Lori Briggs
Insider
First SEC filing: Sept. 1, 2021 · Latest: June 9, 2026
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-275,097
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 8, 2026 | NPKI | S 10b5-1 | 8,325 | $14.75 | $122,794 | 247,165 Direct | -3.26% | Disposed | -20.1% (price as of 2026-10-02) |
| June 2, 2026 | NPKI | S 10b5-1 | 10,446 | $14.58 | $152,303 | 255,490 Direct | -3.93% | Disposed | -19.1% (price as of 2026-10-02) |
| June 1, 2026 | NPKI | F | 5,401 | $14.31 | $77,288 | 257,950 Direct | -2.05% | Disposed | -17.6% (price as of 2026-10-02) |
| June 1, 2026 | NPKI | F | 9,577 | $14.31 | $137,047 | 248,373 Direct | -3.71% | Disposed | -17.6% (price as of 2026-10-02) |
| June 1, 2026 | NPKI | F | 6,777 | $14.31 | $96,979 | 241,596 Direct | -2.73% | Disposed | -17.6% (price as of 2026-10-02) |
| June 1, 2026 | NPKI | M | 24,340 | · | · | 265,936 Direct | +10.07% | Acquired | (price as of 2026-10-02) |
| June 1, 2026 | NPKI | M | 24,340 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 19, 2026 | NPKI | A | 20,838 | · | · | 263,351 Direct | +8.59% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2025 | NPKI | S 10b5-1 | 10,108 | $11.51 | $116,343 | 242,513 Direct | -4.00% | Disposed | 2.4% (price as of 2026-10-02) |
| Aug. 11, 2025 | NPKI | S 10b5-1 | 8,005 | $9.51 | $76,128 | 252,621 Direct | -3.07% | Disposed | 24.0% (price as of 2026-10-02) |
| July 9, 2025 | NPKI | S 10b5-1 | 8,005 | $8.57 | $68,603 | 260,626 Direct | -2.98% | Disposed | 37.6% (price as of 2026-10-02) |
| June 6, 2025 | NPKI | S 10b5-1 | 9,704 | $8.38 | $81,320 | 268,631 Direct | -3.49% | Disposed | 40.7% (price as of 2026-10-02) |
| June 1, 2025 | NPKI | M | 24,340 | · | · | 24,340 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| June 1, 2025 | NPKI | M | 26,396 | · | · | 48,680 Direct | -35.16% | Disposed | (price as of 2026-10-02) |
| June 1, 2025 | NPKI | F | 10,386 | $8.09 | $84,023 | 278,335 Direct | -3.60% | Disposed | 45.7% (price as of 2026-10-02) |
| June 1, 2025 | NPKI | F | 9,577 | $8.09 | $77,478 | 288,721 Direct | -3.21% | Disposed | 45.7% (price as of 2026-10-02) |
| June 1, 2025 | NPKI | F | 5,401 | $8.09 | $43,694 | 298,298 Direct | -1.78% | Disposed | 45.7% (price as of 2026-10-02) |
| June 1, 2025 | NPKI | M | 24,340 | · | · | 303,699 Direct | +8.71% | Acquired | (price as of 2026-10-02) |
| June 1, 2025 | NPKI | M | 26,396 | · | · | 279,359 Direct | +10.43% | Acquired | (price as of 2026-10-02) |
| May 14, 2025 | NPKI | A | 51,667 | · | · | 252,963 Direct | +25.67% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2024 | NPKI | M | 16,666 | · | · | 75,076 Direct | -18.17% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2024 | NPKI | F | 6,558 | $8.23 | $53,972 | 201,296 Direct | -3.16% | Disposed | 43.3% (price as of 2026-10-02) |
| Sept. 1, 2024 | NPKI | M | 16,666 | · | · | 207,854 Direct | +8.72% | Acquired | (price as of 2026-10-02) |
| June 14, 2024 | NPKI | A | 1,378 | $5.98 | $8,240 | 191,188 Direct | +0.73% | Acquired | 97.2% (price as of 2026-10-02) |
| June 1, 2024 | NPKI | M | 24,341 | · | · | 91,742 Direct | -20.97% | Disposed | (price as of 2026-10-02) |
| June 1, 2024 | NPKI | M | 26,396 | · | · | 116,083 Direct | -18.53% | Disposed | (price as of 2026-10-02) |
| June 1, 2024 | NPKI | M | 16,000 | · | · | 142,479 Direct | -10.10% | Disposed | (price as of 2026-10-02) |
| June 1, 2024 | NPKI | F | 10,386 | $8.48 | $88,073 | 189,810 Direct | -5.19% | Disposed | 39.0% (price as of 2026-10-02) |
| June 1, 2024 | NPKI | F | 6,296 | $8.48 | $53,390 | 200,196 Direct | -3.05% | Disposed | 39.0% (price as of 2026-10-02) |
| June 1, 2024 | NPKI | F | 9,578 | $8.48 | $81,221 | 206,492 Direct | -4.43% | Disposed | 39.0% (price as of 2026-10-02) |
| June 1, 2024 | NPKI | M | 24,341 | · | · | 216,070 Direct | +12.70% | Acquired | (price as of 2026-10-02) |
| June 1, 2024 | NPKI | M | 26,396 | · | · | 191,729 Direct | +15.97% | Acquired | (price as of 2026-10-02) |
| June 1, 2024 | NPKI | M | 16,000 | · | · | 165,333 Direct | +10.71% | Acquired | (price as of 2026-10-02) |
| May 15, 2024 | NPKI | A | 41,178 | · | · | 149,333 Direct | +38.07% | Acquired | (price as of 2026-10-02) |
| Dec. 14, 2023 | NPKI | A | 1,965 | $3.82 | $7,506 | 113,261 Direct | +1.77% | Acquired | 208.6% (price as of 2026-10-02) |
| Sept. 1, 2023 | NPKI | M | 16,667 | · | · | 158,479 Direct | -9.52% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2023 | NPKI | F | 6,558 | $6.13 | $40,201 | 111,296 Direct | -5.56% | Disposed | 92.3% (price as of 2026-10-02) |
| Sept. 1, 2023 | NPKI | M | 16,667 | · | · | 117,854 Direct | +16.47% | Acquired | (price as of 2026-10-02) |
| June 14, 2023 | NPKI | A | 2,000 | $3.37 | $6,740 | 101,187 Direct | +2.02% | Acquired | 249.9% (price as of 2026-10-02) |
| June 1, 2023 | NPKI | M | 11,000 | · | · | 175,146 Direct | -5.91% | Disposed | (price as of 2026-10-02) |
| June 1, 2023 | NPKI | M | 3,000 | · | · | 186,146 Direct | -1.59% | Disposed | (price as of 2026-10-02) |
| June 1, 2023 | NPKI | M | 26,397 | · | · | 189,146 Direct | -12.25% | Disposed | (price as of 2026-10-02) |
| June 1, 2023 | NPKI | M | 16,000 | · | · | 215,543 Direct | -6.91% | Disposed | (price as of 2026-10-02) |
| June 1, 2023 | NPKI | F | 4,328 | $3.67 | $15,884 | 99,187 Direct | -4.18% | Disposed | 221.3% (price as of 2026-10-02) |
| June 1, 2023 | NPKI | M | 11,000 | · | · | 103,515 Direct | +11.89% | Acquired | (price as of 2026-10-02) |
| June 1, 2023 | NPKI | F | 1,180 | $3.67 | $4,331 | 92,515 Direct | -1.26% | Disposed | 221.3% (price as of 2026-10-02) |
| June 1, 2023 | NPKI | M | 3,000 | · | · | 93,695 Direct | +3.31% | Acquired | (price as of 2026-10-02) |
| June 1, 2023 | NPKI | F | 10,387 | $3.67 | $38,120 | 90,695 Direct | -10.28% | Disposed | 221.3% (price as of 2026-10-02) |
| June 1, 2023 | NPKI | M | 26,397 | · | · | 101,082 Direct | +35.34% | Acquired | (price as of 2026-10-02) |
| June 1, 2023 | NPKI | F | 6,296 | $3.67 | $23,106 | 74,685 Direct | -7.77% | Disposed | 221.3% (price as of 2026-10-02) |
| June 1, 2023 | NPKI | M | 16,000 | · | · | 80,981 Direct | +24.62% | Acquired | (price as of 2026-10-02) |
| May 18, 2023 | NPKI | A | 73,021 | · | · | 231,543 Direct | +46.06% | Acquired | (price as of 2026-10-02) |
| Dec. 14, 2022 | NPKI | A | 2,000 | $3.21 | $6,420 | 64,981 Direct | +3.18% | Acquired | 267.3% (price as of 2026-10-02) |
| Sept. 1, 2022 | NPKI | M | 16,667 | · | · | 158,522 Direct | -9.51% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2022 | NPKI | F | 6,558 | $2.75 | $18,034 | 62,981 Direct | -9.43% | Disposed | 328.7% (price as of 2026-10-02) |
| Sept. 1, 2022 | NPKI | M | 16,667 | · | · | 69,539 Direct | +31.52% | Acquired | (price as of 2026-10-02) |
| June 14, 2022 | NPKI | A | 2,000 | $2.40 | $4,800 | 52,872 Direct | +3.93% | Acquired | 391.2% (price as of 2026-10-02) |
| June 1, 2022 | NPKI | M | 16,000 | · | · | 175,189 Direct | -8.37% | Disposed | (price as of 2026-10-02) |
| June 1, 2022 | NPKI | M | 11,000 | $4.48 | $49,280 | 191,189 Direct | -5.44% | Disposed | 163.2% (price as of 2026-10-02) |
| June 1, 2022 | NPKI | M | 2,195 | · | · | 202,189 Direct | -1.07% | Disposed | (price as of 2026-10-02) |
| June 1, 2022 | NPKI | F | 6,296 | $4.48 | $28,206 | 50,872 Direct | -11.01% | Disposed | 163.2% (price as of 2026-10-02) |
| June 1, 2022 | NPKI | M | 16,000 | · | · | 57,168 Direct | +38.87% | Acquired | (price as of 2026-10-02) |
| June 1, 2022 | NPKI | F | 4,328 | $4.48 | $19,389 | 41,168 Direct | -9.51% | Disposed | 163.2% (price as of 2026-10-02) |
| June 1, 2022 | NPKI | M | 11,000 | · | · | 45,496 Direct | +31.89% | Acquired | (price as of 2026-10-02) |
| June 1, 2022 | NPKI | F | 863 | $4.48 | $3,866 | 34,496 Direct | -2.44% | Disposed | 163.2% (price as of 2026-10-02) |
| June 1, 2022 | NPKI | M | 2,195 | · | · | 35,359 Direct | +6.62% | Acquired | (price as of 2026-10-02) |
| May 19, 2022 | NPKI | A | 79,189 | · | · | 204,384 Direct | +63.25% | Acquired | (price as of 2026-10-02) |
| May 19, 2022 | NPKI | A | 79,623 | · | · | 204,818 Direct | +63.60% | Acquired | (price as of 2026-10-02) |
| Dec. 14, 2021 | NPKI | A | 2,000 | $1.97 | $3,940 | 33,164 Direct | +6.42% | Acquired | 498.5% (price as of 2026-10-02) |
| Sept. 1, 2021 | NPKI | A | 50,000 | · | · | 125,195 Direct | +66.49% | Acquired | (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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 1, 2026 | NPKI | Restricted Stock Units | Common Stock | · | · | 24,340 | Disposed |
| June 1, 2025 | NPKI | Restricted Stock Units | Common Stock | · | · | 24,340 | Disposed |
| June 1, 2025 | NPKI | Restricted Stock Units | Common Stock | · | · | 26,396 | Disposed |
| Sept. 1, 2024 | NPKI | Restricted Stock Units | Common Stock | · | · | 16,666 | Disposed |
| June 1, 2024 | NPKI | Restricted Stock Units | Common Stock | · | · | 24,341 | Disposed |
| June 1, 2024 | NPKI | Restricted Stock Units | Common Stock | · | · | 26,396 | Disposed |
| June 1, 2024 | NPKI | Restricted Stock Units | Common Stock | · | · | 16,000 | Disposed |
| Sept. 1, 2023 | NPKI | Restricted Stock Units | Common Stock | · | · | 16,667 | Disposed |
| June 1, 2023 | NPKI | Restricted Stock Units | Common Stock | · | · | 11,000 | Disposed |
| June 1, 2023 | NPKI | Restricted Stock Units | Common Stock | · | · | 3,000 | Disposed |
| June 1, 2023 | NPKI | Restricted Stock Units | Common Stock | · | · | 26,397 | Disposed |
| June 1, 2023 | NPKI | Restricted Stock Units | Common Stock | · | · | 16,000 | Disposed |
| May 18, 2023 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 73,021 | Acquired |
| Sept. 1, 2022 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 16,667 | Disposed |
| June 1, 2022 | NPKI | Restricted Stock Units | Common Stock | · | · | 16,000 | Disposed |
| June 1, 2022 | NPKI | Restricted Stock Units | Common Stock | · | · | 11,000 | Disposed |
| June 1, 2022 | NPKI | Restricted Stock Units | Common Stock | · | · | 2,195 | Disposed |
| May 19, 2022 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 79,189 | Acquired |
| May 19, 2022 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 79,623 | Acquired |
| Sept. 1, 2021 | NPKI | Restricted Stock Units | Common Stock | $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.