PORTERA JOSEPH P

Insider CIK 1184498 · COST Executive VP

Track record PRO

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Track record

See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.

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Trades across companies

Ticker	Code	Trade	Filed	Shares	Price	Value	Owned after
COST COSTCO WHOLESALE CORP /NEW	A Award	2021-09-14	2021-09-16	9,926	—	$0	16,137	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2021-09-14	2021-09-16	4,150	$458.41	$1.90M	11,987	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2021-08-13	2021-08-13	3,287	$445.50	$1.46M	1,789	SEC↗
COST COSTCO WHOLESALE CORP /NEW	G Gift	2020-10-09	2021-08-13	750	—	$0	5,076	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2020-09-29	2020-09-29	6,000	$348.00	$2.09M	5,826	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2020-09-16	2020-09-29	6,937	—	$0	11,826	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2020-09-16	2020-09-29	6,937	—	$0	6,211	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2020-09-14	2020-09-15	4,903	$342.96	$1.68M	13,148	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2020-09-14	2020-09-15	11,840	—	$0	18,051	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2019-10-30	2019-10-31	14,095	$299.52	$4.22M	5,789	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2019-10-25	2019-10-31	9,637	—	$0	19,884	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2019-10-25	2019-10-31	9,637	—	$0	6,211	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2019-10-22	2019-10-24	1,143	$299.97	$342.9K	21,946	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2019-10-22	2019-10-24	1,821	$299.97	$546.2K	20,125	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2019-10-22	2019-10-24	2,246	$299.97	$673.7K	17,879	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2019-10-22	2019-10-24	2,031	$299.97	$609.2K	15,848	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2019-10-22	2019-10-24	679	$299.97	$203.7K	23,089	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2019-09-18	2019-09-20	13,510	—	$0	27,318	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2019-09-18	2019-09-20	3,550	$292.43	$1.04M	23,768	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2019-03-11	2019-03-13	8,901	$228.50	$2.03M	16,672	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2019-03-11	2019-03-13	2,864	$228.53	$654.5K	13,808	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2018-10-25	2019-03-13	3,768	—	$0	11,447	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2018-10-25	2019-03-13	3,768	—	$0	25,573	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2018-10-22	2018-10-24	678	$229.06	$155.3K	25,537	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2018-10-22	2018-10-24	679	$229.06	$155.5K	24,858	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2018-10-22	2018-10-24	562	$229.06	$128.7K	23,116	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2018-10-22	2018-10-24	608	$229.06	$139.3K	23,678	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2018-10-22	2018-10-24	572	$229.06	$131.0K	24,286	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2018-10-05	2018-10-24	7,472	—	$0	26,215	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2018-10-05	2018-10-24	7,472	—	$0	7,679	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2018-10-02	2018-10-04	12,455	—	$0	38,670	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2018-10-02	2018-10-04	4,983	$236.35	$1.18M	33,687	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2018-10-02	2018-10-30	18,680	—	$0	44,895	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2017-12-18	2017-12-20	10,000	$193.09	$1.93M	207	SEC↗
COST COSTCO WHOLESALE CORP /NEW	G Gift	2017-10-27	2017-12-20	1,500	—	$0	10,207	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2017-10-24	2017-12-20	3,947	—	$0	11,707	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2017-10-24	2017-12-20	3,947	—	$0	26,841	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2017-10-22	2017-10-24	643	$160.77	$103.4K	30,788	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2017-10-22	2017-10-24	920	$160.77	$147.9K	33,473	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2017-10-22	2017-10-24	606	$160.77	$97.4K	31,431	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2017-10-22	2017-10-24	718	$160.77	$115.4K	32,037	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2017-10-22	2017-10-24	718	$160.77	$115.4K	32,755	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2017-10-02	2017-10-03	19,570	—	$0	39,310	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2017-10-02	2017-10-03	5,543	$165.89	$919.5K	33,767	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2017-10-02	2017-10-05	626	$165.89	$103.8K	34,393	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2017-05-24	2018-01-09	448	$173.01	$77.5K	19,114	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2017-05-24	2017-05-25	1,074	$173.01	$185.8K	19,740	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2017-01-10	2017-05-25	356	—	$0	7,760	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2017-01-10	2017-05-25	356	—	$0	18,666	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2016-12-09	2016-12-09	16,921	$158.38	$2.68M	19,022	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2016-10-22	2016-10-25	697	$148.97	$103.8K	36,530	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2016-10-22	2016-10-25	697	$148.97	$103.8K	37,227	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2016-10-22	2016-10-25	892	$148.97	$132.9K	37,924	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2016-10-22	2016-10-25	891	$148.97	$132.7K	38,816	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2016-10-22	2016-10-25	587	$148.97	$87.4K	35,943	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2016-10-14	2016-10-25	7,404	—	$0	7,404	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2016-10-14	2016-10-25	7,404	—	$0	39,707	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2016-10-05	2016-10-07	18,440	—	$0	52,004	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2016-10-05	2016-10-07	4,893	$149.98	$733.9K	47,111	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2015-10-22	2015-10-26	697	$158.15	$110.2K	19,218	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2015-10-22	2015-10-26	698	$158.15	$110.4K	19,915	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2015-10-22	2015-10-26	893	$158.15	$141.2K	20,613	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2015-10-22	2015-10-26	893	$158.15	$141.2K	21,506	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2015-10-22	2015-10-26	892	$158.15	$141.1K	22,399	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2015-10-13	2015-10-15	10,000	$152.75	$1.53M	23,291	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2015-09-24	2015-09-28	5,960	$144.87	$863.4K	70,945	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2015-09-24	2015-09-28	21,000	—	$0	76,905	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2015-02-27	2015-03-03	1,599	$146.96	$235.0K	55,005	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2014-10-29	2014-10-29	15,000	$131.55	$1.97M	53,406	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2014-10-24	2014-10-29	17,645	—	$0	68,406	SEC↗
COST COSTCO WHOLESALE CORP /NEW	J Other	2014-10-24	2014-10-29	17,645	—	$0	29,645	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2014-10-22	2014-10-23	3,423	$130.54	$446.8K	94,337	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2014-10-22	2014-10-23	2,567	$130.54	$335.1K	97,760	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2014-10-22	2014-10-23	1,590	$130.54	$207.6K	100,327	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2014-10-22	2014-10-23	4,279	$130.54	$558.6K	90,058	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2014-10-22	2014-10-23	4,007	$130.54	$523.1K	86,051	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2014-10-09	2014-10-09	4,685	$130.13	$609.7K	101,917	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2014-09-26	2014-09-30	2,319	$125.54	$291.1K	106,602	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2014-09-26	2014-09-30	21,000	—	$0	108,921	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2013-10-29	2013-10-30	14,900	$118.29	$1.76M	12,000	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2013-10-22	2013-10-24	1,711	$117.81	$201.6K	112,914	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2013-10-22	2013-10-24	1,712	$117.81	$201.7K	114,625	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2013-10-22	2013-10-24	1,711	$117.81	$201.6K	116,337	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2013-10-22	2013-10-24	1,711	$117.81	$201.6K	118,048	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2013-10-22	2013-10-24	1,711	$117.81	$201.6K	119,759	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2013-09-20	2013-11-01	1,907	$117.94	$224.9K	123,377	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2013-09-20	2013-09-23	25,000	—	$0	124,529	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2013-09-20	2013-09-23	3,059	$117.94	$360.8K	121,470	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2012-12-31	2013-01-03	16,000	$97.34	$1.56M	99,529	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2012-12-12	2012-12-13	2,541	$98.31	$249.8K	115,529	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2012-10-22	2012-10-24	1,407	$95.00	$133.7K	117,209	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2012-10-22	2012-10-24	1,407	$95.00	$133.7K	112,988	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2012-10-22	2012-10-24	1,407	$95.00	$133.7K	114,395	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2012-10-22	2012-10-24	1,407	$95.00	$133.7K	115,802	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2012-10-17	2012-10-19	1,943	$96.78	$188.0K	118,616	SEC↗
COST COSTCO WHOLESALE CORP /NEW	A Award	2012-09-26	2012-09-28	25,000	—	$0	123,244	SEC↗
COST COSTCO WHOLESALE CORP /NEW	F Tax w/h	2012-09-26	2012-09-28	2,685	$101.00	$271.2K	120,559	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2011-10-27	2015-12-01	11,745	$84.45	$991.9K	46,991	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2011-10-14	2015-12-01	2,309	$82.37	$190.2K	66,987	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2011-10-12	2015-12-01	5,199	$81.95	$426.1K	69,296	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2010-11-11	2015-12-01	15,000	$64.46	$966.9K	52,959	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2010-11-10	2015-12-01	3,000	$64.34	$193.0K	67,959	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2010-05-06	2015-12-01	2,000	$55.17	$110.3K	55,289	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2009-11-09	2015-12-01	2,000	$60.00	$120.0K	58,058	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2009-11-04	2015-12-01	6,000	$58.59	$351.5K	60,058	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2009-11-03	2015-12-01	2,000	$58.00	$116.0K	66,058	SEC↗
COST COSTCO WHOLESALE CORP /NEW	S Sale	2009-10-30	2015-12-01	2,000	$57.00	$114.0K	68,058	SEC↗