Proto Labs Inc — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Kenison Michael R. | Chief Operations Officer | Option Exercise | 3,048 | $33.84 | $103,144 | 31,946 | Nov 25, 2025 |
| Kenison Michael R. | Chief Operations Officer | Sale | 3,048 | $50.17 | $152,918 | 28,898 | Nov 25, 2025 |
| Kermisch Marc | Chief Technology & AI Officer | Award / Grant | 3,718 | — | — | 3,718 | Nov 17, 2025 |
| Gawlick Rainer | — | Purchase | 1,715 | $43.79 | $75,100 | 43,883 | Aug 5, 2025 |
| Krishna Suresh | President and CEO | Purchase | 1,725 | $43.51 | $75,055 | 18,021 | Aug 4, 2025 |
| Black Archie C. | — | Award / Grant | 3,939 | — | — | 26,218 | May 23, 2025 |
| Gawlick Rainer | — | Award / Grant | 3,939 | — | — | 42,168 | May 23, 2025 |
| Chin Moonhie | — | Award / Grant | 3,939 | — | — | 20,096 | May 23, 2025 |
| Chand Sujeet | — | Award / Grant | 3,939 | — | — | 24,653 | May 23, 2025 |
| Greiner Stacy | — | Award / Grant | 3,939 | — | — | 19,644 | May 23, 2025 |
| WEHRWEIN SVEN | — | Award / Grant | 3,939 | — | — | 32,295 | May 23, 2025 |
| KRANTZ DONALD G | — | Award / Grant | 3,939 | — | — | 24,653 | May 23, 2025 |
| Krishna Suresh | President and CEO | Award / Grant | 16,296 | — | — | 16,296 | May 23, 2025 |
| Schumacher Daniel | Chief Financial Officer | Tax Withholding | 305 | $40.87 | $12,465 | 26,959 | May 20, 2025 |
| Kenison Michael R. | Chief Operations Officer | Tax Withholding | 204 | $40.87 | $8,337 | 28,841 | May 20, 2025 |
| Schumacher Daniel | Chief Financial Officer | Award / Grant | 4,419 | — | — | 27,264 | Feb 25, 2025 |
| Kenison Michael R. | Chief Operations Officer | Award / Grant | 6,943 | — | — | 28,982 | Feb 25, 2025 |
| Ryaboy Oleg | Chief Technology Officer | Award / Grant | 7,574 | — | — | 35,305 | Feb 25, 2025 |
| Bodor Robert | President and CEO | Award / Grant | 18,935 | — | — | 108,579 | Feb 25, 2025 |
| Ryaboy Oleg | Chief Technology Officer | Tax Withholding | 2,461 | $45.03 | $110,819 | 27,731 | Feb 13, 2025 |
| Bodor Robert | President and CEO | Tax Withholding | 7,268 | $45.03 | $327,278 | 89,644 | Feb 13, 2025 |
| Kenison Michael R. | Chief Operations Officer | Tax Withholding | 1,696 | $45.03 | $76,371 | 22,039 | Feb 13, 2025 |
| Schumacher Daniel | Chief Financial Officer | Award / Grant | 3,077 | — | — | 25,207 | Feb 13, 2025 |
| Bodor Robert | President and CEO | Purchase | 3,480 | $28.68 | $99,806 | 80,878 | Sep 6, 2024 |
| Black Archie C. | — | Award / Grant | 4,701 | — | — | 20,714 | May 23, 2024 |
| Chand Sujeet | — | Award / Grant | 4,701 | — | — | 20,714 | May 23, 2024 |
| Chin Moonhie | — | Award / Grant | 4,701 | — | — | 16,157 | May 23, 2024 |
| Gawlick Rainer | — | Award / Grant | 4,701 | — | — | 38,229 | May 23, 2024 |
| Greiner Stacy | — | Award / Grant | 4,701 | — | — | 15,705 | May 23, 2024 |
| KRANTZ DONALD G | — | Award / Grant | 4,701 | — | — | 20,714 | May 23, 2024 |
| WEHRWEIN SVEN | — | Award / Grant | 4,701 | — | — | 28,356 | May 23, 2024 |
| Kenison Michael R. | VP and GM of the America's | Tax Withholding | 336 | $31.81 | $10,688 | 22,351 | May 20, 2024 |
| Schumacher Daniel | Chief Financial Officer | Tax Withholding | 370 | $31.81 | $11,770 | 22,130 | May 20, 2024 |
| Klaas Bjoern | VP and Mng Director-PL Europe | Award / Grant | 6,713 | — | — | 23,046 | Feb 13, 2024 |
| Schumacher Daniel | Chief Financial Officer | Tax Withholding | 1,018 | $33.52 | $34,123 | 17,279 | Feb 13, 2024 |
| Kenison Michael R. | VP and GM of the America's | Award / Grant | 8,205 | — | — | 22,405 | Feb 13, 2024 |
| Ryaboy Oleg | Chief Technology Officer | Tax Withholding | 1,702 | $33.52 | $57,051 | 19,055 | Feb 13, 2024 |
| Bodor Robert | President and CEO | Tax Withholding | 3,548 | $33.52 | $118,929 | 54,328 | Feb 13, 2024 |
| Schumacher Daniel | Chief Financial Officer | Tax Withholding | 418 | $32.36 | $13,526 | 18,297 | May 20, 2023 |
| Black Archie C. | — | Award / Grant | 4,513 | — | — | 16,013 | May 17, 2023 |
| Chand Sujeet | — | Award / Grant | 4,513 | — | — | 16,013 | May 17, 2023 |
| Chin Moonhie | — | Award / Grant | 4,513 | — | — | 11,456 | May 17, 2023 |
| Gawlick Rainer | — | Award / Grant | 4,513 | — | — | 33,528 | May 17, 2023 |
| Greiner Stacy | — | Award / Grant | 4,513 | — | — | 11,004 | May 17, 2023 |
| WEHRWEIN SVEN | — | Award / Grant | 4,513 | — | — | 23,655 | May 17, 2023 |
| KRANTZ DONALD G | — | Award / Grant | 4,513 | — | — | 16,013 | May 17, 2023 |
| Bodor Robert | President and CEO | Tax Withholding | 2,053 | $34.23 | $70,274 | 34,614 | Feb 14, 2023 |
| Kenison Michael R. | VP and GM of the America's | Award / Grant | 8,127 | — | — | 14,724 | Feb 13, 2023 |
| Schumacher Daniel | Chief Financial Officer | Award / Grant | 5,172 | — | — | 18,715 | Feb 13, 2023 |
| Ryaboy Oleg | Chief Technology Officer | Award / Grant | 10,343 | — | — | 18,863 | Feb 13, 2023 |