Lori Briggs

CIK 1880836 · View on SEC EDGAR ↗

Insider

First SEC filing: Sept. 1, 2021 · Latest: June 9, 2026

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Insider transactions

0 buys (P) 2 sells (S) Net: $-275,068 + 60 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

60 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
June 8, 2026 NPKI S 8,325 $14.75 $122,790 247,165 -6.0% (price as of 2026-08-20)
June 1, 2026 NPKI S 10,446 $14.58 $152,278 255,490 -4.9% (price as of 2026-08-20)
Aug. 11, 2025 NPKI S 10b5-1 8,005 $9.51 $76,128 252,621 Direct -3.07% Disposed 45.8% (price as of 2026-08-20)
July 9, 2025 NPKI S 10b5-1 8,005 $8.57 $68,603 260,626 Direct -2.98% Disposed 61.8% (price as of 2026-08-20)
June 6, 2025 NPKI S 10b5-1 9,704 $8.38 $81,320 268,631 Direct -3.49% Disposed 65.5% (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, 2025 NPKI Restricted Stock Units Common Stock (24,340) 24,340 Disposed
June 1, 2025 NPKI Restricted Stock Units Common Stock (26,396) 26,396 Disposed
Sept. 1, 2024 NPKI Restricted Stock Units Common Stock (16,666) 16,666 Disposed
June 1, 2024 NPKI Restricted Stock Units Common Stock (24,341) 24,341 Disposed
June 1, 2024 NPKI Restricted Stock Units Common Stock (26,396) 26,396 Disposed
June 1, 2024 NPKI Restricted Stock Units Common Stock (16,000) 16,000 Disposed
Sept. 1, 2023 NPKI Restricted Stock Units Common Stock (16,667) 16,667 Disposed
June 1, 2023 NPKI Restricted Stock Units Common Stock (11,000) 11,000 Disposed
June 1, 2023 NPKI Restricted Stock Units Common Stock (3,000) 3,000 Disposed
June 1, 2023 NPKI Restricted Stock Units Common Stock (26,397) 26,397 Disposed
June 1, 2023 NPKI Restricted Stock Units Common Stock (16,000) 16,000 Disposed
May 18, 2023 NPKI Restricted Stock Units Common Stock (73,021) $0.00 73,021 Acquired
Sept. 1, 2022 NPKI Restricted Stock Units Common Stock (16,667) $0.00 16,667 Disposed
June 1, 2022 NPKI Restricted Stock Units Common Stock (16,000) 16,000 Disposed
June 1, 2022 NPKI Restricted Stock Units Common Stock (11,000) 11,000 Disposed
June 1, 2022 NPKI Restricted Stock Units Common Stock (2,195) 2,195 Disposed
May 19, 2022 NPKI Restricted Stock Units Common Stock (79,189) $0.00 79,189 Acquired
May 19, 2022 NPKI Restricted Stock Units Common Stock (79,623) $0.00 79,623 Acquired
Sept. 1, 2021 NPKI Restricted Stock Units Common Stock (50,000) $0.00 50,000 Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date Ticker Security Shares Ownership
Sept. 1, 2021 NPKI Common Stock 31,164 Direct
Sept. 1, 2021 NPKI Restricted Stock Units→ Common Stock (75,195) 75,195 Direct