Piontek Gregg 4

What Happened
Gregg Piontek, Senior Vice President and Chief Financial Officer of NPK International Inc. (NPKI), disposed of 15,000 shares in an open-market sale on March 25, 2026. The weighted-average sale price was $15.03 per share, for total gross proceeds of approximately $225,384. This transaction was a sale (disposition), which is commonly routine for insiders and does not by itself indicate management sentiment.

Key Details

• Transaction date: 2026-03-25 (Form 4 filed 2026-03-26).
• Sale type/code: S (open market sale).
• Shares sold: 15,000; weighted-average price: $15.03; reported price range: $15.00–$15.12.
• Reported proceeds: ~$225,384 (gross).
• Shares owned after transaction: Not specified in the provided filing.
• Footnotes of note:
  • The sale occurred automatically under a Rule 10b5-1 trading plan adopted December 3, 2025.
  • The $15.03 figure is a weighted average; the filer can provide the per-price breakdown on request.
  • The shares are indirectly held by a Trust.
• Timeliness: Form 4 was filed the day after the transaction, consistent with typical reporting timing.

Context
Because the sale was executed under a pre-established 10b5-1 plan, it was automated and likely planned in advance; such sales are treated differently from ad-hoc insider trades. Sales reduce insider holdings but, on their own, do not prove a change in expectations for the business. Retail investors focusing on insider activity often weigh purchases more heavily than routine, plan-driven sales.