| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 11, 2026 | PASQUESI JOHN M | Director, Other | G | 1,006,700 | $0.0000 | $0.00 |
| Jun 11, 2026 | PASQUESI JOHN M | Director, Other | G | 1,006,700 | $0.0000 | $0.00 |
| Jun 3, 2026 | Posner Brian S | Director | S | 3,000 | $19.6600 | $58.98K |
| May 11, 2026 | Posner Brian S | Director | S | 2,000 | $17.1415 | $34.28K |
| May 5, 2026 | PASQUESI JOHN M | Director, Other | A | 1,858 | – | – |
| May 5, 2026 | PASQUESI JOHN M | Director, Other | A | 1,327 | – | – |
| May 5, 2026 | PASQUESI JOHN M | Director, Other | A | 2,071 | – | – |
| May 5, 2026 | BUNCE JOHN L JR | Director | A | 1,327 | – | – |
| May 5, 2026 | BUNCE JOHN L JR | Director | A | 2,071 | – | – |
| May 5, 2026 | Ebong Francis | Director | A | 2,071 | – | – |
| May 5, 2026 | Goodman Laurie | Director | A | 2,071 | – | – |
| May 5, 2026 | Houston Daniel Joseph | Director | A | 1,327 | – | – |
| May 5, 2026 | Houston Daniel Joseph | Director | A | 2,071 | – | – |
| May 5, 2026 | KILCOYNE MOIRA A. | Director | A | 1,327 | – | – |
| May 5, 2026 | KILCOYNE MOIRA A. | Director | A | 2,071 | – | – |
| May 5, 2026 | MALLESCH EILEEN A | Director | A | 2,071 | – | – |
| May 5, 2026 | MOCZARSKI ALEXANDER S | Director | A | 2,071 | – | – |
| May 5, 2026 | Posner Brian S | Director | A | 2,071 | – | – |
| May 5, 2026 | Triplett Neal F | Director | A | 1,327 | – | – |
| May 5, 2026 | Triplett Neal F | Director | A | 2,071 | – | – |
| Apr 30, 2026 | Houston Daniel Joseph | Director | P | 5,300 | $94.0850 | $498.65K |
| Mar 11, 2026 | Posner Brian S | Director | S | 3,000 | $17.1150 | $51.34K |
| Mar 10, 2026 | Papadopoulo Nicolas | CEO | M | 21,930 | $0.0000 | $0.00 |
| Mar 10, 2026 | Papadopoulo Nicolas | CEO | S | 21,930 | $96.3093 | $2.11M |
| Mar 10, 2026 | Papadopoulo Nicolas | CEO | M | 21,930 | $18.9000 | $414.48K |
| Mar 10, 2026 | Gansberg David | President, Arch Capital Group | M | 10,770 | $0.0000 | $0.00 |
| Mar 10, 2026 | Gansberg David | President, Arch Capital Group | S | 5,907 | $96.3715 | $569.27K |
| Mar 10, 2026 | Gansberg David | President, Arch Capital Group | M | 10,770 | $18.9000 | $203.55K |
| Mar 4, 2026 | Gansberg David | President, Arch Capital Group | F | 12,519 | $98.4200 | $1.23M |
| Mar 4, 2026 | PETRILLO LOUIS T | Officer of Subsidiary | F | 8,030 | $98.4200 | $790.31K |
| Mar 4, 2026 | Rajeh Maamoun | President, Arch Capital Group | G | 40,600 | $0.0000 | $0.00 |
| Mar 4, 2026 | Rajeh Maamoun | President, Arch Capital Group | G | 40,600 | $0.0000 | $0.00 |
| Mar 3, 2026 | Papadopoulo Nicolas | CEO | A | 76,243 | $0.0000 | $0.00 |
| Mar 3, 2026 | Papadopoulo Nicolas | CEO | A | 21,318 | $0.0000 | $0.00 |
| Mar 3, 2026 | Gansberg David | President, Arch Capital Group | A | 24,475 | $0.0000 | $0.00 |
| Mar 3, 2026 | Gansberg David | President, Arch Capital Group | A | 6,843 | $0.0000 | $0.00 |
| Mar 3, 2026 | Morin Francois | CFO and Treasurer | A | 19,061 | $0.0000 | $0.00 |
| Mar 3, 2026 | Morin Francois | CFO and Treasurer | A | 5,329 | $0.0000 | $0.00 |
| Mar 3, 2026 | PETRILLO LOUIS T | Officer of Subsidiary | A | 10,331 | $0.0000 | $0.00 |
| Mar 3, 2026 | PETRILLO LOUIS T | Officer of Subsidiary | A | 2,889 | $0.0000 | $0.00 |
| Mar 3, 2026 | Todd Christine | Chief Investment Officer | A | 6,305 | $0.0000 | $0.00 |
| Mar 3, 2026 | Todd Christine | Chief Investment Officer | A | 14,238 | $0.0000 | $0.00 |
| Mar 3, 2026 | Todd Christine | Chief Investment Officer | A | 3,981 | $0.0000 | $0.00 |
| Mar 3, 2026 | Rajeh Maamoun | President, Arch Capital Group | A | 24,475 | $0.0000 | $0.00 |
| Mar 3, 2026 | Rajeh Maamoun | President, Arch Capital Group | A | 6,843 | $0.0000 | $0.00 |
| Feb 27, 2026 | Gansberg David | President, Arch Capital Group | F | 553 | $100.1500 | $55.38K |
| Feb 27, 2026 | PETRILLO LOUIS T | Officer of Subsidiary | F | 312 | $100.1500 | $31.25K |
| Feb 24, 2026 | Morin Francois | CFO and Treasurer | A | 27,432 | $0.0000 | $0.00 |
| Feb 24, 2026 | Gansberg David | President, Arch Capital Group | A | 28,546 | $0.0000 | $0.00 |
| Feb 24, 2026 | Gansberg David | President, Arch Capital Group | F | 509 | $99.1800 | $50.48K |