Francois Morin - 24 Feb 2026 Form 4 Insider Report for ARCH CAPITAL GROUP LTD. (ACGL)

Role: CFO and Treasurer
Signature: /s/ Francois Morin
Issuer symbol: ACGL
Transactions as of: 24 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 26 Feb 2026, 16:17:35 UTC
Previous filing: 02 Dec 2025
Next filing: 05 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Morin Francois	CFO and Treasurer	WATERLOO HOUSE, GROUND FLOOR, 100 PITTS BAY ROAD, PEMBROKE, BERMUDA	/s/ Francois Morin	26 Feb 2026	0001741826

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACGL	Common Shares, $.0011 par value per share	Award	$0	+27,432	+10%	$0.000000	293,459	24 Feb 2026	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Amount includes 248 Common Shares acquired on May 30, 2025 under the Arch Capital Group Ltd. Employee Share Purchase Plan.
F2	Amount reflects an adjustment for 902 Common Shares purchased under the Arch Capital Group Ltd. Employee Share Purchase Plan that were inadvertently double counted in the amount of securities beneficially owned on the reporting person's Form 4 filed on March 3, 2025, and subsequent Forms 4.