Robert C Gist

Insider

First SEC filing: Jan. 5, 2006 · Latest: Jan. 5, 2006

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

PTEN selling March 26, 2007

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 12 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

12 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 26, 2007	PTEN	J	0	—	—	57,772 Direct	0.00%	Disposed	(price as of 2026-08-20)
March 26, 2007	PTEN	S	1,578	$23.11	$36,468	37,772 Direct	-4.01%	Disposed	-47.1% (price as of 2026-08-20)
March 26, 2007	PTEN	S	100	$23.12	$2,312	39,350 Direct	-0.25%	Disposed	-47.1% (price as of 2026-08-20)
March 26, 2007	PTEN	S	1,200	$23.13	$27,756	39,450 Direct	-2.95%	Disposed	-47.2% (price as of 2026-08-20)
March 26, 2007	PTEN	S	3,637	$23.19	$84,342	40,650 Direct	-8.21%	Disposed	-47.3% (price as of 2026-08-20)
March 26, 2007	PTEN	S	3,485	$23.20	$80,852	44,287 Direct	-7.30%	Disposed	-47.3% (price as of 2026-08-20)
March 22, 2007	PTEN	J	0	—	—	57,772 Direct	0.00%	Disposed	(price as of 2026-08-20)
March 22, 2007	PTEN	S	10,000	$23.16	$231,600	47,772 Direct	-17.31%	Disposed	-47.2% (price as of 2026-08-20)
Jan. 3, 2007	PTEN	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 3, 2007	PTEN	A	3,000	—	—	57,772 Direct	+5.48%	Acquired	(price as of 2026-08-20)
Dec. 14, 2006	PTEN	M	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 14, 2006	PTEN	S	15,000	$26.20	$393,000	54,772 Direct	-21.50%	Disposed	-53.4% (price as of 2026-08-20)
Dec. 14, 2006	PTEN	M	15,000	$11.66	$174,900	69,772 Direct	+27.39%	Acquired	4.8% (price as of 2026-08-20)
Jan. 3, 2006	PTEN	A	3,000	—	—	54,772 Direct	+5.79%	Acquired	(price as of 2026-08-20)
Jan. 3, 2006	PTEN	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
May 26, 2005	PTEN	M	8,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 26, 2005	PTEN	S	2,000	$25.08	$50,160	51,772 Direct	-3.72%	Disposed	-51.3% (price as of 2026-08-20)
May 26, 2005	PTEN	S	1,000	$25.10	$25,100	53,772 Direct	-1.83%	Disposed	-51.3% (price as of 2026-08-20)
May 26, 2005	PTEN	M	8,000	$11.09	$88,720	54,772 Direct	+17.10%	Acquired	10.2% (price as of 2026-08-20)
Dec. 31, 2004	PTEN	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 31, 2003	PTEN	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Jan. 3, 2007	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (10,000)	$21.95	Jan. 2, 2017	10,000	Acquired
Dec. 14, 2006	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (15,000)	$11.66	Dec. 31, 2006	15,000	Disposed
Jan. 3, 2006	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (10,000)	$34.24	Jan. 2, 2016	10,000	Acquired
May 26, 2005	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (8,000)	$11.09	June 6, 2005	8,000	Disposed
Dec. 31, 2004	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (20,000)	$19.45	Dec. 30, 2009	20,000	Acquired
Dec. 31, 2003	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (10,000)	$32.93	—	10,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).