SEC CIK 1672978
LANIGAN MATTHEW
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| NPKIview stock → | 254,699 | 2026-06-03 |
Position History — NPKI
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — NPKI
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-06-03 | Open-market sale | 167,375 | $14.43 | 254,699 |
| 2026-06-01 | Option exercise (derivative) | 100,188 | $0.00 | 0 |
| 2026-06-01 | Option exercise | 100,188 | $0.00 | 422,074 |
| 2026-06-01 | Tax withholding | 39,423 | $14.31 | 321,886 |
| 2026-06-01 | Tax withholding | 27,894 | $14.31 | 361,309 |
| 2026-06-01 | Tax withholding | 22,232 | $14.31 | 389,203 |
| 2026-05-19 | Grant / award | 85,771 | $0.00 | 411,435 |
| 2025-10-03 | Gift | 770,249 | $0.00 | 325,664 |
| 2025-09-03 | Option exercise (derivative) | 1,000 | $10.38 | 0 |
| 2025-09-03 | Open-market sale | 1,000 | $10.38 | 1,095,913 |
| 2025-09-03 | Option exercise | 1,000 | $4.32 | 1,096,913 |
| 2025-08-22 | Option exercise (derivative) | 68,896 | $10.34 | 1,000 |
| 2025-08-22 | Open-market sale | 68,896 | $10.34 | 1,095,913 |
| 2025-08-22 | Option exercise | 68,896 | $4.32 | 1,164,809 |
| 2025-06-01 | Option exercise (derivative) | 100,188 | $0.00 | 100,188 |
| 2025-06-01 | Option exercise (derivative) | 108,651 | $0.00 | 200,376 |
| 2025-06-01 | Option exercise | 108,651 | $0.00 | 1,100,134 |
| 2025-06-01 | Option exercise | 100,188 | $0.00 | 1,200,322 |
| 2025-06-01 | Tax withholding | 22,232 | $8.09 | 1,178,090 |
| 2025-06-01 | Tax withholding | 39,423 | $8.09 | 1,138,667 |
| 2025-06-01 | Tax withholding | 42,754 | $8.09 | 1,095,913 |
| 2025-05-14 | Grant / award | 212,667 | $0.00 | 991,483 |
| 2024-09-01 | Option exercise (derivative) | 33,333 | $0.00 | 309,027 |
| 2024-09-01 | Option exercise | 33,333 | $0.00 | 791,932 |
| 2024-09-01 | Tax withholding | 13,116 | $8.23 | 778,816 |
| 2024-06-01 | Option exercise (derivative) | 37,090 | $0.00 | 551,200 |
| 2024-06-01 | Option exercise (derivative) | 108,651 | $0.00 | 442,549 |
| 2024-06-01 | Option exercise (derivative) | 100,189 | $0.00 | 342,360 |
| 2024-06-01 | Option exercise | 37,090 | $0.00 | 646,531 |
| 2024-06-01 | Tax withholding | 42,754 | $8.48 | 773,193 |
| 2024-06-01 | Tax withholding | 39,424 | $8.48 | 815,947 |
| 2024-06-01 | Option exercise | 108,651 | $0.00 | 755,182 |
| 2024-06-01 | Tax withholding | 14,594 | $8.48 | 758,599 |
| 2024-06-01 | Option exercise | 100,189 | $0.00 | 855,371 |
| 2024-05-15 | Grant / award | 169,496 | $0.00 | 609,441 |
| 2023-09-01 | Option exercise (derivative) | 33,333 | $0.00 | 588,290 |
| 2023-09-01 | Tax withholding | 13,116 | $6.13 | 439,945 |
| 2023-09-01 | Option exercise | 33,333 | $0.00 | 453,061 |
| 2023-06-01 | Option exercise (derivative) | 37,090 | $0.00 | 621,623 |
| 2023-06-01 | Option exercise (derivative) | 34,373 | $0.00 | 658,713 |
| 2023-06-01 | Option exercise (derivative) | 108,652 | $0.00 | 693,086 |
| 2023-06-01 | Tax withholding | 13,525 | $3.67 | 397,232 |
| 2023-06-01 | Tax withholding | 14,594 | $3.67 | 419,728 |
| 2023-06-01 | Option exercise | 37,090 | $0.00 | 434,322 |
| 2023-06-01 | Option exercise | 34,373 | $0.00 | 410,757 |
| 2023-06-01 | Tax withholding | 42,754 | $3.67 | 376,384 |
| 2023-06-01 | Option exercise | 108,652 | $0.00 | 419,138 |
| 2023-05-18 | Grant / award (derivative) | 300,565 | $0.00 | 801,738 |
| 2022-09-01 | Option exercise (derivative) | 33,334 | $0.00 | 501,173 |
| 2022-09-01 | Option exercise | 33,334 | $0.00 | 310,486 |
| 2022-08-05 | Open-market buy | 19,000 | $2.55 | 277,152 |
| 2022-06-01 | Option exercise (derivative) | 25,000 | $0.00 | 622,708 |
| 2022-06-01 | Option exercise (derivative) | 37,090 | $0.00 | 534,507 |
| 2022-06-01 | Option exercise (derivative) | 34,374 | $0.00 | 571,597 |
| 2022-06-01 | Option exercise (derivative) | 16,737 | $0.00 | 605,971 |
| 2022-06-01 | Tax withholding | 14,594 | $4.48 | 258,152 |
| 2022-06-01 | Tax withholding | 9,837 | $4.48 | 204,657 |
| 2022-06-01 | Option exercise | 16,737 | $0.00 | 221,394 |
| 2022-06-01 | Tax withholding | 6,586 | $4.48 | 214,808 |
| 2022-06-01 | Option exercise | 34,374 | $0.00 | 249,182 |
| 2022-06-01 | Tax withholding | 13,526 | $4.48 | 235,656 |
| 2022-06-01 | Option exercise | 37,090 | $0.00 | 272,746 |
| 2022-06-01 | Option exercise | 25,000 | $0.00 | 214,494 |
| 2022-05-19 | Grant / award (derivative) | 327,740 | $0.00 | 649,494 |
| 2022-05-19 | Grant / award (derivative) | 325,954 | $0.00 | 647,708 |
| 2021-09-01 | Grant / award (derivative) | 100,000 | $0.00 | 321,754 |
| 2021-06-01 | Option exercise (derivative) | 9,382 | $0.00 | 110,484 |
| 2021-06-01 | Option exercise (derivative) | 34,374 | $0.00 | 136,603 |
| 2021-06-01 | Option exercise (derivative) | 16,737 | $0.00 | 119,866 |
| 2021-06-01 | Option exercise | 16,737 | $0.00 | 190,389 |
| 2021-06-01 | Tax withholding | 6,586 | $3.51 | 183,803 |
| 2021-06-01 | Option exercise | 9,382 | $0.00 | 193,185 |
| 2021-06-01 | Option exercise | 34,374 | $0.00 | 187,178 |
| 2021-06-01 | Tax withholding | 13,526 | $3.51 | 173,652 |
| 2021-06-01 | Tax withholding | 3,691 | $3.51 | 189,494 |
| 2021-05-20 | Grant / award (derivative) | 111,270 | $0.00 | 282,247 |
| 2021-05-18 | Option exercise (derivative) | 6,410 | $0.00 | 170,977 |
| 2021-05-18 | Option exercise | 6,410 | $0.00 | 152,804 |
| 2020-06-01 | Option exercise (derivative) | 9,383 | $0.00 | 219,124 |
| 2020-06-01 | Option exercise (derivative) | 16,737 | $0.00 | 202,387 |
| 2020-06-01 | Option exercise (derivative) | 25,000 | $0.00 | 177,387 |
| 2020-06-01 | Option exercise (derivative) | 11,217 | $0.00 | 228,507 |
| 2020-06-01 | Option exercise | 11,217 | $0.00 | 95,274 |
| 2020-06-01 | Option exercise | 25,000 | $0.00 | 146,394 |
| 2020-06-01 | Option exercise | 16,737 | $0.00 | 121,394 |
| 2020-06-01 | Option exercise | 9,383 | $0.00 | 104,657 |
| 2020-05-21 | Grant / award (derivative) | 103,121 | $0.00 | 239,724 |
| 2019-07-02 | Option exercise (derivative) | 29,862 | $0.00 | 0 |
| 2019-07-02 | Tax withholding | 11,750 | $7.12 | 84,057 |
| 2019-07-02 | Option exercise | 29,862 | $0.00 | 95,807 |
| 2019-06-01 | Option exercise (derivative) | 7,945 | $0.00 | 136,603 |
| 2019-06-01 | Option exercise (derivative) | 11,218 | $0.00 | 153,931 |
| 2019-06-01 | Option exercise (derivative) | 9,383 | $0.00 | 144,548 |
| 2019-06-01 | Option exercise | 11,218 | $0.00 | 55,566 |
| 2019-06-01 | Tax withholding | 2,731 | $6.99 | 52,835 |
| 2019-06-01 | Option exercise | 9,383 | $0.00 | 62,218 |
| 2019-06-01 | Tax withholding | 2,284 | $6.99 | 59,934 |
| 2019-06-01 | Option exercise | 7,945 | $0.00 | 67,879 |
| 2019-06-01 | Tax withholding | 1,934 | $6.99 | 65,945 |
| 2019-05-23 | Grant / award (derivative) | 50,211 | $0.00 | 165,149 |
| 2019-05-18 | Option exercise (derivative) | 6,410 | $0.00 | 114,938 |
| 2019-05-18 | Option exercise | 6,410 | $0.00 | 45,908 |
| 2019-05-18 | Tax withholding | 1,560 | $7.61 | 44,348 |
| 2018-06-01 | Option exercise (derivative) | 11,218 | $0.00 | 129,293 |
| 2018-06-01 | Option exercise (derivative) | 7,945 | $0.00 | 121,348 |
| 2018-06-01 | Tax withholding | 1,934 | $10.85 | 39,498 |
| 2018-06-01 | Option exercise | 7,945 | $0.00 | 41,432 |
| 2018-06-01 | Tax withholding | 2,731 | $10.85 | 33,487 |
| 2018-06-01 | Option exercise | 11,218 | $0.00 | 36,218 |
| 2018-05-16 | Grant / award (derivative) | 50,000 | $0.00 | 140,511 |
| 2018-05-16 | Grant / award (derivative) | 28,148 | $0.00 | 90,511 |
| 2018-05-02 | Open-market sale | 18,913 | $10.52 | 25,000 |
| 2018-04-22 | Tax withholding | 6,087 | $9.80 | 43,913 |
| 2017-08-01 | Option exercise (derivative) | 34,948 | $0.00 | 69,896 |
| 2017-08-01 | Option exercise | 34,948 | $4.32 | 84,948 |
| 2017-08-01 | Open-market sale | 34,948 | $8.46 | 50,000 |
| 2017-06-01 | Option exercise (derivative) | 7,946 | $0.00 | 62,363 |
| 2017-06-01 | Tax withholding | 2,123 | $7.54 | 55,823 |
| 2017-06-01 | Option exercise | 7,946 | $0.00 | 57,946 |
| 2017-05-18 | Grant / award (derivative) | 33,653 | $0.00 | 57,489 |
| 2017-05-18 | Grant / award (derivative) | 12,820 | $0.00 | 70,309 |
| 2016-05-19 | Grant / award (derivative) | 29,862 | $0.00 | 29,862 |
| 2016-05-19 | Grant / award (derivative) | 104,844 | $0.00 | 104,844 |
| 2016-05-19 | Grant / award (derivative) | 23,836 | $0.00 | 23,836 |
| 2016-04-22 | Grant / award | 50,000 | $0.00 | 50,000 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.