| 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/ Matthew Ruderman, Attorney-in-Fact | 04 Jun 2025 | 0002052043 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DH | Class A Common Stock | Award | $0 | +498,339 | +467% | $0.000000 | 605,084 | 02 Jun 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents restricted stock units ("RSUs"), each representing a contingent right to receive one share of the Issuer's Class A Common Stock, par value $0.001, with 50% of the RSUs vesting on June 1, 2026, followed by vesting of 12.5% every three months thereafter over the subsequent twelve months, subject to the Reporting Person's continued service with the Issuer through each such vesting date. |