LANIGAN MATTHEW 4
4 · NPK International Inc. · Filed Jun 5, 2026
Research Summary
AI-generated summary of this filing
NPK International (NPKI) CEO Matthew Lanigan Sells 167,375 Shares
What Happened
Matthew Lanigan, President & CEO and a director of NPK International, sold 167,375 shares in open-market transactions on June 3, 2026. The weighted-average sale price was $14.43 per share, yielding proceeds of approximately $2,415,907. This was a sale (transaction code S), executed automatically under a pre-established Rule 10b5-1 trading plan.
Key Details
- Transaction date: June 3, 2026 (reported on Form 4 filed June 5, 2026). Filing was timely (filed within the standard 2-business-day window).
- Price: weighted average $14.43; individual sale prices ranged from $14.29 to $14.56.
- Shares sold: 167,375; proceeds ≈ $2,415,907.
- Shares owned after transaction: not disclosed in the provided Form 4.
- Footnotes: (1) Sale executed automatically under a Rule 10b5-1 plan adopted March 4, 2026. (2) Weighted-average price reported; the reporting person will provide a breakdown of shares sold at each price on request.
Context
Sales under Rule 10b5-1 plans are pre-arranged and often routine, and do not by themselves indicate the insider’s view of the company. Retail investors should treat this as an executed plan sale rather than an ad hoc insider decision; consider this alongside other insider transactions and company fundamentals.
Insider Transaction Report
- Sale
Common Stock
[F1][F2]2026-06-03$14.43/sh−167,375$2,415,907→ 254,699 total
- 770,249(indirect: By Trust)
Common Stock
Footnotes (2)
- [F1]The reported sale of 167,375 shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 4, 2026.
- [F2]The price reported is the weighted average price. These shares were sold in multiple transactions in the open market at prices ranging from $14.29 to $14.56, inclusive. The reporting person undertakes to provide to NPK International Inc., any security holder of NPK International Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4.