares outstanding"

Shares outstanding are the total number of a company’s stock units held by all shareholders, including institutional investors and company insiders — think of them as the total number of slices of the company’s ownership pie. Investors use this number to calculate how much of the company each share represents, and it directly affects per-share measures like earnings per share, ownership percentage and valuation; when the slice count changes, an investor’s claim and the company’s per-share metrics change too.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many HOS shares did Paula Harris propose to sell?

Paula Harris proposed to sell 73,783 HOS common shares through Fidelity Brokerage Services LLC, with an aggregate market value of $606,459.23 and an approximate sale date of September 25, 2026.

What acquisition transactions are listed for Paula Harris’s HOS shares?

The listed acquisition history comprises restricted-stock vestings of 7,537 shares on September 22, 2023; 19,598 on December 7, 2023; 509 on January 1, 2024; 13,265 on December 6, 2024; 9,166 on January 1, 2025; and 23,708 on September 1, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/25/2026 - 12:33 PM Accepted by SEC EDGAR 09/25/2026 - 12:32 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001880259
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	HORNBECK OFFSHORE SERVICES, INC.
SEC File Number	001-32936
Address of Issuer	103 NORTHPARK BOULEVARD SUITE 300 COVINGTON LOUISIANA 70433
Phone	985-727-2000
Name of Person for Whose Account the Securities are To Be Sold	Harris Paula
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Former Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	73783	606459.23	147382447	09/25/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/22/2023	Restricted Stock Vesting	Issuer			7537	09/22/2023	Compensation
Common	12/07/2023	Restricted Stock Vesting	Issuer			19598	12/07/2023	Compensation
Common	01/01/2024	Restricted Stock Vesting	Issuer			509	01/01/2024	Compensation
Common	12/06/2024	Restricted Stock Vesting	Issuer			13265	12/06/2024	Compensation
Common	01/01/2025	Restricted Stock Vesting	Issuer			9166	01/01/2025	Compensation
Common	09/01/2026	Restricted Stock Vesting	Issuer			23708	09/01/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	Paula Harris and Paula McCann are one and the same person.
Date of Notice	09/25/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Paula Mccann
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)