Octave Specialty Group grants director 8,224 stock units

The units are scheduled to vest on October 1, 2027; settlement can occur earlier if the director leaves the board.

Rhea-AI Filing Summary

Octave Specialty Group Inc. (OSG) director Ian David Haft was granted 8,224 restricted stock units on October 1, 2026. Each unit represents a contingent right to receive one common share, and the units vest on October 1, 2027. His reported direct position after the grant was 30,815 RSUs.

Insider Trade Summary

Grant/Award: 8,224 shares

Grant/Award 1 txn

Insider HAFT IAN DAVID

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units F1, F2	8,224	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 30,815 contracts (Direct)

Footnotes (2)

1. 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").
2. F2. RSU's granted on October 1, 2026 shall vest one year later on October 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.

Key Figures

RSUs granted: 8,224 restricted stock units Reported direct RSU position after award: 30,815 restricted stock units Shares underlying each RSU: 1 common share per RSU +1 more

4 metrics

RSUs granted 8,224 restricted stock units Direct award on October 1, 2026

Reported direct RSU position after award 30,815 restricted stock units Following the October 1, 2026 award

Shares underlying each RSU 1 common share per RSU Each RSU represents a contingent right to receive one share

Vesting date October 1, 2027 RSUs granted October 1, 2026 vest one year later

Key Terms

restricted stock unit (RSU), contingent right, settle and convert

3 terms

restricted stock unit (RSU) technical

"Each restricted stock unit ("RSU") represents a contingent right"

A restricted stock unit (RSU) is a promise from a company to give an employee company shares (or cash equal to their value) at a future date if certain conditions are met, such as staying with the company or hitting performance targets. For investors, RSUs matter because when they convert into actual shares they increase the number of shares available and can create selling pressure as employees cash out—think of them as a future paycheck paid in company stock.

contingent right technical

"represents a contingent right to receive one share"

settle and convert technical

"shall settle and convert into shares of common stock"

FAQ

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

How many RSUs did OSG director Ian David Haft receive?

Ian David Haft, a director of Octave Specialty Group Inc. (OSG), received 8,224 RSUs on October 1, 2026. His reported direct position after the award was 30,815 RSUs.

When will Ian David Haft's OSG RSUs convert into common shares?

Vested RSUs settle and convert into common shares on the earlier of the vesting date, October 1, 2027, or the date Ian David Haft resigns from or otherwise ceases to be a Board member. He may elect to defer settlement.

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

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Available on EDGAR 10/05/2026 - 04:25 PM Accepted by SEC EDGAR 10/05/2026 - 04:25 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HAFT IAN DAVID

(Last) (First) (Middle)

C/O OCTAVE SPECIALTY GROUP, INC.

40 WALL STREET, 55TH FLOOR

(Street)

NEW YORK NEW YORK 10005

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
OCTAVE SPECIALTY GROUP INC [ OSG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	10/01/2026		A		8,224		(2)	(2)	Common Stock	8,224	$0	30,815	D

Explanation of Responses:

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

2. RSU's granted on October 1, 2026 shall vest one year later on October 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.

Remarks:

Exhibit 24.1 Power of Attorney

	Reid Powell, attorney-in-fact	10/05/2026
	** Signature of Reporting Person	Date
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 4 (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 4: SEC 1474 (03-26)