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 |
2021-05-06 Purchase |
2021-05-07 09:43 am |
Mayville Engineering Company Inc. | MEC | Kamphuis Robert D Chairman, Pres. & CEO |
10,000 | $16.32 | $163,158 | 1,265,847 (Indirect 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 |
2022-02-28 Option Award |
2022-03-18 5:10 pm |
N/A N/A |
Mayville Engineering Company Inc. | MEC | Kamphuis Robert D Chairman, Pres. & CEO |
345,829 | $0 | 1,577,832 (Direct) |
View |
2022-02-28 Tax Withholding |
2022-03-02 7:35 pm |
N/A N/A |
Mayville Engineering Company Inc. | MEC | Kamphuis Robert D Chairman, Pres. & CEO |
33,633 | $10.32 | 1,232,003 (Direct) |
View |
2022-02-28 Exercise |
2022-03-02 7:35 pm |
N/A N/A |
Mayville Engineering Company Inc. | MEC | Kamphuis Robert D Chairman, Pres. & CEO |
229,266 | $0 | 1,232,003 (Direct) |
View |
2021-05-08 Exercise |
2021-05-11 3:37 pm |
N/A N/A |
Mayville Engineering Company Inc. | MEC | Kamphuis Robert D Chairman, Pres. & CEO |
27,794 | $0 | 1,265,917 (Direct) |
View |
2021-02-27 Exercise |
2021-03-02 2:58 pm |
N/A N/A |
Mayville Engineering Company Inc. | MEC | Kamphuis Robert D Chairman, Pres. & CEO |
73,947 | $0 | 1,255,847 (Direct) |
View |
2021-02-28 Option Award |
2021-03-02 2:58 pm |
N/A N/A |
Mayville Engineering Company Inc. | MEC | Kamphuis Robert D Chairman, Pres. & CEO |
245,874 | $0 | 1,255,847 (Direct) |
View |
2020-05-08 Exercise |
2020-05-12 6:07 pm |
N/A N/A |
Mayville Engineering Company Inc. | MEC | Kamphuis Robert D Chairman, Pres. & CEO |
127,795 | $0 | 1,010,856 (Direct) |
View |