Dudediligence.

Proto Labs, Inc

PRLBNYSE · Fabricated Structural Metal Products
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$6,091,250

18 notices · 91,553 sh

Oct 2025 to Oct 2026

Reported ·

$2,439,961

11 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

9 of 11 reported sales carry the 10b5-1 box. Together they are 0.15% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-25: MICHAEL R KENISON, Form 1442026-09-24: DANIEL SCHUMACHER, Form 1442026-09-24: MICHAEL R KENISON, Form 1442026-09-17: DANIEL SCHUMACHER, Form 1442026-09-16: DANIEL SCHUMACHER, Form 1442026-08-04: MICHAEL R KENISON, Form 1442026-06-01: WEHRWEIN SVEN, Form 1442026-05-12: MICHAEL R KENISON, Form 1442026-05-11: MICHAEL KENISON, Form 1442026-05-07: MICHAEL KENISON, Form 1442026-02-06: MICHAEL KENISON, Form 1442026-01-16: OLEG RYABOY, Form 1442026-01-15: OLEG RYABOY, Form 1442026-01-08: OLEG RYABOY, Form 1442026-01-07: OLEG RYABOY, Form 1442025-11-25: OLEG RYABOY, Form 1442025-11-25: MICHAEL KENISON, Form 1442025-11-07: OLEG RYABOY, Form 1442025-11-25: Kenison Michael R., sold2026-02-06: Kenison Michael R., sold2026-02-17: Kenison Michael R., sold2026-05-07: Kenison Michael R., sold2026-05-11: Kenison Michael R., sold2026-06-02: WEHRWEIN SVEN, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-09-25MICHAEL R KENISON, Chief Operations Officer$109,494
1,143 shno plan dateForm 4s on file end Jun 23144 ↗
2026-09-24DANIEL SCHUMACHER, Chief Financial Officer$445,650
5,000 shplan 2026-06-05Form 4s on file end Jun 23144 ↗
2026-09-24MICHAEL R KENISON, Chief Operations Officer$172,535
1,800 shno plan dateForm 4s on file end Jun 23144 ↗
2026-09-17DANIEL SCHUMACHER, Chief Financial Officer$407,876
4,900 shplan 2026-06-05Form 4s on file end Jun 23144 ↗
2026-09-16DANIEL SCHUMACHER, Chief Financial Officer$7,909
100 shplan 2026-06-05Form 4s on file end Jun 23144 ↗
2026-08-04MICHAEL R KENISON, Chief Operations Officer$947,787
10,753 shno plan dateForm 4s on file end Jun 23144 ↗
2026-06-01WEHRWEIN SVEN, Director$151,900
2,000 shno plan date144 ↗
Form 4, 2026-06-04: sold 2,000 at $77.28 Form 4 ↗
2026-05-12MICHAEL R KENISON, Chief Operations Officer$1,113,915
16,030 shplan 2025-08-15Form 4s on file end Jun 23144 ↗
2026-05-11MICHAEL KENISON, Chief Operations Officer$515,107
7,433 shplan 2025-08-15144 ↗
Form 4, 2026-05-13: sold 23,463 at $69.73 Form 4 ↗
2026-05-07MICHAEL KENISON, Chief Operations Officer$13,778
200 shplan 2025-08-15144 ↗
Form 4, 2026-05-08: sold 200 at $70.00 Form 4 ↗
2026-02-06MICHAEL KENISON, Chief Operations Officer$393,600
7,500 shplan 2025-08-15144 ↗
Form 4, 2026-02-09: sold 2,500 at $60.00 Form 4 ↗
2026-01-16OLEG RYABOY, Chief Technology Officer$20,169
368 shplan 2025-09-08no Form 4 on file144 ↗
2026-01-15OLEG RYABOY, Chief Technology Officer$393,330
7,178 shplan 2025-09-08no Form 4 on file144 ↗
2026-01-08OLEG RYABOY, Chief Technology Officer$384,414
7,026 shplan 2025-09-08no Form 4 on file144 ↗
2026-01-07OLEG RYABOY, Chief Technology Officer$357,327
6,669 shplan 2025-09-08no Form 4 on file144 ↗
2025-11-25OLEG RYABOY, Chief Technology Officer$34,687
695 shplan 2025-09-08no Form 4 on file144 ↗
2025-11-25MICHAEL KENISON, Chief Operations Officer$150,144
3,048 shplan 2025-08-15144 ↗
Form 4, 2025-11-26: sold 3,048 at $50.17 Form 4 ↗
2025-11-07OLEG RYABOY, Chief Technology Officer$471,629
9,710 shplan 2025-09-08no Form 4 on file144 ↗