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>>

Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-02-13 Tax Withholding |
2024-02-15 5:08 pm |
N/A N/A |
Proto Labs Inc | PRLB | Klaas Bjoern VP and Mng Director-PL Europe |
1,741 | $33.52 | 29,228 (Direct) |
View |
2024-02-13 Option Award |
2024-02-15 5:08 pm |
N/A 2034-02-13 |
Proto Labs Inc | PRLB | Klaas Bjoern VP and Mng Director-PL Europe |
12,895 | $0 | 29,228 (Direct) |
View |
2023-02-13 Tax Withholding |
2023-02-15 4:05 pm |
N/A N/A |
Proto Labs Inc | PRLB | Klaas Bjoern VP and Mng Director-PL Europe |
1,119 | $34.23 | 30,757 (Direct) |
View |
2023-02-14 Option Award |
2023-02-15 4:05 pm |
N/A 2025-12-31 |
Proto Labs Inc | PRLB | Klaas Bjoern VP and Mng Director-PL Europe |
19,332 | $0 | 30,757 (Direct) |
View |
2022-02-15 Option Award |
2022-02-17 4:07 pm |
N/A 2032-02-13 |
Proto Labs Inc | PRLB | Klaas Bjoern VP and Mng Director-PL Europe |
9,724 | $0 | 18,480 (Direct) |
View |
2022-02-13 Tax Withholding |
2022-02-15 4:01 pm |
N/A N/A |
Proto Labs Inc | PRLB | Klaas Bjoern VP and Mng Director-PL Europe |
728 | $56.34 | 8,756 (Direct) |
View |
2021-02-16 Tax Withholding |
2021-02-18 4:41 pm |
N/A N/A |
Proto Labs Inc | PRLB | Klaas Bjoern VP and Mng Director-PL Europe |
455 | $197.05 | 11,310 (Direct) |
View |
2021-02-16 Option Award |
2021-02-18 4:41 pm |
N/A 2031-02-16 |
Proto Labs Inc | PRLB | Klaas Bjoern VP and Mng Director-PL Europe |
4,191 | $0 | 11,310 (Direct) |
View |
2020-12-01 Tax Withholding |
2020-12-03 4:19 pm |
N/A N/A |
Proto Labs Inc | PRLB | Klaas Bjoern VP and Mng Director-PL Europe |
489 | $136.34 | 7,574 (Direct) |
View |