| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Miller Laurie A. | SVP, Human Resources | 125 SUMMER STREET, BOSTON | /s/ Thomas V. Powers, attorney-in-fact for Ms. Miller | 2025-09-24 | 0001881751 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HAE | Common Stock | Tax liability | -$11.9K | -238 | -0.82% | $49.95 | 28.9K | Sep 17, 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Represents shares withheld for tax obligations in connection with the vesting of certain restricted stock units ("RSUs") previously reported in Table I. |
| F2 | This number includes unvested RSUs previously reported. |