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NPKI · NPK International Inc.

$13.51 -0.07 (-0.52%) At close · Aug 6
Market Cap
$1.15B
Shares
84.91M

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
2026-06-08 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 1–11 of 11 filings
Key facts CIK 71829 CUSIP 651718504 13F (30d) 62 filings 62 filers Visit website Investor relations