| 02 Jun 2017 | GIFT | COSTCO WHOLESALE CORP /NEW | 9,415 | — | |
| 24 May 2017 | GRANT_AWARD | COSTCO WHOLESALE CORP /NEW | 2,057 | 173.01 USD | |
| 15 Dec 2016 | OTHER | COSTCO WHOLESALE CORP /NEW | 21,000 | — | |
| 15 Dec 2016 | OTHER | COSTCO WHOLESALE CORP /NEW | 21,000 | — | |
| 14 Dec 2016 | GIFT | COSTCO WHOLESALE CORP /NEW | 8,000 | — | |
| 22 Oct 2016 | TAX_WITHHOLDING | COSTCO WHOLESALE CORP /NEW | 1,168 | 148.97 USD | |
| 22 Oct 2016 | TAX_WITHHOLDING | COSTCO WHOLESALE CORP /NEW | 985 | 148.97 USD | |
| 22 Oct 2016 | TAX_WITHHOLDING | COSTCO WHOLESALE CORP /NEW | 1,168 | 148.97 USD | |
| 22 Oct 2016 | TAX_WITHHOLDING | COSTCO WHOLESALE CORP /NEW | 1,568 | 148.97 USD | |
| 22 Oct 2016 | TAX_WITHHOLDING | COSTCO WHOLESALE CORP /NEW | 1,568 | 148.97 USD | |
| 05 Oct 2016 | GRANT_AWARD | COSTCO WHOLESALE CORP /NEW | 35,190 | — | |
| 05 Oct 2016 | TAX_WITHHOLDING | COSTCO WHOLESALE CORP /NEW | 8,869 | 149.98 USD | |
| 22 Oct 2015 | GIFT | COSTCO WHOLESALE CORP /NEW | 16,000 | — | |
| 03 May 2016 | GIFT | COSTCO WHOLESALE CORP /NEW | 20 | — | |
| 12 Jul 2016 | GIFT | COSTCO WHOLESALE CORP /NEW | 19,000 | — | |
| 22 Dec 2015 | GIFT | COSTCO WHOLESALE CORP /NEW | 17,000 | — | |
| 22 Oct 2015 | TAX_WITHHOLDING | COSTCO WHOLESALE CORP /NEW | 1,168 | 158.15 USD | |
| 22 Oct 2015 | TAX_WITHHOLDING | COSTCO WHOLESALE CORP /NEW | 1,568 | 158.15 USD | |
| 22 Oct 2015 | TAX_WITHHOLDING | COSTCO WHOLESALE CORP /NEW | 1,569 | 158.15 USD | |
| 22 Oct 2015 | TAX_WITHHOLDING | COSTCO WHOLESALE CORP /NEW | 1,571 | 158.15 USD | |
| 22 Oct 2015 | TAX_WITHHOLDING | COSTCO WHOLESALE CORP /NEW | 1,168 | 158.15 USD | |
| 09 Oct 2015 | SALE | COSTCO WHOLESALE CORP /NEW | 42,493 | 154.01 USD | |
| 09 Oct 2015 | OTHER | COSTCO WHOLESALE CORP /NEW | 60,000 | 153.97 USD | |
| 09 Oct 2015 | OTHER | COSTCO WHOLESALE CORP /NEW | 60,000 | 153.97 USD | |
| 14 Oct 2014 | GIFT | COSTCO WHOLESALE CORP /NEW | 50,000 | — | |