Proto Labs Inc (PRLB) — Insider Trading
Insider trading activity for Proto Labs Inc sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 20
- Last trade date: May 13, 2026
- Ticker: PRLB
Top Insiders
- Kenison Michael R. (Chief Operations Officer) — 20 trades, buy: $0, sell: $1.7M
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| May 12, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 4,042 | N/A |
| May 12, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 1,557 | N/A |
| May 12, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 1,928 | N/A |
| May 11, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 3,677 | N/A |
| May 11, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 3,756 | N/A |
| May 12, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | SELL | 6,643 | $467K |
| May 12, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | SELL | 3,576 | $250K |
| May 12, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | SELL | 4,198 | $288K |
| May 12, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | SELL | 1,613 | $109K |
| May 12, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 4,042 | $240K |
| May 12, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 1,557 | $62K |
| May 12, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 1,928 | $65K |
| May 11, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | SELL | 7,433 | $522K |
| May 11, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 3,677 | $123K |
| May 11, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 3,756 | $127K |
| May 7, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 100 | N/A |
| May 7, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 100 | N/A |
| May 7, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | SELL | 200 | $14K |
| May 7, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 100 | $3K |
| May 7, 2026 | Kenison Michael R. | PRLB Proto Labs Inc | OTHER | 100 | $3K |