William R. Thomas

Insider

First SEC filing: Nov. 3, 2015 · Latest: Nov. 3, 2015

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 98 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

98 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 20, 2026	NOV	A	9,457	—	—	101,166 Direct	+10.31%	Acquired	(price as of 2026-08-20)
May 20, 2025	NOV	A	15,949	—	—	91,709 Direct	+21.05%	Acquired	(price as of 2026-08-20)
May 15, 2024	NOV	A	9,550	—	—	75,760 Direct	+14.42%	Acquired	(price as of 2026-08-20)
May 17, 2023	NOV	A	12,000	—	—	66,210 Direct	+22.14%	Acquired	(price as of 2026-08-20)
Aug. 18, 2022	EOG	M	69,969	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 18, 2022	EOG	F	4,816	$116.70	$562,027	720,118 Direct	-0.66%	Disposed	31.1% (price as of 2026-08-20)
Aug. 18, 2022	EOG	D	57,732	$116.70	$6,737,324	724,934 Direct	-7.38%	Disposed	31.1% (price as of 2026-08-20)
Aug. 18, 2022	EOG	M	69,969	$96.29	$6,737,315	782,666 Direct	+9.82%	Acquired	58.9% (price as of 2026-08-20)
June 7, 2022	EOG	M	45,815	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 7, 2022	EOG	F	1,960	$142.49	$279,280	712,697 Direct	-0.27%	Disposed	7.4% (price as of 2026-08-20)
June 7, 2022	EOG	D	40,835	$142.49	$5,818,579	714,657 Direct	-5.41%	Disposed	7.4% (price as of 2026-08-20)
June 7, 2022	EOG	M	45,815	$127.00	$5,818,505	755,492 Direct	+6.46%	Acquired	20.5% (price as of 2026-08-20)
May 24, 2022	NOV	A	8,473	—	—	54,210 Direct	+18.53%	Acquired	(price as of 2026-08-20)
April 25, 2022	EOG	A	1,610	—	—	709,677 Direct	+0.23%	Acquired	(price as of 2026-08-20)
March 30, 2022	EOG	F	11,266	$121.09	$1,364,200	708,067 Direct	-1.57%	Disposed	26.4% (price as of 2026-08-20)
March 30, 2022	EOG	F	11,266	$121.09	$1,364,200	719,333 Direct	-1.54%	Disposed	26.4% (price as of 2026-08-20)
March 30, 2022	EOG	F	7,359	$121.09	$891,101	730,599 Direct	-1.00%	Disposed	26.4% (price as of 2026-08-20)
March 16, 2022	EOG	M	64,133	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 16, 2022	EOG	F	8,683	$112.24	$974,580	737,958 Direct	-1.16%	Disposed	36.3% (price as of 2026-08-20)
March 16, 2022	EOG	D	39,672	$112.24	$4,452,785	746,641 Direct	-5.05%	Disposed	36.3% (price as of 2026-08-20)
March 16, 2022	EOG	M	64,133	$69.43	$4,452,754	786,313 Direct	+8.88%	Acquired	120.4% (price as of 2026-08-20)
Feb. 8, 2022	EOG	A	18,700	—	—	722,180 Direct	+2.66%	Acquired	(price as of 2026-08-20)
Sept. 29, 2021	EOG	F	24,760	$82.57	$2,044,433	703,479 Direct	-3.40%	Disposed	85.3% (price as of 2026-08-20)
Sept. 27, 2021	EOG	F	6,661	$81.81	$544,936	728,239 Direct	-0.91%	Disposed	87.0% (price as of 2026-08-20)
Sept. 20, 2021	EOG	G	1	—	—	703,480 Direct	0.00%	Acquired	(price as of 2026-08-20)
June 30, 2021	EOG	A	250	$42.38	$10,595	734,900 Direct	+0.03%	Acquired	261.1% (price as of 2026-08-20)
May 19, 2021	NOV	A	9,819	—	—	45,737 Direct	+27.34%	Acquired	(price as of 2026-08-20)
Feb. 28, 2021	EOG	F	11,718	$64.56	$756,514	734,650 Direct	-1.57%	Disposed	137.0% (price as of 2026-08-20)
Feb. 9, 2021	EOG	A	35,698	—	—	746,368 Direct	+5.02%	Acquired	(price as of 2026-08-20)
Dec. 31, 2020	EOG	A	86	$42.38	$3,645	710,670 Direct	+0.01%	Acquired	261.1% (price as of 2026-08-20)
Dec. 15, 2020	EOG	F	1,180	$53.16	$62,729	710,584 Direct	-0.17%	Disposed	187.8% (price as of 2026-08-20)
Sept. 28, 2020	EOG	F	29,911	$37.44	$1,119,868	651,436 Direct	-4.39%	Disposed	308.7% (price as of 2026-08-20)
Sept. 28, 2020	EOG	A	31,628	—	—	683,064 Direct	+4.86%	Acquired	(price as of 2026-08-20)
Sept. 28, 2020	EOG	A	46,494	—	—	46,494 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 25, 2020	EOG	F	10,156	$37.45	$380,342	681,347 Direct	-1.47%	Disposed	308.6% (price as of 2026-08-20)
June 30, 2020	EOG	A	246	$43.06	$10,593	691,503 Direct	+0.04%	Acquired	255.4% (price as of 2026-08-20)
May 20, 2020	NOV	A	12,462	—	—	35,918 Direct	+53.13%	Acquired	(price as of 2026-08-20)
Feb. 11, 2020	EOG	F	7,839	$74.79	$586,279	691,257 Direct	-1.12%	Disposed	104.6% (price as of 2026-08-20)
Feb. 11, 2020	EOG	A	64,262	—	—	699,096 Direct	+10.12%	Acquired	(price as of 2026-08-20)
Jan. 2, 2020	EOG	J	100,000	$84.08	$8,408,000	634,834 Direct	+18.70%	Acquired	82.0% (price as of 2026-08-20)
Jan. 2, 2020	EOG	J	100,000	$84.08	$8,408,000	0 Indirect	-100.00%	Disposed	82.0% (price as of 2026-08-20)
Dec. 31, 2019	EOG	A	135	$71.20	$9,612	493,534 Direct	+0.03%	Acquired	114.9% (price as of 2026-08-20)
Dec. 13, 2019	EOG	F	1,180	$75.49	$89,078	493,399 Direct	-0.24%	Disposed	102.7% (price as of 2026-08-20)
Sept. 29, 2019	EOG	F	29,911	$74.98	$2,242,727	494,579 Direct	-5.70%	Disposed	104.1% (price as of 2026-08-20)
Sept. 26, 2019	EOG	A	31,628	—	—	524,490 Direct	+6.42%	Acquired	(price as of 2026-08-20)
Sept. 26, 2019	EOG	A	46,494	—	—	46,494 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 26, 2019	EOG	M	71,160	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 26, 2019	EOG	F	6,062	$71.74	$434,888	592,862 Direct	-1.01%	Disposed	113.3% (price as of 2026-08-20)
Aug. 26, 2019	EOG	D	55,756	$71.74	$3,999,935	598,924 Direct	-8.52%	Disposed	113.3% (price as of 2026-08-20)
Aug. 26, 2019	EOG	M	71,160	$56.21	$3,999,904	654,680 Direct	+12.19%	Acquired	172.2% (price as of 2026-08-20)
June 30, 2019	EOG	A	137	$77.02	$10,552	583,520 Direct	+0.02%	Acquired	98.7% (price as of 2026-08-20)
May 28, 2019	NOV	A	8,219	—	—	23,456 Direct	+53.94%	Acquired	(price as of 2026-08-20)
Feb. 12, 2019	EOG	A	52,354	—	—	583,383 Direct	+9.86%	Acquired	(price as of 2026-08-20)
Dec. 31, 2018	EOG	A	102	$74.13	$7,561	531,029 Direct	+0.02%	Acquired	106.4% (price as of 2026-08-20)
Dec. 14, 2018	EOG	F	698	$100.08	$69,856	530,927 Direct	-0.13%	Disposed	52.9% (price as of 2026-08-20)
Sept. 27, 2018	EOG	A	45,815	—	—	45,815 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 27, 2018	EOG	A	18,700	—	—	601,625 Direct	+3.21%	Acquired	(price as of 2026-08-20)
Sept. 23, 2018	EOG	F	29,774	$119.46	$3,556,802	582,925 Direct	-4.86%	Disposed	28.1% (price as of 2026-08-20)
Aug. 10, 2018	EOG	M	142,820	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 10, 2018	EOG	S	57,065	$122.36	$6,982,473	612,699 Direct	-8.52%	Disposed	25.1% (price as of 2026-08-20)
Aug. 10, 2018	EOG	F	37,024	$122.26	$4,526,554	669,764 Direct	-5.24%	Disposed	25.2% (price as of 2026-08-20)
Aug. 10, 2018	EOG	D	48,731	$122.26	$5,957,852	706,788 Direct	-6.45%	Disposed	25.2% (price as of 2026-08-20)
Aug. 10, 2018	EOG	M	142,820	$41.72	$5,958,450	755,519 Direct	+23.31%	Acquired	266.8% (price as of 2026-08-20)
June 30, 2018	EOG	A	114	$92.90	$10,591	612,699 Direct	+0.02%	Acquired	64.7% (price as of 2026-08-20)
May 11, 2018	NOV	A	4,429	—	—	15,237 Direct	+40.98%	Acquired	(price as of 2026-08-20)
Feb. 12, 2018	EOG	A	52,354	—	—	612,585 Direct	+9.35%	Acquired	(price as of 2026-08-20)
Dec. 31, 2017	EOG	A	115	$78.51	$9,029	560,231 Direct	+0.02%	Acquired	94.9% (price as of 2026-08-20)
Dec. 15, 2017	EOG	F	1,112	$98.55	$109,588	560,116 Direct	-0.20%	Disposed	55.3% (price as of 2026-08-20)
Sept. 25, 2017	EOG	A	69,969	—	—	69,969 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 25, 2017	EOG	A	28,559	—	—	561,228 Direct	+5.36%	Acquired	(price as of 2026-08-20)
Sept. 25, 2017	EOG	F	34,715	$96.29	$3,342,707	532,669 Direct	-6.12%	Disposed	58.9% (price as of 2026-08-20)
Aug. 11, 2017	EOG	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 11, 2017	EOG	F	3,788	$88.41	$334,897	567,384 Direct	-0.66%	Disposed	73.1% (price as of 2026-08-20)
Aug. 11, 2017	EOG	D	10,419	$88.41	$921,144	571,172 Direct	-1.79%	Disposed	73.1% (price as of 2026-08-20)
Aug. 11, 2017	EOG	M	20,000	$46.06	$921,200	581,591 Direct	+3.56%	Acquired	232.2% (price as of 2026-08-20)
June 30, 2017	EOG	A	138	$76.94	$10,618	561,591 Direct	+0.02%	Acquired	98.9% (price as of 2026-08-20)
May 17, 2017	NOV	A	5,243	—	—	10,808 Direct	+94.21%	Acquired	(price as of 2026-08-20)
March 6, 2017	EOG	F	2,149	$100.07	$215,050	561,453 Direct	-0.38%	Disposed	52.9% (price as of 2026-08-20)
Feb. 14, 2017	EOG	A	52,112	—	—	563,602 Direct	+10.19%	Acquired	(price as of 2026-08-20)
Dec. 30, 2016	EOG	A	147	$72.06	$10,593	511,490 Direct	+0.03%	Acquired	112.4% (price as of 2026-08-20)
Dec. 15, 2016	EOG	F	1,019	$103.92	$105,894	511,343 Direct	-0.20%	Disposed	47.2% (price as of 2026-08-20)
Sept. 29, 2016	EOG	A	64,133	—	—	64,133 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 29, 2016	EOG	A	26,177	—	—	512,362 Direct	+5.38%	Acquired	(price as of 2026-08-20)
Sept. 22, 2016	EOG	S	16,581	$92.86	$1,539,712	486,185 Direct	-3.30%	Disposed	64.8% (price as of 2026-08-20)
Sept. 21, 2016	EOG	F	21,742	$93.52	$2,033,312	502,766 Direct	-4.15%	Disposed	63.6% (price as of 2026-08-20)
June 30, 2016	EOG	A	179	$59.23	$10,602	524,508 Direct	+0.03%	Acquired	158.3% (price as of 2026-08-20)
June 7, 2016	EOG	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 7, 2016	EOG	F	4,301	$83.97	$361,155	524,329 Direct	-0.81%	Disposed	82.2% (price as of 2026-08-20)
June 7, 2016	EOG	D	9,749	$83.97	$818,624	528,630 Direct	-1.81%	Disposed	82.2% (price as of 2026-08-20)
June 7, 2016	EOG	M	20,000	$40.93	$818,600	538,379 Direct	+3.86%	Acquired	273.9% (price as of 2026-08-20)
May 18, 2016	NOV	A	5,565	—	—	5,565 Direct	—	Acquired	(price as of 2026-08-20)
March 8, 2016	EOG	F	3,096	$70.56	$218,454	518,379 Direct	-0.59%	Disposed	116.9% (price as of 2026-08-20)
Feb. 22, 2016	EOG	A	56,928	—	—	521,475 Direct	+12.25%	Acquired	(price as of 2026-08-20)
Jan. 12, 2016	EOG	F	7,195	$62.92	$452,709	464,547 Direct	-1.53%	Disposed	143.2% (price as of 2026-08-20)
Dec. 31, 2015	EOG	A	138	$60.17	$8,303	471,742 Direct	+0.03%	Acquired	154.3% (price as of 2026-08-20)
Dec. 15, 2015	EOG	F	1,019	$77.30	$78,769	471,604 Direct	-0.22%	Disposed	98.0% (price as of 2026-08-20)
Sept. 28, 2015	EOG	A	64,133	—	—	64,133 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 28, 2015	EOG	A	26,177	—	—	472,623 Direct	+5.86%	Acquired	(price as of 2026-08-20)
Sept. 24, 2015	EOG	F	7,612	$73.26	$557,655	446,446 Direct	-1.68%	Disposed	108.9% (price as of 2026-08-20)
Aug. 25, 2015	EOG	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)

Showing latest 100 of 162 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
Aug. 18, 2022	EOG	Stock Appreciation Rights	Common Stock (69,969)	$96.29	March 30, 2023	69,969	Disposed
June 7, 2022	EOG	Stock Appreciation Rights	Common Stock (45,815)	$127.00	March 30, 2023	45,815	Disposed
March 16, 2022	EOG	Stock Appreciation Rights	Common Stock (64,133)	$69.43	Sept. 28, 2022	64,133	Disposed
Sept. 28, 2020	EOG	Stock Appreciation Rights	Common Stock (46,494)	$37.44	Sept. 28, 2027	46,494	Acquired
Sept. 26, 2019	EOG	Stock Appreciation Rights	Common Stock (46,494)	$75.09	Sept. 26, 2026	46,494	Acquired
Aug. 26, 2019	EOG	Stock Appreciation Rights	Common Stock (71,160)	$56.21	Sept. 25, 2019	71,160	Disposed
Sept. 27, 2018	EOG	Stock Appreciation Rights	Common Stock (45,815)	$127.00	Sept. 27, 2025	45,815	Acquired
Aug. 10, 2018	EOG	Stock Appreciation Rights	Common Stock (142,820)	$41.72	Sept. 21, 2018	142,820	Disposed
Sept. 25, 2017	EOG	Stock Appreciation Rights	Common Stock (69,969)	$96.29	Sept. 25, 2024	69,969	Acquired
Aug. 11, 2017	EOG	Stock Appreciation Rights	Common Stock (20,000)	$46.06	Sept. 24, 2017	20,000	Disposed
Sept. 29, 2016	EOG	Stock Appreciation Rights	Common Stock (64,133)	$95.05	Sept. 29, 2023	64,133	Acquired
June 7, 2016	EOG	Stock Appreciation Rights	Common Stock (20,000)	$40.93	Sept. 18, 2016	20,000	Disposed
Sept. 28, 2015	EOG	Stock Appreciation Rights	Common Stock (64,133)	$69.43	Sept. 28, 2022	64,133	Acquired
Aug. 25, 2015	EOG	Stock Appreciation Rights	Common Stock (20,000)	$44.40	Sept. 17, 2015	20,000	Disposed
Sept. 29, 2014	EOG	Stock Appreciation Rights	Common Stock (64,133)	$101.87	Sept. 29, 2021	64,133	Acquired
Aug. 25, 2014	EOG	Stock Appreciation Rights [F3]	Common Stock (16,000)	$36.92	Sept. 20, 2014	16,000	Disposed
Sept. 23, 2013	EOG	Stock Appreciation Rights	Common Stock (31,922)	$168.86	Sept. 23, 2020	31,922	Acquired
Aug. 23, 2013	EOG	Stock Appreciation Rights	Common Stock (28,500)	$60.99	Sept. 20, 2013	28,500	Disposed
Feb. 27, 2013	EOG	Employee Non-qualified Stock Options (Right to Buy)	Common Stock (32,000)	$20.43	Aug. 6, 2013	32,000	Disposed
Sept. 25, 2012	EOG	Stock Appreciation Rights	Common Stock (35,580)	$112.42	Sept. 25, 2019	35,580	Acquired
March 15, 2012	EOG	Employee Non-qualified Stock Options (Right to Buy)	Common Stock (25,000)	$62.98	Aug. 15, 2012	25,000	Disposed
March 15, 2012	EOG	Employee Non-qualified Stock Options (Right to Buy)	Common Stock (34,000)	$17.54	Aug. 7, 2012	34,000	Disposed
Sept. 21, 2011	EOG	Stock Appreciation Right	Common Stock (71,410)	$83.43	Sept. 21, 2018	71,410	Acquired
March 28, 2011	EOG	Employee Non-qualified Stock Options (Right to Buy)	Common Stock (40,000)	$17.68	July 31, 2011	40,000	Disposed

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

Initial ownership (Form 3) 11 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Nov. 3, 2015	NOV	No securities are beneficially owned	0	Direct
Feb. 8, 2011	EOG	Common Stock	165,908	Direct
Feb. 8, 2011	EOG	Employee Non-qualified Stock Options (Right to Buy)→ Common Stock (40,000)	40,000	Direct
Feb. 8, 2011	EOG	Employee Non-qualified Stock Options (Right to Buy)→ Common Stock (34,000)	34,000	Direct
Feb. 8, 2011	EOG	Employee Non-qualified Stock Options (Right to Buy)→ Common Stock (32,000)	32,000	Direct
Feb. 8, 2011	EOG	Employee Non-qualified Stock Options (Right to Buy)→ Common Stock (25,000)	25,000	Direct
Feb. 8, 2011	EOG	Stock Appreciation Right→ Common Stock (28,500)	28,500	Direct
Feb. 8, 2011	EOG	Stock Appreciation Right→ Common Stock (8,000)	8,000	Direct
Feb. 8, 2011	EOG	Stock Appreciation Right→ Common Stock (10,000)	10,000	Direct
Feb. 8, 2011	EOG	Stock Appreciation Right→ Common Stock (10,000)	10,000	Direct
Feb. 8, 2011	EOG	Stock Appreciation Right→ Common Stock (10,000)	10,000	Direct