Wendy Liisa Harrington - 23 Jul 2025 Form 4 Insider Report for Accelerant Holdings (ARX)

Role: Director
Signature: /s/ Robert Hardy, Attorney-in-Fact
Issuer symbol: ARX
Transactions as of: 23 Jul 2025
Net transactions value: $0
Form type: 4
Filing time: 25 Jul 2025, 20:30:49 UTC
Next filing: 29 Jul 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Harrington Wendy Liisa	Director	UNIT 106, WINDWARD 3, REGATTA OFFICE PARK, WEST BAY ROAD, GRAND CAYMAN, CAYMAN ISLANDS	/s/ Robert Hardy, Attorney-in-Fact	25 Jul 2025	0002009240

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	ARX	Stock Option (Right to Buy)	Award	$0	+209,515		$0.000000	209,515	23 Jul 2025	Class A Common Shares	209,515	$21.00	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Twenty-five percent (25%) of the Class A Common Shares subject to the option vest on July 23, 2026 (the one-year anniversary of the grant date), and the remaining Class A Common Shares subject to the option vest in 6.25% quarterly installments through July 23, 2029 (the four-year anniversary of the grant date), in each case subject to the Reporting Person's continuous service.