Arkolith/Insider Trading/NPKI/Form 4

Lanigan Matthew

President & CEO, DirectorNPK International Inc. (NPKI) · full profile →Form 4 · filed Sep 4, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$10K
Net Open-Market Flow
-$10K
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Sep 3, 2025Option exercise(M)1K$4.32$4K1.1M
Sep 3, 2025Sell(S)1K$10.38$10K1.1M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Sep 3, 2025Option exercise(M)1K$10.38$10K0

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000071829-25-000129) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML