Lori Briggs - 01 Jun 2025 Form 4 Insider Report for NPK International Inc. (NPKI)

Role
VP & President, Ind. Solutions
Signature
By: M. Celeste Fruge For: Lori Briggs
Issuer symbol
NPKI
Transactions as of
01 Jun 2025
Net transactions value
-$205,195
Form type
4
Filing time
03 Jun 2025, 18:21:54 UTC
Previous filing
16 May 2025
Next filing
10 Jun 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Briggs Lori VP & President, Ind. Solutions 9320 LAKESIDE BOULEVARD, SUITE 100, THE WOODLANDS By: M. Celeste Fruge For: Lori Briggs 03 Jun 2025 0001880836

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NPKI Common Stock Options Exercise $0 +26,396 +10% $0.000000 279,359 01 Jun 2025 Direct F1
transaction NPKI Common Stock Options Exercise $0 +24,340 +8.7% $0.000000 303,699 01 Jun 2025 Direct F1
transaction NPKI Common Stock Tax liability $43,694 -5,401 -1.8% $8.09 298,298 01 Jun 2025 Direct F2
transaction NPKI Common Stock Tax liability $77,478 -9,577 -3.2% $8.09 288,721 01 Jun 2025 Direct F2
transaction NPKI Common Stock Tax liability $84,023 -10,386 -3.6% $8.09 278,335 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 -26,396 -35% $0.000000 48,680 01 Jun 2025 Common Stock 26,396 $0.000000 Direct F1, F3
transaction NPKI Restricted Stock Units Options Exercise $0 -24,340 -50% $0.000000 24,340 01 Jun 2025 Common Stock 24,340 $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.