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PRLB · Proto Labs Inc · Proposed Sales

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$94.37 -0.48 (-0.51%)
S&P 600 member Russell 2000 member Rebalance outlook locked
Market Cap
$2.30B
Shares
23.92M
Volume · Oct 1 247.45K Avg daily vol (3M) 209.55K

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-09-25 MICHAEL R KENISON 1,143
2026-09-24 MICHAEL R KENISON 1,800
2026-09-24 DANIEL SCHUMACHER 5,000
2026-09-17 DANIEL SCHUMACHER 4,900
2026-09-16 DANIEL SCHUMACHER 100
2026-08-04 MICHAEL R KENISON 10,753
2026-06-01 WEHRWEIN SVEN 2,000
2026-05-12 MICHAEL R KENISON 16,030
2026-05-11 MICHAEL KENISON 7,433
2026-05-07 MICHAEL KENISON 200
2026-02-06 MICHAEL KENISON 7,500
2026-01-16 OLEG RYABOY 368
2026-01-15 OLEG RYABOY 7,178
2026-01-08 OLEG RYABOY 7,026
2026-01-07 OLEG RYABOY 6,669
2025-11-25 OLEG RYABOY 695
2025-11-25 MICHAEL KENISON 3,048
2025-11-07 OLEG RYABOY 9,710
Showing 1–18 of 18 filings
Key facts CIK 1443669 CUSIP 743713109 13F (30d) 10 filings 8 filers Visit website Investor relations