| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Spignesi Robert G. Jr. | PRESIDENT AND CEO, Director | C/O RAPID MICRO BIOSYSTEMS, INC., 25 HARTWELL AVENUE, LEXINGTON | /s/ Sean M. Wirtjes, Attorney-in-Fact for Robert G. Spignesi, Jr. | 10 Jul 2025 | 0001853904 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | RPID | Class A Common Stock | Options Exercise | $0 | +25,144 | +2.9% | $0.000000 | 897,510 | 08 Jul 2025 | Direct | F1 |
| transaction | RPID | Class A Common Stock | Sale | $38,021 | -10,824 | -1.2% | $3.51 | 886,686 | 08 Jul 2025 | Direct | F2 |
| transaction | RPID | Class A Common Stock | Options Exercise | $0 | +25,144 | +2.8% | $0.000000 | 911,830 | 09 Jul 2025 | Direct | F1 |
| transaction | RPID | Class A Common Stock | Sale | $39,480 | -11,247 | -1.2% | $3.51 | 900,583 | 09 Jul 2025 | Direct | F2 |
| transaction | RPID | Class A Common Stock | Options Exercise | $0 | +25,145 | +2.8% | $0.000000 | 925,728 | 10 Jul 2025 | Direct | F1 |
| transaction | RPID | Class A Common Stock | Sale | $39,475 | -11,617 | -1.2% | $3.40 | 944,015 | 10 Jul 2025 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | Shares were acquired upon satisfaction of performance criteria underlying previously granted performance restricted stock units. |
| F2 | The sales reported on this Form 4 represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of performance restricted stock units. |
| F3 | Includes 29,904 shares acquired under the Rapid Micro Biosystems, Inc. employee stock purchase plan on March 14, 2025. |