Nicolas Papadopoulo - 02 May 2025 Form 4/A - Amendment Insider Report for ARCH CAPITAL GROUP LTD. (ACGL)

Role: CEO, Director
Signature: /s/ Louis Petrillo, Attorney-in-Fact
Issuer symbol: ACGL
Transactions as of: 02 May 2025
Net transactions value: +$46.9
Form type: 4/A - Amendment
Filing time: 08 May 2025, 09:15:57 UTC
Date Of Original Report: 06 May 2025
Previous filing: 06 Mar 2025
Next filing: 26 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Papadopoulo Nicolas	CEO, Director	C/O ARCH CAPITAL GROUP LTD, 100 PITTS BAY ROAD, WATERLOO HOUSE, PEMBROKE, BERMUDA	/s/ Louis Petrillo, Attorney-in-Fact	08 May 2025	0001345284

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACGL	Common Shares, $.0011 par value per share	Options Exercise	$145,888	+9,213	+1.2%	$15.84	804,931	02 May 2025	Direct
transaction	ACGL	Common Shares, $.0011 par value per share	Tax liability	$145,841	-1,577	-0.2%	$92.48	803,354	02 May 2025	Direct	F1

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	ACGL	Stock Option (right to buy)	Options Exercise	$0	-9,213	-100%	$0.000000	0	02 May 2025	Common Shares, $.0011 par value per share	9,213	$15.84	Direct	F2

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

Explanation of Responses:

Id	Content
F1	This Form 4/A is being filed to correct an error in the Form 4 filed on May 6, 2025 (the "Original Form 4"), which inadvertently reported a sale of 7,636 shares on 05/02/2025; such sale did not occur. Other than the foregoing, no changes have been made to the Original Form 4.
F2	The non-qualified stock option became exercisable in three equal annual installments; the first installment became exercisable on May 13, 2016 and the next two installments on May 13, 2017 and May 13, 2018 subject to the applicable award agreement.