Louis T. Petrillo serves as Executive at ARCH CAPITAL GROUP LTD., where they oversee executive responsibilities. Since joining the company, Louis T. Petrillo has executed 147 insider transactions totaling $21.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 10, 2025 involved gifting 14 shares valued at $0.
Louis T. Petrillo currently holds 100 shares of ARCH CAPITAL GROUP LTD. (ACGL), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Louis T. Petrillo has been a net seller of ACGL stock. They have purchased $0 and sold $21.3M worth of shares.
Louis T. Petrillo's most recent insider trade was on Dec 10, 2025, when they sold 14 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Mar 4, 2024 | ACGL | $1.1M | Payment | 12,992 | $87.14 | Discretionary |
| Feb 27, 2024 | ACGL | $0 | Award | 2,608 | $N/A | Discretionary |
| Feb 26, 2024 | ACGL | $52.6K | Payment | 603 | $87.28 | Discretionary |
| Feb 25, 2024 | ACGL | $44.5K | Payment | 510 | $87.29 | Discretionary |
| Feb 24, 2024 | ACGL | $32.6K | Payment | 374 | $87.29 | Discretionary |
| Feb 23, 2024 | ACGL | $0 | Gift | 14 | $N/A | Discretionary |
| Feb 23, 2024 | ACGL | $0 | Award | 27,638 | $N/A | Discretionary |
| Dec 7, 2023 | ACGL | $0 | Gift | 14 | $N/A | Discretionary |
| Dec 7, 2023 | ACGL | $0 | Gift | 42 | $N/A | Discretionary |
| Nov 15, 2023 | ACGL | $0 | Gift | 1,190 | $N/A | Discretionary |
| Jun 13, 2023 | ACGL | $0 | Gift | 10 | $N/A | Discretionary |
| Jun 13, 2023 | ACGL | $0 | Gift | 10 | $N/A | Discretionary |
| May 10, 2023 | ACGL | $1.2M | Sale | 15,406 | $76.79 | Discretionary |
| May 8, 2023 | ACGL | $1.1M | Payment | 14,723 | $76.14 | Discretionary |
| May 8, 2023 | ACGL | $443.8K | Option Exercise | 23,250 | $19.09 | Discretionary |
| Mar 10, 2023 | ACGL | $203.0K | Payment | 3,047 | $66.61 | Discretionary |
| Feb 27, 2023 | ACGL | $33.8K | Payment | 488 | $69.21 | Discretionary |
| Feb 26, 2023 | ACGL | $41.6K | Payment | 602 | $69.17 | Discretionary |
| Feb 25, 2023 | ACGL | $35.6K | Payment | 514 | $69.17 | Discretionary |
| Feb 24, 2023 | ACGL | $0 | Award | 3,116 | $N/A | Discretionary |
| Feb 24, 2023 | ACGL | $0 | Award | 8,454 | $N/A | Discretionary |
| Dec 14, 2022 | ACGL | $0 | Gift | 20 | $N/A | Discretionary |
| Dec 14, 2022 | ACGL | $0 | Gift | 60 | $N/A | Discretionary |
| Aug 15, 2022 | ACGL | $356.5K | Sale | 7,638 | $46.68 | Discretionary |
| Aug 11, 2022 | ACGL | $821.3K | Payment | 17,862 | $45.98 | Discretionary |
| Aug 11, 2022 | ACGL | $734.3K | Sale | 16,023 | $45.83 | Discretionary |
| Aug 11, 2022 | ACGL | $454.9K | Option Exercise | 25,500 | $17.84 | Discretionary |
| Mar 10, 2022 | ACGL | $612.4K | Payment | 13,549 | $45.20 | Discretionary |