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Proto Labs Inc
PRLBNYSECIK: 0001443669
Recent Form 4 activity at Proto Labs Inc (PRLB) spans 21 filings across 9 insiders (2 buying and 3 selling). Purchases total $251.4K against $3.2M in sales — heavily weighted toward selling, for net sales of $2.9M. Kenison Michael R. (Chief Operations Officer) is the most active by dollar volume, and the single largest transaction was $2.9M by Kenison Michael R.. All figures are drawn from official SEC Form 3, 4, and 5 disclosures and update as new filings arrive.
Total Volume
$5.5M
Purchases
$251.4K
Sales
$3.2M
Unique Insiders
9
Recent Insider Trades
21 loaded
| Nov 4 | PRLB Proto Labs Inc | Gawlick Rainer | Director | Buy | $49.1K |
| Nov 4 | PRLB Proto Labs Inc | Krishna Suresh | President and CEO, Director | Buy | $52.1K |
| Sep 25 | PRLB Proto Labs Inc | Schumacher Daniel | Chief Financial Officer | Sell | $476.6K |
| Sep 18 | PRLB Proto Labs Inc | Schumacher Daniel | Chief Financial Officer | Sell | $426.0K |
| Sep 10 | PRLB Proto Labs Inc | Ramahi Salam | Chief Operations Officer | Other | $0 |
| Jun 4 | PRLB Proto Labs Inc | WEHRWEIN SVEN | Director | Sell | $154.6K |
| May 21 | PRLB Proto Labs Inc | WEHRWEIN SVEN | Director | Grant | $0 |
| May 21 | PRLB Proto Labs Inc | KRANTZ DONALD G | Director | Grant | $0 |
| May 22 | PRLB Proto Labs Inc | Parlange Bernardo | Chief Commercial Officer | Other | $0 |
| May 13 | PRLB Proto Labs Inc | Kenison Michael R. | Chief Operations Officer | Sell | $1.6M |
| May 8 | PRLB Proto Labs Inc | Kenison Michael R. | Chief Operations Officer | Sell | $14.0K |
| Feb 12 | PRLB Proto Labs Inc | Kenison Michael R. | Insider | Tax withheld | $142.7K |
| Feb 9 | PRLB Proto Labs Inc | Kenison Michael R. | Chief Operations Officer | Sell | $150.0K |
| Feb 4 | PRLB Proto Labs Inc | Schumacher Daniel | Chief Financial Officer | Grant | $0 |
| Feb 4 | PRLB Proto Labs Inc | Kenison Michael R. | Chief Operations Officer | Grant | $0 |
| Dec 3 | PRLB Proto Labs Inc | Kenison Michael R. | Chief Operations Officer | Sell | $152.9K |
| Nov 26 | PRLB Proto Labs Inc | Kenison Michael R. | Chief Operations Officer | Sell | $152.9K |
| Nov 19 | PRLB Proto Labs Inc | Kermisch Marc | Chief Technology & AI Officer | Grant | $320.9K |
| Oct 15 | PRLB Proto Labs Inc | Kermisch Marc | Chief Technology & AI Officer | Other | $0 |
| Aug 7 | PRLB Proto Labs Inc | Gawlick Rainer | Director | Buy | $75.1K |
| Aug 6 | PRLB Proto Labs Inc | Krishna Suresh | President and CEO, Director | Buy | $75.1K |
21 filings