Form 4: NPKI VP Sells Shares Via Pre-Arranged 10b5-1 Plan

Lori Briggs, VP & President of Industrial Solutions at NPK International Inc., executed a pre-arranged sale of 10,108 common shares at a weighted average price of $11.5109.

Summary

• Lori Briggs, VP & President of Industrial Solutions at NPK International Inc. (NPKI), reported the sale of 10,108 shares of common stock.
• The transaction occurred on October 1, 2025, at a weighted average price of $11.5109 per share.
• The shares were sold in multiple open market transactions at prices ranging from $11.25 to $11.71, inclusive.
• This sale was executed automatically pursuant to a Rule 10b5-1 trading plan adopted by Ms. Briggs on March 11, 2025.
• Following this transaction, Ms. Briggs beneficially owns 242,513 shares of NPK International Inc. common stock.

Sentiment

Score: 5

Explanation: The transaction is a pre-scheduled sale under a 10b5-1 plan, which is generally considered neutral as it does not typically reflect new sentiment about the company's immediate prospects.

Positives

• The sale was conducted under a Rule 10b5-1 trading plan, indicating a pre-scheduled transaction rather than a discretionary sale based on recent non-public information.

Negatives

• Insider selling, even under a 10b5-1 plan, can sometimes be perceived negatively by investors, though the pre-scheduled nature mitigates this concern.

Industry Context

This is a routine insider transaction report and does not provide information relevant to broader industry trends or competitive landscape.

Stakeholder Impact

• Shareholders may note the reduction in insider ownership, though the 10b5-1 plan context typically mitigates concerns about management's confidence in the company.

Next Steps

• The reporting person undertakes to provide full information regarding the number of shares sold at each separate price within the reported range upon request to NPK International Inc., any security holder, or the SEC staff.

Key Dates

Keywords

NPK International Inc., NPKI, Lori Briggs, Insider Sale, Form 4, 10b5-1 Plan, Common Stock, Executive Transaction