Insider at

04

Insider transactions

05
0 buys (P) 1 sells (S) Net: $-40,109 last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 9, 2026 NPKI S 10b5-1 2,991 $13.41 $40,109 51,439 Direct -5.50% Disposed -2.5% (price as of 2026-09-14)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Initial ownership (Form 3) 1 holding

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Sept. 8, 2026 NPKI Common Stock 54,430 Direct