PATTERSON UTI ENERGY INC — SC 13D/A Filings
5 SC 13D/A filings on record
This page lists all SC 13D/A filings submitted to the SEC by PATTERSON UTI ENERGY INC (PTEN), sorted by most recent first. Each row links to the full filing on EdgarLookup. PATTERSON UTI ENERGY INC has filed 5 SC 13D/A documents with the SEC since 2009. To view all SEC filings by PATTERSON UTI ENERGY INC, see the full filings list.
All
10-C
10-K
10-K/A
10-K405
10-Q
10-Q/A
10KSB40/A
144
15-12G
3
3/A
4
4/A
424B1
424B2
424B3
424B4
424B5
424B7
425
8-A12B
8-A12B/A
8-A12G
8-K
8-K/A
ARS
CORRESP
D
DEF 14A
DEFA14A
DEFM14A
DEFS14A
EFFECT
FWP
NT 10-K
POS AM
PRE 14A
PRES14A
REGDEX
S-3
S-3/A
S-3ASR
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13D/A | SC 13D/A | 0001193125-21-292110 | Oct 5, 2021 | — |
| SC 13D/A | AMENDMENT TO SCHEDULE 13D | 0000950134-04-001584 | Feb 12, 2004 | — |
| SC 13D/A | PATTERSON-UTI ENERGY, INC. FOR TMBR/SHARP DRILLING | 0000950129-03-002949 | May 27, 2003 | — |
| SC 13D/A | REMY CAPITAL III L.P. FOR PATTERSON-UTI ENERGY | 0000950129-02-005500 | Nov 8, 2002 | — |
| SC 13D/A | PATTERSON-UTI ENERGY, INC. FOR TMBR/SHARP DRILLING | 0000950129-02-005291 | Oct 31, 2002 | — |