PRLB SEC Form 4 filings
Proto Labs Inc Latest Insider Trading Activity
Over the past 3,012 days, Proto Labs Inc (PRLB) has had 12 total open-market insider transactions represented in the displayed records. The latest displayed record by transaction date reports 2 sales by Wehrwein Sven (Proto Labs Inc Director) totaling 2,000 shares at a weighted-average price of $77.28 per share, with the latest transaction dated June 2, 2026. This page shows up to the 10 most recent SEC Form 4 filing records on a 6-hour delay. Sign up for real-time updates and access to 20 years of historic insider trading data.
Insider Trading For PRLB Charted on Daily Candles. Scroll left or zoom out to load earlier candles (up to 2 years).
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. PRLB | 2026-06-04 | 2026-06-02 | Proto Labs Inc | Wehrwein Sven | Director | Sell | 2 | 2,000 | $77.28 | $154,555.00 | 2.96% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction PRLB | 2025-11-26 | 2025-11-25 | Proto Labs Inc | Kenison Michael R. | Chief Operations Officer | Sell | 1 | 3,048 | $50.17 | $152,918.16 | 9.54% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. PRLB | 2025-08-07 | 2025-08-05 | Proto Labs Inc | Gawlick Rainer | Director | Buy | 1 | 1,715 | $43.79 | $75,099.85 | 3.91% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. PRLB | 2025-08-06 | 2025-08-04 | Proto Labs Inc | Krishna Suresh | President and CEO | Buy | 1 | 1,725 | $43.51 | $75,054.75 | 9.57% | View Filing |
| ESPP: Employee share purchase program PRLB | 2024-09-09 | 2024-09-06 | Proto Labs Inc | Bodor Robert | President and CEO | Buy | 1 | 3,480 | $28.68 | $99,806.40 | 4.30% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. PRLB | 2021-12-06 | 2021-12-03 | Proto Labs Inc | Bodor Robert | President and CEO | Buy | 1 | 3,138 | $47.87 | $150,216.06 | 12.71% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. PRLB | 2020-12-22 | 2020-12-18 | Proto Labs Inc | Gawlick Rainer | Director | Sell | 1 | 2,000 | $160.00 | $320,000.00 | 7.62% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. PRLB | 2020-08-12 | 2020-08-12 | Proto Labs Inc | Wehrwein Sven | Director | Sell | 2 | 4,762 | $130.20 | $620,022.00 | 14.20% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. PRLB | 2018-08-27 | 2018-08-23 | Proto Labs Inc | Bodor Robert | VP/General Manager-Americas | Sell | 1 | 3,000 | $145.00 | $435,000.00 | 13.18% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. PRLB | 2018-06-19 | 2018-06-15 | Proto Labs Inc | Bodor Robert | VP/General Manager-Americas | Sell | 1 | 2,997 | $135.10 | $404,894.70 | 13.17% | View Filing |
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