Proto Labs Inc. insider trading
This tab shows only the shares insiders bought or sold on the open market in the last twelve months (Form 4 codes P and S). Grants, option exercises, shares held back for tax and gifts are left out on purpose, so what is left is insiders trading at the market price like anyone else.
In the last twelve months insiders at Proto Labs Inc. filed 14 open-market sales worth $3.3 million and 0 open-market purchases, on Form 4 with the SEC. The latest: Schumacher Daniel, Chief Financial Officer, sold 5,000 shares at $95.32 on 24 September 2026, filed 25 September 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 24 September 2026 | Schumacher Daniel | Chief Financial Officer | Sale | 5,000 | $95.32 | $476,604 | Form 4 |
| 17 September 2026 | Schumacher Daniel | Chief Financial Officer | Sale | 4,900 | $85.21 | $417,535 | Form 4 |
| 16 September 2026 | Schumacher Daniel | Chief Financial Officer | Sale | 100 | $85.00 | $8,500 | Form 4 |
| 2 June 2026 | Wehrwein Sven | Director | Sale | 1,500 | $76.91 | $115,360 | Form 4 |
| 2 June 2026 | Wehrwein Sven | Director | Sale | 500 | $78.38 | $39,190 | Form 4 |
| 12 May 2026 | Kenison Michael R. | Chief Operations Officer | Sale | 1,613 | $67.58 | $109,008 | Form 4 |
| 12 May 2026 | Kenison Michael R. | Chief Operations Officer | Sale | 4,198 | $68.70 | $288,390 | Form 4 |
| 12 May 2026 | Kenison Michael R. | Chief Operations Officer | Sale | 3,576 | $69.78 | $249,542 | Form 4 |
| 12 May 2026 | Kenison Michael R. | Chief Operations Officer | Sale | 6,643 | $70.30 | $466,975 | Form 4 |
| 11 May 2026 | Kenison Michael R. | Chief Operations Officer | Sale | 7,433 | $70.26 | $522,251 | Form 4 |
| 7 May 2026 | Kenison Michael R. | Chief Operations Officer | Sale | 200 | $70.00 | $14,000 | Form 4 |
| 17 February 2026 | Kenison Michael R. | Chief Operations Officer | Sale | 5,000 | $66.46 | $332,315 | Form 4 |
| 6 February 2026 | Kenison Michael R. | Chief Operations Officer | Sale | 2,500 | $60.00 | $150,000 | Form 4 |
| 25 November 2025 | Kenison Michael R. | Chief Operations Officer | Sale | 3,048 | $50.17 | $152,931 | Form 4 |
A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Proto Labs Inc.: the company's filing index.
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