Matthew Lanigan sold $712K of NPK International (NPKI)

Executed Aug 22 2025, disclosed Aug 26 2025, 4 days later.

Value, as filed

$712K

68,896 sh × $10.34

Executed

Aug 22 2025

the trade date, as filed

Disclosed

Aug 26 2025

4 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

Matthew Lanigan President & CEO profile →

Matthew Lanigan (President & CEO) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in NPK International Inc. (NPKI). The largest single filing was $2.4M of NPKI (167,375 sh × $14.43, as filed), executed Jun 3.

The name

NPKI

NPK International Inc. NPKI · Industrials · 12 filings in 24 months ticker →

Industrials · NPK International Inc., a temporary worksite access solutions company, manufactures, sells, and rents recyclable composite matting products…

More Industrials filings→ Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Matthew Lanigan in NPKI

NPKISALE NPK International Inc. $2.4M
167,375 sh × $14.43
Exec Jun 3
Filed Jun 5 · 5:30 PM ET