Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0002100119-26-001510
Filing Date
2026-07-31
Accepted
2026-07-31 10:47:39
Documents
1
X0202

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13G  
1 primary_doc.xml SCHEDULE 13G 5721
  Complete submission text file 0002100119-26-001510.txt   7671
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. (Subject) CIK: 0000071829 (see all company filings)

EIN.: 721123385 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13G | Act: 34 | File No.: 005-30300 | Film No.: 261226272
SIC: 7350 Services-Miscellaneous Equipment Rental & Leasing
(CF Office: 07 Trade & Services)

Mailing Address 100 VANGUARD BLVD MALVERN PA 19355
Business Address 100 VANGUARD BLVD MALVERN PA 19355 610-669-6148
VANGUARD CAPITAL MANAGEMENT LLC (Filed by) CIK: 0002100119 (see all company filings)

EIN.: 392877419 | State of Incorp.: PA | Fiscal Year End: 1231
LEI: 529900ZEWTRLEJ6XE960
Type: SCHEDULE 13G