| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| PETRILLO LOUIS T | OFFICER OF SUBSIDIARY | ARCH CAPITAL SERVICES LLC, 360 HAMILTON AVENUE, SUITE 600, WHITE PLAINS | /s/ Louis Petrillo | 12 May 2025 | 0001227095 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ACGL | Common Shares, $.0011 par value per share | Options Exercise | $315K | +16.7K | +11.89% | $18.90 | 157K | 09 May 2025 | Direct | |
| transaction | ACGL | Common Shares, $.0011 par value per share | Sale | -$1.57M | -16.7K | -10.63% | $94.53 | 140K | 09 May 2025 | Direct | F1 |
| transaction | ACGL | Common Shares, $.0011 par value per share | Gift | $0 | -10 | -0.01% | $0.00 | 140K | 09 May 2025 | Direct | F2 |
| transaction | ACGL | Common Shares, $.0011 par value per share | Gift | $0 | +10 | +13.16% | $0.00 | 86 | 09 May 2025 | By Household | F3 |
| 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 | -16.7K | -100% | $0.00 | 0 | 09 May 2025 | Common Shares, $.0011 par value per share | 16.7K | $18.90 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | Represents a weighted average sale price; the sales prices range from $94.3850 to $94.7550. 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 | The transaction consisted of a gift of 10 shares by the reporting person to his step son, who shares the reporting person's household. |
| F3 | These shares are owned by the reporting person's step sons, who share the reporting person's household. |
| F4 | The non-qualified stock option became exercisable in three equal annual installments; the first installment became exercisable on May 13, 2017 and the next two installments on May 13, 2018 and May 13, 2019 subject to the applicable award agreement. |