NPKI affiliate files Form 144 noting RSUs and 10b5-1 sale

NPKI affiliate filed a Form 144 reporting proposed sales of Common stock.

Rhea-AI Filing Summary

NPKI affiliate filed a Form 144 reporting proposed sales of Common stock. The filing names Morgan Stanley Smith Barney LLC Executive Financial Services as the filer and references Restricted Stock Units with an effective date of 05/16/2025. The excerpt also lists 10b5-1 sales for Michael Lewis on 02/23/2026.

Insights

Insider Transactions Specialist

Notice-of-sale filing lists RSUs and a 10b5-1 sale by an affiliate.

The filing excerpt identifies the filer as Morgan Stanley Smith Barney LLC Executive Financial Services and references Restricted Stock Units dated 05/16/2025. It also records 10b5-1 sales attributed to Michael Lewis on 02/23/2026.

Cash‑flow treatment and aggregate number of shares proposed for sale are not explicitly tied together in the provided excerpt; subsequent filings or the complete Form 144 would clarify amounts, methods, and who receives proceeds.

Key Figures

Numeric entry: 84447036 Numeric entry: 31624.23 10b5-1 sales amount: 28796.37 +1 more

4 metrics

Numeric entry 84447036 listed in the filing excerpt

Numeric entry 31624.23 listed in the filing excerpt

10b5-1 sales amount 28796.37 10b5-1 Sales for Michael Lewis on 02/23/2026

Restricted Stock Units date 05/16/2025 RSUs referenced with issuer designation

Key Terms

Restricted Stock Units, 10b5-1, Issuer

3 terms

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 05/16/2025"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

10b5-1 regulatory

"10b5-1 Sales for MICHAEL LEWIS | Common | 02/23/2026"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Issuer regulatory

"Restricted Stock Units | Issuer | 05/16/2025"

FAQ

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

What does NPKI's Form 144 show about who filed the notice?

The filing lists Morgan Stanley Smith Barney LLC Executive Financial Services as the filer. The excerpt also associates the notice with the issuer's Common stock and references Restricted Stock Units dated 05/16/2025.

Does the excerpt show any insider sales and their dates for NPKI?

Yes. The excerpt records 10b5-1 sales for Michael Lewis on 02/23/2026. The filing also lists a securities-related date of 05/16/2025 tied to Restricted Stock Units in the excerpt.

What securities are mentioned in the NPKI Form 144 excerpt?

The excerpt references Common stock and Restricted Stock Units. It identifies the market as NYSE and includes the filer and dates tied to the RSUs and a 10b5-1 sale.

Are share quantities or proceeds recipients clearly stated in the excerpt?

The excerpt contains numeric entries such as 84447036, 31624.23, and 28796.37, but it does not explicitly label which of these figures are aggregate shares offered or proceeds recipients within the provided text.

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

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Accepted by SEC EDGAR 05/15/2026 - 04:24 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001423238
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	NPK International Inc.
SEC File Number	001-02960
Address of Issuer	9320 Lakeside Boulevard, Suite 100 The Woodlands TEXAS 77381
Phone	2813626800
Name of Person for Whose Account the Securities are To Be Sold	MICHAEL LEWIS
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	2013	31624.23	84447036	05/15/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	05/16/2025	Restricted Stock Units	Issuer			2013	05/16/2025	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for MICHAEL LEWIS 9320 Lakeside Boulevard, Suite 100 The Woodlands TX 77381	Common	02/23/2026	2013	28796.37

144: Remarks and Signature

Remarks
Date of Notice	05/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/07/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Michael Lewis
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)