{"transactions":[{"id":145413,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former Principal Acct Officer"}}],"security":"Common Stock","published_at":"2016-12-29T18:21:42.000Z","date":"2016-12-28","kind":"sale","acquired":false,"shares":700,"price":161.1336,"value":112793.52,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $161.13 to $161.1348 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":20926,"source":{"system":"sec-edgar","filing":"0001209191-16-156979","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116156979/doc4.xml","form_type":"4"}},{"id":145886,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former Principal Acct Officer"}}],"security":"Common Stock","published_at":"2016-12-09T22:37:06.000Z","date":"2016-12-09","kind":"sale","acquired":false,"shares":4000,"price":158.5451,"value":634180.4,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $157.9003 to $159.6065 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":21626,"source":{"system":"sec-edgar","filing":"0001209191-16-154475","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116154475/doc4.xml","form_type":"4"}},{"id":147633,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former Principal Acct Officer"}}],"security":"Common Stock","published_at":"2016-10-26T15:34:25.000Z","date":"2016-10-26","kind":"sale","acquired":false,"shares":3000,"price":151.0983,"value":453294.9,"ownership":{"direct":true},"balance_after":25626,"source":{"system":"sec-edgar","filing":"0001209191-16-146940","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116146940/doc4.xml","form_type":"4"}},{"id":147750,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2016-10-25T19:18:39.000Z","date":"2016-10-22","kind":"tax_withholding","acquired":false,"shares":1396,"price":148.97,"value":207962.12,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 21, 2016."}],"balance_after":28626,"source":{"system":"sec-edgar","filing":"0001209191-16-146847","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116146847/doc4.xml","form_type":"4"}},{"id":147749,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2016-10-25T19:18:39.000Z","date":"2016-10-22","kind":"grant","acquired":true,"shares":9970,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Grant of Restricted Stock Units. Vests one-fifth on October 22, 2016, and one-fifth annually on October 22 for the following four years.  In addition, under the Stock Incentive Plan, long term employees are eligible for accelerated vesting upon the anniversary of their 25th, 30th and 35th years of service."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":30022,"source":{"system":"sec-edgar","filing":"0001209191-16-146847","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116146847/doc4.xml","form_type":"4"}},{"id":147748,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2016-10-25T19:18:39.000Z","date":"2016-10-22","kind":"tax_withholding","acquired":false,"shares":522,"price":148.97,"value":77762.34,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 21, 2016."}],"balance_after":20052,"source":{"system":"sec-edgar","filing":"0001209191-16-146847","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116146847/doc4.xml","form_type":"4"}},{"id":147747,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2016-10-25T19:18:39.000Z","date":"2016-10-22","kind":"tax_withholding","acquired":false,"shares":404,"price":148.97,"value":60183.88,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 21, 2016."}],"balance_after":20574,"source":{"system":"sec-edgar","filing":"0001209191-16-146847","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116146847/doc4.xml","form_type":"4"}},{"id":147746,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2016-10-25T19:18:39.000Z","date":"2016-10-22","kind":"tax_withholding","acquired":false,"shares":404,"price":148.97,"value":60183.88,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 21, 2016."}],"balance_after":20978,"source":{"system":"sec-edgar","filing":"0001209191-16-146847","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116146847/doc4.xml","form_type":"4"}},{"id":147745,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2016-10-25T19:18:39.000Z","date":"2016-10-22","kind":"tax_withholding","acquired":false,"shares":512,"price":148.97,"value":76272.64,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 21, 2016."}],"balance_after":21382,"source":{"system":"sec-edgar","filing":"0001209191-16-146847","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116146847/doc4.xml","form_type":"4"}},{"id":147744,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2016-10-25T19:18:39.000Z","date":"2016-10-22","kind":"tax_withholding","acquired":false,"shares":512,"price":148.97,"value":76272.64,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 21, 2016."}],"balance_after":21894,"source":{"system":"sec-edgar","filing":"0001209191-16-146847","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116146847/doc4.xml","form_type":"4"}},{"id":159973,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2015-10-30T17:36:23.000Z","date":"2015-10-30","kind":"sale","acquired":false,"shares":3800,"price":158.6154,"value":602738.52,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $158.60 to $158.66 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":22406,"source":{"system":"sec-edgar","filing":"0001209191-15-077379","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115077379/doc4.xml","form_type":"4"}},{"id":160068,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2015-10-28T15:51:46.000Z","date":"2015-10-27","kind":"sale","acquired":false,"shares":3738,"price":157.5036,"value":588748.4568,"ownership":{"direct":true},"balance_after":26206,"source":{"system":"sec-edgar","filing":"0001209191-15-077057","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115077057/doc4.xml","form_type":"4"}},{"id":160241,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2015-10-26T23:00:52.000Z","date":"2015-10-22","kind":"grant","acquired":true,"shares":9390,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Grant of Restricted Stock Units.  Vests one-fifth on October 22, 2015 and one-fifth annually on October 22 for the following four years. In addition, under the Stock Incentive Plan, long term employees are eligible for accelerated vesting upon the anniversary of their 25th, 30th and 35th years of service."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":29944,"source":{"system":"sec-edgar","filing":"0001209191-15-076812","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115076812/doc4.xml","form_type":"4"}},{"id":160240,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2015-10-26T23:00:52.000Z","date":"2015-10-22","kind":"tax_withholding","acquired":false,"shares":1315,"price":158.15,"value":207967.25,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2015."}],"balance_after":20554,"source":{"system":"sec-edgar","filing":"0001209191-15-076812","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115076812/doc4.xml","form_type":"4"}},{"id":160239,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2015-10-26T23:00:52.000Z","date":"2015-10-22","kind":"tax_withholding","acquired":false,"shares":621,"price":158.15,"value":98211.15,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2015."}],"balance_after":21869,"source":{"system":"sec-edgar","filing":"0001209191-15-076812","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115076812/doc4.xml","form_type":"4"}},{"id":160238,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2015-10-26T23:00:52.000Z","date":"2015-10-22","kind":"tax_withholding","acquired":false,"shares":517,"price":158.15,"value":81763.55,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2015."}],"balance_after":22490,"source":{"system":"sec-edgar","filing":"0001209191-15-076812","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115076812/doc4.xml","form_type":"4"}},{"id":160237,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2015-10-26T23:00:52.000Z","date":"2015-10-22","kind":"tax_withholding","acquired":false,"shares":512,"price":158.15,"value":80972.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2015."}],"balance_after":23007,"source":{"system":"sec-edgar","filing":"0001209191-15-076812","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115076812/doc4.xml","form_type":"4"}},{"id":160236,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2015-10-26T23:00:52.000Z","date":"2015-10-22","kind":"tax_withholding","acquired":false,"shares":512,"price":158.15,"value":80972.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2015."}],"balance_after":23519,"source":{"system":"sec-edgar","filing":"0001209191-15-076812","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115076812/doc4.xml","form_type":"4"}},{"id":160235,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2015-10-26T23:00:52.000Z","date":"2015-10-22","kind":"tax_withholding","acquired":false,"shares":512,"price":158.15,"value":80972.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2015."}],"balance_after":24031,"source":{"system":"sec-edgar","filing":"0001209191-15-076812","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115076812/doc4.xml","form_type":"4"}},{"id":166062,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2015-03-03T23:26:23.000Z","date":"2015-02-27","kind":"grant","acquired":true,"shares":1005,"price":146.96,"value":147694.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents additional restricted stock units (\"RSUs\") resulting from the upward adjustment of outstanding unvested RSUs by a factor of 1.042 in connection with the $5.00 per share special cash dividend payable by the issuer to shareholders of record on February 27, 2015.  The adjustment was required under the plan documents governing the grants. The RSUs reported are subject to the same vesting schedules as the original RSUs to which they relate."}],"balance_after":24543,"source":{"system":"sec-edgar","filing":"0001209191-15-021724","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115021724/doc4.xml","form_type":"4"}},{"id":169593,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2014-10-23T19:32:50.000Z","date":"2014-10-22","kind":"tax_withholding","acquired":false,"shares":736,"price":130.54,"value":96077.44,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2014."}],"balance_after":47448,"source":{"system":"sec-edgar","filing":"0001209191-14-064468","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114064468/doc4.xml","form_type":"4"}},{"id":169592,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2014-10-23T19:32:50.000Z","date":"2014-10-22","kind":"tax_withholding","acquired":false,"shares":982,"price":130.54,"value":128190.28,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2014."}],"balance_after":46466,"source":{"system":"sec-edgar","filing":"0001209191-14-064468","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114064468/doc4.xml","form_type":"4"}},{"id":169591,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2014-10-23T19:32:50.000Z","date":"2014-10-22","kind":"tax_withholding","acquired":false,"shares":1702,"price":130.54,"value":222179.08,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2014."}],"balance_after":44764,"source":{"system":"sec-edgar","filing":"0001209191-14-064468","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114064468/doc4.xml","form_type":"4"}},{"id":169590,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2014-10-23T19:32:50.000Z","date":"2014-10-22","kind":"tax_withholding","acquired":false,"shares":2258,"price":130.54,"value":294759.32,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2014."}],"balance_after":42506,"source":{"system":"sec-edgar","filing":"0001209191-14-064468","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114064468/doc4.xml","form_type":"4"}},{"id":169589,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2014-10-23T19:32:50.000Z","date":"2014-10-22","kind":"tax_withholding","acquired":false,"shares":2081,"price":130.54,"value":271653.74,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2014."}],"balance_after":40425,"source":{"system":"sec-edgar","filing":"0001209191-14-064468","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114064468/doc4.xml","form_type":"4"}},{"id":169588,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2014-10-23T19:32:50.000Z","date":"2014-10-22","kind":"tax_withholding","acquired":false,"shares":1487,"price":130.54,"value":194112.98,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2014."}],"balance_after":38938,"source":{"system":"sec-edgar","filing":"0001209191-14-064468","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114064468/doc4.xml","form_type":"4"}},{"id":169587,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2014-10-23T19:32:50.000Z","date":"2014-10-22","kind":"grant","acquired":true,"shares":10625,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Grant of Restricted Stock Units. Vests one-fifth on October 22, 2015 and one-fifth annually on October 22 for the following four years."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":48184,"source":{"system":"sec-edgar","filing":"0001209191-14-064468","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114064468/doc4.xml","form_type":"4"}},{"id":169586,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2014-10-23T19:32:50.000Z","date":"2014-10-23","kind":"sale","acquired":false,"shares":15400,"price":131.1367,"value":2019505.18,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $131.00 to $131.37 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":23538,"source":{"system":"sec-edgar","filing":"0001209191-14-064468","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114064468/doc4.xml","form_type":"4"}},{"id":170780,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2014-08-20T01:12:20.000Z","date":"2014-08-18","kind":"grant","acquired":true,"shares":25,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Grant of stock bonus for 25 years of service."}],"balance_after":37559,"source":{"system":"sec-edgar","filing":"0001209191-14-053587","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114053587/doc4.xml","form_type":"4"}},{"id":179859,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2013-10-25T20:12:15.000Z","date":"2013-10-25","kind":"sale","acquired":false,"shares":3905,"price":115.95,"value":452784.75,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $115.93 to $115.96 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":37534,"source":{"system":"sec-edgar","filing":"0001209191-13-049385","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049385/doc4.xml","form_type":"4"}},{"id":179878,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2013-10-25T16:13:13.000Z","date":"2013-10-24","kind":"sale","acquired":false,"shares":2500,"price":116.14,"value":290350.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $116.12 to $116.15 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":41439,"source":{"system":"sec-edgar","filing":"0001209191-13-049330","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049330/doc4.xml","form_type":"4"}},{"id":179947,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2013-10-24T15:19:57.000Z","date":"2013-10-22","kind":"sale","acquired":false,"shares":2500,"price":117.09,"value":292725.0,"ownership":{"direct":true},"balance_after":43939,"source":{"system":"sec-edgar","filing":"0001209191-13-049154","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049154/doc4.xml","form_type":"4"}},{"id":179946,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2013-10-24T15:19:57.000Z","date":"2013-10-22","kind":"grant","acquired":true,"shares":10625,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Grant of Restricted Stock Units.  Vests one-fifth on October 22, 2014 and one-fifth annually on October 22 for the following four years."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":46439,"source":{"system":"sec-edgar","filing":"0001209191-13-049154","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049154/doc4.xml","form_type":"4"}},{"id":179945,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2013-10-24T15:19:57.000Z","date":"2013-10-22","kind":"tax_withholding","acquired":false,"shares":1130,"price":117.81,"value":133125.3,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2013."}],"balance_after":35814,"source":{"system":"sec-edgar","filing":"0001209191-13-049154","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049154/doc4.xml","form_type":"4"}},{"id":179944,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2013-10-24T15:19:57.000Z","date":"2013-10-22","kind":"tax_withholding","acquired":false,"shares":1129,"price":117.81,"value":133007.49,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2013."}],"balance_after":36944,"source":{"system":"sec-edgar","filing":"0001209191-13-049154","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049154/doc4.xml","form_type":"4"}},{"id":179943,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2013-10-24T15:19:57.000Z","date":"2013-10-22","kind":"tax_withholding","acquired":false,"shares":821,"price":117.81,"value":96722.01,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2013."}],"balance_after":38073,"source":{"system":"sec-edgar","filing":"0001209191-13-049154","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049154/doc4.xml","form_type":"4"}},{"id":179942,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2013-10-24T15:19:57.000Z","date":"2013-10-22","kind":"tax_withholding","acquired":false,"shares":736,"price":117.81,"value":86708.16,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2013."}],"balance_after":38894,"source":{"system":"sec-edgar","filing":"0001209191-13-049154","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049154/doc4.xml","form_type":"4"}},{"id":179941,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2013-10-24T15:19:57.000Z","date":"2013-10-22","kind":"tax_withholding","acquired":false,"shares":736,"price":117.81,"value":86708.16,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2013."}],"balance_after":39630,"source":{"system":"sec-edgar","filing":"0001209191-13-049154","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049154/doc4.xml","form_type":"4"}},{"id":188733,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2012-12-27T16:18:48.000Z","date":"2012-12-26","kind":"sale","acquired":false,"shares":1615,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $98.70 to $98.7035 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":40366,"source":{"system":"sec-edgar","filing":"0001209191-12-059420","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112059420/doc4.xml","form_type":"4"}},{"id":189025,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2012-12-13T23:36:14.000Z","date":"2012-12-12","kind":"grant","acquired":true,"shares":2858,"price":98.31,"value":280969.98,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents additional restricted stock units (\"RSUs\") resulting from the upward adjustment of outstanding unvested RSUs by a factor of 1.0763 in connection with the $7.00 per share special cash dividend payable by the issuer to shareholders of record on December 10, 2012.  The adjustment was required under the plan documents governing the grants.  The RSUs reported are subject to the same vesting schedules as the original RSUs to which they relate."}],"balance_after":41981,"source":{"system":"sec-edgar","filing":"0001209191-12-057552","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112057552/doc4.xml","form_type":"4"}},{"id":190281,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2012-10-26T18:32:24.000Z","date":"2012-10-26","kind":"sale","acquired":false,"shares":3676,"price":96.7161,"value":355528.3836,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $96.70 to $96.73 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":39123,"source":{"system":"sec-edgar","filing":"0001209191-12-050616","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050616/doc4.xml","form_type":"4"}},{"id":190414,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2012-10-24T21:20:54.000Z","date":"2012-10-24","kind":"sale","acquired":false,"shares":1838,"price":95.7958,"value":176072.6804,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $95.7900 to $95.7978 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":42799,"source":{"system":"sec-edgar","filing":"0001209191-12-050452","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050452/doc4.xml","form_type":"4"}},{"id":190413,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2012-10-24T21:20:54.000Z","date":"2012-10-22","kind":"grant","acquired":true,"shares":12500,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Grant of Restricted Stock Units.  Vests one-fifth on October 22, 2013 and one-fifth annually on October 22 for the following four years."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":44637,"source":{"system":"sec-edgar","filing":"0001209191-12-050452","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050452/doc4.xml","form_type":"4"}},{"id":190412,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2012-10-24T21:20:54.000Z","date":"2012-10-22","kind":"tax_withholding","acquired":false,"shares":886,"price":95,"value":84170.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units.  The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2012."}],"balance_after":32137,"source":{"system":"sec-edgar","filing":"0001209191-12-050452","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050452/doc4.xml","form_type":"4"}},{"id":190411,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2012-10-24T21:20:54.000Z","date":"2012-10-22","kind":"tax_withholding","acquired":false,"shares":662,"price":95,"value":62890.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units.  The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2012."}],"balance_after":33023,"source":{"system":"sec-edgar","filing":"0001209191-12-050452","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050452/doc4.xml","form_type":"4"}},{"id":190410,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2012-10-24T21:20:54.000Z","date":"2012-10-22","kind":"tax_withholding","acquired":false,"shares":662,"price":95,"value":62890.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units.  The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2012."}],"balance_after":33685,"source":{"system":"sec-edgar","filing":"0001209191-12-050452","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050452/doc4.xml","form_type":"4"}},{"id":190409,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2012-10-24T21:20:54.000Z","date":"2012-10-22","kind":"tax_withholding","acquired":false,"shares":662,"price":95,"value":62890.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units.  The price represents the closing market price of Costco common stock on NASDAQ on October 22, 2012."}],"balance_after":34347,"source":{"system":"sec-edgar","filing":"0001209191-12-050452","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050452/doc4.xml","form_type":"4"}},{"id":190501,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2012-10-19T15:56:23.000Z","date":"2012-10-17","kind":"sale","acquired":false,"shares":1835,"price":96.4796,"value":177040.066,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $96.46 to $96.49 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":35009,"source":{"system":"sec-edgar","filing":"0001209191-12-049985","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112049985/doc4.xml","form_type":"4"}},{"id":190500,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2012-10-19T15:56:23.000Z","date":"2012-10-17","kind":"tax_withholding","acquired":false,"shares":655,"price":96.78,"value":63390.9,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction is a withholding by the Company for taxes in connection with the vesting of previously granted restricted stock units. The price represents the closing market price of Costco common stock on NASDAQ on October 17, 2012."}],"balance_after":36844,"source":{"system":"sec-edgar","filing":"0001209191-12-049985","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112049985/doc4.xml","form_type":"4"}},{"id":198621,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2011-10-24T22:14:01.000Z","date":"2011-10-24","kind":"sale","acquired":false,"shares":5326,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Shares sold as follows:\n\n1,739 @ 85.0100\n1,300 @ 85.0200\n987   @ 85.0300\n900   @ 85.0400\n400   @ 85.0500"}],"balance_after":37499,"source":{"system":"sec-edgar","filing":"0001209191-11-052505","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052505/doc4.xml","form_type":"4"}},{"id":198620,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2011-10-24T22:14:01.000Z","date":"2011-10-22","kind":"grant","acquired":true,"shares":12500,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-fifth on October 22, 2012 and one-fifth annually on October 22 for the following four years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":42825,"source":{"system":"sec-edgar","filing":"0001209191-11-052505","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052505/doc4.xml","form_type":"4"}},{"id":198619,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2011-10-24T22:14:01.000Z","date":"2011-10-22","kind":"tax_withholding","acquired":false,"shares":851,"price":85.3,"value":72590.3,"ownership":{"direct":true},"balance_after":30325,"source":{"system":"sec-edgar","filing":"0001209191-11-052505","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052505/doc4.xml","form_type":"4"}},{"id":198618,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2011-10-24T22:14:01.000Z","date":"2011-10-22","kind":"tax_withholding","acquired":false,"shares":662,"price":85.3,"value":56468.6,"ownership":{"direct":true},"balance_after":31176,"source":{"system":"sec-edgar","filing":"0001209191-11-052505","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052505/doc4.xml","form_type":"4"}},{"id":198617,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2011-10-24T22:14:01.000Z","date":"2011-10-22","kind":"tax_withholding","acquired":false,"shares":662,"price":85.3,"value":56468.6,"ownership":{"direct":true},"balance_after":31838,"source":{"system":"sec-edgar","filing":"0001209191-11-052505","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052505/doc4.xml","form_type":"4"}},{"id":198692,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2011-10-20T20:56:33.000Z","date":"2011-10-20","kind":"sale","acquired":false,"shares":1844,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n837\t @ \t84.1700\n611\t @ \t84.1800\n396\t @ \t84.1816"}],"balance_after":32500,"source":{"system":"sec-edgar","filing":"0001209191-11-052300","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052300/doc4.xml","form_type":"4"}},{"id":198691,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2011-10-20T20:56:33.000Z","date":"2011-10-19","kind":"tax_withholding","acquired":false,"shares":656,"price":84.38,"value":55353.28,"ownership":{"direct":true},"balance_after":34344,"source":{"system":"sec-edgar","filing":"0001209191-11-052300","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052300/doc4.xml","form_type":"4"}},{"id":198742,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2011-10-19T17:25:33.000Z","date":"2011-10-17","kind":"sale","acquired":false,"shares":1845,"price":82.35,"value":151935.75,"ownership":{"direct":true},"balance_after":35000,"source":{"system":"sec-edgar","filing":"0001209191-11-052152","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052152/doc4.xml","form_type":"4"}},{"id":198741,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2011-10-19T17:25:33.000Z","date":"2011-10-17","kind":"tax_withholding","acquired":false,"shares":655,"price":82.36,"value":53945.8,"ownership":{"direct":true},"balance_after":36845,"source":{"system":"sec-edgar","filing":"0001209191-11-052152","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052152/doc4.xml","form_type":"4"}},{"id":204022,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2011-04-14T15:26:10.000Z","date":"2011-04-13","kind":"sale","acquired":false,"shares":931,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n126 @ 76.47\n805 @ 76.48"}],"balance_after":37500,"source":{"system":"sec-edgar","filing":"0001209191-11-022870","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111022870/doc4.xml","form_type":"4"}},{"id":204021,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2011-04-14T15:26:10.000Z","date":"2011-04-12","kind":"tax_withholding","acquired":false,"shares":319,"price":76.45,"value":24387.55,"ownership":{"direct":true},"balance_after":38431,"source":{"system":"sec-edgar","filing":"0001209191-11-022870","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111022870/doc4.xml","form_type":"4"}},{"id":209825,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Stock Option","published_at":"2010-11-09T21:37:18.000Z","date":"2010-11-08","kind":"exercise","acquired":false,"shares":7500,"price":43.79,"value":328425.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":43.79,"exercise_date":"2005-04-01","expiration_date":"2015-04-01","underlying":"Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001209191-10-053968","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110053968/doc4.xml","form_type":"4"}},{"id":209824,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-11-09T21:37:18.000Z","date":"2010-11-08","kind":"sale","acquired":false,"shares":1838,"price":64.7823,"value":119069.8674,"ownership":{"direct":true},"balance_after":38750,"source":{"system":"sec-edgar","filing":"0001209191-10-053968","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110053968/doc4.xml","form_type":"4"}},{"id":209823,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-11-09T21:37:18.000Z","date":"2010-11-08","kind":"sale","acquired":false,"shares":7500,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n6100 @ 64.7600\n300  @ 64.7602\n1100 @ 64.7605"}],"balance_after":40588,"source":{"system":"sec-edgar","filing":"0001209191-10-053968","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110053968/doc4.xml","form_type":"4"}},{"id":209822,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-11-09T21:37:18.000Z","date":"2010-11-08","kind":"exercise","acquired":true,"shares":7500,"price":43.79,"value":328425.0,"ownership":{"direct":true},"balance_after":48088,"source":{"system":"sec-edgar","filing":"0001209191-10-053968","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110053968/doc4.xml","form_type":"4"}},{"id":210437,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-10-28T22:08:33.000Z","date":"2010-10-28","kind":"sale","acquired":false,"shares":1838,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n1300 @ 62.8100\n100  @ 62.8102\n338  @ 62.8123\n100  @ 62.8150"}],"balance_after":40588,"source":{"system":"sec-edgar","filing":"0001209191-10-052026","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110052026/doc4.xml","form_type":"4"}},{"id":210506,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-10-26T21:27:55.000Z","date":"2010-10-22","kind":"grant","acquired":true,"shares":12500,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-fifth on October 22, 2011 and one-fifth annually on October 22 for the following four years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":42426,"source":{"system":"sec-edgar","filing":"0001209191-10-051684","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051684/doc4.xml","form_type":"4"}},{"id":210505,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-10-26T21:27:55.000Z","date":"2010-10-22","kind":"tax_withholding","acquired":false,"shares":662,"price":64.03,"value":42387.86,"ownership":{"direct":true},"balance_after":29926,"source":{"system":"sec-edgar","filing":"0001209191-10-051684","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051684/doc4.xml","form_type":"4"}},{"id":210504,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-10-26T21:27:55.000Z","date":"2010-10-22","kind":"tax_withholding","acquired":false,"shares":662,"price":64.03,"value":42387.86,"ownership":{"direct":true},"balance_after":30588,"source":{"system":"sec-edgar","filing":"0001209191-10-051684","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051684/doc4.xml","form_type":"4"}},{"id":210809,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-10-21T21:00:28.000Z","date":"2010-10-21","kind":"sale","acquired":false,"shares":1815,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n200  @ 63.4000\n1615 @ 63.4023"}],"balance_after":31250,"source":{"system":"sec-edgar","filing":"0001209191-10-051293","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051293/doc4.xml","form_type":"4"}},{"id":210816,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-10-21T17:37:28.000Z","date":"2010-10-20","kind":"sale","acquired":false,"shares":1875,"price":62.7723,"value":117698.0625,"ownership":{"direct":true},"balance_after":33065,"source":{"system":"sec-edgar","filing":"0001209191-10-051254","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051254/doc4.xml","form_type":"4"}},{"id":210815,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-10-21T17:37:28.000Z","date":"2010-10-19","kind":"tax_withholding","acquired":false,"shares":685,"price":62.21,"value":42613.85,"ownership":{"direct":true},"balance_after":34940,"source":{"system":"sec-edgar","filing":"0001209191-10-051254","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051254/doc4.xml","form_type":"4"}},{"id":210863,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-10-19T21:57:25.000Z","date":"2010-10-17","kind":"tax_withholding","acquired":false,"shares":625,"price":63.7,"value":39812.5,"ownership":{"direct":true},"balance_after":35625,"source":{"system":"sec-edgar","filing":"0001209191-10-051060","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051060/doc4.xml","form_type":"4"}},{"id":210913,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Stock Option","published_at":"2010-10-18T16:04:52.000Z","date":"2010-10-15","kind":"exercise","acquired":false,"shares":7500,"price":43.79,"value":328425.0,"ownership":{"direct":true},"balance_after":7500,"derivative":{"exercise_price":43.79,"exercise_date":"2005-04-01","expiration_date":"2015-04-01","underlying":"Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001209191-10-050601","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110050601/doc4.xml","form_type":"4"}},{"id":210912,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-10-18T16:04:52.000Z","date":"2010-10-15","kind":"sale","acquired":false,"shares":7500,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n3,011 @ $63.6500\n3,893 @ $63.6523\n       100 @ $63.6550\n       496 @ $63.6600"}],"balance_after":36250,"source":{"system":"sec-edgar","filing":"0001209191-10-050601","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110050601/doc4.xml","form_type":"4"}},{"id":210911,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-10-18T16:04:52.000Z","date":"2010-10-15","kind":"exercise","acquired":true,"shares":7500,"price":43.79,"value":328425.0,"ownership":{"direct":true},"balance_after":43750,"source":{"system":"sec-edgar","filing":"0001209191-10-050601","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110050601/doc4.xml","form_type":"4"}},{"id":214596,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-04-23T19:15:55.000Z","date":"2010-04-23","kind":"sale","acquired":false,"shares":932,"price":60.243,"value":56146.476,"ownership":{"direct":true},"balance_after":36250,"source":{"system":"sec-edgar","filing":"0001209191-10-023495","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110023495/doc4.xml","form_type":"4"}},{"id":214830,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2010-04-13T20:33:48.000Z","date":"2010-04-12","kind":"tax_withholding","acquired":false,"shares":318,"price":60.35,"value":19191.3,"ownership":{"direct":true},"balance_after":37182,"source":{"system":"sec-edgar","filing":"0001209191-10-022072","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110022072/doc4.xml","form_type":"4"}},{"id":219709,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2009-11-09T19:59:39.000Z","date":"2009-11-09","kind":"sale","acquired":false,"shares":3689,"price":60,"value":221340.0,"ownership":{"direct":true},"balance_after":37500,"source":{"system":"sec-edgar","filing":"0001209191-09-051615","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109051615/doc4.xml","form_type":"4"}},{"id":220439,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2009-10-30T01:46:18.000Z","date":"2009-10-29","kind":"sale","acquired":false,"shares":1838,"price":57.6823,"value":106020.0674,"ownership":{"direct":true},"balance_after":41189,"source":{"system":"sec-edgar","filing":"0001209191-09-050172","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109050172/doc4.xml","form_type":"4"}},{"id":220582,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2009-10-23T23:02:30.000Z","date":"2009-10-22","kind":"tax_withholding","acquired":false,"shares":662,"price":58.27,"value":38574.74,"ownership":{"direct":true},"balance_after":43027,"source":{"system":"sec-edgar","filing":"0001209191-09-049688","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109049688/doc4a.xml","form_type":"4/A","original_submission_date":"2009-10-23"}},{"id":220581,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2009-10-23T23:02:30.000Z","date":"2009-10-22","kind":"grant","acquired":true,"shares":12500,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-fifth on October 22, 2010 and one-fifth annually on October 22 for the following four years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":43689,"source":{"system":"sec-edgar","filing":"0001209191-09-049688","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109049688/doc4a.xml","form_type":"4/A","original_submission_date":"2009-10-23"}},{"id":220583,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2009-10-23T22:54:40.000Z","date":"2009-10-22","kind":"grant","acquired":true,"shares":12500,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-fifth on October 22, 2010 and one-fifth annually on October 22 for the following four years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":43689,"source":{"system":"sec-edgar","filing":"0001209191-09-049687","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109049687/doc4.xml","form_type":"4"}},{"id":220661,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2009-10-21T16:27:54.000Z","date":"2009-10-19","kind":"tax_withholding","acquired":false,"shares":649,"price":59.23,"value":38440.27,"ownership":{"direct":true},"balance_after":31189,"source":{"system":"sec-edgar","filing":"0001209191-09-049343","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109049343/doc4.xml","form_type":"4"}},{"id":220719,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2009-10-19T22:14:33.000Z","date":"2009-10-17","kind":"tax_withholding","acquired":false,"shares":662,"price":58.48,"value":38713.76,"ownership":{"direct":true},"balance_after":31838,"source":{"system":"sec-edgar","filing":"0001209191-09-049149","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109049149/doc4.xml","form_type":"4"}},{"id":220916,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Stock Option","published_at":"2009-10-14T23:18:43.000Z","date":"2009-10-14","kind":"exercise","acquired":false,"shares":7500,"price":37.35,"value":280125.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":37.35,"exercise_date":"2004-04-01","expiration_date":"2014-04-01","underlying":"Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001209191-09-048639","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048639/doc4.xml","form_type":"4"}},{"id":220915,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2009-10-14T23:18:43.000Z","date":"2009-10-14","kind":"sale","acquired":false,"shares":7500,"price":58.6423,"value":439817.25,"ownership":{"direct":true},"balance_after":32500,"source":{"system":"sec-edgar","filing":"0001209191-09-048639","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048639/doc4.xml","form_type":"4"}},{"id":220914,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2009-10-14T23:18:43.000Z","date":"2009-10-14","kind":"exercise","acquired":true,"shares":7500,"price":37.35,"value":280125.0,"ownership":{"direct":true},"balance_after":40000,"source":{"system":"sec-edgar","filing":"0001209191-09-048639","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048639/doc4.xml","form_type":"4"}},{"id":225140,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2009-04-22T20:26:58.000Z","date":"2009-04-22","kind":"sale","acquired":false,"shares":933,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n833 @ 47.072\n100 @ 47.070"}],"balance_after":32500,"source":{"system":"sec-edgar","filing":"0001209191-09-022377","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109022377/doc4.xml","form_type":"4"}},{"id":225400,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2009-04-13T20:59:53.000Z","date":"2009-04-12","kind":"tax_withholding","acquired":false,"shares":317,"price":46.9,"value":14867.3,"ownership":{"direct":true},"balance_after":33433,"source":{"system":"sec-edgar","filing":"0001209191-09-021372","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109021372/doc4.xml","form_type":"4"}},{"id":228697,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2008-10-23T22:03:06.000Z","date":"2008-10-22","kind":"grant","acquired":true,"shares":12500,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-fifth on October 22, 2009 and one-fifth annually on October 22 for the following four years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable.  Grant of Restricted Stock Units."}],"balance_after":33750,"source":{"system":"sec-edgar","filing":"0001209191-08-057375","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108057375/doc4.xml","form_type":"4"}},{"id":228727,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2008-10-22T20:14:07.000Z","date":"2008-10-22","kind":"sale","acquired":false,"shares":3194,"price":54.76,"value":174903.44,"ownership":{"direct":true},"balance_after":21250,"source":{"system":"sec-edgar","filing":"0001209191-08-057221","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108057221/doc4.xml","form_type":"4"}},{"id":228753,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2008-10-21T15:51:07.000Z","date":"2008-10-19","kind":"tax_withholding","acquired":false,"shares":903,"price":57.98,"value":52355.94,"ownership":{"direct":true},"balance_after":24444,"source":{"system":"sec-edgar","filing":"0001209191-08-057047","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108057047/doc4.xml","form_type":"4"}},{"id":228752,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2008-10-21T15:51:07.000Z","date":"2008-10-17","kind":"tax_withholding","acquired":false,"shares":903,"price":57.98,"value":52355.94,"ownership":{"direct":true},"balance_after":25347,"source":{"system":"sec-edgar","filing":"0001209191-08-057047","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108057047/doc4.xml","form_type":"4"}},{"id":232667,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Stock Option","published_at":"2008-07-01T20:48:06.000Z","date":"2008-07-01","kind":"exercise","acquired":false,"shares":7500,"price":49.8125,"value":373593.75,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":49.8125,"exercise_date":"2000-03-13","expiration_date":"2010-03-13","underlying":"Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001209191-08-039815","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108039815/doc4.xml","form_type":"4"}},{"id":232666,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2008-07-01T20:48:06.000Z","date":"2008-07-01","kind":"sale","acquired":false,"shares":7500,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Sold as follows:\n\n2550 @ 72.4800\n50   @ 72.4801\n1400 @ 72.4900\n3300 @ 72.4913\n200  @ 72.4930"}],"balance_after":26250,"source":{"system":"sec-edgar","filing":"0001209191-08-039815","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108039815/doc4.xml","form_type":"4"}},{"id":232665,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2008-07-01T20:48:06.000Z","date":"2008-07-01","kind":"exercise","acquired":true,"shares":7500,"price":49.8125,"value":373593.75,"ownership":{"direct":true},"balance_after":33750,"source":{"system":"sec-edgar","filing":"0001209191-08-039815","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108039815/doc4.xml","form_type":"4"}},{"id":235315,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Stock Option","published_at":"2008-05-02T17:46:13.000Z","date":"2008-05-01","kind":"exercise","acquired":false,"shares":7500,"price":33.75,"value":253125.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":33.75,"exercise_date":"2003-04-01","expiration_date":"2013-04-01","underlying":"Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001209191-08-027141","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108027141/doc4.xml","form_type":"4"}},{"id":235314,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2008-05-02T17:46:13.000Z","date":"2008-05-01","kind":"sale","acquired":false,"shares":7500,"price":72,"value":540000.0,"ownership":{"direct":true},"balance_after":26250,"source":{"system":"sec-edgar","filing":"0001209191-08-027141","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108027141/doc4.xml","form_type":"4"}},{"id":235313,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Common Stock","published_at":"2008-05-02T17:46:13.000Z","date":"2008-05-01","kind":"exercise","acquired":true,"shares":7500,"price":33.75,"value":253125.0,"ownership":{"direct":true},"balance_after":33750,"source":{"system":"sec-edgar","filing":"0001209191-08-027141","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108027141/doc4.xml","form_type":"4"}},{"id":235320,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12335,"kind":"person","name":"PETTERSON DAVID S","position":1,"cik":"0001184497","reported_name":"PETTERSON DAVID S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Principal Accounting Officer"}}],"security":"Stock Option","published_at":"2008-05-02T17:41:39.000Z","date":"2008-04-18","kind":"exercise","acquired":false,"shares":2500,"price":37.35,"value":93375.0,"ownership":{"direct":true},"balance_after":7500,"derivative":{"exercise_price":37.35,"exercise_date":"2004-04-01","expiration_date":"2014-04-01","underlying":"Common Stock","underlying_shares":2500},"source":{"system":"sec-edgar","filing":"0001209191-08-027138","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108027138/doc4a.xml","form_type":"4/A","original_submission_date":"2008-04-21"}}],"next_cursor":"2008-05-02T17:41:39.000000Z,235320"}