Proto Labs Inc (PRLB) has 88 open-market insider trades by 20 insiders since 2012. Over the last six months insiders net sold $155K. The most active filer is Robert Bodor, CEO & President.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Lawrence J. Lukis | Dir | — | 4 | $220.8M | 2015-08-31 |
| Gp Llc Nbge | 10% | — | 2 | $50.8M | 2012-11-21 |
| Douglas A. Kingsley | Dir | — | 1 | $43.9M | 2013-02-21 |
| Brian K. Smith | Dir | — | 10 | $13.4M | 2016-05-19 |
| Victoria M. Holt | CEOPres | — | 5 | $10.4M | 2021-02-16 |
| Bradley A. Cleveland | Dir | — | 2 | $8.5M | 2014-05-20 |
| John B. Tumelty | VPDir | — | 7 | $8.3M | 2017-11-22 |
| John R. Judd | CFO & Principal Accounting Off | — | 3 | $7.1M | 2014-07-31 |
| John Way | CFO | — | 3 | $6.6M | 2021-02-16 |
| Robert Bodor | CEOPres | — | 14 | $5.1M | 2025-02-25 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Daniel Schumacher | CFO | Sell | $477K | 2026-09-24 |
| Daniel Schumacher | CFO | Sell | $426K | 2026-09-16 |
| Sven Wehrwein | Director | Sell | $155K | 2026-06-02 |
| Michael R. Kenison | COO | Sell | $1.6M | 2026-05-11 |
| Michael R. Kenison | COO | Sell | $14K | 2026-05-07 |
| Michael R. Kenison | Chief Operations Officer | Sell | $332K | 2026-02-17 |
Companies that share insiders with PRLB, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Michael R. Kenison | Chief Operations Officer | Sell | $150K | 2026-02-06 |
| Michael R. Kenison | COO | Sell | $306K | 2025-11-25 |
| Rainer Gawlick | Director | Buy | $150K | 2025-08-05 |
| Suresh Krishna | CEO & President | Buy | $150K | 2025-08-04 |
| Robert Bodor | CEO & President | Buy | $200K | 2024-09-06 |
| Robert Bodor | CEO & President | Buy | $300K | 2021-12-03 |
| Arthur R. Baker III | CTO | Buy | $492K | 2021-12-01 |
| John B. Goodman | Director | Sell | $151K | 2021-03-01 |
| Arthur R. Baker III | CTO | Sell | $1.8M | 2021-02-16 |