LANIGAN MATTHEW
SEC insider (Form 3/4/5 filer). CIK 0001672978. President & CEO at NPK International Inc. (NPKI). 19 reported Form 4/5 transactions since Sep 2024; latest on Jun 3, 2026. Located in THE WOODLANDS, TX.
Companies LANIGAN MATTHEW has filed insider reports for
- NPK International Inc. (NPKI): Director, Officer, President & CEO
LANIGAN MATTHEW
CIK: 0001672978
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
NPK International Inc.
Discretionary Trading P&L
Holdings
Transaction History (19 total)
- Jun 3, 2026NPKI
NPK International Inc.
SaleDirect167.4K shares at avg. $14.43$2.4M - Jun 1, 2026NPKI
NPK International Inc.
Tax PaymentDirect22.2K shares at avg. $14.31$318K - Jun 1, 2026NPKI
NPK International Inc.
Tax PaymentDirect27.9K shares at avg. $14.31$399K - Jun 1, 2026NPKI
NPK International Inc.
Tax PaymentDirect39.4K shares at avg. $14.31$564K - Jun 1, 2026NPKI
NPK International Inc.
ExerciseDirect100.2K shares- - May 19, 2026NPKI
NPK International Inc.
AwardDirect85.8K shares- - Oct 3, 2025NPKI
NPK International Inc.
GiftDirect770.2K shares- - Sep 3, 2025NPKI
NPK International Inc.
ExerciseDirect1K shares at avg. $4.32$4K - Sep 3, 2025NPKI
NPK International Inc.
SaleDirect1K shares at avg. $10.38$10K - Aug 22, 2025NPKI
NPK International Inc.
ExerciseDirect68.9K shares at avg. $4.32$298K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 3, 2026 | NPKI NPK International Inc. | Sale | 167,375 | $14.43 | $2,415,907 | Direct |
| Jun 1, 2026 | NPKI NPK International Inc. | Tax Payment | 22,232 | $14.31 | $318,140 | Direct |
| Jun 1, 2026 | NPKI NPK International Inc. | Tax Payment | 27,894 | $14.31 | $399,163 | Direct |
| Jun 1, 2026 | NPKI NPK International Inc. | Tax Payment | 39,423 | $14.31 | $564,143 | Direct |
| Jun 1, 2026 | NPKI NPK International Inc. | Exercise | 100,188 | - | $0 | Direct |
| May 19, 2026 | NPKI NPK International Inc. | Award | 85,771 | - | $0 | Direct |
| Oct 3, 2025 | NPKI NPK International Inc. | Gift | 770,249 | - | - | Direct |
| Sep 3, 2025 | NPKI NPK International Inc. | Exercise | 1,000 | $4.32 | $4,320 | Direct |
| Sep 3, 2025 | NPKI NPK International Inc. | Sale | 1,000 | $10.38 | $10,380 | Direct |
| Aug 22, 2025 | NPKI NPK International Inc. | Exercise | 68,896 | $4.32 | $297,631 | Direct |
1-10 of 19 transactions