ARX officer increases stake to 157,964 Accelerant Class A shares

Rhea-AI Filing Summary

Accelerant Holdings reported an insider share purchase by its COO, Risk Exchange. On 11/17/2025, the officer acquired 5,700 Class A Common Shares in a transaction coded as a purchase. The weighted average purchase price was $13.1045 per share, with individual trades executed between $13.08 and $13.12.

Following this transaction, the reporting person beneficially owns 157,964 Class A Common Shares, held directly. The filing notes that detailed trade-by-trade pricing information within the reported range is available upon request from the officer, the company, or the SEC staff.

Insider Trade Summary

Net Buyer: 5,700 shares ($74,696)

Net Buy 1 txn

Insider Sternberg Matthew David

Role COO, Risk Exchange

Bought 5,700 shs ($75K)

Type	Security	Shares	Price	Value
Purchase	Class A Common Shares	5,700	$13.1045	$75K

Holdings After Transaction: Class A Common Shares — 157,964 shares (Direct)

Footnotes (1)

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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^*

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)
11/17/2025

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	11/17/2025		P		5,700	A	$13.1045(1)	157,964	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. The price reported in Column 4 above reflects the weighted average purchase price. This transaction was executed in multiple trades at prices ranging from $13.08 to $13.12, inclusive. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of Class A Common Shares purchased at each respective price within the range set forth in footnote 1 of this Form 4.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

	/s/ David Pelsue, Attorney-in-Fact	11/19/2025
	** 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

What insider transaction did Accelerant Holdings (ARX) report?

The filing reports that an officer of Accelerant Holdings, serving as COO, Risk Exchange, purchased 5,700 Class A Common Shares in an open-market transaction on 11/17/2025.

At what price were the ARX shares bought in this Form 4 filing?

The weighted average purchase price for the 5,700 Class A Common Shares was $13.1045 per share, with trades executed between $13.08 and $13.12.

How many Accelerant Holdings shares does the insider own after this transaction?

After the reported purchase, the officer beneficially owns 157,964 Class A Common Shares of Accelerant Holdings, held in direct ownership.

What is the relationship of the reporting person to Accelerant Holdings (ARX)?

The reporting person is an officer of Accelerant Holdings, with the title COO, Risk Exchange, and the Form 4 indicates the filing is by one reporting person.

How was the pricing range for the ARX insider purchase described?

The filing explains that the $13.1045 price is a weighted average, and the transaction occurred in multiple trades at prices ranging from $13.08 to $13.12, inclusive.

Can investors obtain detailed trade prices for this ARX insider purchase?

Yes. The reporting person undertook to provide, upon request, full information on the number of Class A Common Shares purchased at each price within the $13.08–$13.12 range.