Douglas L. White - Jun 1, 2025 Form 4 Insider Report for NPK International Inc. (NPKI)

Role
VP, CAO & Treasurer
Signature
By: M. Celeste Fruge For: Douglas L. White
Stock symbol
NPKI
Transactions as of
Jun 1, 2025
Transactions value $
-$127,118
Form type
4
Date filed
6/3/2025, 06:22 PM
Previous filing
May 16, 2025
Next filing
Jun 17, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WHITE DOUGLAS L VP, CAO & Treasurer 9320 LAKESIDE BOULEVARD, SUITE 100, THE WOODLANDS By: M. Celeste Fruge For: Douglas L. White 2025-06-03 0001608944

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NPKI Common Stock Options Exercise $0 +17.3K +6.01% $0.00 306K Jun 1, 2025 Direct F1
transaction NPKI Common Stock Options Exercise $0 +14.7K +4.8% $0.00 320K Jun 1, 2025 Direct F1
transaction NPKI Common Stock Tax liability -$25.3K -3.12K -0.97% $8.09 317K Jun 1, 2025 Direct F2
transaction NPKI Common Stock Tax liability -$55.2K -6.82K -2.15% $8.09 310K Jun 1, 2025 Direct F2
transaction NPKI Common Stock Tax liability -$46.7K -5.77K -1.86% $8.09 305K Jun 1, 2025 Direct F2

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 -17.3K -37.14% $0.00 29.3K Jun 1, 2025 Common Stock 17.3K $0.00 Direct F1, F3
transaction NPKI Restricted Stock Units Options Exercise $0 -14.7K -50% $0.00 14.7K Jun 1, 2025 Common Stock 14.7K $0.00 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units convert into common stock on a one-for-one basis.
F2 Represents shares withheld to satisfy tax withholding obligations upon the vesting of restricted stock units.
F3 Grant of restricted stock units that vest in one-third increments on June 1 of each subsequent year after grant and settle in shares.