Douglas L White
Insider
First SEC filing: June 17, 2025 · Latest: June 17, 2025
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 14, 2025 | NPKI | A | 730 | $6.51 | $4,752 | 305,245 Direct | +0.24% | Acquired | 81.4% (price as of 2026-10-05) |
| June 1, 2025 | NPKI | M | 14,667 | · | · | 14,666 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| June 1, 2025 | NPKI | M | 17,333 | · | · | 29,333 Direct | -37.14% | Disposed | (price as of 2026-10-05) |
| June 1, 2025 | NPKI | F | 5,771 | $8.09 | $46,687 | 304,515 Direct | -1.86% | Disposed | 46.0% (price as of 2026-10-05) |
| June 1, 2025 | NPKI | F | 6,820 | $8.09 | $55,174 | 310,286 Direct | -2.15% | Disposed | 46.0% (price as of 2026-10-05) |
| June 1, 2025 | NPKI | F | 3,122 | $8.09 | $25,257 | 317,106 Direct | -0.97% | Disposed | 46.0% (price as of 2026-10-05) |
| June 1, 2025 | NPKI | M | 14,667 | · | · | 320,228 Direct | +4.80% | Acquired | (price as of 2026-10-05) |
| June 1, 2025 | NPKI | M | 17,333 | · | · | 305,561 Direct | +6.01% | Acquired | (price as of 2026-10-05) |
| May 14, 2025 | NPKI | A | 29,900 | · | · | 288,228 Direct | +11.57% | Acquired | (price as of 2026-10-05) |
| Dec. 13, 2024 | NPKI | A | 722 | $6.58 | $4,751 | 258,328 Direct | +0.28% | Acquired | 79.5% (price as of 2026-10-05) |
| June 14, 2024 | NPKI | A | 841 | $5.98 | $5,029 | 257,606 Direct | +0.33% | Acquired | 97.5% (price as of 2026-10-05) |
| June 1, 2024 | NPKI | M | 14,667 | · | · | 46,666 Direct | -23.91% | Disposed | (price as of 2026-10-05) |
| June 1, 2024 | NPKI | M | 17,333 | · | · | 61,333 Direct | -22.03% | Disposed | (price as of 2026-10-05) |
| June 1, 2024 | NPKI | M | 18,666 | · | · | 78,666 Direct | -19.18% | Disposed | (price as of 2026-10-05) |
| June 1, 2024 | NPKI | F | 4,545 | $8.48 | $38,542 | 256,765 Direct | -1.74% | Disposed | 39.3% (price as of 2026-10-05) |
| June 1, 2024 | NPKI | F | 4,220 | $8.48 | $35,786 | 261,310 Direct | -1.59% | Disposed | 39.3% (price as of 2026-10-05) |
| June 1, 2024 | NPKI | F | 3,571 | $8.48 | $30,282 | 265,530 Direct | -1.33% | Disposed | 39.3% (price as of 2026-10-05) |
| June 1, 2024 | NPKI | M | 14,667 | · | · | 269,101 Direct | +5.76% | Acquired | (price as of 2026-10-05) |
| June 1, 2024 | NPKI | M | 17,333 | · | · | 254,434 Direct | +7.31% | Acquired | (price as of 2026-10-05) |
| June 1, 2024 | NPKI | M | 18,666 | · | · | 237,101 Direct | +8.55% | Acquired | (price as of 2026-10-05) |
| May 15, 2024 | NPKI | A | 23,800 | · | · | 218,435 Direct | +12.23% | Acquired | (price as of 2026-10-05) |
| Dec. 14, 2023 | NPKI | A | 1,203 | $3.82 | $4,595 | 194,635 Direct | +0.62% | Acquired | 209.2% (price as of 2026-10-05) |
| Nov. 20, 2023 | NPKI | M | 12,500 | · | · | 97,332 Direct | -11.38% | Disposed | (price as of 2026-10-05) |
| Nov. 20, 2023 | NPKI | F | 3,043 | $7.19 | $21,879 | 193,432 Direct | -1.55% | Disposed | 64.3% (price as of 2026-10-05) |
| Nov. 20, 2023 | NPKI | M | 12,500 | · | · | 196,475 Direct | +6.79% | Acquired | (price as of 2026-10-05) |
| June 14, 2023 | NPKI | A | 1,320 | $3.37 | $4,448 | 183,975 Direct | +0.72% | Acquired | 250.4% (price as of 2026-10-05) |
| June 2, 2023 | NPKI | M | 17,333 | · | · | 109,832 Direct | -13.63% | Disposed | (price as of 2026-10-05) |
| June 2, 2023 | NPKI | M | 17,333 | · | · | 182,655 Direct | +10.48% | Acquired | (price as of 2026-10-05) |
| June 1, 2023 | NPKI | M | 17,334 | · | · | 127,165 Direct | -12.00% | Disposed | (price as of 2026-10-05) |
| June 1, 2023 | NPKI | M | 18,667 | · | · | 144,499 Direct | -11.44% | Disposed | (price as of 2026-10-05) |
| June 1, 2023 | NPKI | F | 4,220 | $3.67 | $15,487 | 165,322 Direct | -2.49% | Disposed | 221.8% (price as of 2026-10-05) |
| June 1, 2023 | NPKI | F | 4,220 | $3.67 | $15,487 | 169,542 Direct | -2.43% | Disposed | 221.8% (price as of 2026-10-05) |
| June 1, 2023 | NPKI | M | 17,334 | · | · | 173,762 Direct | +11.08% | Acquired | (price as of 2026-10-05) |
| June 1, 2023 | NPKI | F | 4,545 | $3.67 | $16,680 | 156,428 Direct | -2.82% | Disposed | 221.8% (price as of 2026-10-05) |
| June 1, 2023 | NPKI | M | 18,667 | · | · | 160,973 Direct | +13.12% | Acquired | (price as of 2026-10-05) |
| May 18, 2023 | NPKI | A | 44,000 | · | · | 163,166 Direct | +36.92% | Acquired | (price as of 2026-10-05) |
| Dec. 14, 2022 | NPKI | A | 1,367 | $3.21 | $4,388 | 142,306 Direct | +0.97% | Acquired | 267.9% (price as of 2026-10-05) |
| June 14, 2022 | NPKI | A | 1,785 | $2.40 | $4,284 | 140,939 Direct | +1.28% | Acquired | 392.1% (price as of 2026-10-05) |
| June 1, 2022 | NPKI | M | 18,667 | · | · | 119,166 Direct | -13.54% | Disposed | (price as of 2026-10-05) |
| June 1, 2022 | NPKI | M | 5,588 | · | · | 137,833 Direct | -3.90% | Disposed | (price as of 2026-10-05) |
| June 1, 2022 | NPKI | M | 17,333 | · | · | 143,421 Direct | -10.78% | Disposed | (price as of 2026-10-05) |
| June 1, 2022 | NPKI | F | 4,545 | $4.48 | $20,362 | 139,154 Direct | -3.16% | Disposed | 163.6% (price as of 2026-10-05) |
| June 1, 2022 | NPKI | M | 18,667 | · | · | 143,699 Direct | +14.93% | Acquired | (price as of 2026-10-05) |
| June 1, 2022 | NPKI | F | 1,360 | $4.48 | $6,093 | 125,032 Direct | -1.08% | Disposed | 163.6% (price as of 2026-10-05) |
| June 1, 2022 | NPKI | M | 5,588 | · | · | 126,392 Direct | +4.63% | Acquired | (price as of 2026-10-05) |
| June 1, 2022 | NPKI | F | 4,220 | $4.48 | $18,906 | 120,804 Direct | -3.38% | Disposed | 163.6% (price as of 2026-10-05) |
| June 1, 2022 | NPKI | M | 17,333 | · | · | 125,024 Direct | +16.10% | Acquired | (price as of 2026-10-05) |
| May 19, 2022 | NPKI | A | 52,000 | · | · | 160,754 Direct | +47.81% | Acquired | (price as of 2026-10-05) |
| Dec. 14, 2021 | NPKI | A | 1,248 | $1.97 | $2,459 | 107,691 Direct | +1.17% | Acquired | 499.5% (price as of 2026-10-05) |
| Nov. 20, 2021 | NPKI | M | 12,500 | · | · | 108,754 Direct | -10.31% | Disposed | (price as of 2026-10-05) |
| Nov. 20, 2021 | NPKI | F | 3,043 | $2.72 | $8,277 | 106,443 Direct | -2.78% | Disposed | 334.2% (price as of 2026-10-05) |
| Nov. 20, 2021 | NPKI | M | 12,500 | · | · | 109,486 Direct | +12.89% | Acquired | (price as of 2026-10-05) |
| Aug. 14, 2021 | NPKI | A | 2,000 | $1.97 | $3,940 | 96,986 Direct | +2.11% | Acquired | 499.5% (price as of 2026-10-05) |
| June 1, 2021 | NPKI | M | 4,716 | · | · | 65,254 Direct | -6.74% | Disposed | (price as of 2026-10-05) |
| June 1, 2021 | NPKI | M | 5,589 | · | · | 69,970 Direct | -7.40% | Disposed | (price as of 2026-10-05) |
| June 1, 2021 | NPKI | M | 17,334 | · | · | 75,559 Direct | -18.66% | Disposed | (price as of 2026-10-05) |
| June 1, 2021 | NPKI | M | 4,716 | · | · | 94,986 Direct | +5.22% | Acquired | (price as of 2026-10-05) |
| June 1, 2021 | NPKI | M | 5,589 | · | · | 90,270 Direct | +6.60% | Acquired | (price as of 2026-10-05) |
| June 1, 2021 | NPKI | M | 17,334 | · | · | 84,681 Direct | +25.74% | Acquired | (price as of 2026-10-05) |
| May 20, 2021 | NPKI | A | 56,000 | · | · | 148,893 Direct | +60.28% | Acquired | (price as of 2026-10-05) |
| Feb. 14, 2021 | NPKI | A | 2,000 | $1.78 | $3,560 | 67,347 Direct | +3.06% | Acquired | 563.5% (price as of 2026-10-05) |
| Aug. 14, 2020 | NPKI | A | 2,000 | $1.78 | $3,560 | 65,347 Direct | +3.16% | Acquired | 563.5% (price as of 2026-10-05) |
| June 1, 2020 | NPKI | M | 5,589 | · | · | 92,893 Direct | -5.68% | Disposed | (price as of 2026-10-05) |
| June 1, 2020 | NPKI | M | 4,717 | · | · | 98,482 Direct | -4.57% | Disposed | (price as of 2026-10-05) |
| June 1, 2020 | NPKI | M | 3,461 | · | · | 103,199 Direct | -3.24% | Disposed | (price as of 2026-10-05) |
| June 1, 2020 | NPKI | M | 5,589 | · | · | 63,347 Direct | +9.68% | Acquired | (price as of 2026-10-05) |
| June 1, 2020 | NPKI | M | 4,717 | · | · | 57,758 Direct | +8.89% | Acquired | (price as of 2026-10-05) |
| June 1, 2020 | NPKI | M | 3,461 | · | · | 53,041 Direct | +6.98% | Acquired | (price as of 2026-10-05) |
| May 21, 2020 | NPKI | A | 52,000 | · | · | 106,660 Direct | +95.13% | Acquired | (price as of 2026-10-05) |
| Feb. 14, 2020 | NPKI | A | 2,000 | $3.60 | $7,200 | 49,580 Direct | +4.20% | Acquired | 228.1% (price as of 2026-10-05) |
| Nov. 27, 2019 | NPKI | S | 6,145 | $6.07 | $37,300 | 47,580 Direct | -11.44% | Disposed | 94.6% (price as of 2026-10-05) |
| Nov. 20, 2019 | NPKI | A | 25,000 | · | · | 54,660 Direct | +84.29% | Acquired | (price as of 2026-10-05) |
| Aug. 14, 2019 | NPKI | A | 1,101 | $5.70 | $6,276 | 53,725 Direct | +2.09% | Acquired | 107.2% (price as of 2026-10-05) |
| June 1, 2019 | NPKI | M | 3,461 | · | · | 29,660 Direct | -10.45% | Disposed | (price as of 2026-10-05) |
| June 1, 2019 | NPKI | M | 4,717 | · | · | 33,121 Direct | -12.47% | Disposed | (price as of 2026-10-05) |
| June 1, 2019 | NPKI | M | 8,122 | · | · | 37,838 Direct | -17.67% | Disposed | (price as of 2026-10-05) |
| June 1, 2019 | NPKI | F | 842 | $6.99 | $5,886 | 52,624 Direct | -1.57% | Disposed | 69.0% (price as of 2026-10-05) |
| June 1, 2019 | NPKI | M | 3,461 | · | · | 53,466 Direct | +6.92% | Acquired | (price as of 2026-10-05) |
| June 1, 2019 | NPKI | F | 1,148 | $6.99 | $8,025 | 50,005 Direct | -2.24% | Disposed | 69.0% (price as of 2026-10-05) |
| June 1, 2019 | NPKI | M | 4,717 | · | · | 51,153 Direct | +10.16% | Acquired | (price as of 2026-10-05) |
| June 1, 2019 | NPKI | F | 1,977 | $6.99 | $13,819 | 46,436 Direct | -4.08% | Disposed | 69.0% (price as of 2026-10-05) |
| June 1, 2019 | NPKI | M | 8,122 | · | · | 48,413 Direct | +20.16% | Acquired | (price as of 2026-10-05) |
| May 23, 2019 | NPKI | A | 16,766 | · | · | 45,960 Direct | +57.43% | Acquired | (price as of 2026-10-05) |
| Feb. 14, 2019 | NPKI | A | 770 | $7.96 | $6,129 | 40,291 Direct | +1.95% | Acquired | 48.4% (price as of 2026-10-05) |
| Feb. 14, 2019 | NPKI | A | 739 | $7.96 | $5,882 | 40,260 Direct | +1.87% | Acquired | 48.4% (price as of 2026-10-05) |
| Aug. 14, 2018 | NPKI | A | 858 | $7.14 | $6,126 | 39,521 Direct | +2.22% | Acquired | 65.4% (price as of 2026-10-05) |
| June 1, 2018 | NPKI | M | 8,122 | · | · | 29,194 Direct | -21.77% | Disposed | (price as of 2026-10-05) |
| June 1, 2018 | NPKI | M | 3,462 | · | · | 37,316 Direct | -8.49% | Disposed | (price as of 2026-10-05) |
| June 1, 2018 | NPKI | M | 4,428 | · | · | 40,778 Direct | -9.80% | Disposed | (price as of 2026-10-05) |
| June 1, 2018 | NPKI | F | 1,977 | $10.85 | $21,450 | 38,663 Direct | -4.86% | Disposed | 8.8% (price as of 2026-10-05) |
| June 1, 2018 | NPKI | M | 8,122 | · | · | 40,640 Direct | +24.98% | Acquired | (price as of 2026-10-05) |
| June 1, 2018 | NPKI | F | 842 | $10.85 | $9,136 | 32,518 Direct | -2.52% | Disposed | 8.8% (price as of 2026-10-05) |
| June 1, 2018 | NPKI | M | 3,462 | · | · | 33,360 Direct | +11.58% | Acquired | (price as of 2026-10-05) |
| June 1, 2018 | NPKI | F | 1,078 | $10.85 | $11,696 | 29,898 Direct | -3.48% | Disposed | 8.8% (price as of 2026-10-05) |
| June 1, 2018 | NPKI | M | 4,428 | · | · | 30,976 Direct | +16.68% | Acquired | (price as of 2026-10-05) |
| May 16, 2018 | NPKI | A | 14,150 | · | · | 45,206 Direct | +45.56% | Acquired | (price as of 2026-10-05) |
| Feb. 14, 2018 | NPKI | A | 930 | $6.59 | $6,129 | 26,548 Direct | +3.63% | Acquired | 79.2% (price as of 2026-10-05) |
| Aug. 14, 2017 | NPKI | A | 175 | $6.25 | $1,094 | 25,618 Direct | +0.69% | Acquired | 89.0% (price as of 2026-10-05) |
| June 30, 2017 | NPKI | A | 847 | $6.25 | $5,294 | 25,443 Direct | +3.44% | Acquired | 89.0% (price as of 2026-10-05) |
| June 1, 2017 | NPKI | M | 8,123 | · | · | 31,056 Direct | -20.73% | Disposed | (price as of 2026-10-05) |
Showing latest 100 of 120 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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 1, 2025 | NPKI | Restricted Stock Units | Common Stock | · | · | 14,667 | Disposed |
| June 1, 2025 | NPKI | Restricted Stock Units | Common Stock | · | · | 17,333 | Disposed |
| June 1, 2024 | NPKI | Restricted Stock Units | Common Stock | · | · | 14,667 | Disposed |
| June 1, 2024 | NPKI | Restricted Stock Units | Common Stock | · | · | 17,333 | Disposed |
| June 1, 2024 | NPKI | Restricted Stock Units | Common Stock | · | · | 18,666 | Disposed |
| Nov. 20, 2023 | NPKI | Restricted Stock Units | Common Stock | · | · | 12,500 | Disposed |
| June 2, 2023 | NPKI | Restricted Stock Units | Common Stock | · | · | 17,333 | Disposed |
| June 1, 2023 | NPKI | Restricted Stock Units | Common Stock | · | · | 17,334 | Disposed |
| June 1, 2023 | NPKI | Restricted Stock Units | Common Stock | · | · | 18,667 | Disposed |
| May 18, 2023 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 44,000 | Acquired |
| June 1, 2022 | NPKI | Restricted Stock Units | Common Stock | · | · | 18,667 | Disposed |
| June 1, 2022 | NPKI | Restricted Stock Units | Common Stock | · | · | 5,588 | Disposed |
| June 1, 2022 | NPKI | Restricted Stock Units | Common Stock | · | · | 17,333 | Disposed |
| May 19, 2022 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 52,000 | Acquired |
| Nov. 20, 2021 | NPKI | Restricted Stock Units | Common Stock | · | · | 12,500 | Disposed |
| June 1, 2021 | NPKI | Restricted Stock Units | Common Stock | · | · | 4,716 | Disposed |
| June 1, 2021 | NPKI | Restricted Stock Units | Common Stock | · | · | 5,589 | Disposed |
| June 1, 2021 | NPKI | Restricted Stock Units | Common Stock | · | · | 17,334 | Disposed |
| May 20, 2021 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 56,000 | Acquired |
| June 1, 2020 | NPKI | Restricted Stock Units | Common Stock | · | · | 5,589 | Disposed |
| June 1, 2020 | NPKI | Restricted Stock Units | Common Stock | · | · | 4,717 | Disposed |
| June 1, 2020 | NPKI | Restricted Stock Units | Common Stock | · | · | 3,461 | Disposed |
| May 21, 2020 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 52,000 | Acquired |
| Nov. 20, 2019 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 25,000 | Acquired |
| June 1, 2019 | NPKI | Restricted Stock Units | Common Stock | · | · | 3,461 | Disposed |
| June 1, 2019 | NPKI | Restricted Stock Units | Common Stock | · | · | 4,717 | Disposed |
| June 1, 2019 | NPKI | Restricted Stock Units | Common Stock | · | · | 8,122 | Disposed |
| May 23, 2019 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 16,766 | Acquired |
| June 1, 2018 | NPKI | Restricted Stock Units | Common Stock | · | · | 8,122 | Disposed |
| June 1, 2018 | NPKI | Restricted Stock Units | Common Stock | · | · | 3,462 | Disposed |
| June 1, 2018 | NPKI | Restricted Stock Units | Common Stock | · | · | 4,428 | Disposed |
| May 16, 2018 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 14,150 | Acquired |
| June 1, 2017 | NPKI | Restricted Stock Units | Common Stock | · | · | 8,123 | Disposed |
| June 1, 2017 | NPKI | Restricted Stock Units | Common Stock | · | · | 4,428 | Disposed |
| May 18, 2017 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 10,384 | Acquired |
| June 1, 2016 | NPKI | Restricted Stock Units | Common Stock | · | · | 4,428 | Disposed |
| May 19, 2016 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 24,367 | Acquired |
| May 19, 2016 | NPKI | Non-Qualified Stock Option (right to buy) | Common Stock | $4.32 | May 19, 2026 | 17,862 | Acquired |
| May 22, 2015 | NPKI | Restricted Stock Units | Common Stock | $0.00 | · | 13,284 | Acquired |
| May 22, 2015 | NPKI | Non-Qualified Stock Option (right to buy) | Common Stock | $9.00 | May 21, 2025 | 10,181 | 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.