SEC CIK 1184498

PORTERA JOSEPH P

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
COSTview stock →16,1372021-09-14

Position History — COST

Reported shares owned immediately after each Form 4 transaction, over time.

041,51083,019124,5292006-042009-042011-092013-102016-102018-102020-102021-09

Recent Filings — COST

DateActivitySharesPriceOwned After
2021-09-14Grant / award9,926—16,137
2021-09-14Tax withholding4,150$458.4111,987
2021-08-13Open-market sale3,287$445.501,789
2020-10-09Gift750—5,076
2020-09-29Open-market sale6,000$348.005,826
2020-09-16J6,937—11,826
2020-09-16J6,937—6,211
2020-09-14Tax withholding4,903$342.9613,148
2020-09-14Grant / award11,840—18,051
2019-10-30Open-market sale14,095$299.525,789
2019-10-25J9,637—19,884
2019-10-25J9,637—6,211
2019-10-22Tax withholding1,143$299.9721,946
2019-10-22Tax withholding1,821$299.9720,125
2019-10-22Tax withholding2,246$299.9717,879
2019-10-22Tax withholding2,031$299.9715,848
2019-10-22Tax withholding679$299.9723,089
2019-09-18Grant / award13,510—27,318
2019-09-18Tax withholding3,550$292.4323,768
2019-03-11Open-market sale8,901$228.5016,672
2019-03-11Open-market sale2,864$228.5313,808
2018-10-25J3,768—11,447
2018-10-25J3,768—25,573
2018-10-22Tax withholding678$229.0625,537
2018-10-22Tax withholding679$229.0624,858
2018-10-22Tax withholding562$229.0623,116
2018-10-22Tax withholding608$229.0623,678
2018-10-22Tax withholding572$229.0624,286
2018-10-05J7,472—26,215
2018-10-05J7,472—7,679
2018-10-02Grant / award12,455—38,670
2018-10-02Tax withholding4,983$236.3533,687
2018-10-02Grant / award18,680—44,895
2017-12-18Open-market sale10,000$193.09207
2017-10-27Gift1,500—10,207
2017-10-24J3,947—11,707
2017-10-24J3,947—26,841
2017-10-22Tax withholding643$160.7730,788
2017-10-22Tax withholding920$160.7733,473
2017-10-22Tax withholding606$160.7731,431
2017-10-22Tax withholding718$160.7732,037
2017-10-22Tax withholding718$160.7732,755
2017-10-02Grant / award19,570—39,310
2017-10-02Tax withholding5,543$165.8933,767
2017-10-02Grant / award626$165.8934,393
2017-05-24Grant / award1,074$173.0119,740
2017-05-24Grant / award448$173.0119,114
2017-01-10J356—7,760
2017-01-10J356—18,666
2016-12-09Open-market sale16,921$158.3819,022
2016-10-22Tax withholding697$148.9736,530
2016-10-22Tax withholding697$148.9737,227
2016-10-22Tax withholding892$148.9737,924
2016-10-22Tax withholding891$148.9738,816
2016-10-22Tax withholding587$148.9735,943
2016-10-14J7,404—7,404
2016-10-14J7,404—39,707
2016-10-05Grant / award18,440—52,004
2016-10-05Tax withholding4,893$149.9847,111
2015-10-22Tax withholding697$158.1519,218
2015-10-22Tax withholding698$158.1519,915
2015-10-22Tax withholding893$158.1520,613
2015-10-22Tax withholding893$158.1521,506
2015-10-22Tax withholding892$158.1522,399
2015-10-13Open-market sale10,000$152.7523,291
2015-09-24Tax withholding5,960$144.8770,945
2015-09-24Grant / award21,000—76,905
2015-02-27Grant / award1,599$146.9655,005
2014-10-29Open-market sale15,000$131.5553,406
2014-10-24J17,645—68,406
2014-10-24J17,645—29,645
2014-10-22Tax withholding3,423$130.5494,337
2014-10-22Tax withholding2,567$130.5497,760
2014-10-22Tax withholding1,590$130.54100,327
2014-10-22Tax withholding4,279$130.5490,058
2014-10-22Tax withholding4,007$130.5486,051
2014-10-09Open-market sale4,685$130.13101,917
2014-09-26Tax withholding2,319$125.54106,602
2014-09-26Grant / award21,000—108,921
2013-10-29Open-market sale14,900$118.2912,000
2013-10-22Tax withholding1,711$117.81112,914
2013-10-22Tax withholding1,712$117.81114,625
2013-10-22Tax withholding1,711$117.81116,337
2013-10-22Tax withholding1,711$117.81118,048
2013-10-22Tax withholding1,711$117.81119,759
2013-09-20Grant / award25,000—124,529
2013-09-20Tax withholding3,059$117.94121,470
2013-09-20Grant / award1,907$117.94123,377
2012-12-31Open-market sale16,000$97.3499,529
2012-12-12Grant / award2,541$98.31115,529
2012-10-22Tax withholding1,407$95.00117,209
2012-10-22Tax withholding1,407$95.00112,988
2012-10-22Tax withholding1,407$95.00114,395
2012-10-22Tax withholding1,407$95.00115,802
2012-10-17Tax withholding1,943$96.78118,616
2012-09-26Grant / award25,000—123,244
2012-09-26Tax withholding2,685$101.00120,559
2011-10-27Open-market sale11,745$84.4546,991
2011-10-22Tax withholding1,407$85.3099,651
2011-10-22Tax withholding1,407$85.30101,058
2011-10-22Tax withholding1,407$85.3098,244
2011-10-19Tax withholding2,081$84.38102,465
2011-10-17Tax withholding1,949$82.36104,546
2011-10-14Open-market sale2,309$82.3766,987
2011-10-12Open-market sale5,199$81.9569,296
2011-09-28Tax withholding2,685$83.7981,495
2011-09-28Grant / award25,000—106,495
2011-09-28Tax withholding2,685$83.7981,495
2011-04-17Tax withholding779$76.9784,180
2010-11-11Open-market sale15,000$64.4652,959
2010-11-10Open-market sale3,000$64.3467,959
2010-10-22Tax withholding1,408$64.0384,959
2010-10-22Tax withholding1,317$64.0386,367
2010-10-19Tax withholding1,974$62.2187,684
2010-10-17Tax withholding1,946$63.7089,658
2010-10-07Grant / award25,000—94,289
2010-10-07Tax withholding2,685$65.2691,604
2010-05-06Open-market sale2,000$55.1755,289
2010-04-30Option exercise (derivative)15,000$43.790
2010-04-30Option exercise15,000$43.7984,289
2010-04-30Open-market sale15,000—69,289
2010-04-17Tax withholding769$59.1969,289
2009-11-09Open-market sale2,000$60.0058,058
2009-11-04Open-market sale6,000$58.5960,058
2009-11-03Open-market sale2,000$58.0066,058
2009-10-30Open-market sale2,000$57.0068,058
2009-10-22Grant / award25,000—74,982
2009-10-22Tax withholding4,924$58.2770,058
2009-10-19Tax withholding1,759$59.2349,982
2009-10-17Tax withholding1,610$58.4851,741
2009-10-09Option exercise (derivative)15,000$43.7915,000
2009-10-09Open-market sale15,000—53,351
2009-10-09Option exercise15,000$43.7968,351
2009-07-27Option exercise (derivative)15,000$37.350
2009-07-27Open-market sale15,000—53,351
2009-07-27Option exercise15,000$37.3568,351
2009-04-17Tax withholding776$45.7753,351
2009-03-18Grant / award25$43.6554,127
2008-10-19Tax withholding2,093$57.9854,102
2008-10-17Grant / award25,000—58,305
2008-10-17Tax withholding2,110$57.9856,195
2008-04-17Tax withholding1,030$68.4933,592
2008-04-01Option exercise (derivative)15,000$43.7930,000
2008-04-01Option exercise (derivative)15,000$37.3515,000
2008-04-01Option exercise (derivative)15,000$33.750
2008-04-01Option exercise15,000$43.7979,622
2008-04-01Option exercise15,000$37.3564,622
2008-04-01Option exercise15,000$33.7549,622
2008-04-01Open-market sale45,000—34,622
2007-10-19Grant / award25,000—36,445
2007-10-19Tax withholding1,823$65.7034,622
2007-10-19Tax withholding2,110$65.709,335
2007-04-17Tax withholding1,055$55.6011,445
2007-04-03Option exercise (derivative)15,000$33.7515,000
2007-04-03Option exercise (derivative)15,000$39.250
2007-04-03Option exercise (derivative)15,000$43.7945,000
2007-04-03Option exercise (derivative)15,000$37.3530,000
2007-04-03Open-market sale60,000$53.9912,500
2007-04-03Option exercise15,000$39.2527,500
2007-04-03Option exercise15,000$33.7542,500
2007-04-03Option exercise15,000$37.3557,500
2007-04-03Option exercise15,000$43.7972,500
2006-10-17Grant / award12,500—12,500
2006-04-24Option exercise (derivative)15,000$34.280
2006-04-24Option exercise15,000$34.2815,000
2006-04-24Open-market sale15,000$54.250
2006-04-10Option exercise (derivative)15,000$30.4130,000
2006-04-10Option exercise (derivative)15,000$38.7915,000
2006-04-10Option exercise (derivative)15,000$37.3545,000
2006-04-10Option exercise (derivative)15,000$43.7960,000
2006-04-10Option exercise15,000$43.7960,000
2006-04-10Option exercise15,000$37.3545,000
2006-04-10Option exercise15,000$30.4130,000
2006-04-10Option exercise15,000$38.7915,000
2006-04-10Open-market sale60,000$55.000

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.