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 |
2025-02-25 Option Award |
2025-02-27 4:33 pm |
N/A 2035-02-25 |
Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer |
13,174 | $0 | 35,213 (Direct) |
View |
2025-02-13 Option Award |
2025-02-18 5:42 pm |
N/A N/A |
Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer |
1,894 | $0 | 22,039 (Direct) |
View |
2025-02-13 Tax Withholding |
2025-02-18 5:42 pm |
N/A N/A |
Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer |
2,276 | $45.03 | 22,039 (Direct) |
View |
2024-05-20 Tax Withholding |
2024-05-22 4:24 pm |
N/A N/A |
Proto Labs Inc | PRLB | Kenison Michael R. VP and GM of the America's |
336 | $31.81 | 22,351 (Direct) |
View |
2024-02-13 Tax Withholding |
2024-02-15 5:06 pm |
N/A N/A |
Proto Labs Inc | PRLB | Kenison Michael R. VP and GM of the America's |
1,070 | $33.52 | 29,960 (Direct) |
View |
2024-02-13 Option Award |
2024-02-15 5:06 pm |
N/A 2034-02-13 |
Proto Labs Inc | PRLB | Kenison Michael R. VP and GM of the America's |
15,760 | $0 | 29,960 (Direct) |
View |
2023-02-13 Tax Withholding |
2023-02-15 4:09 pm |
N/A N/A |
Proto Labs Inc | PRLB | Kenison Michael R. VP and GM of the America's |
340 | $34.23 | 29,548 (Direct) |
View |
2023-02-14 Option Award |
2023-02-15 4:09 pm |
N/A 2025-12-31 |
Proto Labs Inc | PRLB | Kenison Michael R. VP and GM of the America's |
22,951 | $0 | 29,548 (Direct) |
View |
2022-05-23 Tax Withholding |
2022-05-25 6:13 pm |
N/A N/A |
Proto Labs Inc | PRLB | Kenison Michael R. VP and GM of the America's |
771 | $45.68 | 6,675 (Direct) |
View |
2022-02-15 Option Award |
2022-02-17 4:04 pm |
N/A 2032-02-13 |
Proto Labs Inc | PRLB | Kenison Michael R. VP and GM of the America's |
9,724 | $0 | 13,157 (Direct) |
View |
Ownership |
2021-06-30 3:34 pm |
N/A N/A |
Proto Labs Inc | PRLB | Kenison Michael R. VP and GM of the America's |
0 | $0 | 7,480 (Direct) |
View |