Jeffrey Scott Stein - 01 Apr 2026 Form 4 Insider Report for OCTAVE SPECIALTY GROUP INC (OSG)

Reporting relationship: Director
Issuer ticker: OSG
Reported as of: 01 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Apr 2026, 16:39:11 UTC
Prior SEC filing: 05 Jan 2026
Next SEC filing: 29 Apr 2026
Source filing: View source filing
Reporting owner signature: William J. White, attorney in fact

Key filing fact

Jeffrey Scott Stein filed Form 4 for OCTAVE SPECIALTY GROUP INC (OSG) on 02 Apr 2026.

Key facts

This page summarizes Jeffrey Scott Stein's Form 4 filing for OCTAVE SPECIALTY GROUP INC (OSG).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 02 Apr 2026, 16:39.

Change

Previous filing in this sequence was filed on 05 Jan 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001559518 Primary reporting owner

Stein Jeffrey Scott

Relationship: Director
Address: C/O OCTAVE SPECIALTY GROUP, INC., 40 WALL STREET, 55TH FLOOR, NEW YORK
Signature: William J. White, attorney in fact
Signature date: 02 Apr 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

OSG transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +7,441
Change %: +86%
Price: $0.000000^*
Shares after: 16,091
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,441
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Octave Specialty Group, Inc. (the "Company").

Footnote F2

RSU's granted on April 1, 2026 shall vest one year later on April 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the Reporting person.