[144] NPK International Inc. SEC Filing

Rhea-AI Filing Summary

NPK International Inc. (NPKI) reported a Form 144 notice for the proposed sale of 10,108 common shares held as restricted stock units, acquired on 09/01/2024. The sale is planned through Morgan Stanley Smith Barney LLC on 10/01/2025 with an aggregate market value listed at $114,321.48, and the company has 84,432,766 shares outstanding.

The filing also discloses two prior 10b5-1 sales by the same person, LORI BRIGGS: 8,005 shares sold on 07/09/2025 for $68,583.64 and 8,005 shares sold on 08/11/2025 for $76,147.56. The filer affirms there is no undisclosed material information and indicates the shares were acquired as restricted stock units from the issuer.

Positive

• Transparency: The filer discloses broker, exact share counts, acquisition method (RSUs), and prior 10b5-1 sales.
• Limited market impact: Proposed sale of 10,108 shares represents a very small fraction of the 84,432,766 outstanding shares.

Negative

• Insider selling: Multiple recent 10b5-1 sales (8,005 shares on 07/09/2025 and 8,005 shares on 08/11/2025) may be viewed negatively by some investors.
• Missing plan adoption date: The filing does not explicitly state the date of adoption for any 10b5-1 plan within the remarks section, which limits confirmation of plan timing from this notice alone.

Insights

Financial Analyst

TL;DR: Insider plans to sell a modest number of RSU shares; transaction size is immaterial relative to total shares outstanding.

The notice shows a proposed sale of 10,108 shares derived from restricted stock units granted 09/01/2024. Relative to the 84.43 million shares outstanding, this represents approximately 0.012% of the float, indicating the transaction is unlikely to materially affect share supply or valuation. Recent 10b5-1 sales (two blocks of 8,005 shares each in July and August 2025) show an ongoing structured disposition program rather than a single large liquidation. For investors, the key takeaway is transparency of insider selling, but the magnitude appears negligible for market impact.

Compliance / Risk Analyst

TL;DR: Filing adheres to Rule 144 disclosure and references 10b5-1 activity; no red flags on its face but plan adoption date is not shown.

The Form 144 discloses the broker, share counts, acquisition method (RSUs), and prior 10b5-1 sales, which supports compliance with required reporting. The filing text includes the customary representation that no material nonpublic information is known. The document does not specify a plan adoption date within the remarks section; if a 10b5-1 plan controls sales timing, that date is typically included to confirm affirmative defenses. Absence of that date in this filing is a note for record completeness, though the 10b5-1 label on prior sales is explicitly stated.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	10108	114321.48	84432766	10/01/2025	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	09/01/2024	Restricted Stock Units	Issuer			10108	09/01/2024	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 LORI BRIGGS 9320 Lakeside Boulevard Suite 100 The Woodlands TX 77381	Common	08/11/2025	8005	76147.56
10b5-1 Sales for LORI BRIGGS 9320 Lakeside Boulevard Suite 100 The Woodlands TX 77381	Common	07/09/2025	8005	68583.64

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 for NPKI report?

The notice reports a proposed sale of 10,108 common shares acquired as restricted stock units, to be sold via Morgan Stanley Smith Barney LLC on 10/01/2025 with aggregate market value $114,321.48.

Who is the person selling shares in the filing?

The filing identifies prior 10b5-1 sales for LORI BRIGGS and the securities to be sold are for a person whose prior 10b5-1 sales (07/09/2025 and 08/11/2025) are listed; the proposed sale relates to shares acquired as RSUs from the issuer.

How large is the proposed sale relative to NPKI's outstanding shares?

The proposed sale of 10,108 shares is approximately 0.012% of the reported 84,432,766 shares outstanding, indicating immaterial size versus the total share count.

Were there recent sales by the same insider?

Yes. The filing lists two 10b5-1 sales of 8,005 shares on 07/09/2025 (gross proceeds $68,583.64) and 08/11/2025 (gross proceeds $76,147.56).

How were the shares to be sold originally acquired?

The securities were acquired on 09/01/2024 as Restricted Stock Units from the issuer; payment was not applicable.