CIK 0001443669 · Large accelerated filer
Proto Labs Inc
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- PRLB
- Exchange
- NYSE
- Industry
- Fabricated Structural Metal Products
- FY end
- Dec 31
- Incorporated
- MN
- Entity type
- operating
- Phone
- 763-479-7474
- Business address
- 5540 Pioneer Creek, Maple Plain, MN, 55359
- Open-market buys, last 90 days
- $101,230
- in 2 filings
- Open-market sales, last 90 days
- $902,640
- in 2 filings, $903K under 10b5-1 plans
Net −$801,410. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-05-12 | Kenison Michael R. Chief Operations Officer | Sale 10b5-1 | −1,613 | $67.58 | $109K | 33,100 |
| 2026-05-12 | Kenison Michael R. Chief Operations Officer | Sale 10b5-1 | −4,198 | $68.70 | $288K | 28,902 |
| 2026-05-12 | Kenison Michael R. Chief Operations Officer | Sale 10b5-1 | −3,576 | $69.78 | $250K | 25,326 |
| 2026-05-12 | Kenison Michael R. Chief Operations Officer | Sale 10b5-1 | −6,643 | $70.30 | $467K | 18,683 |
| 2026-05-12 | Kenison Michael R. Chief Operations Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −1,928 | 1,928 | ||
| 2026-05-12 | Kenison Michael R. Chief Operations Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −1,557 | 4,674 | ||
| 2026-05-12 | Kenison Michael R. Chief Operations Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −4,042 | 0 | ||
| 2026-05-11 | Kenison Michael R. Chief Operations Officer | Option exercise 10b5-1 | +3,756 | $33.84 | $127K | 30,942 |
| 2026-05-11 | Kenison Michael R. Chief Operations Officer | Option exercise 10b5-1 | +3,677 | $33.52 | $123K | 34,619 |
| 2026-05-11 | Kenison Michael R. Chief Operations Officer | Sale 10b5-1 | −7,433 | $70.26 | $522K | 27,186 |
| 2026-05-11 | Kenison Michael R. Chief Operations Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −3,756 | 3,856 | ||
| 2026-05-11 | Kenison Michael R. Chief Operations Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −3,677 | 3,778 | ||
| 2026-05-07 | Kenison Michael R. Chief Operations Officer | Option exercise 10b5-1 | +100 | $33.84 | $3K | 27,286 |
| 2026-05-07 | Kenison Michael R. Chief Operations Officer | Option exercise 10b5-1 | +100 | $33.52 | $3K | 27,386 |
| 2026-05-07 | Kenison Michael R. Chief Operations Officer | Sale 10b5-1 | −200 | $70.00 | $14K | 27,186 |
| 2026-05-07 | Kenison Michael R. Chief Operations Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −100 | 7,612 | ||
| 2026-05-07 | Kenison Michael R. Chief Operations Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −100 | 7,455 | ||
| 2026-02-25 | Krishna Suresh President and CEO | Grant or award | +13,373 | 31,394 | ||
| 2026-02-25 | Krishna Suresh President and CEO | Grant or award · Employee Stock Option (right to buy) | +24,383 | 24,383 | ||
| 2026-02-25 | Schumacher Daniel Chief Financial Officer | Grant or award | +3,074 | 45,778 |
Page 2 of 9 · 176 trades