David A Paterson

CIK 1782576 · View on SEC EDGAR ↗

Insider

First SEC filing: June 4, 2024 · Latest: June 4, 2024

On this page

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 38 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

No open-market trades on record; showing all filings.

Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 1, 2024 NPKI M 28,235 74,915 Direct -27.37% Disposed (price as of 2026-08-20)
June 1, 2024 NPKI M 30,620 103,150 Direct -22.89% Disposed (price as of 2026-08-20)
June 1, 2024 NPKI M 35,788 133,770 Direct -21.11% Disposed (price as of 2026-08-20)
June 1, 2024 NPKI F 8,008 $8.48 $67,908 386,245 Direct -2.03% Disposed 63.6% (price as of 2026-08-20)
June 1, 2024 NPKI F 8,714 $8.48 $73,895 394,253 Direct -2.16% Disposed 63.6% (price as of 2026-08-20)
June 1, 2024 NPKI F 7,455 $8.48 $63,218 402,967 Direct -1.82% Disposed 63.6% (price as of 2026-08-20)
June 1, 2024 NPKI M 28,235 410,422 Direct +7.39% Acquired (price as of 2026-08-20)
June 1, 2024 NPKI M 30,620 382,187 Direct +8.71% Acquired (price as of 2026-08-20)
June 1, 2024 NPKI M 35,788 351,567 Direct +11.33% Acquired (price as of 2026-08-20)
May 15, 2024 NPKI A 47,767 315,779 Direct +17.82% Acquired (price as of 2026-08-20)
July 15, 2023 NPKI F 17,425 $5.26 $91,656 268,012 Direct -6.10% Disposed 163.7% (price as of 2026-08-20)
June 2, 2023 NPKI M 33,166 169,558 Direct -16.36% Disposed (price as of 2026-08-20)
June 2, 2023 NPKI M 33,166 285,437 Direct +13.15% Acquired (price as of 2026-08-20)
June 1, 2023 NPKI M 35,788 202,724 Direct -15.00% Disposed (price as of 2026-08-20)
June 1, 2023 NPKI M 30,620 238,512 Direct -11.38% Disposed (price as of 2026-08-20)
June 1, 2023 NPKI F 8,714 $3.67 $31,980 252,271 Direct -3.34% Disposed 277.9% (price as of 2026-08-20)
June 1, 2023 NPKI M 35,788 260,985 Direct +15.89% Acquired (price as of 2026-08-20)
June 1, 2023 NPKI F 8,075 $3.67 $29,635 225,197 Direct -3.46% Disposed 277.9% (price as of 2026-08-20)
June 1, 2023 NPKI F 7,455 $3.67 $27,360 233,272 Direct -3.10% Disposed 277.9% (price as of 2026-08-20)
June 1, 2023 NPKI M 30,620 240,727 Direct +14.57% Acquired (price as of 2026-08-20)
May 18, 2023 NPKI A 84,705 269,132 Direct +45.93% Acquired (price as of 2026-08-20)
June 1, 2022 NPKI M 35,789 184,427 Direct -16.25% Disposed (price as of 2026-08-20)
June 1, 2022 NPKI M 33,167 220,216 Direct -13.09% Disposed (price as of 2026-08-20)
June 1, 2022 NPKI F 8,714 $4.48 $39,039 210,107 Direct -3.98% Disposed 209.6% (price as of 2026-08-20)
June 1, 2022 NPKI M 35,789 218,821 Direct +19.55% Acquired (price as of 2026-08-20)
June 1, 2022 NPKI F 8,076 $4.48 $36,180 183,032 Direct -4.23% Disposed 209.6% (price as of 2026-08-20)
June 1, 2022 NPKI M 33,167 191,108 Direct +21.00% Acquired (price as of 2026-08-20)
May 19, 2022 NPKI A 91,860 253,383 Direct +56.87% Acquired (price as of 2026-08-20)
May 19, 2022 NPKI A 92,363 253,886 Direct +57.18% Acquired (price as of 2026-08-20)
July 15, 2021 NPKI M 12,175 161,523 Direct -7.01% Disposed (price as of 2026-08-20)
July 15, 2021 NPKI F 12,175 $2.93 $35,673 157,941 Direct -7.16% Disposed 373.4% (price as of 2026-08-20)
July 15, 2021 NPKI M 50,000 170,116 Direct +41.63% Acquired (price as of 2026-08-20)
June 1, 2021 NPKI M 33,167 66,333 Direct -33.33% Disposed (price as of 2026-08-20)
June 1, 2021 NPKI F 13,051 $3.51 $45,809 120,116 Direct -9.80% Disposed 295.2% (price as of 2026-08-20)
June 1, 2021 NPKI M 33,167 133,167 Direct +33.17% Acquired (price as of 2026-08-20)
May 20, 2021 NPKI A 107,365 206,865 Direct +107.90% Acquired (price as of 2026-08-20)
May 21, 2020 NPKI A 99,500 99,500 Direct Acquired (price as of 2026-08-20)
July 15, 2019 NPKI A 100,000 100,000 Direct Acquired (price as of 2026-08-20)

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.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
June 1, 2024 NPKI Restricted Stock Units Common Stock (28,235) 28,235 Disposed
June 1, 2024 NPKI Restricted Stock Units Common Stock (30,620) 30,620 Disposed
June 1, 2024 NPKI Restricted Stock Units Common Stock (35,788) 35,788 Disposed
June 2, 2023 NPKI Restricted Stock Units Common Stock (33,166) 33,166 Disposed
June 1, 2023 NPKI Restricted Stock Units Common Stock (35,788) 35,788 Disposed
June 1, 2023 NPKI Restricted Stock Units Common Stock (30,620) 30,620 Disposed
May 18, 2023 NPKI Restricted Stock Units Common Stock (84,705) $0.00 84,705 Acquired
June 1, 2022 NPKI Restricted Stock Units Common Stock (35,789) 35,789 Disposed
June 1, 2022 NPKI Restricted Stock Units Common Stock (33,167) 33,167 Disposed
May 19, 2022 NPKI Restricted Stock Units Common Stock (91,860) $0.00 91,860 Acquired
May 19, 2022 NPKI Restricted Stock Units Common Stock (92,363) $0.00 92,363 Acquired
July 15, 2021 NPKI Restricted Stock Units Common Stock (12,175) 12,175 Disposed
June 1, 2021 NPKI Restricted Stock Units Common Stock (33,167) 33,167 Disposed
May 20, 2021 NPKI Restricted Stock Units Common Stock (107,365) $0.00 107,365 Acquired
May 21, 2020 NPKI Restricted Stock Units Common Stock (99,500) $0.00 99,500 Acquired

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

Compensation (DEF 14A)

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

NPKI

President and President, Fluids Systems
Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2021 $402,378 $108,914 $15,222 $878,671
2020 $386,067 $109,716 $35,730 $736,483
2019 $205,175 $6,995 $104,446 $61,890 $1,057,506

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