John E Vollmer III

Insider

First SEC filing: April 29, 2005 · Latest: April 29, 2005

On this page

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

PTEN selling May 13, 2008

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 67 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

67 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 2, 2017	PTEN	A	37,862	—	—	800,460 Direct	+4.96%	Acquired	(price as of 2026-08-20)
May 2, 2017	PTEN	A	84,298	—	—	762,598 Direct	+12.43%	Acquired	(price as of 2026-08-20)
April 26, 2016	PTEN	A	189,100	—	—	189,100 Direct	—	Acquired	(price as of 2026-08-20)
April 26, 2016	PTEN	A	48,300	—	—	678,300 Direct	+7.67%	Acquired	(price as of 2026-08-20)
April 21, 2015	PTEN	A	154,200	—	—	154,200 Direct	—	Acquired	(price as of 2026-08-20)
April 21, 2015	PTEN	F	39,574	$20.33	$804,539	630,000 Direct	-5.91%	Disposed	-39.9% (price as of 2026-08-20)
April 21, 2015	PTEN	A	96,000	$20.33	$1,951,680	669,574 Direct	+16.74%	Acquired	-39.9% (price as of 2026-08-20)
April 21, 2015	PTEN	A	44,500	—	—	573,574 Direct	+8.41%	Acquired	(price as of 2026-08-20)
April 25, 2014	PTEN	M	60,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 25, 2014	PTEN	F	45,861	$32.22	$1,477,641	529,074 Direct	-7.98%	Disposed	-62.1% (price as of 2026-08-20)
April 25, 2014	PTEN	M	60,000	$19.14	$1,148,400	574,935 Direct	+11.65%	Acquired	-36.2% (price as of 2026-08-20)
April 22, 2014	PTEN	A	78,500	—	—	78,500 Direct	—	Acquired	(price as of 2026-08-20)
April 22, 2014	PTEN	F	22,024	$33.10	$728,994	514,935 Direct	-4.10%	Disposed	-63.1% (price as of 2026-08-20)
April 22, 2014	PTEN	A	52,500	$33.10	$1,737,750	536,959 Direct	+10.84%	Acquired	-63.1% (price as of 2026-08-20)
April 22, 2014	PTEN	A	42,500	—	—	484,459 Direct	+9.62%	Acquired	(price as of 2026-08-20)
April 22, 2014	PTEN	F	8,041	$33.55	$269,776	441,959 Direct	-1.79%	Disposed	-63.6% (price as of 2026-08-20)
April 22, 2013	PTEN	A	115,000	—	—	115,000 Direct	—	Acquired	(price as of 2026-08-20)
April 22, 2013	PTEN	A	57,500	—	—	450,000 Direct	+14.65%	Acquired	(price as of 2026-08-20)
April 22, 2013	PTEN	F	26,253	$22.88	$600,669	392,500 Direct	-6.27%	Disposed	-46.6% (price as of 2026-08-20)
April 22, 2013	PTEN	A	65,000	$22.88	$1,487,200	418,753 Direct	+18.37%	Acquired	-46.6% (price as of 2026-08-20)
March 29, 2013	PTEN	M	190,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 29, 2013	PTEN	F	154,747	$23.84	$3,689,168	353,753 Direct	-30.43%	Disposed	-48.7% (price as of 2026-08-20)
March 29, 2013	PTEN	M	190,000	$16.22	$3,081,800	508,500 Direct	+59.65%	Acquired	-24.7% (price as of 2026-08-20)
Dec. 31, 2012	PTEN	J	200,000	—	—	200,000 Indirect	—	Acquired	(price as of 2026-08-20)
Dec. 31, 2012	PTEN	J	200,000	—	—	318,500 Direct	-38.57%	Disposed	(price as of 2026-08-20)
April 24, 2012	PTEN	A	160,000	—	—	160,000 Direct	—	Acquired	(price as of 2026-08-20)
April 24, 2012	PTEN	A	48,000	—	—	518,500 Direct	+10.20%	Acquired	(price as of 2026-08-20)
Oct. 31, 2011	PTEN	M	210,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 31, 2011	PTEN	M	210,000	$13.20	$2,772,000	470,500 Direct	+80.61%	Acquired	-7.4% (price as of 2026-08-20)
April 28, 2011	PTEN	F	425	$30.90	$13,132	260,500 Direct	-0.16%	Disposed	-60.5% (price as of 2026-08-20)
April 27, 2011	PTEN	F	6,075	$31.20	$189,540	260,925 Direct	-2.28%	Disposed	-60.8% (price as of 2026-08-20)
April 26, 2011	PTEN	A	69,000	—	—	69,000 Direct	—	Acquired	(price as of 2026-08-20)
April 26, 2011	PTEN	A	47,500	—	—	267,000 Direct	+21.64%	Acquired	(price as of 2026-08-20)
April 27, 2010	PTEN	A	177,500	—	—	177,500 Direct	—	Acquired	(price as of 2026-08-20)
April 27, 2010	PTEN	A	50,000	—	—	219,500 Direct	+29.50%	Acquired	(price as of 2026-08-20)
April 28, 2009	PTEN	A	175,000	—	—	175,000 Direct	—	Acquired	(price as of 2026-08-20)
April 28, 2009	PTEN	A	49,000	—	—	169,500 Direct	+40.66%	Acquired	(price as of 2026-08-20)
May 13, 2008	PTEN	M	190,000	—	—	210,000 Direct	-47.50%	Disposed	(price as of 2026-08-20)
May 13, 2008	PTEN	M	110,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 13, 2008	PTEN	S	300,000	$32.20	$9,660,000	120,500 Direct	-71.34%	Disposed	-62.0% (price as of 2026-08-20)
May 13, 2008	PTEN	M	190,000	$13.20	$2,508,000	420,500 Direct	+82.43%	Acquired	-7.4% (price as of 2026-08-20)
May 13, 2008	PTEN	M	110,000	$8.06	$886,600	230,500 Direct	+91.29%	Acquired	51.6% (price as of 2026-08-20)
April 28, 2008	PTEN	F	4,266	$29.31	$125,036	120,500 Direct	-3.42%	Disposed	-58.3% (price as of 2026-08-20)
April 27, 2008	PTEN	F	2,734	$29.31	$80,134	124,766 Direct	-2.14%	Disposed	-58.3% (price as of 2026-08-20)
April 25, 2008	PTEN	A	119,000	—	—	119,000 Direct	—	Acquired	(price as of 2026-08-20)
April 25, 2008	PTEN	A	47,500	—	—	127,500 Direct	+59.38%	Acquired	(price as of 2026-08-20)
April 23, 2007	PTEN	A	150,000	—	—	150,000 Direct	—	Acquired	(price as of 2026-08-20)
April 23, 2007	PTEN	A	25,000	—	—	80,000 Direct	+45.45%	Acquired	(price as of 2026-08-20)
Aug. 1, 2006	PTEN	A	125,000	—	—	125,000 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 1, 2006	PTEN	A	15,000	—	—	55,000 Direct	+37.50%	Acquired	(price as of 2026-08-20)
April 27, 2005	PTEN	A	75,000	—	—	75,000 Direct	—	Acquired	(price as of 2026-08-20)
April 27, 2005	PTEN	A	15,000	—	—	40,000 Direct	+60.00%	Acquired	(price as of 2026-08-20)
April 7, 2005	PTEN	M	20,000	$2.45	$49,000	45,000 Direct	+80.00%	Acquired	398.8% (price as of 2026-08-20)
April 7, 2005	PTEN	M	40,000	$7.92	$316,800	85,000 Direct	+88.89%	Acquired	54.3% (price as of 2026-08-20)
April 7, 2005	PTEN	M	100,000	$8.06	$806,000	185,000 Direct	+117.65%	Acquired	51.6% (price as of 2026-08-20)
April 7, 2005	PTEN	S	160,000	$26.73	$4,276,800	25,000 Direct	-86.49%	Disposed	-54.3% (price as of 2026-08-20)
April 7, 2005	PTEN	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 7, 2005	PTEN	M	40,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 7, 2005	PTEN	M	100,000	—	—	110,000 Direct	-47.62%	Disposed	(price as of 2026-08-20)
March 22, 2005	PTEN	M	140,000	$2.45	$343,000	165,000 Direct	+560.00%	Acquired	398.8% (price as of 2026-08-20)
March 22, 2005	PTEN	S	140,000	$26.49	$3,708,600	25,000 Direct	-84.85%	Disposed	-53.9% (price as of 2026-08-20)
March 22, 2005	PTEN	M	140,000	—	—	20,000 Direct	-87.50%	Disposed	(price as of 2026-08-20)
April 28, 2004	PTEN	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
April 28, 2004	PTEN	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 13, 2004	PTEN	M	102,100	$4.94	$504,374	102,100 Direct	—	Acquired	394.7% (price as of 2026-08-20)
Feb. 13, 2004	PTEN	M	110,900	$4.91	$544,519	213,000 Direct	+108.62%	Acquired	397.8% (price as of 2026-08-20)
Feb. 13, 2004	PTEN	S	213,000	$35.99	$7,665,870	0 Direct	-100.00%	Disposed	-32.1% (price as of 2026-08-20)
Feb. 13, 2004	PTEN	M	102,100	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 13, 2004	PTEN	M	110,900	—	—	80,000 Direct	-58.09%	Disposed	(price as of 2026-08-20)
Feb. 12, 2004	PTEN	M	35,400	$4.94	$174,876	35,400 Direct	—	Acquired	394.7% (price as of 2026-08-20)
Feb. 12, 2004	PTEN	S	35,400	$36.31	$1,285,374	0 Direct	-100.00%	Disposed	-32.7% (price as of 2026-08-20)
Feb. 12, 2004	PTEN	M	35,400	—	—	102,100 Direct	-25.75%	Disposed	(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
April 26, 2016	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (189,100)	$18.54	April 25, 2026	189,100	Acquired
April 21, 2015	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (154,200)	$20.33	April 20, 2025	154,200	Acquired
April 25, 2014	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (60,000)	$19.14	April 27, 2014	60,000	Disposed
April 22, 2014	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (78,500)	$33.10	April 21, 2024	78,500	Acquired
April 22, 2013	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (115,000)	$22.88	April 21, 2023	115,000	Acquired
March 29, 2013	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (190,000)	$16.22	April 29, 2013	190,000	Disposed
April 24, 2012	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (160,000)	$16.20	April 23, 2022	160,000	Acquired
Oct. 31, 2011	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (210,000)	$13.20	July 17, 2012	210,000	Disposed
April 26, 2011	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (69,000)	$31.20	April 25, 2021	69,000	Acquired
April 27, 2010	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (177,500)	$14.83	April 26, 2020	177,500	Acquired
April 28, 2009	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (175,000)	$13.17	April 27, 2019	175,000	Acquired
May 13, 2008	PTEN	Stock Option (Right to Buy)	Common Stock (190,000)	$13.20	July 17, 2012	190,000	Disposed
May 13, 2008	PTEN	Stock Option (Right to Buy)	Common Stock (110,000)	$8.06	Oct. 22, 2011	110,000	Disposed
April 25, 2008	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (119,000)	$29.31	April 24, 2018	119,000	Acquired
April 23, 2007	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (150,000)	$24.17	April 22, 2017	150,000	Acquired
Aug. 1, 2006	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (125,000)	$28.16	July 31, 2016	125,000	Acquired
April 27, 2005	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (75,000)	$24.63	April 26, 2015	75,000	Acquired
April 7, 2005	PTEN	Stock Option (Right to Buy)	Common Stock (20,000)	$2.45	April 25, 2009	20,000	Disposed
April 7, 2005	PTEN	Stock Option (Right to Buy)	Common Stock (40,000)	$7.92	July 20, 2011	40,000	Disposed
April 7, 2005	PTEN	Stock Option (Right to Buy)	Common Stock (100,000)	$8.06	Oct. 23, 2011	100,000	Disposed
March 22, 2005	PTEN	Stock Option (Right to Buy)	Common Stock (140,000)	$2.45	April 25, 2009	140,000	Disposed
April 28, 2004	PTEN	Stock Option (Right to Buy)	Common Stock, $.01 par value per share (30,000)	$38.28	April 27, 2011	30,000	Acquired
Feb. 13, 2004	PTEN	Stock Option (Right to Buy)	Common Stock (102,100)	$4.94	July 12, 2008	102,100	Disposed
Feb. 13, 2004	PTEN	Stock Option (Right to Buy)	Common Stock (110,900)	$4.91	April 25, 2009	110,900	Disposed
Feb. 12, 2004	PTEN	Stock Option (Right to Buy)	Common Stock (35,400)	$4.94	July 12, 2008	35,400	Disposed

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

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

PTEN

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2017	$413,462	$1,200,000	$2,637,435	—	—	—	$585,800	$4,836,697
2016	$350,000	—	$1,757,844	$915,227	$312,626	—	$10,600	$3,346,297
2012	$350,000	—	—	—	$1,397,022	—	$10,000	$4,299,646

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.