NPK International director receives 6,614-share stock grant

Pederson Kristen J. reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Pederson Kristen J. reported acquisition or exercise transactions in this Form 4 filing.

NPK International Inc. director Kristen J. Pederson received a grant of 6,614 shares of common stock on July 28, 2026, at a reported price of $0.0000 per share as a pro-rated portion of the non-employee director’s annual equity retainer. According to the report, these shares vest on the earlier of the first anniversary of the grant date or the day before the next annual stockholders meeting, and Pederson is shown as directly holding 6,614 shares following the award, subject to this vesting schedule.

Insider Trade Summary

Grant/Award: 6,614 shares

Grant/Award 1 txn

Insider Pederson Kristen J.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	6,614	$0.00	$0.00

Holdings After Transaction: Common Stock — 6,614 shares (Direct)

Footnotes (1)

1. F1. Represents pro-rated portion of non-employee director's annual equity retainer. The shares will vest on the earlier of the first anniversary of the date of grant or the day priopr to the next annual stockholders meeting.

Key Figures

Shares granted: 6,614 shares Price per share: $0.0000 per share Shares held after transaction: 6,614 shares

3 metrics

Shares granted 6,614 shares Common stock award to director Kristen J. Pederson on July 28, 2026

Price per share $0.0000 per share Reported transaction price for the 6,614-share equity grant

Shares held after transaction 6,614 shares Direct holdings reported following the grant

Key Terms

non-employee director, annual equity retainer, vest

3 terms

non-employee director financial

"Represents pro-rated portion of non-employee director's annual equity retainer."

annual equity retainer financial

"Represents pro-rated portion of non-employee director's annual equity retainer."

vest financial

"The shares will vest on the earlier of the first anniversary of the date of grant"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did NPK International (NPKI) report for Kristen J. Pederson?

Kristen J. Pederson received an equity award of 6,614 common shares of NPK International on July 28, 2026. The grant is compensation for board service, not an open-market purchase, and is part of her non-employee director annual equity retainer.

How many shares does the NPKI director hold after this reported grant?

After the reported award, Kristen J. Pederson is shown as directly holding 6,614 shares of NPK International common stock. This reflects the full grant amount, which is subject to vesting conditions tied to her non-employee director equity retainer.

What is the vesting schedule for Kristen J. Pederson’s NPKI stock grant?

The 6,614-share grant vests on the earlier of the first anniversary of the grant date or the day before NPK International’s next annual stockholders meeting. Until vesting, the award remains subject to these time-based service conditions as described.

Was Kristen J. Pederson’s NPKI stock grant made under a Rule 10b5-1 trading plan?

The filing indicates the Rule 10b5-1 checkbox is not marked for this transaction. That means this equity award was not reported as being made pursuant to a pre-arranged Rule 10b5-1 trading plan for trading or disposition of shares.

Did the NPKI director pay any price per share for this stock award?

The Form 4 reports a transaction price of $0.0000 per share for the 6,614-share grant. This reflects a compensatory equity award for service as a non-employee director rather than a purchase in the market for cash consideration.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/29/2026 - 04:39 PM Accepted by SEC EDGAR 07/29/2026 - 04:38 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Pederson Kristen J.

(Last) (First) (Middle)

9320 LAKESIDE BOULEVARD

SUITE 100

(Street)

THE WOODLANDS TEXAS 77381

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
NPK International Inc. [ NPKI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/28/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	07/28/2026		A		6,614(1)	A	$0.0	6,614	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents pro-rated portion of non-employee director's annual equity retainer. The shares will vest on the earlier of the first anniversary of the date of grant or the day priopr to the next annual stockholders meeting.

	By: M. Celeste Fruge For: Kristen J. Pederson	07/29/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)