Walker F Tucei JR

Insider

First SEC filing: May 9, 2005 · Latest: May 9, 2005

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 5 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

5 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 11, 2008	NPKI	A	10,000	—	—	47,000 Direct	+27.03%	Acquired	(price as of 2026-08-21)
June 13, 2007	NPKI	A	10,000	—	—	37,000 Direct	+37.04%	Acquired	(price as of 2026-08-21)
Dec. 28, 2006	NPKI	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 7, 2006	NPKI	P	10,000	$6.22	$62,200	10,000 Indirect	—	Acquired	122.6% (price as of 2026-08-21)
June 8, 2005	NPKI	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-21)
June 8, 2005	NPKI	A	10,000	$6.27	$62,700	10,000 Direct	—	Acquired	120.8% (price as of 2026-08-21)
May 6, 2005	NPKI	P	7,000	$6.43	$45,010	17,000 Direct	+70.00%	Acquired	115.3% (price as of 2026-08-21)

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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Dec. 28, 2006	NPKI	Stock Options (right to buy)	Common Stock (10,000)	$7.17	Dec. 28, 2016	10,000	Acquired
June 8, 2005	NPKI	Stock Options (right to buy)	Common Stock (10,000)	$6.27	June 8, 2012	10,000	Acquired
June 8, 2005	NPKI	Stock Options (right to buy)	Options (10,000)	$6.27	June 8, 2012	10,000	Acquired

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