Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 11 non-open-market transactions below 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

11 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 18, 2010 NPKI S 500 $8.50 $4,250 61,181 Direct -0.81% Disposed 38.7% (price as of 2026-10-02)

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.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 9, 2011 NPKI Non-Qualified Stock Option (right to buy) Common Stock (31,066) $9.13 June 9, 2021 31,066 Acquired
Aug. 18, 2010 NPKI Non-Qualified Stock Option (right to buy) Common Stock (500) $3.31 June 10, 2019 500 Disposed
June 10, 2009 NPKI Common Stock Common Stock (131,860) $3.31 June 10, 2019 131,860 Acquired
June 10, 2008 NPKI Common Stock Common Stock (69,400) $7.89 June 10, 2018 69,400 Acquired
June 2, 2008 NPKI Stock Options (right to buy) Common Stock (20,000) $7.45 June 2, 2018 20,000 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).