Timothy L. Rose

Insider

First SEC filing: Jan. 16, 2015 · Latest: Jan. 16, 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

COST selling March 29, 2022

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 58 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

58 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 12, 2022	COST	F	2,538	$539.52	$1,369,302	33,025 Direct	-7.14%	Disposed	74.8% (price as of 2026-08-21)
Sept. 12, 2022	COST	A	7,154	—	—	35,563 Direct	+25.18%	Acquired	(price as of 2026-08-21)
March 29, 2022	COST	S	4,000	$566.29	$2,265,160	28,409 Direct	-12.34%	Disposed	66.6% (price as of 2026-08-21)
Sept. 14, 2021	COST	F	3,214	$458.41	$1,473,330	32,409 Direct	-9.02%	Disposed	105.8% (price as of 2026-08-21)
Sept. 14, 2021	COST	F	3,214	$458.41	$1,473,330	32,044 Direct	-9.12%	Disposed	105.8% (price as of 2026-08-21)
Sept. 14, 2021	COST	A	8,998	—	—	35,623 Direct	+33.80%	Acquired	(price as of 2026-08-21)
June 28, 2021	COST	S	4,000	$396.14	$1,584,560	26,625 Direct	-13.06%	Disposed	138.1% (price as of 2026-08-21)
Sept. 14, 2020	COST	F	3,785	$342.92	$1,297,952	30,625 Direct	-11.00%	Disposed	175.1% (price as of 2026-08-21)
Sept. 14, 2020	COST	A	10,730	—	—	34,410 Direct	+45.31%	Acquired	(price as of 2026-08-21)
June 11, 2020	COST	S	6,000	$308.05	$1,848,300	23,680 Direct	-20.22%	Disposed	206.2% (price as of 2026-08-21)
Sept. 18, 2019	COST	F	4,804	$292.43	$1,404,834	29,680 Direct	-13.93%	Disposed	222.6% (price as of 2026-08-21)
Sept. 18, 2019	COST	A	13,510	—	—	34,484 Direct	+64.41%	Acquired	(price as of 2026-08-21)
March 13, 2019	COST	S	6,000	$234.27	$1,405,620	20,974 Direct	-22.24%	Disposed	302.6% (price as of 2026-08-21)
Oct. 22, 2018	COST	F	2,450	$229.06	$561,197	20,748 Direct	-10.56%	Disposed	311.8% (price as of 2026-08-21)
Oct. 22, 2018	COST	F	2,119	$229.06	$485,378	23,198 Direct	-8.37%	Disposed	311.8% (price as of 2026-08-21)
Oct. 22, 2018	COST	F	1,497	$229.06	$342,903	25,317 Direct	-5.58%	Disposed	311.8% (price as of 2026-08-21)
Oct. 22, 2018	COST	F	1,185	$229.06	$271,436	26,814 Direct	-4.23%	Disposed	311.8% (price as of 2026-08-21)
Oct. 22, 2018	COST	F	592	$229.06	$135,604	27,999 Direct	-2.07%	Disposed	311.8% (price as of 2026-08-21)
Oct. 2, 2018	COST	A	18,680	—	—	39,083 Direct	+91.56%	Acquired	(price as of 2026-08-21)
Oct. 2, 2018	COST	F	4,266	$236.35	$1,008,269	28,591 Direct	-12.98%	Disposed	299.1% (price as of 2026-08-21)
Oct. 2, 2018	COST	A	12,454	—	—	32,857 Direct	+61.04%	Acquired	(price as of 2026-08-21)
June 13, 2018	COST	S	2,500	$205.19	$512,975	20,403 Direct	-10.92%	Disposed	359.7% (price as of 2026-08-21)
March 22, 2018	COST	S	12,000	$184.46	$2,213,520	22,903 Direct	-34.38%	Disposed	411.4% (price as of 2026-08-21)
March 9, 2018	COST	S	17,000	$185.33	$3,150,610	34,903 Direct	-32.75%	Disposed	409.0% (price as of 2026-08-21)
Dec. 18, 2017	COST	S	5,000	$193.20	$966,000	52,529 Direct	-8.69%	Disposed	388.2% (price as of 2026-08-21)
Oct. 22, 2017	COST	F	566	$160.77	$90,996	57,529 Direct	-0.97%	Disposed	486.7% (price as of 2026-08-21)
Oct. 22, 2017	COST	F	533	$160.77	$85,690	58,095 Direct	-0.91%	Disposed	486.7% (price as of 2026-08-21)
Oct. 22, 2017	COST	F	633	$160.77	$101,767	58,628 Direct	-1.07%	Disposed	486.7% (price as of 2026-08-21)
Oct. 22, 2017	COST	F	631	$160.77	$101,446	59,261 Direct	-1.05%	Disposed	486.7% (price as of 2026-08-21)
Oct. 22, 2017	COST	F	647	$160.77	$104,018	59,892 Direct	-1.07%	Disposed	486.7% (price as of 2026-08-21)
Oct. 2, 2017	COST	A	626	$165.89	$103,847	60,539 Direct	+1.04%	Acquired	468.6% (price as of 2026-08-21)
Oct. 2, 2017	COST	F	4,769	$165.89	$791,129	59,913 Direct	-7.37%	Disposed	468.6% (price as of 2026-08-21)
Oct. 2, 2017	COST	A	19,570	—	—	64,682 Direct	+43.38%	Acquired	(price as of 2026-08-21)
May 24, 2017	COST	A	437	$173.01	$75,605	44,486 Direct	+0.99%	Acquired	445.2% (price as of 2026-08-21)
May 24, 2017	COST	A	1,063	$173.01	$183,910	45,112 Direct	+2.41%	Acquired	445.2% (price as of 2026-08-21)
March 16, 2017	COST	S	4,000	$166.95	$667,800	44,049 Direct	-8.32%	Disposed	465.0% (price as of 2026-08-21)
Oct. 22, 2016	COST	F	516	$148.97	$76,869	48,049 Direct	-1.06%	Disposed	533.2% (price as of 2026-08-21)
Oct. 22, 2016	COST	F	613	$148.97	$91,319	48,565 Direct	-1.25%	Disposed	533.2% (price as of 2026-08-21)
Oct. 22, 2016	COST	F	613	$148.97	$91,319	49,178 Direct	-1.23%	Disposed	533.2% (price as of 2026-08-21)
Oct. 22, 2016	COST	F	627	$148.97	$93,404	49,791 Direct	-1.24%	Disposed	533.2% (price as of 2026-08-21)
Oct. 22, 2016	COST	F	627	$148.97	$93,404	50,418 Direct	-1.23%	Disposed	533.2% (price as of 2026-08-21)
Oct. 12, 2016	COST	S	4,000	$151.12	$604,480	51,045 Direct	-7.27%	Disposed	524.2% (price as of 2026-08-21)
Oct. 5, 2016	COST	F	4,185	$149.98	$627,666	55,045 Direct	-7.07%	Disposed	528.9% (price as of 2026-08-21)
Oct. 5, 2016	COST	A	18,440	—	—	59,230 Direct	+45.21%	Acquired	(price as of 2026-08-21)
March 24, 2016	COST	S	1,777	$151.25	$268,771	40,790 Direct	-4.17%	Disposed	523.6% (price as of 2026-08-21)
Oct. 22, 2015	COST	F	613	$158.15	$96,946	42,567 Direct	-1.42%	Disposed	496.4% (price as of 2026-08-21)
Oct. 22, 2015	COST	F	614	$158.15	$97,104	43,180 Direct	-1.40%	Disposed	496.4% (price as of 2026-08-21)
Oct. 22, 2015	COST	F	628	$158.15	$99,318	44,421 Direct	-1.39%	Disposed	496.4% (price as of 2026-08-21)
Oct. 22, 2015	COST	F	627	$158.15	$99,160	43,794 Direct	-1.41%	Disposed	496.4% (price as of 2026-08-21)
Oct. 22, 2015	COST	F	627	$158.15	$99,160	45,049 Direct	-1.37%	Disposed	496.4% (price as of 2026-08-21)
Oct. 15, 2015	COST	I	6,307	$150.62	$949,960	0 Indirect	-100.00%	Disposed	526.2% (price as of 2026-08-21)
Oct. 14, 2015	COST	G	700	—	—	45,676 Direct	-1.51%	Disposed	(price as of 2026-08-21)
Sept. 24, 2015	COST	F	6,127	$144.87	$887,618	47,276 Direct	-11.47%	Disposed	551.1% (price as of 2026-08-21)
Sept. 24, 2015	COST	A	21,000	—	—	53,403 Direct	+64.81%	Acquired	(price as of 2026-08-21)
July 30, 2015	COST	S	1,415	$145.58	$205,996	31,503 Direct	-4.30%	Disposed	547.9% (price as of 2026-08-21)
April 28, 2015	COST	S	3,000	$147.00	$441,000	32,918 Direct	-8.35%	Disposed	541.7% (price as of 2026-08-21)
Feb. 27, 2015	COST	A	1,507	$146.96	$221,469	38,067 Direct	+4.12%	Acquired	541.8% (price as of 2026-08-21)
Jan. 13, 2015	COST	M	4,082	$40.69	$166,097	22,825 Direct	-15.17%	Disposed	2218.1% (price as of 2026-08-21)
Jan. 13, 2015	COST	M	4,082	$40.69	$166,097	34,411 Direct	+13.46%	Acquired	2218.1% (price as of 2026-08-21)
Jan. 13, 2015	COST	S	4,082	$142.65	$582,297	30,329 Direct	-11.86%	Disposed	561.2% (price as of 2026-08-21)
Dec. 15, 2014	COST	S	5,000	$139.01	$695,050	34,411 Direct	-12.69%	Disposed	578.5% (price as of 2026-08-21)
Dec. 11, 2014	COST	S	5,000	$142.00	$710,000	39,411 Direct	-11.26%	Disposed	564.3% (price as of 2026-08-21)
Oct. 22, 2014	COST	F	602	$130.54	$78,585	46,805 Direct	-1.27%	Disposed	622.6% (price as of 2026-08-21)
Oct. 22, 2014	COST	F	602	$130.54	$78,585	46,203 Direct	-1.29%	Disposed	622.6% (price as of 2026-08-21)
Oct. 22, 2014	COST	F	602	$130.54	$78,585	45,601 Direct	-1.30%	Disposed	622.6% (price as of 2026-08-21)
Oct. 22, 2014	COST	F	602	$130.54	$78,585	44,999 Direct	-1.32%	Disposed	622.6% (price as of 2026-08-21)
Oct. 22, 2014	COST	F	588	$130.54	$76,758	44,411 Direct	-1.31%	Disposed	622.6% (price as of 2026-08-21)
Sept. 26, 2014	COST	F	4,733	$125.54	$594,181	47,407 Direct	-9.08%	Disposed	651.4% (price as of 2026-08-21)
Sept. 26, 2014	COST	A	21,000	—	—	52,140 Direct	+67.44%	Acquired	(price as of 2026-08-21)
Aug. 21, 2014	COST	S	5,439	$121.50	$660,838	31,140 Direct	-14.87%	Disposed	676.3% (price as of 2026-08-21)
March 12, 2014	COST	S	5,000	$115.31	$576,550	36,579 Direct	-12.03%	Disposed	718.0% (price as of 2026-08-21)
Oct. 22, 2013	COST	F	3,614	$117.81	$425,765	41,579 Direct	-8.00%	Disposed	700.7% (price as of 2026-08-21)
Oct. 22, 2013	COST	F	3,012	$117.81	$354,844	45,193 Direct	-6.25%	Disposed	700.7% (price as of 2026-08-21)
Oct. 22, 2013	COST	F	2,234	$117.81	$263,188	48,205 Direct	-4.43%	Disposed	700.7% (price as of 2026-08-21)
Oct. 22, 2013	COST	F	1,178	$117.81	$138,780	50,439 Direct	-2.28%	Disposed	700.7% (price as of 2026-08-21)
Oct. 22, 2013	COST	F	785	$117.81	$92,481	51,617 Direct	-1.50%	Disposed	700.7% (price as of 2026-08-21)
May 3, 2013	COST	S	5,000	$110.27	$551,350	52,402 Direct	-8.71%	Disposed	755.4% (price as of 2026-08-21)

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. 13, 2015	COST	Stock Option	Common Stock (4,082)	$40.69	April 1, 2015	4,082	Disposed

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
Jan. 16, 2015	COST	Stock Option→ Common Stock	—	Direct
Dec. 14, 2012	COST	Common Stock	—	Direct
Dec. 14, 2012	COST	Stock Option→ Common Stock	—	Direct