NPKI NPK International Inc.
NYSE · SEC CIK 71829 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $5.74M 16 sales by 7 insiders
- Filings on record
- 173 since 2021-07-16, latest 2026-09-24 16:11
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Piontek Gregg | SVP, CFO | — | $2.49M |
| LANIGAN MATTHEW | Pres, CEO, Dir | — | $2.42M |
| Briggs Lori | VP, Pres, Ind. Solutions | — | $391.4K |
| Fruge Mary Celeste | VP, GC | — | $162.9K |
| ROBESON ROSE M | Dir | — | $134.9K |
| Lewis Michael A | Dir | — | $112.5K |
| Warren Matthew James | CAO | — | $40.1K |
| Barton III Alvin James | EVP Commercial Growth, Ops | — | — |
| Pederson Kristen J. | Dir | — | — |
| Meer Claudia Michel | Dir | — | — |
Transactions 194
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024-05-20 | 2024-05-16 | NPKI | MINGE JOHN C | Dir | A - Grant | $0.00 | +16.1K | 220.3K | +8% | $0 | |
| 2024-05-17 | 2024-05-15 | NPKI | Fruge Mary Celeste | VP, GC | A - Grant | $0.00 | +29.2K | 228.2K | +15% | $0 | |
| 2024-05-17 | 2024-05-15 | NPKI | WHITE DOUGLAS L | VP, CAO, Treas | A - Grant | $0.00 | +23.8K | 218.4K | +12% | $0 | |
| 2024-05-17 | 2024-05-15 | NPKI | PATERSON DAVID A | VP, Pres, Fluids Systems | A - Grant | $0.00 | +47.8K | 315.8K | +18% | $0 | |
| 2024-05-17 | 2024-05-15 | NPKI | Piontek Gregg | SVP, CFO | A - Grant | $0.00 | +68.3K | 709.4K | +11% | $0 | |
| 2024-05-17 | 2024-05-15 | NPKI | Briggs Lori | VP, Pres, Ind. Solutions | A - Grant | $0.00 | +41.2K | 149.3K | +38% | $0 | |
| 2024-05-17 | 2024-05-15 | NPKI | LANIGAN MATTHEW | Pres, CEO, Dir | A - Grant | $0.00 | +169.5K | 609.4K | +39% | $0 | |
| 2023-12-15 | 2023-12-14 | NPKI | WHITE DOUGLAS L | VP, CAO, Treas | A - Grant | $3.82 | +1,203 | 194.6K | +0.6% | +$4,595 | |
| 2023-12-15 | 2023-12-14 | NPKI | Fruge Mary Celeste | VP, GC | A - Grant | $3.82 | +2,000 | 199.0K | +1% | +$7,640 | |
| 2023-12-15 | 2023-12-14 | NPKI | Briggs Lori | VP, Pres, Ind. Solutions | A - Grant | $3.82 | +1,965 | 113.3K | +2% | +$7,506 | |
| D | 2023-11-21 | 2023-11-20 | NPKI | WHITE DOUGLAS L | VP, CAO, Treas | M - OptEx | $0.00 | +12.5K | 196.5K | +7% | $0 |
| D | 2023-11-21 | 2023-11-20 | NPKI | WHITE DOUGLAS L | VP, CAO, Treas | F - Tax | $7.19 | -3,043 | 193.4K | -2% | -$21.9K |
| D | 2023-09-06 | 2023-09-01 | NPKI | LANIGAN MATTHEW | Pres, CEO, Dir | M - OptEx | $0.00 | +33.3K | 453.1K | +8% | $0 |
| D | 2023-09-06 | 2023-09-01 | NPKI | LANIGAN MATTHEW | Pres, CEO, Dir | F - Tax | $6.13 | -13.1K | 439.9K | -3% | -$80.4K |
| D | 2023-09-06 | 2023-09-01 | NPKI | Briggs Lori | VP, Pres, Ind. Solutions | F - Tax | $6.13 | -6,558 | 111.3K | -6% | -$40.2K |
| D | 2023-09-06 | 2023-09-01 | NPKI | Briggs Lori | VP, Pres, Ind. Solutions | M - OptEx | $0.00 | +16.7K | 117.9K | +16% | $0 |
| 2023-08-22 | 2023-08-21 | NPKI | Meer Claudia Michel | Dir | P - Purchase | $5.57 | +1,300 | 82.9K | +2% | +$7,241 | |
| 2023-08-17 | 2023-08-16 | NPKI | Meer Claudia Michel | Dir | P - Purchase | $5.27 | +8,000 | 81.6K | +11% | +$42.2K | |
| 2023-07-18 | 2023-07-15 | NPKI | PATERSON DAVID A | VP, Pres, Fluids Systems | F - Tax | $5.26 | -17.4K | 268.0K | -6% | -$91.7K | |
| 2023-06-16 | 2023-06-14 | NPKI | Briggs Lori | VP, Pres, Ind. Solutions | A - Grant | $3.37 | +2,000 | 101.2K | +2% | +$6,740 | |
| 2023-06-16 | 2023-06-14 | NPKI | WHITE DOUGLAS L | VP, CAO, Treas | A - Grant | $3.37 | +1,320 | 184.0K | +0.7% | +$4,448 | |
| 2023-06-16 | 2023-06-14 | NPKI | Fruge Mary Celeste | VP, GC | A - Grant | $3.37 | +2,000 | 197.0K | +1% | +$6,740 | |
| DM | 2023-06-05 | 2023-06-01 | NPKI | WHITE DOUGLAS L | VP, CAO | F - Tax | $3.67 | -13.0K | 165.3K | -7% | -$47.7K |
| DM | 2023-06-05 | 2023-06-01+ | NPKI | WHITE DOUGLAS L | VP, CAO | M - OptEx | $0.00 | +53.3K | 173.8K | +44% | $0 |
| DM | 2023-06-05 | 2023-06-01 | NPKI | LANIGAN MATTHEW | Pres, CEO, Dir | M - OptEx | $0.00 | +180.1K | 434.3K | +71% | $0 |
| DM | 2023-06-05 | 2023-06-01 | NPKI | LANIGAN MATTHEW | Pres, CEO, Dir | F - Tax | $3.67 | -70.9K | 397.2K | -15% | -$260.1K |
| DM | 2023-06-05 | 2023-06-01+ | NPKI | PATERSON DAVID A | VP, Pres, Fluids Systems | M - OptEx | $0.00 | +99.6K | 240.7K | +71% | $0 |
| DM | 2023-06-05 | 2023-06-01 | NPKI | PATERSON DAVID A | VP, Pres, Fluids Systems | F - Tax | $3.67 | -24.2K | 252.3K | -9% | -$89.0K |
| DM | 2023-06-05 | 2023-06-01 | NPKI | Briggs Lori | VP, Pres, Ind. Solutions | F - Tax | $3.67 | -22.2K | 99.2K | -18% | -$81.4K |
| DM | 2023-06-05 | 2023-06-01 | NPKI | Briggs Lori | VP, Pres, Ind. Solutions | M - OptEx | $0.00 | +56.4K | 81.0K | +229% | $0 |
| DM | 2023-06-05 | 2023-06-01+ | NPKI | Piontek Gregg | SVP, CFO | M - OptEx | $0.00 | +142.4K | 602.4K | +31% | $0 |
| DM | 2023-06-05 | 2023-06-01 | NPKI | Piontek Gregg | SVP, CFO | F - Tax | $3.67 | -23.1K | 555.0K | -4% | -$84.9K |
| M | 2023-06-05 | 2023-06-01 | NPKI | Fruge Mary Celeste | VP, GC | F - Tax | $3.67 | -11.0K | 198.9K | -5% | -$40.2K |
| A | 2023-05-26 | 2023-05-18 | NPKI | LARSON RODERICK A. | Dir | A - Grant | $0.00 | +32.1K | 32.1K | New | $0 |
| A | 2023-05-25 | 2023-05-18 | NPKI | MINGE JOHN C | Dir | A - Grant | $0.00 | +32.1K | 204.2K | +19% | $0 |
| A | 2023-05-25 | 2023-05-18 | NPKI | Lewis Michael A | Dir | A - Grant | $0.00 | +32.1K | 108.2K | +42% | $0 |
| A | 2023-05-25 | 2023-05-18 | NPKI | ROBESON ROSE M | Dir | A - Grant | $0.00 | +39.8K | 175.6K | +29% | $0 |
| A | 2023-05-25 | 2023-05-18 | NPKI | Meer Claudia Michel | Dir | A - Grant | $0.00 | +32.1K | 73.6K | +77% | $0 |
| A | 2023-05-25 | 2023-05-18 | NPKI | Young Donald Win | Dir | A - Grant | $0.00 | +32.1K | 279.7K | +13% | $0 |
| 2023-05-22 | 2023-05-18 | NPKI | MINGE JOHN C | Dir | A - Grant | $0.00 | +38.6K | 210.6K | +22% | $0 | |
| 2023-05-22 | 2023-05-18 | NPKI | LARSON RODERICK A. | Dir | A - Grant | $0.00 | +38.6K | 224.0K | +21% | $0 | |
| 2023-05-22 | 2023-05-18 | NPKI | Meer Claudia Michel | Dir | A - Grant | $0.00 | +38.6K | 80.1K | +93% | $0 | |
| 2023-05-22 | 2023-05-18 | NPKI | ROBESON ROSE M | Dir | A - Grant | $0.00 | +46.3K | 182.0K | +34% | $0 | |
| 2023-05-22 | 2023-05-18 | NPKI | Young Donald Win | Dir | A - Grant | $0.00 | +38.6K | 286.2K | +16% | $0 | |
| 2023-05-22 | 2023-05-18 | NPKI | Lewis Michael A | Dir | A - Grant | $0.00 | +38.6K | 114.6K | +51% | $0 | |
| M | 2023-03-17 | 2023-03-15 | NPKI | MINGE JOHN C | Dir | P - Purchase | $4.03 | +10.0K | 167.0K | +6% | +$40.2K |
| 2022-12-16 | 2022-12-14 | NPKI | Earle Edward Chipman | VP, GC, CAO | A - Grant | $3.21 | +2,000 | 230.3K | +0.9% | +$6,420 | |
| 2022-12-16 | 2022-12-14 | NPKI | Briggs Lori | VP, Pres, Ind. Solutions | A - Grant | $3.21 | +2,000 | 65.0K | +3% | +$6,420 | |
| 2022-12-16 | 2022-12-14 | NPKI | WHITE DOUGLAS L | VP, CAO | A - Grant | $3.21 | +1,367 | 142.3K | +1.0% | +$4,388 | |
| 2022-12-12 | 2022-12-09 | NPKI | Lewis Michael A | Dir | P - Purchase | $3.98 | +5,251 | 76.0K | +7% | +$20.9K | |
| 2022-11-21 | 2022-11-21 | NPKI | MINGE JOHN C | Dir | P - Purchase | $3.64 | +5,000 | 162.0K | +3% | +$18.2K | |
| 2022-11-21 | 2022-11-21 | NPKI | Young Donald Win | Dir | P - Purchase | $3.94 | +30.0K | 247.6K | +14% | +$118.2K | |
| M | 2022-11-18 | 2022-11-16+ | NPKI | Meer Claudia Michel | Dir | P - Purchase | $3.96 | +5,000 | 41.5K | +14% | +$19.8K |
| 2022-11-14 | 2022-11-10 | NPKI | MINGE JOHN C | Dir | P - Purchase | $3.95 | +5,000 | 157.0K | +3% | +$19.8K | |
| D | 2022-09-06 | 2022-09-01 | NPKI | Briggs Lori | VP, Pres, Industrial | F - Tax | $2.75 | -6,558 | 63.0K | -9% | -$18.0K |
| D | 2022-09-06 | 2022-09-01 | NPKI | Briggs Lori | VP, Pres, Industrial | M - OptEx | $0.00 | +16.7K | 69.5K | +32% | $0 |
| D | 2022-09-06 | 2022-09-01 | NPKI | LANIGAN MATTHEW | Pres, CEO, Dir | M - OptEx | $0.00 | +33.3K | 310.5K | +12% | $0 |
| 2022-08-19 | 2022-08-18 | NPKI | Young Donald Win | Dir | P - Purchase | $2.91 | +3,800 | 217.6K | +2% | +$11.1K | |
| M | 2022-08-17 | 2022-08-15+ | NPKI | Young Donald Win | Dir | P - Purchase | $2.67 | +89.6K | 213.8K | +72% | +$239.5K |
| 2022-08-17 | 2022-08-16 | NPKI | MINGE JOHN C | Dir | P - Purchase | $2.66 | +15.0K | 152.0K | +11% | +$39.9K | |
| 2022-08-09 | 2022-08-05 | NPKI | Earle Edward Chipman | VP, GC, CAO | P - Purchase | $2.56 | +10.0K | 228.3K | +5% | +$25.6K | |
| I | 2022-08-09 | 2022-08-05 | NPKI | Piontek Gregg | SVP, CFO | P - Purchase | $2.55 | +10.0K | 65.0K | +18% | +$25.5K |
| 2022-08-09 | 2022-08-05 | NPKI | LANIGAN MATTHEW | Pres, CEO, Dir | P - Purchase | $2.55 | +19.0K | 277.2K | +7% | +$48.5K | |
| 2022-06-16 | 2022-06-14 | NPKI | Briggs Lori | VP, Pres, Industrial | A - Grant | $2.40 | +2,000 | 52.9K | +4% | +$4,800 | |
| 2022-06-16 | 2022-06-14 | NPKI | WHITE DOUGLAS L | VP, CAO | A - Grant | $2.40 | +1,785 | 140.9K | +1% | +$4,284 | |
| DM | 2022-06-03 | 2022-06-01 | NPKI | PATERSON DAVID A | VP, Pres, Fluids Systems | M - OptEx | $0.00 | +69.0K | 218.8K | +46% | $0 |
| DM | 2022-06-03 | 2022-06-01 | NPKI | PATERSON DAVID A | VP, Pres, Fluids Systems | F - Tax | $4.48 | -16.8K | 210.1K | -7% | -$75.2K |
| DM | 2022-06-03 | 2022-06-01 | NPKI | Briggs Lori | VP, Pres, Industrial | M - OptEx | $0.00 | +29.2K | 45.5K | +179% | $0 |
| DM | 2022-06-03 | 2022-06-01 | NPKI | Briggs Lori | VP, Pres, Industrial | F - Tax | $4.48 | -11.5K | 34.5K | -25% | -$51.5K |
| DM | 2022-06-03 | 2022-06-01 | NPKI | WHITE DOUGLAS L | VP, CAO | M - OptEx | $0.00 | +41.6K | 126.4K | +49% | $0 |
| DM | 2022-06-03 | 2022-06-01 | NPKI | WHITE DOUGLAS L | VP, CAO | F - Tax | $4.48 | -10.1K | 125.0K | -7% | -$45.4K |
| DM | 2022-06-03 | 2022-06-01 | NPKI | LANIGAN MATTHEW | Pres, CEO, Dir | M - OptEx | $0.00 | +113.2K | 221.4K | +105% | $0 |
| DM | 2022-06-03 | 2022-06-01 | NPKI | LANIGAN MATTHEW | Pres, CEO, Dir | F - Tax | $4.48 | -44.5K | 258.2K | -15% | -$199.6K |
| DM | 2022-06-03 | 2022-06-01 | NPKI | Earle Edward Chipman | VP, GC, CAO | M - OptEx | $0.00 | +112.5K | 193.2K | +139% | $0 |
| DM | 2022-06-03 | 2022-06-01 | NPKI | Earle Edward Chipman | VP, GC, CAO | F - Tax | $4.48 | -27.4K | 149.3K | -16% | -$122.7K |
| DM | 2022-06-03 | 2022-06-01 | NPKI | Piontek Gregg | SVP, CFO | M - OptEx | $0.00 | +171.7K | 471.1K | +57% | $0 |
| DM | 2022-06-03 | 2022-06-01 | NPKI | Piontek Gregg | SVP, CFO | F - Tax | $4.48 | -67.6K | 462.0K | -13% | -$302.7K |
| 2022-05-20 | 2022-05-19 | NPKI | MINGE JOHN C | Dir | A - Grant | $0.00 | +36.5K | 137.0K | +36% | $0 | |
| 2022-05-20 | 2022-05-19 | NPKI | LARSON RODERICK A. | Dir | A - Grant | $0.00 | +36.5K | 185.4K | +25% | $0 | |
| 2022-05-20 | 2022-05-19 | NPKI | Meer Claudia Michel | Dir | A - Grant | $0.00 | +36.5K | 36.5K | New | $0 | |
| 2022-05-20 | 2022-05-19 | NPKI | BEST ANTHONY JAMES | Dir | A - Grant | $0.00 | +41.4K | 237.8K | +21% | $0 | |
| 2022-05-20 | 2022-05-19 | NPKI | ROBESON ROSE M | Dir | A - Grant | $0.00 | +36.5K | 135.7K | +37% | $0 | |
| 2022-05-20 | 2022-05-19 | NPKI | Young Donald Win | Dir | A - Grant | $0.00 | +36.5K | 124.2K | +42% | $0 | |
| 2022-05-20 | 2022-05-19 | NPKI | Lewis Michael A | Dir | A - Grant | $0.00 | +36.5K | 70.8K | +106% | $0 | |
| 2022-05-16 | 2022-05-12 | NPKI | Young Donald Win | Dir | P - Purchase | $3.54 | +19.3K | 87.7K | +28% | +$68.2K | |
| M | 2022-05-10 | 2022-05-06+ | NPKI | Young Donald Win | Dir | P - Purchase | $3.55 | +68.5K | 26.4K | New | +$243.0K |
| 2021-12-17 | 2021-12-14 | NPKI | Briggs Lori | VP, Pres, Industrial | A - Grant | $1.97 | +2,000 | 33.2K | +6% | +$3,940 | |
| 2021-12-17 | 2021-12-14 | NPKI | WHITE DOUGLAS L | VP, CAO | A - Grant | $1.97 | +1,248 | 107.7K | +1% | +$2,459 | |
| D | 2021-11-23 | 2021-11-20 | NPKI | WHITE DOUGLAS L | VP, CAO | M - OptEx | $0.00 | +12.5K | 109.5K | +13% | $0 |
| D | 2021-11-23 | 2021-11-20 | NPKI | WHITE DOUGLAS L | VP, CAO | F - Tax | $2.72 | -3,043 | 106.4K | -3% | -$8,277 |
| 2021-08-27 | 2021-08-26 | NPKI | Howes Paul L | Pres, CEO, Dir | P - Purchase | $2.29 | +30.0K | 1.24M | +2% | +$68.7K | |
| 2021-08-18 | 2021-08-14 | NPKI | WHITE DOUGLAS L | VP, CAO | A - Grant | $1.97 | +2,000 | 97.0K | +2% | +$3,940 | |
| D | 2021-07-16 | 2021-07-15 | NPKI | PATERSON DAVID A | VP, Pres, Fluid Systems | F - Tax | $2.93 | -12.2K | 157.9K | -7% | -$35.7K |
| D | 2021-07-16 | 2021-07-15 | NPKI | PATERSON DAVID A | VP, Pres, Fluid Systems | M - OptEx | $0.00 | +50.0K | 170.1K | +42% | $0 |
Purchase Sale Sale after option exercise All abbreviations