James D Sinegal

Insider

First SEC filing: Oct. 1, 2018 · Latest: Oct. 1, 2018

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

COST selling Jan. 17, 2018

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 49 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

49 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 17, 2018	COST	S	30,000	$192.06	$5,761,800	695,019 Direct	-4.14%	Disposed	391.1% (price as of 2026-08-21)
Dec. 18, 2017	COST	G	20,324	—	—	725,019 Direct	-2.73%	Disposed	(price as of 2026-08-21)
Oct. 24, 2017	COST	G	155	—	—	745,343 Direct	-0.02%	Disposed	(price as of 2026-08-21)
Oct. 22, 2017	COST	A	1,680	—	—	741,545 Direct	+0.23%	Acquired	(price as of 2026-08-21)
Oct. 22, 2017	COST	A	1,870	—	—	741,735 Direct	+0.25%	Acquired	(price as of 2026-08-21)
Oct. 10, 2017	COST	G	2,391	—	—	739,865 Direct	-0.32%	Disposed	(price as of 2026-08-21)
Sept. 19, 2017	COST	J	3,953	—	—	584,507 Indirect	-0.67%	Disposed	(price as of 2026-08-21)
Sept. 19, 2017	COST	J	3,953	—	—	746,209 Direct	+0.53%	Acquired	(price as of 2026-08-21)
May 24, 2017	COST	A	140	$173.01	$24,221	717,436 Direct	+0.02%	Acquired	445.2% (price as of 2026-08-21)
March 24, 2017	COST	S	50,000	$166.35	$8,317,500	617,421 Indirect	-7.49%	Disposed	467.0% (price as of 2026-08-21)
March 24, 2017	COST	S	50,000	$166.35	$8,317,500	717,296 Direct	-6.52%	Disposed	467.0% (price as of 2026-08-21)
March 13, 2017	COST	S	17,000	$164.52	$2,796,840	767,296 Direct	-2.17%	Disposed	473.3% (price as of 2026-08-21)
Dec. 19, 2016	COST	S	65,000	$164.07	$10,664,550	691,879 Indirect	-8.59%	Disposed	474.9% (price as of 2026-08-21)
Dec. 16, 2016	COST	G	8,800	—	—	761,518 Direct	-1.14%	Disposed	(price as of 2026-08-21)
Dec. 15, 2016	COST	G	1,680	—	—	793,096 Direct	-0.21%	Disposed	(price as of 2026-08-21)
Oct. 22, 2016	COST	A	2,182	—	—	770,318 Direct	+0.28%	Acquired	(price as of 2026-08-21)
Oct. 7, 2016	COST	S	20,114	$149.02	$2,997,388	732,421 Indirect	-2.67%	Disposed	533.0% (price as of 2026-08-21)
Oct. 7, 2016	COST	S	20,114	$149.02	$2,997,388	768,136 Direct	-2.55%	Disposed	533.0% (price as of 2026-08-21)
Oct. 4, 2016	COST	J	4,344	—	—	752,535 Indirect	-0.57%	Disposed	(price as of 2026-08-21)
Oct. 4, 2016	COST	J	4,344	—	—	792,594 Direct	+0.55%	Acquired	(price as of 2026-08-21)
Jan. 25, 2016	COST	S	44,125	$151.97	$6,705,676	804,419 Direct	-5.20%	Disposed	520.7% (price as of 2026-08-21)
Dec. 11, 2015	COST	S	50,000	$160.00	$8,000,000	848,544 Direct	-5.56%	Disposed	489.5% (price as of 2026-08-21)
Oct. 22, 2015	COST	A	2,150	—	—	898,544 Direct	+0.24%	Acquired	(price as of 2026-08-21)
Feb. 27, 2015	COST	A	185	$146.96	$27,188	889,590 Direct	+0.02%	Acquired	541.8% (price as of 2026-08-21)
Oct. 22, 2014	COST	A	2,400	—	—	887,639 Direct	+0.27%	Acquired	(price as of 2026-08-21)
May 15, 2014	COST	S 10b5-1	4,000	$114.76	$459,040	887,806 Direct	-0.45%	Disposed	721.9% (price as of 2026-08-21)
April 15, 2014	COST	S 10b5-1	4,000	$112.58	$450,320	891,806 Direct	-0.45%	Disposed	737.8% (price as of 2026-08-21)
March 14, 2014	COST	S 10b5-1	4,000	$114.00	$456,000	895,806 Direct	-0.44%	Disposed	727.4% (price as of 2026-08-21)
Feb. 14, 2014	COST	S 10b5-1	4,000	$114.99	$459,960	899,806 Direct	-0.44%	Disposed	720.3% (price as of 2026-08-21)
Jan. 15, 2014	COST	S 10b5-1	4,000	$116.07	$464,280	908,048 Direct	-0.44%	Disposed	712.7% (price as of 2026-08-21)
Jan. 10, 2014	COST	G	4,242	—	—	903,806 Direct	-0.47%	Disposed	(price as of 2026-08-21)
Dec. 20, 2013	COST	G	1,824	—	—	912,048 Direct	-0.20%	Disposed	(price as of 2026-08-21)
Dec. 16, 2013	COST	S 10b5-1	8,000	$117.92	$943,360	915,294 Direct	-0.87%	Disposed	699.9% (price as of 2026-08-21)
Dec. 13, 2013	COST	G	1,422	—	—	921,872 Direct	-0.15%	Disposed	(price as of 2026-08-21)
Nov. 15, 2013	COST	S 10b5-1	8,000	$123.66	$989,280	923,294 Direct	-0.86%	Disposed	662.8% (price as of 2026-08-21)
Oct. 22, 2013	COST	A	2,400	—	—	932,640 Direct	+0.26%	Acquired	(price as of 2026-08-21)
Oct. 22, 2013	COST	F	151	$117.81	$17,789	930,240 Direct	-0.02%	Disposed	700.7% (price as of 2026-08-21)
Oct. 15, 2013	COST	S 10b5-1	8,000	$115.76	$926,080	930,391 Direct	-0.85%	Disposed	714.8% (price as of 2026-08-21)
Sept. 16, 2013	COST	S 10b5-1	8,000	$118.36	$946,880	938,391 Direct	-0.85%	Disposed	696.9% (price as of 2026-08-21)
Aug. 15, 2013	COST	S 10b5-1	8,000	$112.56	$900,480	946,391 Direct	-0.84%	Disposed	738.0% (price as of 2026-08-21)
July 15, 2013	COST	S 10b5-1	8,000	$115.92	$927,360	954,391 Direct	-0.83%	Disposed	713.7% (price as of 2026-08-21)
June 14, 2013	COST	S 10b5-1	8,000	$110.37	$882,960	962,391 Direct	-0.82%	Disposed	754.6% (price as of 2026-08-21)
May 15, 2013	COST	S 10b5-1	8,000	$110.86	$886,880	971,298 Direct	-0.82%	Disposed	750.8% (price as of 2026-08-21)
April 30, 2013	COST	F	4,515	$108.43	$489,561	979,298 Direct	-0.46%	Disposed	769.9% (price as of 2026-08-21)
April 30, 2013	COST	F	6,021	$108.43	$652,857	983,813 Direct	-0.61%	Disposed	769.9% (price as of 2026-08-21)
April 30, 2013	COST	F	2,313	$108.43	$250,799	989,834 Direct	-0.23%	Disposed	769.9% (price as of 2026-08-21)
April 15, 2013	COST	S 10b5-1	8,000	$105.45	$843,600	992,147 Direct	-0.80%	Disposed	794.5% (price as of 2026-08-21)
March 15, 2013	COST	S 10b5-1	8,000	$102.55	$820,400	978,917 Direct	-0.81%	Disposed	819.8% (price as of 2026-08-21)
Feb. 15, 2013	COST	S 10b5-1	8,000	$101.79	$814,320	986,917 Direct	-0.80%	Disposed	826.7% (price as of 2026-08-21)
Feb. 1, 2013	COST	F	1,270	$104.15	$132,270	1,022,276 Direct	-0.12%	Disposed	805.7% (price as of 2026-08-21)
Jan. 15, 2013	COST	S 10b5-1	8,000	$99.85	$798,800	1,023,546 Direct	-0.78%	Disposed	844.7% (price as of 2026-08-21)
Dec. 12, 2012	COST	A	2,680	$98.31	$263,471	934,540 Direct	+0.29%	Acquired	859.5% (price as of 2026-08-21)
Dec. 12, 2012	COST	S 10b5-1	16,000	$99.02	$1,584,320	931,860 Direct	-1.69%	Disposed	852.6% (price as of 2026-08-21)
Nov. 14, 2012	COST	S 10b5-1	16,000	$95.20	$1,523,200	947,860 Direct	-1.66%	Disposed	890.8% (price as of 2026-08-21)
Oct. 22, 2012	COST	A	1,000	—	—	965,559 Direct	+0.10%	Acquired	(price as of 2026-08-21)
Oct. 22, 2012	COST	F	1,215	$95.00	$115,425	964,559 Direct	-0.13%	Disposed	892.9% (price as of 2026-08-21)
Oct. 22, 2012	COST	F	2,430	$95.00	$230,850	965,774 Direct	-0.25%	Disposed	892.9% (price as of 2026-08-21)
Oct. 22, 2012	COST	F	2,430	$95.00	$230,850	968,204 Direct	-0.25%	Disposed	892.9% (price as of 2026-08-21)
Oct. 17, 2012	COST	S 10b5-1	16,000	$97.11	$1,553,760	970,634 Direct	-1.62%	Disposed	871.3% (price as of 2026-08-21)
Oct. 17, 2012	COST	F	3,587	$96.78	$347,150	986,634 Direct	-0.36%	Disposed	874.6% (price as of 2026-08-21)
Sept. 26, 2012	COST	F	1,519	$101.00	$153,419	990,221 Direct	-0.15%	Disposed	833.9% (price as of 2026-08-21)
Sept. 26, 2012	COST	A	4,167	—	—	991,740 Direct	+0.42%	Acquired	(price as of 2026-08-21)
Sept. 19, 2012	COST	S 10b5-1	16,000	$102.10	$1,633,600	987,573 Direct	-1.59%	Disposed	823.8% (price as of 2026-08-21)
Aug. 15, 2012	COST	S 10b5-1	16,000	$95.92	$1,534,720	1,003,573 Direct	-1.57%	Disposed	883.4% (price as of 2026-08-21)
Aug. 10, 2012	COST	M	150,000	$43.79	$6,568,500	0 Direct	-100.00%	Disposed	2054.0% (price as of 2026-08-21)
Aug. 10, 2012	COST	M	50,000	$37.35	$1,867,500	0 Direct	-100.00%	Disposed	2425.4% (price as of 2026-08-21)
Aug. 10, 2012	COST	M	150,000	$43.79	$6,568,500	1,019,573 Direct	+17.25%	Acquired	2054.0% (price as of 2026-08-21)
Aug. 10, 2012	COST	M	50,000	$37.35	$1,867,500	869,573 Direct	+6.10%	Acquired	2425.4% (price as of 2026-08-21)
Aug. 7, 2012	COST	M	100,000	$37.35	$3,735,000	50,000 Direct	-66.67%	Disposed	2425.4% (price as of 2026-08-21)
Aug. 7, 2012	COST	S	100,000	$95.88	$9,588,000	819,573 Direct	-10.87%	Disposed	883.8% (price as of 2026-08-21)
Aug. 7, 2012	COST	M	100,000	$37.35	$3,735,000	919,573 Direct	+12.20%	Acquired	2425.4% (price as of 2026-08-21)
July 18, 2012	COST	S 10b5-1	16,000	$95.64	$1,530,240	819,573 Direct	-1.91%	Disposed	886.3% (price as of 2026-08-21)
June 13, 2012	COST	S 10b5-1	16,000	$87.95	$1,407,200	835,573 Direct	-1.88%	Disposed	972.5% (price as of 2026-08-21)
May 16, 2012	COST	S 10b5-1	16,000	—	—	851,573 Direct	-1.84%	Disposed	(price as of 2026-08-21)
April 18, 2012	COST	S 10b5-1	16,000	—	—	867,573 Direct	-1.81%	Disposed	(price as of 2026-08-21)
March 15, 2012	COST	S 10b5-1	16,000	—	—	863,367 Direct	-1.82%	Disposed	(price as of 2026-08-21)
Feb. 15, 2012	COST	S 10b5-1	16,000	—	—	879,367 Direct	-1.79%	Disposed	(price as of 2026-08-21)
Jan. 25, 2012	COST	S 10b5-1	16,000	—	—	786,281 Direct	-1.99%	Disposed	(price as of 2026-08-21)
Dec. 14, 2011	COST	S 10b5-1	8,000	—	—	806,261 Direct	-0.98%	Disposed	(price as of 2026-08-21)
Nov. 16, 2011	COST	S 10b5-1	8,000	—	—	814,261 Direct	-0.97%	Disposed	(price as of 2026-08-21)
Oct. 22, 2011	COST	A	4,166	—	—	822,261 Direct	+0.51%	Acquired	(price as of 2026-08-21)
Oct. 22, 2011	COST	F	1,215	$85.30	$103,640	818,095 Direct	-0.15%	Disposed	1005.8% (price as of 2026-08-21)
Oct. 22, 2011	COST	F	2,430	$85.30	$207,279	819,310 Direct	-0.30%	Disposed	1005.8% (price as of 2026-08-21)
Oct. 22, 2011	COST	F	2,430	$85.30	$207,279	821,740 Direct	-0.29%	Disposed	1005.8% (price as of 2026-08-21)
Oct. 19, 2011	COST	F	3,588	$84.38	$302,755	834,374 Direct	-0.43%	Disposed	1017.9% (price as of 2026-08-21)
Oct. 19, 2011	COST	S 10b5-1	8,000	—	—	837,962 Direct	-0.95%	Disposed	(price as of 2026-08-21)
Oct. 17, 2011	COST	F	3,544	$82.36	$291,884	845,962 Direct	-0.42%	Disposed	1045.3% (price as of 2026-08-21)
Sept. 28, 2011	COST	F	2,317	$83.79	$194,141	824,506 Direct	-0.28%	Disposed	1025.7% (price as of 2026-08-21)
Sept. 28, 2011	COST	A	25,000	—	—	849,506 Direct	+3.03%	Acquired	(price as of 2026-08-21)
Sept. 28, 2011	COST	F	2,317	$83.79	$194,141	824,506 Direct	-0.28%	Disposed	1025.7% (price as of 2026-08-21)
Sept. 14, 2011	COST	S 10b5-1	8,000	—	—	826,823 Direct	-0.96%	Disposed	(price as of 2026-08-21)
Aug. 17, 2011	COST	S 10b5-1	8,000	—	—	816,327 Direct	-0.97%	Disposed	(price as of 2026-08-21)
July 13, 2011	COST	S 10b5-1	8,000	—	—	824,327 Direct	-0.96%	Disposed	(price as of 2026-08-21)
June 15, 2011	COST	S 10b5-1	8,000	—	—	832,327 Direct	-0.95%	Disposed	(price as of 2026-08-21)
May 18, 2011	COST	S 10b5-1	8,000	—	—	840,327 Direct	-0.94%	Disposed	(price as of 2026-08-21)
April 17, 2011	COST	F	1,269	$76.97	$97,675	848,327 Direct	-0.15%	Disposed	1125.5% (price as of 2026-08-21)
April 13, 2011	COST	S 10b5-1	8,000	—	—	849,596 Direct	-0.93%	Disposed	(price as of 2026-08-21)
March 16, 2011	COST	S 10b5-1	8,000	—	—	899,200 Direct	-0.88%	Disposed	(price as of 2026-08-21)
Feb. 16, 2011	COST	S 10b5-1	8,000	—	—	807,403 Direct	-0.98%	Disposed	(price as of 2026-08-21)
Jan. 19, 2011	COST	S 10b5-1	8,000	—	—	816,092 Direct	-0.97%	Disposed	(price as of 2026-08-21)

Showing latest 100 of 179 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. 10, 2012	COST	Stock Option	Common Stock (150,000)	$43.79	April 1, 2015	150,000	Disposed
Aug. 10, 2012	COST	Stock Option	Common Stock (50,000)	$37.35	April 1, 2014	50,000	Disposed
Aug. 7, 2012	COST	Stock Option	Common Stock (100,000)	$37.35	April 1, 2014	100,000	Disposed
Oct. 18, 2010	COST	Stock Option	Common Stock (150,000)	$30.41	April 1, 2013	150,000	Disposed
Oct. 18, 2010	COST	Stock Option	Common Stock (150,000)	$39.65	April 1, 2012	150,000	Disposed
Oct. 18, 2010	COST	Stock Option	Common Stock (150,000)	$36.19	April 2, 2011	150,000	Disposed
March 10, 2010	COST	Stock Option	Common Stock (150,000)	$52.50	April 3, 2010	150,000	Disposed
March 26, 2009	COST	Stock Option	Common Stock (200,000)	$44.97	April 1, 2009	200,000	Disposed
March 14, 2008	COST	Stock Option	Common Stock (200,000)	$27.12	April 1, 2008	200,000	Disposed
March 23, 2007	COST	Stock Option	Common Stock (200,000)	$13.44	April 2, 2007	200,000	Disposed
March 9, 2006	COST	Stock Option	Common Stock (300,000)	$10.69	Oct. 16, 2006	300,000	Disposed
April 1, 2005	COST	Stock Option	Common Stock (150,000)	$43.79	April 1, 2015	150,000	Acquired
March 17, 2005	COST	Stock Option	Common Stock (100,000)	$6.66	May 25, 2005	100,000	Disposed
April 1, 2004	COST	Stock Option	Common Stock (150,000)	$37.35	April 1, 2014	150,000	Acquired
April 1, 2004	COST	Stock Option	Common Stock (150,000)	$37.35	April 1, 2014	150,000	Acquired
Nov. 19, 2003	COST	Prepaid Variable Share Forward	Common Stock (450,000)	—	Nov. 19, 2003	450,000	Disposed
Nov. 12, 2003	COST	Prepaid Variable Share Forward	Common Stock (218,073)	—	Nov. 12, 2003	218,073	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.

COST

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2012	$182,557	$65,022	—	—	—	$36,569	$81,231	$1,045,706
2011	$350,000	$198,400	—	—	—	$1,538	$81,206	$2,191,159
2010	$350,000	$190,400	—	—	—	—	$93,004	$3,529,434

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