| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Rajeh Maamoun | President, Arch Capital Group | WATERLOO HOUSE, GROUND FLOOR, 100 PITTS BAY ROAD, PEMBROKE, BERMUDA | /s/ Maamoun Rajeh | 13 Feb 2026 | 0001718249 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ACGL | Common Shares, $.0011 par value per share | Options Exercise | $431,491 | +15,930 | +3.7% | $27.09 | 449,519 | 11 Feb 2026 | Direct | |
| transaction | ACGL | Common Shares, $.0011 par value per share | Options Exercise | $854,595 | +31,500 | +7% | $27.13 | 481,019 | 11 Feb 2026 | Direct | |
| transaction | ACGL | Common Shares, $.0011 par value per share | Sale | $4,558,858 | -47,430 | -9.9% | $96.12 | 433,589 | 11 Feb 2026 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ACGL | Stock Option (Right to Buy) | Options Exercise | $0 | -15,930 | -100% | $0.000000 | 0 | 11 Feb 2026 | Common Shares, $.0011 par value per share | 15,930 | $27.09 | Direct | F2 |
| transaction | ACGL | Stock Option (Right to Buy) | Options Exercise | $0 | -31,500 | -100% | $0.000000 | 0 | 11 Feb 2026 | Common Shares, $.0011 par value per share | 31,500 | $27.13 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $95.71 to $96.68. Upon request, the full information regarding the number of shares sold at each separate price within the range will be provided to the issuer, any security holder of the issuer or the staff of the Securities Exchange Commission. |
| F2 | This stock option is exercisable in three equal annual installments commencing May 8, 2018, and the next two installments on May 8, 2019 and May 8, 2020, subject to the applicable award agreement. |
| F3 | This stock option is exercisable in three equal annual installments, with the first installment becoming exercisable on September 19, 2018 and the next two installments on September 19, 2019 and September 19, 2020, subject to the applicable award agreement. |