Octave Specialty Group (OSG) director granted 7,441 RSUs as equity compensation

Rhea-AI Filing Summary

Matus Kristi Ann reported acquisition or exercise transactions in this Form 4 filing.

Octave Specialty Group Inc. director Kristi Ann Matus received a grant of 7,441 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the company’s common stock. Following this grant, she holds 16,091 RSUs directly.

The RSUs granted on April 1, 2026 are scheduled to vest on April 1, 2027. Once vested, they will settle into common shares on the earlier of the vesting date or the date she ceases to serve on the Board of Directors, subject to any deferral election.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Matus Kristi Ann

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	7,441	$0.00	--

Holdings After Transaction: Restricted Stock Units — 16,091 shares (Direct)

Footnotes (1)

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"). 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.

Key Figures

RSUs granted: 7,441 units Holdings after grant: 16,091 units RSU-to-share ratio: 1 RSU = 1 share +1 more

4 metrics

RSUs granted 7,441 units Restricted stock units granted on April 1, 2026

Holdings after grant 16,091 units Total restricted stock units directly held after transaction

RSU-to-share ratio 1 RSU = 1 share Each RSU converts into one share of common stock

Vesting date April 1, 2027 Scheduled vesting date for the 7,441 RSUs granted

Key Terms

Restricted Stock Units, contingent right, vest, settle and convert, +1 more

5 terms

Restricted Stock Units financial

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

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"represents a contingent right to receive one share of the common stock"

vest financial

"RSU's granted on April 1, 2026 shall vest one year later"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

settle and convert financial

"RSUs that have become vested shall settle and convert into shares"

Board of Directors financial

"ceases to be a member of, the Board of Directors of the Company"

The Board of Directors is a group of people chosen by a company's owners to help make big decisions and oversee how the company is run. They act like a team of advisors or managers, making sure the company stays on track and meets its goals. Their choices can influence the company's success and how it grows.

Form 4 Insider Transactions: What Each Field Means →

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^*

Matus Kristi Ann

(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)
04/01/2026

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)	04/01/2026		A		7,441		(2)	(2)	Common Stock	7,441	$0	16,091	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 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.

Remarks:

	William J. White, attorney in fact	04/02/2026
	** 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)

FAQ

What insider transaction did OSG director Kristi Ann Matus report?

Kristi Ann Matus reported receiving a grant of 7,441 restricted stock units from Octave Specialty Group Inc. The grant is compensation in equity form, not an open-market purchase, and increases her total directly held RSUs to 16,091 after the transaction.

When do the new OSG restricted stock units granted to Kristi Ann Matus vest?

The 7,441 restricted stock units granted to Kristi Ann Matus vest on April 1, 2027. Once vested, they convert into common shares on the earlier of that vesting date or when she leaves the Board, unless she elects to defer settlement further.

How many OSG restricted stock units does Kristi Ann Matus hold after this Form 4?

After this award, Kristi Ann Matus holds 16,091 restricted stock units in Octave Specialty Group Inc. All of these are reported as directly owned. Each unit represents a contingent right to receive one share of the company’s common stock upon settlement.

What does each OSG restricted stock unit (RSU) granted to Kristi Ann Matus represent?

Each restricted stock unit represents a contingent right to receive one share of Octave Specialty Group Inc. common stock. The units do not deliver shares immediately; they convert into shares after vesting and settlement conditions described in the grant’s terms are met.

Is the OSG Form 4 for Kristi Ann Matus a stock purchase or compensation grant?

The filing reflects a compensation grant, not a market purchase. Kristi Ann Matus received 7,441 restricted stock units at a stated price of $0.00 per unit, categorized as a grant or award acquisition, typical of director or executive equity-based compensation.