| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gansberg David | President, Arch Capital Group | WATERLOO HOUSE, GROUND FLOOR, 100 PITTS BAY ROAD, PEMBROKE, BERMUDA | /s/ David Gansberg | 26 Feb 2026 | 0001769539 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ACGL | Common Shares, $.0011 par value per share | Tax liability | $50,483 | -509 | -0.16% | $99.18 | 309,379 | 24 Feb 2026 | Direct | |
| transaction | ACGL | Common Shares, $.0011 par value per share | Award | $0 | +28,546 | +9.2% | $0.000000 | 337,925 | 24 Feb 2026 | Direct |