Notice of Proposed Sale · 144
NPK International Inc.
NPKINYSEEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- NPK INTERNATIONAL, INC.
- Issuer CIK
- 0000071829
- SEC file number
- 001-02960
- Phone
- 2813626800
- Person for whose account securities are to be sold
- MATTHEW WARREN
- Relationships to issuer
- Officer
- Street
- 9320 Lakeside Boulevard, Suite 100
- City
- The Woodlands
- State / country code
- TX
- Postal code
- 77381
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Common | 2,991 | 40,378.50 | 84,909,894 | 09/09/2026 | NYSE | Morgan Stanley Smith Barney LLC Executive Financial Services |
Broker / market maker — proposed row 1, entry 1
- Name
- Morgan Stanley Smith Barney LLC Executive Financial Services
- Street
- 1 New York Plaza
- Street (continued)
- 8th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10004
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Common | 06/01/2024 | Restricted Stock Units | Issuer | 2,991 | N | 06/01/2024 | N/A |
Prior-sale reporting
- Nothing to report for the preceding three months
- Y
Notice signature
- Notice date
- 09/09/2026
- Signed
- /s/ Matthew Warren
- Plan adoption dates
- 12/17/2025
Company context
NPK International Inc. is a worksite access solutions company that manufactures, sells, and rents recyclable composite matting products, along with a full suite of services, including planning, logistics, and site restoration. The Company delivers superior quality and reliability across critical infrastructure markets, including electrical transmission and distribution, oil and gas exploration, pipeline, renewable energy, petrochemical, construction, and other industries. For more information, visit our website at npki.com.
Current securities
Recent company filings
- Regulation FD DisclosureOct 30, 2026
- 10-Q filingOct 30, 2026
- Results of Operations and Financial ConditionOct 29, 2026
- Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsSep 14, 2026
- Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsSep 2, 2026