Proto Labs Inc (PRLB) insider trading
Every open-market stock purchase and sale by Proto Labs Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Daniel Schumacher (CFO) sold $903K in the last 90 days.
- Last insider buy: Rainer Gawlick (Director), $75.1K, 15 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $3.5M (9 sales). Last close $89.69 on Oct 21, 2026.
Recent PRLB insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 24, 2026 | Daniel Schumacher (CFO) | Sold | $477K |
| Sep 17, 2026 | Daniel Schumacher (CFO) | Sold | $418K |
| Sep 16, 2026 | Daniel Schumacher (CFO) | Sold | $8.5K |
| Jun 2, 2026 | Sven Wehrwein (Director) | Sold | $115K |
| Jun 2, 2026 | Sven Wehrwein (Director) | Sold | $39.2K |
| May 23, 2026 | Suresh Krishna (CEO) | Sold (not open market) | $89K |
| May 20, 2026 | Daniel Schumacher (CFO) | Sold (not open market) | $18.1K |
| May 20, 2026 | Bernardo Parlange (C-suite exec) | Bought (not open market) | — |
| May 20, 2026 | Bernardo Parlange (C-suite exec) | Bought (not open market) | — |
| May 19, 2026 | Archie C. Black (Director) | Bought (not open market) | — |
| May 19, 2026 | Sujeet Chand (Director) | Bought (not open market) | — |
| May 19, 2026 | Moonhie Chin (Director) | Bought (not open market) | — |
| May 19, 2026 | Rainer Gawlick (Director) | Bought (not open market) | — |
| May 19, 2026 | Donald G Krantz (Director) | Bought (not open market) | — |
| May 19, 2026 | Sven Wehrwein (Director) | Bought (not open market) | — |
| May 12, 2026 | Michael R. Kenison (C-suite exec) | Sold | $467K |
| May 12, 2026 | Michael R. Kenison (C-suite exec) | Sold | $288K |
| May 12, 2026 | Michael R. Kenison (C-suite exec) | Sold | $250K |
| May 12, 2026 | Michael R. Kenison (C-suite exec) | Sold | $109K |
| May 12, 2026 | Michael R. Kenison (C-suite exec) | Bought (not open market) | — |
| May 12, 2026 | Michael R. Kenison (C-suite exec) | Bought (not open market) | — |
| May 12, 2026 | Michael R. Kenison (C-suite exec) | Bought (not open market) | — |
| May 11, 2026 | Michael R. Kenison (C-suite exec) | Sold | $522K |
| May 11, 2026 | Michael R. Kenison (C-suite exec) | Bought (not open market) | — |
| May 11, 2026 | Michael R. Kenison (C-suite exec) | Bought (not open market) | — |
Who's trading PRLB
- Daniel Schumacher, CFO: sold $903K (3 sales), last Sep 24, 2026
- Sven Wehrwein, Director: sold $155K (2 sales), last Jun 2, 2026
- Suresh Krishna, CEO: other filings, last May 23, 2026
- Bernardo Parlange, C-suite exec: other filings, last May 20, 2026
- Donald G Krantz, Director: other filings, last May 19, 2026
- Archie C. Black, Director: other filings, last May 19, 2026
- Sujeet Chand, Director: other filings, last May 19, 2026
- Moonhie Chin, Director: other filings, last May 19, 2026
- Rainer Gawlick, Director: other filings, last May 19, 2026
- Michael R. Kenison, C-suite exec: sold $2.4M (10 sales), last May 12, 2026
- Marc Kermisch, CTO: other filings, last Feb 25, 2026
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