Proto Labs Inc insider trading
PRLB$98.68+0.47 (+0.48% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+94.9%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- RBRobert Bodor0.4539%
- RGRainer Gawlick0.1927%
- OROleg Ryaboy0.1476%
- DSDaniel Schumacher0.1464%
- SWSven Wehrwein0.1359%
- SKSuresh Krishna0.126%
- ACArchie C. Black0.1188%
- DGDonald G. Krantz0.1123%
- SCSujeet Chand0.1123%
- MCMoonhie Chin0.0932%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| PRLB | Daniel Schumacher | Open market sell$477K | -12.5% | $95.32 | $477K | Sep 24, 2026 | Sep 25, 2026 |
| PRLB | Daniel Schumacher | Open market sell$418K | -10.9% | $85.21 | $418K | Sep 17, 2026 | Sep 18, 2026 |
| PRLB | Daniel Schumacher | Open market sell$8.5K | -0.2% | $85.00 | $8.5K | Sep 16, 2026 | Sep 18, 2026 |
| PRLB | Sven Wehrwein | Open market sell$39.2K | -1.5% | $78.38 | $39.2K | Jun 2, 2026 | Jun 4, 2026 |
| PRLB | Sven Wehrwein | Open market sell$115K | -4.4% | $76.91 | $115K | Jun 2, 2026 | Jun 4, 2026 |
| PRLB | Michael R. Kenison | Open market sell$332K | -16.5% | $66.46 | $332K | Feb 17, 2026 | Feb 18, 2026 |
| PRLB | Michael R. Kenison | Open market sell$150K | -6.8% | $60.00 | $150K | Feb 6, 2026 | Feb 9, 2026 |