PATTERSON UTI ENERGY INC — SC 13G/A Filings
74 SC 13G/A filings on record
This page lists all SC 13G/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 74 SC 13G/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 13G/A | DOC ONE | 0000315066-11-002834 | Feb 14, 2011 | — |
| SC 13G/A | — | 0001086364-11-003535 | Feb 8, 2011 | — |
| SC 13G/A | DOC ONE | 0000315066-10-001997 | Feb 16, 2010 | — |
| SC 13G/A | DOC ONE | 0000315066-09-002426 | Mar 10, 2009 | — |
| SC 13G/A | DOC ONE | 0000315066-09-002011 | Feb 17, 2009 | — |
| SC 13G/A | — | 0000913414-08-004530 | Jul 9, 2008 | — |
| SC 13G/A | DOC ONE | 0000315066-08-002815 | Jun 10, 2008 | — |
| SC 13G/A | — | 0000913414-08-004508 | Jun 4, 2008 | — |
| SC 13G/A | DOC ONE | 0000315066-05-000945 | Feb 14, 2005 | — |
| SC 13G/A | DOC ONE | 0000315066-04-000901 | Feb 17, 2004 | — |
| SC 13G/A | PATTERSON UTI ENERGY INC., AMENDMENT NO. 1 | 0000950152-03-000543 | Jan 22, 2003 | — |
| SC 13G/A | A I M MANAGEMENT GROUP INC. FOR PATTERSON-UTI | 0000950129-01-502356 | Aug 8, 2001 | — |
| SC 13G/A | AIM MANAGEMENT GROUP INC. FOR PATTERSON-UTI ENERGY | 0000950129-01-501858 | Jul 10, 2001 | — |
| SC 13G/A | AIM MANAGEMENT GROUP INC FOR PATTERSON ENERGY INC. | 0000950129-01-000713 | Feb 9, 2001 | — |
| SC 13G/A | — | 0000935836-00-000170 | Feb 17, 2000 | — |
| SC 13G/A | AMENDMENT TO SCHEDULE 13G | 0000810717-99-000085 | Dec 9, 1999 | — |
| SC 13G/A | — | 0000912057-98-000545 | Feb 12, 1998 | — |
| SC 13G/A | AMENDMENT TO SCHEDULE 13G | 0000943152-98-000098 | Feb 12, 1998 | — |
| SC 13G/A | — | 0000728618-98-000007 | Jan 21, 1998 | — |
| SC 13G/A | AMENDMENT NO. 1 TO SCHEDULE 13G-CLOYCE A. TALBOTT | 0000950134-97-007630 | Oct 24, 1997 | — |
| SC 13G/A | AMENDMENT NO. 1 TO SCHEDULE 13G-TALBOTT FAMILY | 0000950134-97-007631 | Oct 24, 1997 | — |
| SC 13G/A | — | 0000728618-97-000080 | Feb 13, 1997 | — |
| SC 13G/A | — | 0000068100-96-000321 | Feb 15, 1996 | — |
| SC 13G/A | — | 0000068100-95-000172 | Feb 15, 1995 | — |