ONeill Francis James - 18 Nov 2025 Form 4 Insider Report for Accelerant Holdings (ARX)

Role: Co-Founder, Chief U/W Officer
Signature: /s/ David Pelsue, Attorney-in-Fact
Issuer symbol: ARX
Transactions as of: 18 Nov 2025
Net transactions value: +$506,810
Form type: 4
Filing time: 20 Nov 2025, 16:12:47 UTC
Previous filing: 29 Jul 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
ONeill Francis James	Co-Founder, Chief U/W Officer	UNIT 106, WINDWARD 3, REGATTA OFFICE PARK, WEST BAY ROAD, GRAND CAYMAN, CAYMAN ISLANDS	/s/ David Pelsue, Attorney-in-Fact	20 Nov 2025	0002008632

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ARX	Class A Common Shares	Purchase	$506,810	+38,000	+0.53%	$13.34	7,235,125	18 Nov 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 above reflects the weighted average purchase price. This transaction was executed in multiple trades at prices ranging from $12.84 to $13.70, 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.
F2	This number reflects a minor adjustment to account for a correction in the number of Class A Common Shares reported as beneficially owned by the Reporting Person following the closing of the Issuer's initial public offering on July 25, 2025, as reported in the Form 4 filed by the Reporting Person on July 29, 2025.

Content

The price reported in Column 4 above reflects the weighted average purchase price. This transaction was executed in multiple trades at prices ranging from $12.84 to $13.70, 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.

This number reflects a minor adjustment to account for a correction in the number of Class A Common Shares reported as beneficially owned by the Reporting Person following the closing of the Issuer's initial public offering on July 25, 2025, as reported in the Form 4 filed by the Reporting Person on July 29, 2025.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney