Insider at

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Insider transactions

05
0 buys (P) 1 sells (S) Net: $-2,415,221 + 96 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

96 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 3, 2026 NPKI S 10b5-1 167,375 $14.43 $2,415,221 254,699 Direct -39.66% Disposed -16.8% (price as of 2026-10-06)
Sept. 3, 2025 NPKI S 10b5-1 1,000 $10.38 $10,380 1,095,913 Direct -0.09% Disposed 15.7% (price as of 2026-10-06)
Aug. 22, 2025 NPKI S 10b5-1 68,896 $10.34 $712,385 1,095,913 Direct -5.91% Disposed 16.2% (price as of 2026-10-06)
Aug. 5, 2022 NPKI P 19,000 $2.55 $48,450 277,152 Direct +7.36% Acquired 371.0% (price as of 2026-10-06)

Showing latest 100 of 126 transactions

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 1, 2026 NPKI Restricted Stock Units Common Stock (100,188) · · 100,188 Disposed
Sept. 3, 2025 NPKI Non-Qualified Stock Option (right to buy) Common Stock (1,000) $4.32 May 19, 2026 1,000 Disposed
Aug. 22, 2025 NPKI Non-Qualified Stock Option (right to buy) Common Stock (68,896) $4.32 May 19, 2026 68,896 Disposed
June 1, 2025 NPKI Restricted Stock Units Common Stock (100,188) · · 100,188 Disposed
June 1, 2025 NPKI Restricted Stock Units Common Stock (108,651) · · 108,651 Disposed
Sept. 1, 2024 NPKI Restricted Stock Units Common Stock (33,333) · · 33,333 Disposed
June 1, 2024 NPKI Restricted Stock Units Common Stock (100,189) · · 100,189 Disposed
June 1, 2024 NPKI Restricted Stock Units Common Stock (108,651) · · 108,651 Disposed
June 1, 2024 NPKI Restricted Stock Units Common Stock (37,090) · · 37,090 Disposed
Sept. 1, 2023 NPKI Restricted Stock Units Common Stock (33,333) · · 33,333 Disposed
June 1, 2023 NPKI Restricted Stock Units Common Stock (37,090) · · 37,090 Disposed
June 1, 2023 NPKI Restricted Stock Units Common Stock (34,373) · · 34,373 Disposed
June 1, 2023 NPKI Restricted Stock Units Common Stock (108,652) · · 108,652 Disposed
May 18, 2023 NPKI Restricted Stock Units Common Stock (300,565) $0.00 · 300,565 Acquired
Sept. 1, 2022 NPKI Restricted Stock Units Common Stock (33,334) $0.00 · 33,334 Disposed
June 1, 2022 NPKI Restricted Stock Units Common Stock (37,090) · · 37,090 Disposed
June 1, 2022 NPKI Restricted Stock Units Common Stock (34,374) · · 34,374 Disposed
June 1, 2022 NPKI Restricted Stock Units Common Stock (16,737) · · 16,737 Disposed
June 1, 2022 NPKI Restricted Stock Units Common Stock (25,000) · · 25,000 Disposed
May 19, 2022 NPKI Restricted Stock Units Common Stock (325,954) $0.00 · 325,954 Acquired
May 19, 2022 NPKI Restricted Stock Units Common Stock (327,740) $0.00 · 327,740 Acquired
Sept. 1, 2021 NPKI Restricted Stock Units Common Stock (100,000) $0.00 · 100,000 Acquired
June 1, 2021 NPKI Restricted Stock Units Common Stock (9,382) · · 9,382 Disposed
June 1, 2021 NPKI Restricted Stock Units Common Stock (16,737) · · 16,737 Disposed
June 1, 2021 NPKI Restricted Stock Units Common Stock (34,374) · · 34,374 Disposed
May 20, 2021 NPKI Restricted Stock Units Common Stock (111,270) $0.00 · 111,270 Acquired
May 18, 2021 NPKI Restricted Stock Units Common Stock (6,410) · · 6,410 Disposed
June 1, 2020 NPKI Restricted Stock Units Common Stock (25,000) · · 25,000 Disposed
June 1, 2020 NPKI Restricted Stock Units Common Stock (16,737) · · 16,737 Disposed
June 1, 2020 NPKI Restricted Stock Units Common Stock (9,383) · · 9,383 Disposed
June 1, 2020 NPKI Restricted Stock Units Common Stock (11,217) · · 11,217 Disposed
May 21, 2020 NPKI Restricted Stock Units Common Stock (103,121) $0.00 · 103,121 Acquired
July 2, 2019 NPKI Performance Shares Common Stock (29,862) $0.00 · 29,862 Disposed
June 1, 2019 NPKI Restricted Stock Units Common Stock (7,945) · · 7,945 Disposed
June 1, 2019 NPKI Restricted Stock Units Common Stock (9,383) · · 9,383 Disposed
June 1, 2019 NPKI Restricted Stock Units Common Stock (11,218) · · 11,218 Disposed
May 23, 2019 NPKI Restricted Stock Units Common Stock (50,211) $0.00 · 50,211 Acquired
May 18, 2019 NPKI Restricted Stock Units Common Stock (6,410) · · 6,410 Disposed
June 1, 2018 NPKI Restricted Stock Units Common Stock (7,945) · · 7,945 Disposed
June 1, 2018 NPKI Restricted Stock Units Common Stock (11,218) · · 11,218 Disposed
May 16, 2018 NPKI Restricted Stock Units Common Stock (50,000) $0.00 · 50,000 Acquired
May 16, 2018 NPKI Restricted Stock Units Common Stock (28,148) $0.00 · 28,148 Acquired
Aug. 1, 2017 NPKI Non-Qualified Stock Option (right to buy) Common Stock (34,948) $4.32 May 19, 2026 34,948 Disposed
June 1, 2017 NPKI Restricted Stock Units Common Stock (7,946) · · 7,946 Disposed
May 18, 2017 NPKI Restricted Stock Units Common Stock (33,653) $0.00 · 33,653 Acquired
May 18, 2017 NPKI Restricted Stock Units Common Stock (12,820) $0.00 · 12,820 Acquired
May 19, 2016 NPKI Restricted Stock Units Common Stock (23,836) $0.00 · 23,836 Acquired
May 19, 2016 NPKI Performance Shares Common Stock (29,862) $0.00 · 29,862 Acquired
May 19, 2016 NPKI Non-Qualified Stock Option (right to buy) Common Stock (104,844) $4.32 May 19, 2026 104,844 Acquired

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

Compensation (DEF 14A)

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Matched by name from proxy statements (DEF 14A) — verify against the filing.

NPKI

COO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2021 $400,578 $199,730 · · $549,073 · $19,356 $1,750,703

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.