| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Thomas Corey E. | CEO, Director | C/O RAPID7, INC., 120 CAUSEWAY STREET, BOSTON | /s/ Peter Kaes, Attorney-in-Fact | 17 Nov 2025 | 0001647486 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | RPD | COMMON STOCK | Tax liability | -$182K | -13K | -2.19% | $14.03 | 581K | 15 Nov 2025 | Direct | F1, F2 |
| holding | RPD | COMMON STOCK | 219K | 15 Nov 2025 | By Thomas Family Holdings LLC | F3 | |||||
| holding | RPD | COMMON STOCK | 30K | 15 Nov 2025 | By Trust | F4 |
| Id | Content |
|---|---|
| F1 | Represents shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligation upon the vesting of restricted stock units previously granted to the Reporting Person on February 2, 2021, February 15, 2022, February 15, 2023, February 15, 2024 and February 14, 2025. |
| F2 | Includes 198 shares acquired under the Rapid7, Inc. 2015 Employee Stock Purchase Plan on September 15, 2025. |
| F3 | Represents shares held by the Thomas Family Holdings LLC ("LLC"). The reporting person is the manager of LLC and has the power to vote and dispose of the shares held by LLC. The reporting person disclaims beneficial ownership of the shares owned by LLC except to the extent of his pecuniary interest therein. |
| F4 | Represents shares held by the Corey E. Thomas Irrevocable Trust of 2016, which is administrated by an independent trustee, and is for the benefit of the reporting person's immediate and other family members. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. |