Lanigan Matthew insider trades
Lanigan Matthew has filed 20 Form 4s with the SEC that we hold, all for NPK International Inc. (NPKI), as President & CEO, Director. Across all of them we count 1 purchase worth $48.5K and 3 sales worth $3.1M reported on Form 4. In the last 12 months: 0 purchases ($0) and 1 sale ($2.4M). The largest single trade was a sale of 167,375 shares of NPK International Inc. worth $2.4M, dated 2026-06-03. The first filing on our record is dated 2021-09-01 and the latest 2026-06-05.
NPK International Inc. (NPKI)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-08-05 | P, purchase reported on Form 4 | 19,000 | $48.5K | 2022-08-09 |
| 2025-08-22 | S, sale reported on Form 4 | 68,896 | $712.4K | 2025-08-26 |
| 2025-09-03 | S, sale reported on Form 4 | 1,000 | $10.4K | 2025-09-04 |
| 2026-06-03 | S, sale reported on Form 4 | 167,375 | $2.4M | 2026-06-05 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1672978) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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