NPK International Inc.·4

Mar 18, 4:35 PM ET

Fruge Mary Celeste 4

4 · NPK International Inc. · Filed Mar 18, 2026

Research Summary

AI-generated summary of this filing

Updated

NPK International VP/GC Mary Fruge Exercises Options, Sells 1,000 Shares

What Happened
Mary Celeste Fruge, VP and General Counsel of NPK International Inc. (NPKI), exercised 1,000 stock options on 2026-03-16 at an exercise price of $4.32 per share (total cash cost $4,320) and immediately sold 1,000 shares in the open market at $13.56 per share (gross proceeds $13,560). The Form 4 also reports a separate M-coded transaction of 1,000 shares at $0.00 reported as disposed (a derivative conversion/disposition).

Key Details

  • Transaction date: 2026-03-16; Form 4 filed 2026-03-18 (timely filing).
  • Exercise (code M): 1,000 options exercised @ $4.32 = $4,320 (acquired).
  • Sale (code S): 1,000 shares sold on open market @ $13.56 = $13,560 (disposed).
  • Additional M entry: 1,000 shares @ $0.00 reported as disposed (derivative conversion; filing gives no further detail).
  • Footnote F1: The exercise and subsequent sale occurred automatically under a Rule 10b5-1 trading plan adopted Dec 5, 2025.
  • Footnote F2: The options were sold on the open market; the reporting person will provide full info on the number of options sold upon request.
  • Shares owned after the reported transactions: not specified in the provided filing.

Context
Because the exercise and sale occurred automatically under a pre-established 10b5-1 plan, the sequence reflects a planned, routine transaction rather than an ad-hoc insider sale. The filing’s $0.00 derivative entry indicates a conversion/disposition of a derivative instrument with no cash price reported; the Form 4 does not explain that item further. As always, purchases can be more informative than sales for signaling, but automated or plan-driven sales are common and do not by themselves indicate a change in the insider’s view of the company.

Insider Transaction Report

Form 4
Period: 2026-03-16
Fruge Mary Celeste
VP, General Counsel
Transactions
  • Exercise/Conversion

    Common Stock

    [F1]
    2026-03-16$4.32/sh+1,000$4,320266,213 total
  • Sale

    Common Stock

    [F1][F2]
    2026-03-16$13.56/sh1,000$13,560265,213 total
  • Exercise/Conversion

    Non-Qualified Stock Option (right to buy)

    [F1]
    2026-03-161,0000 total
    Exercise: $4.32From: 2019-06-01Exp: 2026-05-19Common Stock (1,000 underlying)
Footnotes (2)
  • [F1]The reported exercise of 1,000 options and subsequent sale of the shares acquired upon exercise occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 5, 2025.
  • [F2]These options were sold on the open market at price stated. 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 options sold.
Signature
M. Celeste Fruge|2026-03-18

Documents

1 file
  • 4
    edgardoc.xmlPrimary

    PRIMARY DOCUMENT