17 insiders reported 112 Form 4 transactions for ARCH CAPITAL GROUP LTD. (ACGL) over the past 18 months (most recent 2026-08-20). Recent activity: Morin Francois (CFO and Treasurer) Buy 11,010 shares, Morin Francois (CFO and Treasurer) Sell 11,010 shares, PASQUESI JOHN M (Director) Sell 1.0M shares, PASQUESI JOHN M (Director) Buy 1.0M shares, Posner Brian S (Director) Sell 3,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-20 | Morin Francois | CFO and Treasurer | Buy | 11,010 | $298,225 |
| 2026-08-20 | Morin Francois | CFO and Treasurer | Sell | 11,010 | $1.1M |
| 2026-06-15 | PASQUESI JOHN M | Director | Sell | 1.0M | $0 |
| 2026-06-15 | PASQUESI JOHN M | Director | Buy | 1.0M | $0 |
| 2026-06-04 | Posner Brian S | Director | Sell | 3,000 | $58,980 |
| 2026-05-12 | Posner Brian S | Director | Sell | 2,000 | $34,283 |
| 2026-05-07 | Goodman Laurie | Director | Buy | 2,071 | $0 |
| 2026-05-07 | PASQUESI JOHN M | Director | Buy | 2,071 | $0 |
| 2026-05-07 | Houston Daniel Joseph | Director | Buy | 2,071 | $0 |
| 2026-05-07 | BUNCE JOHN L JR | Director | Buy | 2,071 | $0 |
| 2026-05-07 | MALLESCH EILEEN A | Director | Buy | 2,071 | $0 |
| 2026-05-07 | MOCZARSKI ALEXANDER S | Director | Buy | 2,071 | $0 |
| 2026-05-07 | KILCOYNE MOIRA A. | Director | Buy | 2,071 | $0 |
| 2026-05-07 | Ebong Francis | Director | Buy | 2,071 | $0 |
| 2026-05-07 | Triplett Neal F | Director | Buy | 2,071 | $0 |
| 2026-05-07 | BUNCE JOHN L JR | Director | Buy | 1,327 | $0 |
| 2026-05-07 | PASQUESI JOHN M | Director | Buy | 1,327 | $0 |
| 2026-05-07 | Houston Daniel Joseph | Director | Buy | 1,327 | $0 |
| 2026-05-07 | KILCOYNE MOIRA A. | Director | Buy | 1,327 | $0 |
| 2026-05-07 | Triplett Neal F | Director | Buy | 1,327 | $0 |
| 2026-05-07 | PASQUESI JOHN M | Director | Buy | 1,858 | $0 |
| 2026-05-07 | Posner Brian S | Director | Buy | 2,071 | $0 |
| 2026-05-04 | Houston Daniel Joseph | Director | Buy | 5,300 | $498,650 |
| 2026-03-12 | Papadopoulo Nicolas | CEO | Buy | 21,930 | $414,477 |
| 2026-03-12 | Posner Brian S | Director | Sell | 3,000 | $51,360 |
Source: SEC Form 4 filings · as of 2026-08-20