Arkolith/Insider Trading/NPKI/Form 4

Lanigan Matthew

President & CEO, DirectorNPK International Inc. (NPKI) · full profile →Form 4 · filed Aug 26, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$712K
Net Open-Market Flow
-$712K
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 22, 2025Sell(S)69K$10.34$712K1.1M
Aug 22, 2025Option exercise(M)69K$4.32$298K1.2M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 22, 2025Option exercise(M)69K$10.34$712K1K

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000071829-25-000126) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML