Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2024-08-07 Purchase |
2024-08-08 5:35 pm |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M CHIEF FINANCIAL OFFICER |
10,000 | $0.78 | $7,800 | 348,157 (Direct) |
View |
2023-09-06 Purchase |
2023-09-08 07:36 am |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M CHIEF FINANCIAL OFFICER |
10,000 | $0.9894 | $9,894 | 285,651 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-03-09 Tax Withholding |
2025-03-11 7:18 pm |
N/A N/A |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M CHIEF FINANCIAL OFFICER |
7,690 | $2.39 | 489,955 (Direct) |
View |
2025-02-18 Option Award |
2025-02-20 6:59 pm |
N/A 2035-02-17 |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M CHIEF FINANCIAL OFFICER |
281,000 | $0 | 618,645 (Direct) |
View |
2025-02-11 Tax Withholding |
2025-02-13 8:02 pm |
N/A N/A |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M CHIEF FINANCIAL OFFICER |
4,621 | $2.68 | 337,645 (Direct) |
View |
2025-02-06 Tax Withholding |
2025-02-07 8:12 pm |
N/A N/A |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M CHIEF FINANCIAL OFFICER |
5,891 | $3.1 | 342,266 (Direct) |
View |
2024-03-11 Tax Withholding |
2024-03-12 9:20 pm |
N/A N/A |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M CHIEF FINANCIAL OFFICER |
7,454 | $0.981 | 325,403 (Direct) |
View |
2024-02-12 Tax Withholding |
2024-02-14 5:25 pm |
N/A N/A |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M CHIEF FINANCIAL OFFICER |
3,794 | $0.96 | 332,857 (Direct) |
View |
2024-02-06 Option Award |
2024-02-08 5:10 pm |
N/A 2034-02-05 |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M CHIEF FINANCIAL OFFICER |
154,000 | $0 | 439,651 (Direct) |
View |
2023-03-09 Option Award |
2023-03-13 9:28 pm |
N/A 2033-03-08 |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M CHIEF FINANCIAL OFFICER |
277,200 | $0 | 467,512 (Direct) |
View |
2023-02-13 Tax Withholding |
2023-02-15 9:39 pm |
N/A N/A |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M Chief Financial Officer |
4,621 | $1.3 | 190,312 (Direct) |
View |
2022-03-17 Exercise |
2022-03-21 5:45 pm |
N/A 2028-09-11 |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M Chief Financial Officer |
10,000 | $0 | 274,517 (Direct) |
View |
2022-03-17 Exercise |
2022-03-21 5:45 pm |
N/A N/A |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M Chief Financial Officer |
10,000 | $1 | 274,517 (Direct) |
View |
2022-02-11 Option Award |
2022-02-15 7:41 pm |
N/A 2032-02-10 |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M Chief Financial Officer |
120,000 | $0 | 261,631 (Direct) |
View |
Ownership |
2021-07-14 7:34 pm |
N/A N/A |
RAPID MICRO BIOSYSTEMS INC. | RPID | WIRTJES SEAN M Chief Financial Officer |
0 | $0 | 355,501 (Direct) |
View |