Mark A Reese

Insider

First SEC filing: Aug. 24, 2005 · Latest: Aug. 24, 2005

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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

NOV selling Feb. 21, 2012

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 75 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

75 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 21, 2013	NOV	D	9,000	—	—	35,100 Direct	-20.41%	Disposed	(price as of 2026-08-20)
Feb. 15, 2013	NOV	A	16,000	—	—	44,100 Direct	+56.94%	Acquired	(price as of 2026-08-20)
Feb. 15, 2013	NOV	A	41,150	—	—	41,150 Direct	—	Acquired	(price as of 2026-08-20)
March 21, 2012	NOV	D	24,000	—	—	36,043 Direct	-39.97%	Disposed	(price as of 2026-08-20)
Feb. 21, 2012	NOV	M	13,334	$25.96	$346,151	63,277 Direct	+26.70%	Acquired	-10.5% (price as of 2026-08-20)
Feb. 21, 2012	NOV	S	756	$84.71	$64,041	62,521 Direct	-1.19%	Disposed	-72.6% (price as of 2026-08-20)
Feb. 21, 2012	NOV	S	12,578	$84.70	$1,065,357	49,943 Direct	-20.12%	Disposed	-72.6% (price as of 2026-08-20)
Feb. 21, 2012	NOV	A	10,100	—	—	60,043 Direct	+20.22%	Acquired	(price as of 2026-08-20)
Feb. 21, 2012	NOV	M	13,334	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 21, 2012	NOV	A	29,000	—	—	29,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 17, 2012	NOV	M	11,295	$44.07	$497,771	61,238 Direct	+22.62%	Acquired	-47.3% (price as of 2026-08-20)
Feb. 17, 2012	NOV	S	11,295	$85.58	$966,626	49,943 Direct	-18.44%	Disposed	-72.9% (price as of 2026-08-20)
Feb. 17, 2012	NOV	M	11,295	—	—	11,295 Direct	-50.00%	Disposed	(price as of 2026-08-20)
July 27, 2011	NOV	M	20,000	$64.16	$1,283,200	73,121 Direct	+37.65%	Acquired	-63.8% (price as of 2026-08-20)
July 27, 2011	NOV	S	20,000	$81.00	$1,620,000	53,121 Direct	-27.35%	Disposed	-71.3% (price as of 2026-08-20)
July 27, 2011	NOV	S	3,178	$81.00	$257,418	49,943 Direct	-5.98%	Disposed	-71.3% (price as of 2026-08-20)
July 27, 2011	NOV	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 22, 2011	NOV	M	13,333	$25.96	$346,125	61,099 Direct	+27.91%	Acquired	-10.5% (price as of 2026-08-20)
Feb. 22, 2011	NOV	S	13,333	$80.00	$1,066,640	47,766 Direct	-21.82%	Disposed	-71.0% (price as of 2026-08-20)
Feb. 22, 2011	NOV	F	3,645	$79.80	$290,871	44,121 Direct	-7.63%	Disposed	-70.9% (price as of 2026-08-20)
Feb. 22, 2011	NOV	A	9,000	—	—	53,121 Direct	+20.40%	Acquired	(price as of 2026-08-20)
Feb. 22, 2011	NOV	M	13,333	—	—	13,334 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 22, 2011	NOV	A	24,300	—	—	24,300 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 16, 2011	NOV	M	11,295	$44.07	$497,771	59,061 Direct	+23.65%	Acquired	-47.3% (price as of 2026-08-20)
Feb. 16, 2011	NOV	S	11,295	$81.50	$920,542	47,766 Direct	-19.12%	Disposed	-71.5% (price as of 2026-08-20)
Feb. 16, 2011	NOV	M	11,295	—	—	22,590 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Oct. 27, 2010	NOV	M	20,000	$33.29	$665,800	72,532 Direct	+38.07%	Acquired	-30.2% (price as of 2026-08-20)
Oct. 27, 2010	NOV	M	20,000	$35.22	$704,400	92,532 Direct	+27.57%	Acquired	-34.1% (price as of 2026-08-20)
Oct. 27, 2010	NOV	M	13,333	$25.96	$346,125	105,865 Direct	+14.41%	Acquired	-10.5% (price as of 2026-08-20)
Oct. 27, 2010	NOV	S	4,766	$51.51	$245,497	101,099 Direct	-4.50%	Disposed	-54.9% (price as of 2026-08-20)
Oct. 27, 2010	NOV	S	53,333	$51.27	$2,734,383	47,766 Direct	-52.75%	Disposed	-54.7% (price as of 2026-08-20)
Oct. 27, 2010	NOV	M	13,333	—	—	26,667 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Oct. 27, 2010	NOV	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 27, 2010	NOV	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 26, 2010	NOV	F	5,468	$39.92	$218,283	52,532 Direct	-9.43%	Disposed	-41.8% (price as of 2026-08-20)
Feb. 16, 2010	NOV	A	9,000	—	—	58,000 Direct	+18.37%	Acquired	(price as of 2026-08-20)
Feb. 16, 2010	NOV	A	33,885	—	—	33,885 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 20, 2009	NOV	A	24,000	—	—	53,767 Direct	+80.63%	Acquired	(price as of 2026-08-20)
Feb. 20, 2009	NOV	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 26, 2008	NOV	F	2,733	$54.57	$149,140	29,767 Direct	-8.41%	Disposed	-57.4% (price as of 2026-08-20)
May 9, 2008	NOV	M	10,000	$35.22	$352,200	42,500 Direct	+30.77%	Acquired	-34.1% (price as of 2026-08-20)
May 9, 2008	NOV	S	10,000	$77.51	$775,100	32,500 Direct	-23.53%	Disposed	-70.0% (price as of 2026-08-20)
May 9, 2008	NOV	M	10,000	—	—	20,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 28, 2008	NOV	M	20,000	$18.80	$376,000	52,500 Direct	+61.54%	Acquired	23.5% (price as of 2026-08-20)
Feb. 28, 2008	NOV	M	20,000	$33.29	$665,800	72,500 Direct	+38.10%	Acquired	-30.2% (price as of 2026-08-20)
Feb. 28, 2008	NOV	S	40,000	$65.58	$2,623,200	32,500 Direct	-55.17%	Disposed	-64.6% (price as of 2026-08-20)
Feb. 28, 2008	NOV	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 28, 2008	NOV	M	20,000	—	—	20,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 19, 2008	NOV	A	10,000	—	—	32,500 Direct	+44.44%	Acquired	(price as of 2026-08-20)
Feb. 19, 2008	NOV	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
May 21, 2007	NOV	M	10,000	$66.58	$665,800	21,250 Direct	+88.89%	Acquired	-30.2% (price as of 2026-08-20)
May 21, 2007	NOV	S	10,000	$95.00	$950,000	11,250 Direct	-47.06%	Disposed	-51.1% (price as of 2026-08-20)
May 21, 2007	NOV	M	10,000	—	—	20,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 26, 2007	NOV	A	11,250	—	—	11,250 Direct	—	Acquired	(price as of 2026-08-20)
March 19, 2007	NOV	M	10,000	$28.22	$282,200	10,000 Direct	—	Acquired	64.6% (price as of 2026-08-20)
March 19, 2007	NOV	S	10,000	$75.60	$756,000	0 Direct	-100.00%	Disposed	-38.6% (price as of 2026-08-20)
March 19, 2007	NOV	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 1, 2007	NOV	A	15,000	—	—	15,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 26, 2007	NOV	M	10,000	$37.60	$376,000	10,000 Direct	—	Acquired	23.5% (price as of 2026-08-20)
Feb. 26, 2007	NOV	S	10,000	$70.38	$703,800	0 Direct	-100.00%	Disposed	-34.0% (price as of 2026-08-20)
Feb. 26, 2007	NOV	M	10,000	—	—	10,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
May 8, 2006	NOV	M	10,000	$20.14	$201,400	10,000 Direct	—	Acquired	130.6% (price as of 2026-08-20)
May 8, 2006	NOV	M	10,000	$28.22	$282,200	20,000 Direct	+100.00%	Acquired	64.6% (price as of 2026-08-20)
May 8, 2006	NOV	M	10,000	$37.60	$376,000	30,000 Direct	+50.00%	Acquired	23.5% (price as of 2026-08-20)
May 8, 2006	NOV	S	30,000	$69.01	$2,070,300	0 Direct	-100.00%	Disposed	-32.7% (price as of 2026-08-20)
May 8, 2006	NOV	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 8, 2006	NOV	M	10,000	—	—	10,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
May 8, 2006	NOV	M	10,000	—	—	20,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 21, 2006	NOV	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 22, 2005	NOV	S	1,485	$57.72	$85,714	0 Indirect	-100.00%	Disposed	-19.5% (price as of 2026-08-20)
March 14, 2005	NOV	M	10,000	$28.22	$282,200	10,000 Direct	—	Acquired	64.6% (price as of 2026-08-20)
March 14, 2005	NOV	S	200	$49.47	$9,894	9,800 Direct	-2.00%	Disposed	-6.1% (price as of 2026-08-20)
March 14, 2005	NOV	S	9,800	$49.41	$484,218	0 Direct	-100.00%	Disposed	-6.0% (price as of 2026-08-20)
March 14, 2005	NOV	M	10,000	—	—	20,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 9, 2005	NOV	M	9,629	$40.50	$389,974	9,629 Direct	—	Acquired	14.7% (price as of 2026-08-20)
March 9, 2005	NOV	M	6,667	$18.53	$123,540	16,296 Direct	+69.24%	Acquired	150.6% (price as of 2026-08-20)
March 9, 2005	NOV	M	10,000	$20.14	$201,400	26,296 Direct	+61.36%	Acquired	130.6% (price as of 2026-08-20)
March 9, 2005	NOV	S	196	$48.93	$9,590	26,100 Direct	-0.75%	Disposed	-5.1% (price as of 2026-08-20)
March 9, 2005	NOV	S	300	$48.90	$14,670	25,800 Direct	-1.15%	Disposed	-5.0% (price as of 2026-08-20)
March 9, 2005	NOV	S	25,800	$48.75	$1,257,750	0 Direct	-100.00%	Disposed	-4.7% (price as of 2026-08-20)
March 9, 2005	NOV	M	6,667	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 9, 2005	NOV	M	10,000	—	—	10,000 Direct	-50.00%	Disposed	(price as of 2026-08-20)
March 9, 2005	NOV	M	9,629	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 7, 2005	NOV	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 7, 2005	NOV	A	10,000	—	—	20,000 Direct	+100.00%	Acquired	(price as of 2026-08-20)
Feb. 7, 2005	NOV	A	10,000	—	—	30,000 Direct	+50.00%	Acquired	(price as of 2026-08-20)
Aug. 22, 2004	NOV	S	1,485	$57.72	$85,714	0 Indirect	-100.00%	Disposed	-19.5% (price as of 2026-08-20)
March 11, 2004	NOV	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
March 11, 2004	NOV	A	10,000	—	—	20,000 Direct	+100.00%	Acquired	(price as of 2026-08-20)
March 11, 2004	NOV	A	10,000	—	—	30,000 Direct	+50.00%	Acquired	(price as of 2026-08-20)
March 8, 2004	NOV	M	2,954	$22.56	$66,642	2,954 Direct	—	Acquired	105.9% (price as of 2026-08-20)
March 8, 2004	NOV	M	1,478	$22.56	$33,344	4,432 Direct	+50.03%	Acquired	105.9% (price as of 2026-08-20)
March 8, 2004	NOV	M	10,000	$20.14	$201,400	14,432 Direct	+225.63%	Acquired	130.6% (price as of 2026-08-20)
March 8, 2004	NOV	S	13,800	$30.20	$416,760	632 Direct	-95.62%	Disposed	53.8% (price as of 2026-08-20)
March 8, 2004	NOV	S	200	$30.50	$6,100	432 Direct	-31.65%	Disposed	52.3% (price as of 2026-08-20)
March 8, 2004	NOV	S	432	$30.48	$13,167	0 Direct	-100.00%	Disposed	52.4% (price as of 2026-08-20)
March 8, 2004	NOV	M	10,000	—	—	20,000 Direct	-33.33%	Disposed	(price as of 2026-08-20)
March 8, 2004	NOV	M	2,954	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 8, 2004	NOV	M	1,478	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 25, 2004	NOV	M	13,333	$18.53	$247,060	13,333 Direct	—	Acquired	150.6% (price as of 2026-08-20)

Showing latest 100 of 103 transactions

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
Feb. 15, 2013	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (41,150)	$69.33	Feb. 16, 2023	41,150	Acquired
Feb. 21, 2012	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (13,334)	$25.96	Feb. 21, 2019	13,334	Disposed
Feb. 21, 2012	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (29,000)	$84.58	Feb. 22, 2022	29,000	Acquired
Feb. 17, 2012	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (11,295)	$44.07	Feb. 17, 2020	11,295	Disposed
July 27, 2011	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (20,000)	$64.16	Feb. 20, 2018	20,000	Disposed
Feb. 22, 2011	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (13,333)	$25.96	Feb. 21, 2019	13,333	Disposed
Feb. 22, 2011	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (24,300)	$79.80	Feb. 23, 2021	24,300	Acquired
Feb. 16, 2011	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (11,295)	$44.07	Feb. 17, 2020	11,295	Disposed
Oct. 27, 2010	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (13,333)	$25.96	Feb. 21, 2019	13,333	Disposed
Oct. 27, 2010	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (20,000)	$33.29	Feb. 22, 2016	20,000	Disposed
Oct. 27, 2010	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (20,000)	$35.22	March 2, 2017	20,000	Disposed
Feb. 16, 2010	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (33,885)	$44.07	Feb. 17, 2020	33,885	Acquired
Feb. 20, 2009	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (40,000)	$25.96	Feb. 21, 2019	40,000	Acquired
May 9, 2008	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$35.22	March 2, 2017	10,000	Disposed
Feb. 28, 2008	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (20,000)	$18.80	Feb. 8, 2015	20,000	Disposed
Feb. 28, 2008	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (20,000)	$33.29	Feb. 22, 2016	20,000	Disposed
Feb. 19, 2008	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (20,000)	$64.16	Feb. 20, 2018	20,000	Acquired
May 21, 2007	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$66.58	Feb. 22, 2016	10,000	Disposed
March 19, 2007	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$28.22	March 12, 2014	10,000	Disposed
March 1, 2007	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (15,000)	$70.45	March 2, 2017	15,000	Acquired
Feb. 26, 2007	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$37.60	Feb. 8, 2015	10,000	Disposed
May 8, 2006	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$20.14	Feb. 15, 2013	10,000	Disposed
May 8, 2006	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$28.22	March 12, 2014	10,000	Disposed
May 8, 2006	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$37.60	Feb. 8, 2015	10,000	Disposed
Feb. 21, 2006	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (30,000)	$66.58	Feb. 22, 2016	30,000	Acquired
March 14, 2005	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$28.22	March 12, 2014	10,000	Disposed
March 9, 2005	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (6,667)	$18.53	Jan. 31, 2012	6,667	Disposed
March 9, 2005	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$20.14	Feb. 15, 2013	10,000	Disposed
March 9, 2005	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (9,629)	$40.50	Feb. 15, 2011	9,629	Disposed
Feb. 7, 2005	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$37.60	Feb. 8, 2015	10,000	Acquired
Feb. 7, 2005	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$37.60	Feb. 8, 2015	10,000	Acquired
Feb. 7, 2005	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$37.60	Feb. 8, 2015	10,000	Acquired
March 11, 2004	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$28.22	March 12, 2014	10,000	Acquired
March 11, 2004	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$28.22	March 12, 2014	10,000	Acquired
March 11, 2004	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$28.22	March 12, 2014	10,000	Acquired
March 8, 2004	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (10,000)	$20.14	Feb. 15, 2013	10,000	Disposed
March 8, 2004	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (2,954)	$22.56	Feb. 23, 2010	2,954	Disposed
March 8, 2004	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (1,478)	$22.56	Feb. 23, 2011	1,478	Disposed
Feb. 25, 2004	NOV	Non-Qualified Stock Option (right to buy)	Common Stock (13,333)	$18.53	Jan. 31, 2012	13,333	Disposed

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