CIK 0001443669 · Large accelerated filer
Proto Labs Inc
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2026-02-25 | Schumacher Daniel Chief Financial Officer | Shares withheld for taxes | −504 | $62.63 | $32K | 45,274 |
| 2026-02-25 | Schumacher Daniel Chief Financial Officer | Grant or award · Employee Stock Option (right to buy) | +5,605 | 5,605 | ||
| 2026-02-25 | Kenison Michael R. Chief Operations Officer | Grant or award | +2,415 | 27,717 | ||
| 2026-02-25 | Kenison Michael R. Chief Operations Officer | Shares withheld for taxes | −531 | $62.63 | $33K | 27,186 |
| 2026-02-25 | Kenison Michael R. Chief Operations Officer | Grant or award · Employee Stock Option (right to buy) | +4,404 | 4,404 | ||
| 2026-02-25 | Kermisch Marc Chief Technology & AI Officer | Grant or award | +2,795 | 6,513 | ||
| 2026-02-25 | Kermisch Marc Chief Technology & AI Officer | Grant or award · Employee Stock Option (right to buy) | +5,095 | 5,095 | ||
| 2026-02-17 | Kenison Michael R. Chief Operations Officer | Sale 10b5-1 | −5,000 | $66.46 | $332K | 25,302 |
| 2026-02-13 | Schumacher Daniel Chief Financial Officer | Shares withheld for taxes | −1,267 | $67.52 | $86K | 42,704 |
| 2026-02-13 | Kenison Michael R. Chief Operations Officer | Shares withheld for taxes 10b5-1 | −1,540 | $67.52 | $104K | 30,302 |
| 2026-02-11 | Schumacher Daniel Chief Financial Officer | Option exercise | +3,135 | $33.84 | $106K | 43,971 |
| 2026-02-11 | Schumacher Daniel Chief Financial Officer | Option exercise · Employee Stock Option (right to buy) | −3,135 | 0 | ||
| 2026-02-10 | Schumacher Daniel Chief Financial Officer | Shares withheld for taxes | −6,809 | $53.18 | $362K | 40,836 |
| 2026-02-10 | Kenison Michael R. Chief Operations Officer | Shares withheld for taxes | −2,684 | $53.18 | $143K | 31,842 |
| 2026-02-06 | Kenison Michael R. Chief Operations Officer | Sale 10b5-1 | −2,500 | $60.00 | $150K | 34,526 |
| 2026-01-29 | Kenison Michael R. Chief Operations Officer | Grant or award | +8,128 | 37,026 | ||
| 2026-01-29 | Schumacher Daniel Chief Financial Officer | Grant or award | +20,686 | 47,645 | ||
| 2025-11-25 | Kenison Michael R. Chief Operations Officer | Option exercise 10b5-1 | +3,048 | $33.84 | $103K | 31,946 |
| 2025-11-25 | Kenison Michael R. Chief Operations Officer | Sale 10b5-1 | −3,048 | $50.17 | $153K | 28,898 |
| 2025-11-25 | Kenison Michael R. Chief Operations Officer | Option exercise · Employee Stock Option (right to buy) 10b5-1 | −3,048 | 0 |
Page 3 of 9 · 176 trades