M. Celeste Fruge - 01 Jun 2025 Form 4/A - Amendment Insider Report for NPK International Inc. (NPKI)

Role
VP, General Counsel
Signature
M. Celeste Fruge
Issuer symbol
NPKI
Transactions as of
01 Jun 2025
Net transactions value
$0
Form type
4/A - Amendment
Filing time
21 Jan 2026, 16:40:59 UTC
Date Of Original Report
03 Jun 2025
Previous filing
16 May 2025
Next filing
10 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Fruge Mary Celeste VP, General Counsel 9320 LAKESIDE BOULEVARD, SUITE 100, THE WOODLANDS M. Celeste Fruge 21 Jan 2026 0001975485

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NPKI Common Stock Options Exercise $0 +17,274 +7% $0.000000 265,213 01 Jun 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction NPKI Restricted Stock Units Options Exercise $0 -17,274 -50% $0.000000 17,274 01 Jun 2025 Common Stock 17,274 $0.000000 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On June 3, 2025, the filed Form 4 inadvertently reported the conversion of vested restricted stock units into 17,247 shares instead of 17,274 shares, which was a scrivener's error.
F2 Grant of restricted stock units that vest in one-third increments on June 1 of each subsequent year after grant and settle in shares.