4
Changes in Ownership
Proto Labs Inc Filed Acc 0001628280-26-034651
Chief Operations Officer sold 23,463 shares at an average $69.73 ($1,636,166)
- Chief Operations Officer acquired 14,960 shares (option exercise)
- Traded under a Rule 10b5-1 plan
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Kenison Michael R. Chief Operations Officer | 2026-05-11 | Option exercise 10b5-1 | +3,756 | $33.84 | $127,103 | 30,942 | D |
| Kenison Michael R. Chief Operations Officer | 2026-05-11 | Option exercise 10b5-1 | +3,677 | $33.52 | $123,253 | 34,619 | D |
| Kenison Michael R. Chief Operations Officer | 2026-05-11 | Sale 10b5-1 | −7,433 | $70.26 | $522,251 | 27,186 | D |
| Kenison Michael R. Chief Operations Officer | 2026-05-12 | Option exercise 10b5-1 | +1,928 | $33.84 | $65,244 | 29,114 | D |
| Kenison Michael R. Chief Operations Officer | 2026-05-12 | Option exercise 10b5-1 | +1,557 | $39.61 | $61,673 | 30,671 | D |
| Kenison Michael R. Chief Operations Officer | 2026-05-12 | Option exercise 10b5-1 | +4,042 | $59.40 | $240,095 | 34,713 | D |
| Kenison Michael R. Chief Operations Officer | 2026-05-12 | Sale 10b5-1 | −1,613 | $67.58 | $109,008 | 33,100 | D |
| Kenison Michael R. Chief Operations Officer | 2026-05-12 | Sale 10b5-1 | −4,198 | $68.70 | $288,390 | 28,902 | D |
| Kenison Michael R. Chief Operations Officer | 2026-05-12 | Sale 10b5-1 | −3,576 | $69.78 | $249,542 | 25,326 | D |
| Kenison Michael R. Chief Operations Officer | 2026-05-12 | Sale 10b5-1 | −6,643 | $70.30 | $466,975 | 18,683 | D |
| Derivatives | |||||||
| Kenison Michael R. Chief Operations Officer | 2026-05-11 | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −3,756 | 3,856 | D | ||
| Kenison Michael R. Chief Operations Officer | 2026-05-11 | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −3,677 | 3,778 | D | ||
| Kenison Michael R. Chief Operations Officer | 2026-05-12 | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −1,928 | 1,928 | D | ||
| Kenison Michael R. Chief Operations Officer | 2026-05-12 | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −1,557 | 4,674 | D | ||
| Kenison Michael R. Chief Operations Officer | 2026-05-12 | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −4,042 | 0 | D | ||
| Open-market sales · 23,463 sh · avg $69.73 · $1,636,166 | |||||||
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