Douglas L. White - 01 Jun 2025 Form 4 Insider Report for NPK International Inc. (NPKI)

Role
VP, CAO & Treasurer
Signature
By: M. Celeste Fruge For: Douglas L. White
Issuer symbol
NPKI
Transactions as of
01 Jun 2025
Net transactions value
-$127,118
Form type
4
Filing time
03 Jun 2025, 18:22:08 UTC
Previous filing
16 May 2025
Next filing
17 Jun 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 03 Jun 2025 0001608944

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NPKI Common Stock Options Exercise $0 +17,333 +6% $0.000000 305,561 01 Jun 2025 Direct F1
transaction NPKI Common Stock Options Exercise $0 +14,667 +4.8% $0.000000 320,228 01 Jun 2025 Direct F1
transaction NPKI Common Stock Tax liability $25,257 -3,122 -0.97% $8.09 317,106 01 Jun 2025 Direct F2
transaction NPKI Common Stock Tax liability $55,174 -6,820 -2.2% $8.09 310,286 01 Jun 2025 Direct F2
transaction NPKI Common Stock Tax liability $46,687 -5,771 -1.9% $8.09 304,515 01 Jun 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 -17,333 -37% $0.000000 29,333 01 Jun 2025 Common Stock 17,333 $0.000000 Direct F1, F3
transaction NPKI Restricted Stock Units Options Exercise $0 -14,667 -50% $0.000000 14,666 01 Jun 2025 Common Stock 14,667 $0.000000 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.