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 |
| 2026-06-02 Sale | 2026-06-04 4:53 pm | Proto Labs Inc | PRLB | WEHRWEIN SVEN Director | 2,000 | $77.28 | $154,550 | 32,505 (Direct) | View |
| 2026-05-11 Sale | 2026-05-13 4:40 pm | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 23,463 | $69.73 | $1,636,166 | 32,919 (Direct) | View |
| 2026-05-07 Sale | 2026-05-08 4:33 pm | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 200 | $70 | $14,000 | 42,253 (Direct) | View |
| 2026-02-17 Sale | 2026-02-18 4:37 pm | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 5,000 | $66.46 | $332,315 | 25,302 (Direct) | View |
| 2026-02-06 Sale | 2026-02-09 4:53 pm | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 2,500 | $60 | $150,000 | 34,526 (Direct) | View |
| 2025-11-25 Sale(A) | 2025-12-03 6:13 pm | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 3,048 | $50.17 | $152,931 | 28,898 (Direct) | View |
| 2025-11-25 Sale | 2025-11-26 5:37 pm | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 3,048 | $50.17 | $152,931 | 33,562 (Direct) | View |
| 2025-08-05 Purchase | 2025-08-07 4:09 pm | Proto Labs Inc | PRLB | Gawlick Rainer Director | 1,715 | $43.79 | $75,105 | 43,883 (Direct) | View |
| 2025-08-04 Purchase | 2025-08-06 8:48 pm | Proto Labs Inc | PRLB | Krishna Suresh President and CEO | 1,725 | $43.51 | $75,055 | 18,021 (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 |
| 2026-05-23 Tax Withholding | 2026-05-27 4:18 pm | N/A N/A | Proto Labs Inc | PRLB | Krishna Suresh President and CEO | 1,247 | $71.36 | 30,147 (Direct) | View |
| 2026-05-20 Tax Withholding | 2026-05-22 4:12 pm | N/A N/A | Proto Labs Inc | PRLB | Schumacher Daniel Chief Financial Officer | 255 | $71.13 | 45,019 (Direct) | View |
| 2026-05-20 Option Award | 2026-05-22 4:12 pm | N/A 2036-05-20 | Proto Labs Inc | PRLB | Parlange Bernardo Chief Commercial Officer | 5,898 | $0 | 5,898 (Direct) | View |
| 2026-05-19 Option Award | 2026-05-21 4:07 pm | N/A N/A | Proto Labs Inc | PRLB | Black Archie C. Director | 2,210 | $0 | 28,428 (Direct) | View |
| 2026-05-19 Option Award | 2026-05-21 4:06 pm | N/A N/A | Proto Labs Inc | PRLB | Chand Sujeet Director | 2,210 | $0 | 26,863 (Direct) | View |
| 2026-05-19 Option Award | 2026-05-21 4:06 pm | N/A N/A | Proto Labs Inc | PRLB | Chin Moonhie Director | 2,210 | $0 | 22,306 (Direct) | View |
| 2026-05-19 Option Award | 2026-05-21 4:06 pm | N/A N/A | Proto Labs Inc | PRLB | Gawlick Rainer Director | 2,210 | $0 | 46,093 (Direct) | View |
| 2026-05-19 Option Award | 2026-05-21 4:05 pm | N/A N/A | Proto Labs Inc | PRLB | WEHRWEIN SVEN Director | 2,210 | $0 | 34,505 (Direct) | View |
| 2026-05-19 Option Award | 2026-05-21 4:04 pm | N/A N/A | Proto Labs Inc | PRLB | KRANTZ DONALD G Director | 2,210 | $0 | 26,863 (Direct) | View |
| 2026-05-12 Exercise | 2026-05-13 4:40 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 1,557 | $39.61 | 32,919 (Direct) | View |
| 2026-05-11 Exercise | 2026-05-13 4:40 pm | N/A 2033-02-14 | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 14,960 | $0 | 32,919 (Direct) | View |
| 2026-05-12 Exercise | 2026-05-13 4:40 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 4,042 | $59.4 | 32,919 (Direct) | View |
| 2026-05-11 Exercise | 2026-05-13 4:40 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 5,684 | $33.84 | 32,919 (Direct) | View |
| 2026-05-11 Exercise | 2026-05-13 4:40 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 3,677 | $33.52 | 32,919 (Direct) | View |
| 2026-05-07 Exercise | 2026-05-08 4:33 pm | N/A 2033-02-14 | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 200 | $0 | 42,253 (Direct) | View |
| 2026-05-07 Exercise | 2026-05-08 4:33 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 100 | $33.84 | 42,253 (Direct) | View |
| 2026-05-07 Exercise | 2026-05-08 4:33 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 100 | $33.52 | 42,253 (Direct) | View |
| 2026-02-25 Option Award | 2026-02-27 4:16 pm | N/A 2036-02-25 | Proto Labs Inc | PRLB | Krishna Suresh President and CEO | 37,756 | $0 | 55,777 (Direct) | View |
| 2026-02-25 Tax Withholding | 2026-02-27 4:16 pm | N/A N/A | Proto Labs Inc | PRLB | Schumacher Daniel Chief Financial Officer | 504 | $62.63 | 50,879 (Direct) | View |
| 2026-02-25 Option Award | 2026-02-27 4:16 pm | N/A 2036-02-25 | Proto Labs Inc | PRLB | Schumacher Daniel Chief Financial Officer | 8,679 | $0 | 50,879 (Direct) | View |
| 2026-02-25 Tax Withholding | 2026-02-27 4:16 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 531 | $62.63 | 31,590 (Direct) | View |
| 2026-02-25 Option Award | 2026-02-27 4:16 pm | N/A 2036-02-25 | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 6,819 | $0 | 31,590 (Direct) | View |
| 2026-02-25 Option Award | 2026-02-27 4:15 pm | N/A 2036-02-25 | Proto Labs Inc | PRLB | Kermisch Marc Chief Technology & AI Officer | 7,890 | $0 | 11,608 (Direct) | View |
| 2026-02-13 Tax Withholding | 2026-02-18 4:38 pm | N/A N/A | Proto Labs Inc | PRLB | Schumacher Daniel Chief Financial Officer | 1,267 | $67.52 | 42,704 (Direct) | View |
| 2026-02-13 Tax Withholding | 2026-02-18 4:37 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 1,540 | $67.52 | 25,302 (Direct) | View |
| 2026-02-10 Tax Withholding | 2026-02-12 4:50 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 2,684 | $53.18 | 31,842 (Direct) | View |
| 2026-02-11 Exercise | 2026-02-12 4:48 pm | N/A 2026-02-14 | Proto Labs Inc | PRLB | Schumacher Daniel Chief Financial Officer | 3,135 | $0 | 43,971 (Direct) | View |
| 2026-02-10 Tax Withholding | 2026-02-12 4:48 pm | N/A N/A | Proto Labs Inc | PRLB | Schumacher Daniel Chief Financial Officer | 6,809 | $53.18 | 43,971 (Direct) | View |
| 2026-02-11 Exercise | 2026-02-12 4:48 pm | N/A N/A | Proto Labs Inc | PRLB | Schumacher Daniel Chief Financial Officer | 3,135 | $33.84 | 43,971 (Direct) | View |
| 2026-01-29 Option Award | 2026-02-04 6:16 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 8,128 | $0 | 37,026 (Direct) | View |
| 2026-01-29 Option Award | 2026-02-04 6:15 pm | N/A N/A | Proto Labs Inc | PRLB | Schumacher Daniel Chief Financial Officer | 20,686 | $0 | 47,645 (Direct) | View |
| 2025-11-25 Exercise(A) | 2025-12-03 6:13 pm | N/A 2026-02-14 | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 3,048 | $0 | 28,898 (Direct) | View |
| 2025-11-25 Exercise(A) | 2025-12-03 6:13 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 3,048 | $33.84 | 28,898 (Direct) | View |
| 2025-11-25 Exercise | 2025-11-26 5:37 pm | N/A 2033-02-14 | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 3,048 | $0 | 33,562 (Direct) | View |
| 2025-11-25 Exercise | 2025-11-26 5:37 pm | N/A N/A | Proto Labs Inc | PRLB | Kenison Michael R. Chief Operations Officer | 3,048 | $33.84 | 33,562 (Direct) | View |
| 2025-11-17 Option Award | 2025-11-19 4:13 pm | N/A 2035-11-17 | Proto Labs Inc | PRLB | Kermisch Marc Chief Technology & AI Officer | 10,536 | $0 | 10,536 (Direct) | View |
| 2025-05-23 Option Award | 2025-05-28 6:04 pm | N/A N/A | Proto Labs Inc | PRLB | Black Archie C. Director | 3,939 | $0 | 26,218 (Direct) | View |
| 2025-05-23 Option Award | 2025-05-28 5:54 pm | N/A N/A | Proto Labs Inc | PRLB | Gawlick Rainer Director | 3,939 | $0 | 42,168 (Direct) | View |
| 2025-05-23 Option Award | 2025-05-28 5:54 pm | N/A N/A | Proto Labs Inc | PRLB | Chin Moonhie Director | 3,939 | $0 | 20,096 (Direct) | View |
| 2025-05-23 Option Award | 2025-05-28 5:53 pm | N/A N/A | Proto Labs Inc | PRLB | Chand Sujeet Director | 3,939 | $0 | 24,653 (Direct) | View |
| 2025-05-23 Option Award | 2025-05-28 5:52 pm | N/A N/A | Proto Labs Inc | PRLB | Greiner Stacy Director | 3,939 | $0 | 19,644 (Direct) | View |
| 2025-05-23 Option Award | 2025-05-28 5:51 pm | N/A N/A | Proto Labs Inc | PRLB | WEHRWEIN SVEN Director | 3,939 | $0 | 32,295 (Direct) | View |
| 2025-05-23 Option Award | 2025-05-28 5:49 pm | N/A N/A | Proto Labs Inc | PRLB | KRANTZ DONALD G Director | 3,939 | $0 | 24,653 (Direct) | View |
| 2025-05-23 Option Award | 2025-05-28 4:59 pm | N/A 2035-05-23 | Proto Labs Inc | PRLB | Krishna Suresh President and CEO | 45,818 | $0 | 45,818 (Direct) | View |
| 2025-05-20 Tax Withholding | 2025-05-22 4:40 pm | N/A N/A | Proto Labs Inc | PRLB | Schumacher Daniel Chief Financial Officer | 305 | $40.87 | 26,959 (Direct) | View |