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NPKI · NPK International Inc. · Proposed Sales

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$11.79 -0.04 (-0.34%) At close · Oct 2
Market Cap
$995.14M
Shares
84.91M
Volume · Oct 2 716.48K Avg daily vol (3M) 821.48K

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
2026-09-09 MATTHEW WARREN 2,991
2026-08-27 ROBESON ROSE M 10,000
2026-08-17 MICHAEL LEWIS 4,026
2026-06-08 LORI BRIGGS 8,325
2026-06-03 MATTHEW LANIGAN 167,375
2026-06-02 LORI BRIGGS 10,446
2026-05-15 MICHAEL LEWIS 2,013
2026-03-06 MARY C FRUGE 12,193
2026-03-04 GREGG PIONTEK 173,590
2025-11-24 MICHAEL LEWIS 4,026
2025-10-01 LORI BRIGGS 10,108
2025-08-22 MATTHEW LANIGAN 69,896
2025-06-16 MICHAEL LEWIS 4,026
2025-06-06 LORI A BRIGGS 25,714
Showing 1–14 of 14 filings
Key facts CIK 71829 CUSIP 651718504 13F (30d) 9 filings 6 filers Visit website Investor relations