Matthew Lanigan
Director, President & CEO · 3 filings · Latest: Jun 3, 2026
NPK International Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
NPKI | Matthew Lanigan | Director, President & CEO | Jun 3, 2026 | Sale | $14.43 | 167,375 | $2.4M | 254,699 | |
NPKI | Matthew Lanigan | Director, President & CEO | Jun 1, 2026 | Option Exercise | $0.00 | 100,188 | — | 422,074 | |
NPKI | Matthew Lanigan | Director, President & CEO | Jun 1, 2026 | Tax Withholding | $14.31 | 89,549 | $1.3M | 321,886 | |
NPKI | Matthew Lanigan | Director, President & CEO | May 19, 2026 | Grant/Award | $0.00 | 85,771 | — | 411,435 |