InsiderTrades

Form 4 for ACGL Arch Capital Group

Accepted 2026-02-26 00:00:00 ET · period of report 2026-02-24 · accession 0001227095-26-000002 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-02-26 2026-02-24 ACGL PETRILLO LOUIS T Off. of Subsidiary A - Grant $0.00 +17.1K 156.9K +12% $0
2026-02-26 2026-02-24 ACGL PETRILLO LOUIS T Off. of Subsidiary F - Tax $99.18 -412 139.8K -0.3% -$40.9K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Shares, $.0011 par value per share 2026-02-24 A A 17,136 $0.00 156,943 D — —
2 Common Common Shares, $.0011 par value per share 2026-02-24 F D 412 $99.18 139,807 D — — (F1) Amount includes 248 Common Shares acquired on May 30, 2025 under the Arch Capital Group Ltd. Employee Share Purchase Plan.