STOCK TITAN

Hornbeck investor reports warrants for 29.6M shares

Two Whitebox entities report significant indirect holdings in Hornbeck Offshore via common stock and Jones Act Warrants subject to a 4.9% ownership cap for non‑U.S. holders.

(High)
(Neutral)
Form Type
3

Rhea-AI Filing Summary

HORNBECK OFFSHORE SERVICES, INC. (HLX) reported that investment manager Whitebox Advisors LLC and Whitebox General Partner LLC, each a ten percent owner, have filed an initial statement of beneficial ownership. The report shows indirect holdings through certain private investment funds in both common stock and Jones Act Warrants.

The private funds hold Jones Act Warrants that are immediately exercisable for up to 29,634,393 shares of Common Stock in total, without giving effect to a Beneficial Ownership Limitation tied to U.S. citizenship requirements. Separately, the private funds also indirectly hold 8,239,303 shares of Common Stock.

The filing notes that the Jones Act Warrants have no expiration date and carry a nominal exercise price of $0.00001 per share. Exercise of these warrants is constrained for non‑U.S. citizens by a 4.9% Beneficial Ownership Limitation based on the issuer’s common shares outstanding, and each reporting person disclaims beneficial ownership beyond its pecuniary interest.

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Insider WHITEBOX ADVISORS LLC, WHITEBOX GENERAL PARTNER LLC
Role 10% Owner | 10% Owner
Type Security Shares Price Value
holding Warrants (right to buy) F6, F3, F4, F5, F1, F2 -- -- --
holding Common Stock F1, F2 -- -- --
Holdings After Transaction: Warrants (right to buy) — 29,634,393 contracts (Indirect, See Footnotes); Common Stock — 8,239,303 shares (Indirect, See Footnotes)
Footnotes (6)
  1. F1. These securities are directly owned by certain private investment funds (the "Private Funds") and may be deemed to be beneficially owned by (a) Whitebox Advisors LLC by virtue of its role as the investment manager of the Private Funds and (b) Whitebox General Partner LLC by virtue of its role as the general partner of the Private Funds.
  2. F2. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
  3. F3. These warrants (the "Jones Act Warrants") are immediately exercisable, subject to certain restrictions on ownership of the Issuer's capital stock by non-U.S. citizens, including a beneficial ownership limitation (the "Beneficial Ownership Limitation") that prevents any holder that cannot establish to the Issuer's reasonable satisfaction that it is a "U.S. Citizen" within the meaning of the U.S. citizenship and cabotage laws commonly referred to as the "Jones Act" (principally 46 U.S.C. Section 50501(a), (b), and (d) and 46 U.S.C. Chapters 121 and 551) from exercising the Jones Act Warrants to the extent that, after giving effect to the issuance of shares of Common Stock upon such exercise, the holder would beneficially own more than 4.9% of the shares of Common Stock outstanding.
  4. F4. These warrants have no expiration date.
  5. F5. The Private Funds own an aggregate 2,885,061 Jones Act Warrants, each exercisable for 10.27167 shares of Common Stock, without giving effect to the Beneficial Ownership Limitation. Based solely on the application of the Beneficial Ownership Limitation to each Private Fund individually, and based on 222,166,587 shares of Common Stock outstanding as of September 9, 2026, provided by the Issuer, the Jones Act Warrants held by the Private Funds would be exercisable for up to an aggregate 21,435,064 shares of Common Stock.
  6. F6. The exercise price of these warrants is $0.00001 per share.
Jones Act Warrants held 2,885,061 warrants Aggregate Jones Act Warrants owned by the private funds
Underlying shares from Jones Act Warrants (unlimited basis) 29,634,393 shares Total Common Stock initially exercisable without applying the Beneficial Ownership Limitation
Underlying shares from Jones Act Warrants (after limitation) 21,435,064 shares Maximum aggregate shares exercisable after applying Beneficial Ownership Limitation to each private fund
Indirectly held Common Stock 8,239,303 shares Indirect Common Stock position reported as of the Form 3 date
Common Stock outstanding 222,166,587 shares Shares of Common Stock outstanding as of September 9, 2026, provided by the issuer
Warrant exercise price $0.00001 per share Exercise price of the Jones Act Warrants
Beneficial Ownership Limitation 4.9% Cap on beneficial ownership for non‑U.S. citizens exercising Jones Act Warrants
Jones Act Warrants regulatory
"These warrants (the "Jones Act Warrants") are immediately exercisable"
Beneficial Ownership Limitation regulatory
"including a beneficial ownership limitation (the "Beneficial Ownership Limitation")"
A beneficial ownership limitation is a rule that caps the percentage of a company’s shares an investor can be treated as owning or controlling for voting, regulatory or tax purposes. It matters to investors because it can restrict how many shares a person or group can buy or vote, affect takeover chances, and influence share liquidity and value — like a speed limit that prevents any single driver from taking over the whole road.
pecuniary interest financial
"disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest"
U.S. Citizen regulatory
"cannot establish to the Issuer's reasonable satisfaction that it is a "U.S. Citizen""
cabotage laws regulatory
"within the meaning of the U.S. citizenship and cabotage laws commonly referred to as the "Jones Act""

FAQ

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

What did the new Form 3 disclose about HLX ownership by Whitebox entities?

The Form 3 shows that Whitebox Advisors LLC and Whitebox General Partner LLC, as ten percent owners, indirectly hold 8,239,303 shares of Common Stock and Jones Act Warrants initially exercisable for up to 29,634,393 shares of Hornbeck Offshore common stock through private funds.

What is the Beneficial Ownership Limitation on the HLX Jones Act Warrants?

For holders that cannot demonstrate they are a U.S. Citizen under the Jones Act, a 4.9% Beneficial Ownership Limitation prevents exercising Jones Act Warrants to the extent post‑exercise beneficial ownership would exceed 4.9% of Common Stock outstanding.

How many HLX shares could the Jones Act Warrants be exercised for after applying the limitation?

Based on 222,166,587 shares of Common Stock outstanding as of September 9, 2026, and applying the Beneficial Ownership Limitation to each private fund individually, the Jones Act Warrants held by the private funds would be exercisable for up to an aggregate 21,435,064 shares of Common Stock.

What is the exercise price and term of the HLX Jones Act Warrants?

The Jones Act Warrants reported have an exercise price of $0.00001 per share and no expiration date. They are described as immediately exercisable, subject to the Jones Act citizenship‑based Beneficial Ownership Limitation.

Do the Whitebox reporting persons claim full beneficial ownership of the HLX securities?

No. Each reporting person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest in them, and states that the filing should not be deemed an admission of beneficial ownership for Section 16 or other purposes.

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

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SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
WHITEBOX ADVISORS LLC

(Last)(First)(Middle)
3033 EXCELSIOR BLVD.
SUITE 500

(Street)
MINNEAPOLIS MINNESOTA 55416

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
09/01/2026
3. Issuer Name and Ticker or Trading Symbol
HORNBECK OFFSHORE SERVICES, INC. [ HOS ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
DirectorX10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock8,239,303ISee Footnotes(1)(2)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Warrants (right to buy) (3) (4)Common Stock29,634,393(5)(6)ISee Footnotes(1)(2)
1. Name and Address of Reporting Person*
WHITEBOX ADVISORS LLC

(Last)(First)(Middle)
3033 EXCELSIOR BLVD.
SUITE 500

(Street)
MINNEAPOLIS MINNESOTA 55416

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
WHITEBOX GENERAL PARTNER LLC

(Last)(First)(Middle)
3033 EXCELSIOR BLVD.
SUITE 500

(Street)
MINNEAPOLIS MINNESOTA 55416

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
1. These securities are directly owned by certain private investment funds (the "Private Funds") and may be deemed to be beneficially owned by (a) Whitebox Advisors LLC by virtue of its role as the investment manager of the Private Funds and (b) Whitebox General Partner LLC by virtue of its role as the general partner of the Private Funds.
2. Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
3. These warrants (the "Jones Act Warrants") are immediately exercisable, subject to certain restrictions on ownership of the Issuer's capital stock by non-U.S. citizens, including a beneficial ownership limitation (the "Beneficial Ownership Limitation") that prevents any holder that cannot establish to the Issuer's reasonable satisfaction that it is a "U.S. Citizen" within the meaning of the U.S. citizenship and cabotage laws commonly referred to as the "Jones Act" (principally 46 U.S.C. Section 50501(a), (b), and (d) and 46 U.S.C. Chapters 121 and 551) from exercising the Jones Act Warrants to the extent that, after giving effect to the issuance of shares of Common Stock upon such exercise, the holder would beneficially own more than 4.9% of the shares of Common Stock outstanding.
4. These warrants have no expiration date.
5. The Private Funds own an aggregate 2,885,061 Jones Act Warrants, each exercisable for 10.27167 shares of Common Stock, without giving effect to the Beneficial Ownership Limitation. Based solely on the application of the Beneficial Ownership Limitation to each Private Fund individually, and based on 222,166,587 shares of Common Stock outstanding as of September 9, 2026, provided by the Issuer, the Jones Act Warrants held by the Private Funds would be exercisable for up to an aggregate 21,435,064 shares of Common Stock.
6. The exercise price of these warrants is $0.00001 per share.
Whitebox Advisors LLC By: /s/ Muqu Karim, Chief Operating Officer & Chief Financial Officer09/11/2026
Whitebox General Partner LLC By: /s/ Muqu Karim, Authorized Signatory09/11/2026
** Signature of Reporting PersonDate
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 5 (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 3: SEC 1473 (03-26)

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