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PRLB · Proto Labs Inc

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$91.87 -0.45 (-0.49%) At close · Aug 14
Market Cap
$2.17B
Shares
23.92M

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
2026-08-04 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 1–13 of 13 filings
Key facts CIK 1443669 CUSIP 743713109 13F (30d) 261 filings 259 filers Visit website Investor relations