Petrillo Louis T. - 24 Feb 2026 Form 4 Insider Report for ARCH CAPITAL GROUP LTD. (ACGL)

Role
Officer of Subsidiary
Signature
/s/ Louis Petrillo
Issuer symbol
ACGL
Transactions as of
24 Feb 2026
Net transactions value
-$40,862
Form type
4
Filing time
26 Feb 2026, 16:18:40 UTC
Previous filing
11 Dec 2025
Next filing
02 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
PETRILLO LOUIS T Officer of Subsidiary ARCH CAPITAL SERVICES LLC, 360 HAMILTON AVENUE, SUITE 600, WHITE PLAINS /s/ Louis Petrillo 26 Feb 2026 0001227095

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACGL Common Shares, $.0011 par value per share Tax liability $40,862 -412 -0.29% $99.18 139,807 24 Feb 2026 Direct F1
transaction ACGL Common Shares, $.0011 par value per share Award $0 +17,136 +12% $0.000000 156,943 24 Feb 2026 Direct
holding ACGL Common Shares, $.0011 par value per share 100 24 Feb 2026 By Household 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 These shares are owned by the reporting person's step sons, who share the reporting person's household.