Western Standard LLC reports 5.87% OSG stake in Octave Specialty Group (OSG) filing

Rhea-AI Filing Summary

Octave Specialty Group, Inc. received a Schedule 13G filing from Western Standard LLC, an investment adviser, reporting beneficial ownership of 2,572,446 shares of common stock, representing 5.87% of the class. Western Standard has sole voting and dispositive power over all reported shares.

The filing lists Eric D. Andersen, a U.S. citizen, as Managing Member of Western Standard LLC. The securities are stated to have been acquired and held in the ordinary course of business and not for the purpose of changing or influencing control of Octave Specialty Group.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Octave Specialty Group, Inc.

(Name of Issuer)

Common Stock, $0.01 par value per share

(Title of Class of Securities)

023139884

(CUSIP Number)

11/20/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 023139884

1

Names of Reporting Persons

Western Standard LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CALIFORNIA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 2,572,446.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 2,572,446.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,572,446.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.87 %

12

Type of Reporting Person (See Instructions)

IA, HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Octave Specialty Group, Inc.
(b)	Address of issuer's principal executive offices: One World Trade Center 41st Floor | New York, NY | 10007 | United States
Item 2.
(a)	Name of person filing: Eric D. Andersen
(b)	Address or principal business office or, if none, residence: 5757 Wilshire Blvd, Suite 636 | Los Angeles, CA | 90036 | United States
(c)	Citizenship: Western Standard, LLC is a California limited liability company. Mr. Andersen is a United States citizen.
(d)	Title of class of securities: Common Stock, $0.01 par value per share
(e)	CUSIP No.: 023139884
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 2,572,446
(b)	Percent of class: 5.87%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 2,572,446
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 2,572,446
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Western Standard LLC

Signature:	Eric D. Andersen
Name/Title:	Managing Member of Western Standard LLC
Date:	02/11/2026

FAQ

What ownership stake in OSG does Western Standard LLC report on this Schedule 13G?

Western Standard LLC reports beneficial ownership of 2,572,446 shares of Octave Specialty Group common stock, representing 5.87% of the outstanding class. The firm holds sole voting and sole dispositive power over all of these shares, indicating direct control over how they are voted and sold.

Who is the reporting person in the Octave Specialty Group (OSG) Schedule 13G filing?

The Schedule 13G identifies Western Standard LLC as the reporting person, with Eric D. Andersen signing as Managing Member. Western Standard is described as a California limited liability company and an investment adviser, with its principal business office located in Los Angeles, California, at 5757 Wilshire Blvd.

Is Western Standard LLC part of a group in this OSG Schedule 13G filing?

The filing indicates that Western Standard LLC is reporting on its own and not as part of a group. Items addressing group status, group members, and group dissolution are each marked not applicable, signaling that there is no coordinated group ownership arrangement disclosed for Octave Specialty Group shares.

Does Western Standard LLC seek to influence control of Octave Specialty Group (OSG)?

The certification states the securities were acquired and are held in the ordinary course of business, not to change or influence control of Octave Specialty Group. It further clarifies they are not held in connection with any transaction having that purpose, other than limited nomination-related activities referenced in regulations.

What voting and dispositive powers over OSG shares does Western Standard LLC report?

Western Standard LLC reports sole power to vote, or direct the vote of, 2,572,446 shares, and sole power to dispose of, or direct the disposition of, the same 2,572,446 shares. The filing reports zero shared voting power and zero shared dispositive power over Octave Specialty Group common stock.

When did the ownership level in OSG trigger this Schedule 13G for Western Standard LLC?

The filing lists November 20, 2025 as the date of the event requiring the statement. That date reflects when Western Standard LLC’s beneficial ownership position in Octave Specialty Group common stock reached a level that required public disclosure on Schedule 13G under the applicable SEC beneficial ownership rules.