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 |
2021-02-16 Sale |
2021-02-18 4:43 pm |
Proto Labs Inc | PRLB | HOLT VICTORIA M President and CEO |
18,910 | $188.21 | $3,559,041 | 54,840 (Direct) |
View |
2020-09-03 Sale |
2020-09-08 4:24 pm |
Proto Labs Inc | PRLB | HOLT VICTORIA M President and CEO |
17,990 | $154.95 | $2,787,528 | 58,459 (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 |
2021-03-12 Option Award |
2021-03-15 4:06 pm |
N/A N/A |
PIPER SANDLER COMPANIES | PIPR | HOLT VICTORIA M Director |
59 | $123 | 3,238 (Direct) |
View |
2021-02-16 Tax Withholding |
2021-02-18 4:43 pm |
N/A N/A |
Proto Labs Inc | PRLB | HOLT VICTORIA M President and CEO |
3,619 | $197.05 | 54,840 (Direct) |
View |
2021-02-16 Exercise |
2021-02-18 4:43 pm |
N/A N/A |
Proto Labs Inc | PRLB | HOLT VICTORIA M President and CEO |
18,910 | $57.88 | 54,840 (Direct) |
View |
2021-02-16 Exercise |
2021-02-18 4:43 pm |
N/A 2026-02-08 |
Proto Labs Inc | PRLB | HOLT VICTORIA M President and CEO |
18,910 | $0 | 54,840 (Direct) |
View |
2021-01-15 Option Award |
2021-01-20 3:28 pm |
N/A N/A |
WASTE MANAGEMENT INC | WM | HOLT VICTORIA M Director |
719 | $114.8 | 18,762 (Direct) |
View |
2020-12-11 Option Award |
2020-12-14 2:46 pm |
N/A N/A |
PIPER SANDLER COMPANIES | PIPR | HOLT VICTORIA M Director |
12 | $102.91 | 3,179 (Direct) |
View |
2020-09-11 Option Award |
2020-09-14 3:43 pm |
N/A N/A |
PIPER SANDLER COMPANIES | PIPR | HOLT VICTORIA M Director |
14 | $67.53 | 3,167 (Direct) |
View |
2020-09-03 Exercise |
2020-09-08 4:24 pm |
N/A 2025-02-09 |
Proto Labs Inc | PRLB | HOLT VICTORIA M President and CEO |
17,990 | $0 | 58,459 (Direct) |
View |
2020-09-03 Exercise |
2020-09-08 4:24 pm |
N/A N/A |
Proto Labs Inc | PRLB | HOLT VICTORIA M President and CEO |
17,990 | $67.15 | 58,459 (Direct) |
View |