All insiders/SEC Form 4 history

Piontek Gregg

Senior Vice President and CFOCIK 1418328

1 Form 4 transaction across 1 company, 2026-04-09 → 2026-04-09.

Total disclosed
$226K
Buys
$0
Sells
$226K
Win rate · live

Holdings

Marked using shares-after from the latest filing × live quote
Company
Trades
Holding value
Last trade
Avg buy / sell
% since last
NPKI
NPK International Inc.
Senior Vice President and CFO
1
819.3K sh
SELL
2026-04-09
$15.04

Insider trade history

1 disclosed transaction
DateTickerCodeSharesPriceValueNow% since
2026-04-09NPKIS15.0K$15.04$226K

Form 4 codes: P open-market buy · S open-market sell · A grant/award · M option exercise · F tax withholding · G gift. % since is the move from the trade-day reported price to the live quote.