ONeill Francis James - 23 Jul 2025 Form 4 Insider Report for Accelerant Holdings (ARX)

Role: Co-Founder, Chief U/W Officer
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, 20:34:18 UTC
Next 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/ Robert Hardy, Attorney-in-Fact	25 Jul 2025	0002008632

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	+882,611		$0.000000	882,611	23 Jul 2025	Class A Common Shares	882,611	$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.