Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000102909-26-002078
Filing Date
2026-03-27
Accepted
2026-03-27 11:21:40
Documents
1
X0202

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13G/A  
1 primary_doc.xml SCHEDULE 13G/A 5517
  Complete submission text file 0000102909-26-002078.txt   7328
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address 100 VANGUARD BLVD MALVERN PA 19355 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

EIN.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SCHEDULE 13G/A

Mailing Address 10713 WEST SAM HOUSTON PARKWAY NORTH SUITE 800 HOUSTON TX 77064
Business Address 10713 WEST SAM HOUSTON PARKWAY NORTH SUITE 800 HOUSTON TX 77064 2817657100
PATTERSON UTI ENERGY INC (Subject) CIK: 0000889900 (see all company filings)

EIN.: 752504748 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13G/A | Act: 34 | File No.: 005-44095 | Film No.: 26802937
SIC: 1381 Drilling Oil & Gas Wells
(CF Office: 01 Energy & Transportation)