Arkolith/Insider Trading/NPKI/Form 4

Lanigan Matthew

President & CEO, DirectorNPK International Inc. (NPKI) · full profile →Form 4 · filed Jun 3, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
7
5 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 1, 2025Tax withholding(F)43K$8.09$346K1.1M
Jun 1, 2025Tax withholding(F)39K$8.09$319K1.1M
Jun 1, 2025Tax withholding(F)22K$8.09$180K1.2M
Jun 1, 2025Option exercise(M)100K—$01.2M
Jun 1, 2025Option exercise(M)109K—$01.1M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jun 1, 2025Option exercise(M)109K—$0200K
Jun 1, 2025Option exercise(M)100K—$0100K

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0000071829-25-000091) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML