When did Octave Specialty Group Inc file this 8-K?

Octave Specialty Group Inc (OSG) filed this Current Report (Form 8-K) with the SEC on May 6, 2026. The accession number assigned by EDGAR is 0001628280-26-031377.

What does an 8-K disclose?

Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).

What is the key takeaway from this filing?

Octave Specialty Group reports Q1 2026 results via a May 6, 2026 press release. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.

What Item codes does an 8-K cover?

An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.

Where can I find Octave Specialty Group Inc's prior current reports on EDGAR?

The SEC EDGAR browser lists every 8-K Octave Specialty Group Inc has filed under CIK 874501, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.

Boardroom Alpha

OSG · Current Report (Form 8-K) · Filed May 6, 2026

Octave Specialty Group Inc — Current Report (Form 8-K)

Form

8-K

Filed

May 6, 2026

Period

May 6, 2026

Ticker

OSG

Accession

0001628280-26-031377

Octave Specialty Group Inc on Boardroom Alpha View on SEC EDGAR

Boardroom Alpha · Filing insights

Octave Specialty Group reports Q1 2026 results via a May 6, 2026 press release.

About Octave Specialty Group Inc

Market cap

$233M

1Y TSR

−24.9%

3Y TSR

−27.3%

Board grade

C-

Sector

Financial Services

CEO

Claude Leblanc

Last annual meeting: May 28, 2026 · View full Octave Specialty Group Inc profile →

ambc-20260506

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549


FORM						8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): May 6, 2026


Octave Specialty Group, Inc.
(Exact name of Registrant as specified in its charter)

Delaware

1-10777

13-3621676

(State of incorporation)

(Commission
file number)

(I.R.S. employer
identification no.)


40 Wall Street	New York	NY	10005
(Address of principal executive offices)


	(212)	658-7470
(Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol

Name of each exchange on which registered

Common stock, par value $0.01 per share

OSG

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 under the Securities Act (17 CFR 230.405) or Rule 12b-2 under the Exchange Act (17 CFR 240.12b-2).


Emerging growth company			☐


If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to
Section 13(a) of the Exchange Act.			☐

Item 2.02 Results of Operations and Financial Condition.

On May 6, 2026, Octave Specialty Group, Inc. issued a press release announcing financial results for its first quarter ended March 31, 2026. Exhibit 99.1 is a copy of such press release and is incorporated by reference.

The information furnished pursuant to this Item 2.02, including Exhibit 99.1 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities under that Section and shall not be deemed to be incorporated by reference into any filing of Octave Specialty Group, Inc. under the Securities Act of 1933 or the Exchange Act.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits


Exhibit
Number						Exhibit Description
99.1						Press Release dated May 6, 2026

EXHIBIT INDEX


Exhibit
Number						Exhibit Description
99.1						Press Release dated May 6 , 2026
101.INS						XBRL Instance Document - the instance document does not appear in the interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH						XBRL Taxonomy Extension Schema Document.
101.CAL						XBRL Taxonomy Extension Calculation Linkbase Document.
101.LAB						XBRL Taxonomy Extension Label Linkbase Document.
101.PRE						XBRL Taxonomy Extension Presentation Linkbase Document.
101.DEF						XBRL Taxonomy Extension Definition Linkbase Document.
104						Cover Page Interactive Data File - The cover page interactive data file does not appear in the Interactive Data File because its XBRL tags or embedded within the Inline XBRL document

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Octave Specialty Group, Inc.

(Registrant)

Dated:

May 6, 2026

By:

/s/ Reid Powell

Reid Powell

First Vice President, Assistant General Counsel and Secretary

From this filing to the file

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More filings

Other filings from Octave Specialty Group Inc (OSG)

8-KCurrent Report
May 29, 2026
DEFA14AAdditional Proxy Materials
May 14, 2026
10-QQuarterly Report
May 6, 2026
DEFA14AAdditional Proxy Materials
Apr 10, 2026
DEF 14AProxy Statement
Apr 10, 2026
8-KCurrent Report
Apr 7, 2026
10-KAnnual Report
Mar 4, 2026
8-KCurrent Report
Feb 23, 2026
8-KCurrent Report
Jan 6, 2026
8-KCurrent Report
Dec 15, 2025
8-KCurrent Report
Nov 10, 2025
10-QQuarterly Report
Nov 10, 2025

Continue researching

Reference

Frequently asked questions

When did Octave Specialty Group Inc file this 8-K?: Octave Specialty Group Inc (OSG) filed this Current Report (Form 8-K) with the SEC on May 6, 2026. The accession number assigned by EDGAR is 0001628280-26-031377.
What does an 8-K disclose?: Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?: Octave Specialty Group reports Q1 2026 results via a May 6, 2026 press release. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?: An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Octave Specialty Group Inc's prior current reports on EDGAR?: The SEC EDGAR browser lists every 8-K Octave Specialty Group Inc has filed under CIK 874501, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.

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