Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000071829-25-000081
Filing Date
2025-05-20
Accepted
2025-05-20 16:17:58
Documents
1
Period of Report
2025-05-19

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgardoc.html 4  
1 PRIMARY DOCUMENT edgardoc.xml 4 3520
  Complete submission text file 0000071829-25-000081.txt   5184
Mailing Address 9320 LAKESIDE BOULEVARD SUITE 100 THE WOODLANDS TX 77381
Business Address 9320 LAKESIDE BOULEVARD SUITE 100 THE WOODLANDS TX 77381 281-362-6800
NPK International Inc. (Issuer) CIK: 0000071829 (see all company filings)

EIN.: 721123385 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 3533 Oil & Gas Field Machinery & Equipment
(CF Office: 01 Energy & Transportation)

Mailing Address 5425 WICKFORD DRIVE NORTH BETHESDA MD 20852
Business Address
Meer Claudia Michel (Reporting) CIK: 0001844492 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-02960 | Film No.: 25969026