[Form 4] Accelerant Holdings Insider Trading Activity

Rhea-AI Filing Summary

On 07/25/2025, Accelerant Holdings (ARX) Chief Operating Officer, Risk Exchange, Matthew David Sternberg filed a Form 4 reporting the award of 152,264 Class A Restricted Stock Units (RSUs). Each RSU entitles the holder to one Class A common share upon vesting. The transaction was coded "A" (acquisition) and carried a $0 exercise price, indicating an equity-compensation grant rather than an open-market purchase. After the grant, Sternberg’s direct beneficial ownership stands at 152,264 shares. No sales, derivative securities, or additional transactions were disclosed.

Positive

• 152,264 RSUs granted to the COO increase insider equity alignment without immediate dilution or cash cost.

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine RSU grant; neutral impact on valuation, slight alignment of insider incentives.

The filing shows Sternberg acquiring 152,264 RSUs at no cost, bringing his direct holdings to the same amount. Because the shares are contingent and carry no cash outlay, there is no immediate balance-sheet or cash-flow effect. While insider accumulation can signal confidence, this grant appears to be standard executive compensation and does not materially alter share count or ownership structure. Therefore, the short-term market impact is expected to be minimal.

Corporate Governance Specialist

TL;DR: Standard equity compensation; promotes alignment, but no red flags detected.

Equity awards like these RSUs are common tools to align management with shareholder interests. The absence of simultaneous sales suggests the executive is not monetising holdings in the near term. Compliance with Section 16 timing and a prompt signature by an attorney-in-fact demonstrate procedural adherence. No indication of preferential pricing or excessive size relative to typical peer grants is evident, so governance risk remains unchanged.

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

1. Name and Address of Reporting Person^*

Sternberg Matthew David

(Last) (First) (Middle)

UNIT 106, WINDWARD 3

REGATTA OFFICE PARK, WEST BAY ROAD

(Street)

GRAND CAYMAN E9 KY1-1108

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Accelerant Holdings [ ARX ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	COO, Risk Exchange

3. Date of Earliest Transaction (Month/Day/Year)
07/25/2025

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

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

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

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
Class A Common Shares	07/25/2025		A		152,264(1)	A	$0	152,264(1)	D

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

Explanation of Responses:

1. Represents Restricted Stock Units ("RSUs"), each one of which represents the contingent right to receive one Class A Common Share.

	/s/ Robert Hardy, Attorney-in-Fact	07/29/2025
	** 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.

FAQ

How many Accelerant Holdings (ARX) shares did Matthew Sternberg acquire?

He received 152,264 Class A Restricted Stock Units on 07/25/2025.

What price was paid for the RSUs reported in the Form 4?

The RSUs were awarded at $0 per share as part of compensation.

What is Sternberg’s total direct ownership after the transaction?

His direct beneficial ownership is now 152,264 Class A shares.

What position does Matthew Sternberg hold at Accelerant Holdings?

He is the Chief Operating Officer, Risk Exchange.

When was the Form 4 filed?

The filing was signed and submitted on 07/29/2025.