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PTEN - As of 06/24/24, 10:36:22 PM: 41 Insider Transactions. Sector: Oil & Gas Industry: Oil & Gas Drilling & Exploration Prev Close:$21.67 Avg Vol(3m): 3,742,320 P/E: 0.00 EPS: -2.54 Email this page to a friend. Insider Transactions for PTEN

Buy/Sell*	Filed Date	Subject	Symbol	Acquirer	Pct Owned	Details
S	2020-08-06 18:00:06.0	PATTERSON UTI ENERGY INC	PTEN	VANGUARD GROUP INC	10.59%	view
B	2020-02-13 18:00:04.0	PATTERSON UTI ENERGY INC	PTEN	RENAISSANCE TECHNOLOGIES LLC	5.89%	view
S	2020-02-12 11:52:51.0	PATTERSON UTI ENERGY INC	PTEN	VANGUARD GROUP INC	8.82%	view
B	2020-02-04 12:16:12.0	PATTERSON UTI ENERGY INC	PTEN	BlackRock Inc	10.0%	view
B	2019-02-11 17:33:30.0	PATTERSON UTI ENERGY INC	PTEN	BlackRock Inc	9.6%	view
S	2018-02-09 13:43:21.0	PATTERSON UTI ENERGY INC	PTEN	DIMENSIONAL FUND ADVISORS LP	3.86%	view
B	2018-02-08 12:09:38.0	PATTERSON UTI ENERGY INC	PTEN	WELLINGTON MANAGEMENT GROUP LLP	9.3%	view
S	2017-02-10 15:14:37.0	PATTERSON UTI ENERGY INC	PTEN	VANGUARD GROUP INC	7.5%	view
B	2017-02-09 08:28:45.0	PATTERSON UTI ENERGY INC	PTEN	DIMENSIONAL FUND ADVISORS LP	8.5%	view
B	2016-02-11 14:22:38.0	PATTERSON UTI ENERGY INC	PTEN	VANGUARD GROUP INC	7.05%	view
B	2016-02-02 08:09:33.0	PATTERSON UTI ENERGY INC	PTEN	BlackRock Inc	7.6%	view
S	2015-02-11 12:13:42.0	PATTERSON UTI ENERGY INC	PTEN	Artisan Partners Limited Partnership	5.8%	view
B	2015-01-26 17:17:54.0	PATTERSON UTI ENERGY INC	PTEN	WELLINGTON MANAGEMENT GROUP LLP	10.93%	view
B	2014-03-24 07:15:33.0	PATTERSON UTI ENERGY INC	PTEN	WELLINGTON MANAGEMENT CO LLP	7.0%	view
B	2014-01-30 07:53:34.0	PATTERSON UTI ENERGY INC	PTEN	WELLINGTON MANAGEMENT CO LLP	8.28%	view
B	2013-02-07 08:05:03.0	PATTERSON UTI ENERGY INC	PTEN	BlackRock Inc	6.59%	view
B	2011-09-12 16:30:09.0	PATTERSON UTI ENERGY INC	PTEN	FMR LLC	9.43%	view
B	2011-02-08 08:50:00.0	PATTERSON UTI ENERGY INC	PTEN	BlackRock Inc	9.24%	view
B	2009-03-10 12:48:49.0	PATTERSON UTI ENERGY INC	PTEN	First Pacific Advisors	7.4%	view
S	2008-07-09 14:54:11.0	PATTERSON UTI ENERGY INC	PTEN	FMR LLC	n/a	view
S	2008-06-04 16:21:17.0	PATTERSON UTI ENERGY INC	PTEN	FMR LLC	n/a	view
B	2008-02-12 17:04:34.0	PATTERSON UTI ENERGY INC	PTEN	LSV ASSET MANAGEMENT	5.23%	view
B	2008-02-05 18:02:57.0	PATTERSON UTI ENERGY INC	PTEN	First Pacific Advisors	5.6%	view
S	2007-01-23 16:41:29.0	PATTERSON UTI ENERGY INC	PTEN	FIRST PACIFIC ADVISORS INC	4.3%	view
B	2006-01-26 00:00:00.0	PATTERSON UTI ENERGY INC	PTEN	BARCLAYS PLC	0.0%	view
S	2005-12-12 00:00:00.0	PATTERSON UTI ENERGY INC	PTEN	FMR CORP	n/a	view
S	2005-02-11 00:00:00.0	PATTERSON UTI ENERGY INC	PTEN	FMR CORP	n/a	view
B	2004-02-12 00:00:00.0	PATTERSON UTI ENERGY INC	PTEN	FIRST PACIFIC ADVISORS INC	5.3%	view
S	2003-02-14 00:00:00.0	PATTERSON UTI ENERGY INC	PTEN	MELLON FINANCIAL CORP	3.4%	view
B	2002-11-08 00:00:00.0	PATTERSON UTI ENERGY INC	PTEN	REMY CAPITAL PARTNERS III L P	6.52%	view
S	2001-09-27 00:00:00.0	PATTERSON UTI ENERGY INC	PTEN	REMY CAPITAL PARTNERS III L P	4.3%	view
B	2001-07-10 00:00:00.0	PATTERSON UTI ENERGY INC	PTEN	A I M MANAGEMENT GROUP INC	5.6%	view
B	2001-02-09 00:00:00.0	PATTERSON ENERGY INC	PTEN	A I M MANAGEMENT GROUP INC	8.5%	view
B	2000-02-17 00:00:00.0	PATTERSON ENERGY INC	PTEN	SNYDER HOLDINGS INC	0.0%	view
S	1999-02-05 00:00:00.0	PATTERSON ENERGY INC	PTEN	SNYDER HOLDINGS INC	9.71%	view
S	1998-02-12 00:00:00.0	PATTERSON ENERGY INC	PTEN	STATE STREET RESEARCH & MANAGEMENT CO	0.0%	view
B	1998-01-21 00:00:00.0	PATTERSON ENERGY INC	PTEN	PILGRIM BAXTER & ASSOCIATES LTD	9.71%	view
B	1997-10-24 00:00:00.0	PATTERSON ENERGY INC	PTEN	TALBOTT CLOYCE A	n/a	view
S	1997-02-14 00:00:00.0	PATTERSON ENERGY INC	PTEN	STATE STREET RESEARCH & MANAGEMENT CO	9.32%	view
B	1996-02-15 00:00:00.0	PATTERSON ENERGY INC	PTEN	STATE STREET RESEARCH ET AL	9.62%	view
B	1996-02-13 00:00:00.0	PATTERSON ENERGY INC	PTEN	MORGAN J P & CO INC	6.1%	view

* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.