| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Heller Casey | Chief Financial Officer | C/O DEFINITIVE HEALTHCARE CORP., 492 OLD CONNECTICUT PATH, SUITE 401, FRAMINGHAM | /s/ Jonathan Paris, Attorney-in-Fact | 03 Feb 2026 | 0002052043 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DH | Class A Common Stock | Tax liability | $3,408 | -1,469 | -0.12% | $2.32 | 1,274,021 | 01 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The transaction reported represents the withholding of shares by the issuer to satisfy the reporting person's tax withholding obligations in connection with the vesting and settlement of previously reported RSUs. |