ARCH CAPITAL GROUP LTD. — Director's Dealing 2025

Mar 6, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARCH CAPITAL GROUP LTD. (ACGL)
CIK: 0000947484
Period of Report: 2025-03-04

Reporting Person: PETRILLO LOUIS T (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-04	Common Shares, $.0011 par value per share	A	3042	—	Acquired	149939	Direct
2025-03-04	Common Shares, $.0011 par value per share	F	9916	$91.87	Disposed	140023	Direct
2025-03-04	Common Shares, $.0011 par value per share	M	9400	$15.835	Acquired	149423	Direct
2025-03-04	Common Shares, $.0011 par value per share	S	9400	$92.7338	Disposed	140023	Direct
2025-03-05	Common Shares, $.0011 par value per share	M	11600	$15.835	Acquired	151623	Direct
2025-03-05	Common Shares, $.0011 par value per share	S	11600	$91.0032	Disposed	140023	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-03-04	Stock Option (right to buy)	$91.87	A	10764	Acquired	2035-03-04	Common Shares, $.0011 par value per share (10764)	Direct
2025-03-04	Stock Option (right to buy)	$15.835	M	9400	Disposed	2025-05-13	Common Shares, $.0011 par value per share (9400)	Direct
2025-03-05	Stock Option (right to buy)	$15.835	M	11600	Disposed	2025-05-13	Common Shares, $.0011 par value per share (11600)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares, $.0011 par value per share	76	Indirect

Footnotes

F1: Represents a weighted average sale price; the sales prices range from $92.50 to $93.00. Upon request, the full information regarding the number of shares sold at each separate price within the range will be provided to the issuer, any security holder of the issuer or the staff of the Securities Exchange Commission

F2: Represents a weighted average sale price; the sales prices range from $90.93 to $91.11. Upon request, the full information regarding the number of shares sold at each separate price within the range will be provided to the issuer, any security holder of the issuer or the staff of the Securities Exchange Commission

F3: The non-qualified stock option becomes exercisable in three equal annual installments commencing March 4, 2026, and the next two installments on March 4, 2027 and March 4, 2028, subject to the applicable award agreement.

F4: 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.

F5: 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.