MATTHEW LANIGAN - 03 Oct 2025 Form 4 Insider Report for NPK International Inc. (NPKI)

Role: President & CEO, Director
Signature: By: M. Celeste Fruge For: Matthew Lanigan
Issuer symbol: NPKI
Transactions as of: 03 Oct 2025
Net transactions value: $0
Form type: 4
Filing time: 06 Oct 2025, 20:19:43 UTC
Previous filing: 04 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
LANIGAN MATTHEW	President & CEO, Director	9320 LAKESIDE BOULEVARD, SUITE 100, THE WOODLANDS	By: M. Celeste Fruge For: Matthew Lanigan	06 Oct 2025	0001672978

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NPKI	Common Stock	Gift	$0	-770,249	-70%	$0.000000	325,664	03 Oct 2025	Direct	F1
holding	NPKI	Common Stock						770,249	03 Oct 2025	by Trust

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The reported transfer of 770,249 shares reflects a gift of these shares from the reporting person to his living trust, of which the reporting person and his spouse are trustees.