{"transactions":[{"id":172689,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2014-07-01T14:00:23.000Z","date":"2013-12-11","kind":"gift","acquired":false,"shares":445,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":249743,"source":{"system":"sec-edgar","filing":"0001209191-14-044505","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114044505/doc4.xml","form_type":"4"}},{"id":179567,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2013-11-01T15:34:49.000Z","date":"2013-09-20","kind":"grant","acquired":true,"shares":1907,"price":117.94,"value":224911.58,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents additional restricted stock units (\"RSUs\") resulting from the upward adjustment of unvested RSUs in connection with the special cash dividend paid 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 RSUs granted in October 2012 subject to performance conditions concerning fiscal 2013, which were deemed satisfied by the Compensation Committee of the Board of Directors."}],"balance_after":265242,"source":{"system":"sec-edgar","filing":"0001209191-13-050116","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113050116/doc4a.xml","form_type":"4/A","original_submission_date":"2013-09-23"}},{"id":179923,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2013-10-24T15:22:14.000Z","date":"2013-10-22","kind":"tax_withholding","acquired":false,"shares":4515,"price":117.81,"value":531912.15,"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, 2013."}],"balance_after":248281,"source":{"system":"sec-edgar","filing":"0001209191-13-049159","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049159/doc4.xml","form_type":"4"}},{"id":179922,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2013-10-24T15:22:14.000Z","date":"2013-10-22","kind":"tax_withholding","acquired":false,"shares":3765,"price":117.81,"value":443554.65,"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":252796,"source":{"system":"sec-edgar","filing":"0001209191-13-049159","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049159/doc4.xml","form_type":"4"}},{"id":179921,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2013-10-24T15:22:14.000Z","date":"2013-10-22","kind":"tax_withholding","acquired":false,"shares":3011,"price":117.81,"value":354725.91,"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":256561,"source":{"system":"sec-edgar","filing":"0001209191-13-049159","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049159/doc4.xml","form_type":"4"}},{"id":179920,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2013-10-24T15:22:14.000Z","date":"2013-10-22","kind":"tax_withholding","acquired":false,"shares":2258,"price":117.81,"value":266014.98,"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":259572,"source":{"system":"sec-edgar","filing":"0001209191-13-049159","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049159/doc4.xml","form_type":"4"}},{"id":179919,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2013-10-24T15:22:14.000Z","date":"2013-10-22","kind":"tax_withholding","acquired":false,"shares":1505,"price":117.81,"value":177304.05,"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":261830,"source":{"system":"sec-edgar","filing":"0001209191-13-049159","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049159/doc4.xml","form_type":"4"}},{"id":180269,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2013-10-11T14:09:48.000Z","date":"2012-12-19","kind":"gift","acquired":false,"shares":24500,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":240876,"source":{"system":"sec-edgar","filing":"0001209191-13-048115","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113048115/doc5.xml","form_type":"5"}},{"id":180600,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2013-09-23T21:24:27.000Z","date":"2013-09-20","kind":"tax_withholding","acquired":false,"shares":2541,"price":117.94,"value":299685.54,"ownership":{"direct":true},"balance_after":263335,"source":{"system":"sec-edgar","filing":"0001209191-13-045284","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113045284/doc4.xml","form_type":"4"}},{"id":180599,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2013-09-23T21:24:27.000Z","date":"2013-09-20","kind":"grant","acquired":true,"shares":25000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant was initially made in October 2012 subject to performance conditions concerning fiscal 2013, which have been deemed satisfied by the Compensation Committee of the Board of Directors. The shares of restricted stock subject to performance conditions vest ratably over a four year period from satisfaction based on continued employment with the Company. 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":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":265876,"source":{"system":"sec-edgar","filing":"0001209191-13-045284","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113045284/doc4.xml","form_type":"4"}},{"id":189016,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2012-12-13T23:38:15.000Z","date":"2012-12-12","kind":"grant","acquired":true,"shares":2541,"price":98.31,"value":249805.71,"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":265376,"source":{"system":"sec-edgar","filing":"0001209191-12-057558","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112057558/doc4.xml","form_type":"4"}},{"id":190394,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2012-10-24T21:27:50.000Z","date":"2012-10-22","kind":"tax_withholding","acquired":false,"shares":1215,"price":95,"value":115425.0,"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":262835,"source":{"system":"sec-edgar","filing":"0001209191-12-050458","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050458/doc4.xml","form_type":"4"}},{"id":190393,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2012-10-24T21:27:50.000Z","date":"2012-10-22","kind":"tax_withholding","acquired":false,"shares":1215,"price":95,"value":115425.0,"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":264050,"source":{"system":"sec-edgar","filing":"0001209191-12-050458","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050458/doc4.xml","form_type":"4"}},{"id":190392,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2012-10-24T21:27:50.000Z","date":"2012-10-22","kind":"tax_withholding","acquired":false,"shares":1215,"price":95,"value":115425.0,"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":265265,"source":{"system":"sec-edgar","filing":"0001209191-12-050458","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050458/doc4.xml","form_type":"4"}},{"id":190391,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2012-10-24T21:27:50.000Z","date":"2012-10-22","kind":"tax_withholding","acquired":false,"shares":1215,"price":95,"value":115425.0,"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":266480,"source":{"system":"sec-edgar","filing":"0001209191-12-050458","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050458/doc4.xml","form_type":"4"}},{"id":190495,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2012-10-19T15:58:52.000Z","date":"2012-10-17","kind":"tax_withholding","acquired":false,"shares":1650,"price":96.78,"value":159687.0,"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 17, 2012."}],"balance_after":267695,"source":{"system":"sec-edgar","filing":"0001209191-12-049989","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112049989/doc4.xml","form_type":"4"}},{"id":190971,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2012-09-28T21:22:51.000Z","date":"2012-09-26","kind":"tax_withholding","acquired":false,"shares":2205,"price":101,"value":222705.0,"ownership":{"direct":true},"balance_after":269345,"source":{"system":"sec-edgar","filing":"0001209191-12-046935","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112046935/doc4.xml","form_type":"4"}},{"id":190970,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2012-09-28T21:22:51.000Z","date":"2012-09-26","kind":"grant","acquired":true,"shares":25000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant was initially made in October 2011 subject to performance conditions concerning fiscal 2012, which have been deemed satisfied by the Compensation Committee of the Board of Directors. The shares of restricted stock subject to performance conditions vest ratably over a four year period from satisfaction based on continued employment with the Company. 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":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":271550,"source":{"system":"sec-edgar","filing":"0001209191-12-046935","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112046935/doc4.xml","form_type":"4"}},{"id":198627,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-10-24T22:11:15.000Z","date":"2011-10-22","kind":"tax_withholding","acquired":false,"shares":1215,"price":85.3,"value":103639.5,"ownership":{"direct":true},"balance_after":246550,"source":{"system":"sec-edgar","filing":"0001209191-11-052501","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052501/doc4.xml","form_type":"4"}},{"id":198626,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-10-24T22:11:15.000Z","date":"2011-10-22","kind":"tax_withholding","acquired":false,"shares":1215,"price":85.3,"value":103639.5,"ownership":{"direct":true},"balance_after":247765,"source":{"system":"sec-edgar","filing":"0001209191-11-052501","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052501/doc4.xml","form_type":"4"}},{"id":198625,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-10-24T22:11:15.000Z","date":"2011-10-22","kind":"tax_withholding","acquired":false,"shares":1215,"price":85.3,"value":103639.5,"ownership":{"direct":true},"balance_after":248980,"source":{"system":"sec-edgar","filing":"0001209191-11-052501","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052501/doc4.xml","form_type":"4"}},{"id":198701,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-10-20T20:35:25.000Z","date":"2011-10-19","kind":"tax_withholding","acquired":false,"shares":1795,"price":84.38,"value":151462.1,"ownership":{"direct":true},"balance_after":250195,"source":{"system":"sec-edgar","filing":"0001209191-11-052288","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052288/doc4.xml","form_type":"4"}},{"id":198736,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-10-19T17:29:47.000Z","date":"2011-10-17","kind":"tax_withholding","acquired":false,"shares":1773,"price":82.36,"value":146024.28,"ownership":{"direct":true},"balance_after":251990,"source":{"system":"sec-edgar","filing":"0001209191-11-052156","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052156/doc4.xml","form_type":"4"}},{"id":198832,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2011-10-17T16:56:47.000Z","date":"2011-10-14","kind":"exercise","acquired":false,"shares":44000,"price":43.79,"value":1926760.0,"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":44000},"source":{"system":"sec-edgar","filing":"0001209191-11-051795","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111051795/doc4.xml","form_type":"4"}},{"id":198831,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-10-17T16:56:47.000Z","date":"2011-10-14","kind":"sale","acquired":false,"shares":44000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n700  @  81.1900\n600  @  81.2000\n500  @  81.2100\n521  @  81.2200\n755  @  81.2300\n1324 @  81.2400\n2196 @  81.2500\n1977 @  81.2600\n1248 @  81.2700\n1306 @  81.2800\n1180 @  81.2900\n7677 @  81.3000\n100  @  81.3002\n100  @  81.3003\n100  @  81.3010\n100  @  81.3013\n100  @  81.3014\n100  @  81.3025\n200  @  81.3040\n100  @  81.3044\n1258 @  81.3050\n3303 @  81.3100\n200  @  81.3112\n100  @  81.3118\n100  @  81.3125\n200  @  81.3126\n200  @  81.3131\n6000 @  81.3150\n200  @  81.3180\n7355 @  81.3200\n100  @  81.3201\n100  @  81.3206\n100  @  81.3223\n100  @  81.3225\n3410 @  81.3250\n290  @  81.3300\n100  @  81.3400"}],"balance_after":253763,"source":{"system":"sec-edgar","filing":"0001209191-11-051795","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111051795/doc4.xml","form_type":"4"}},{"id":198830,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-10-17T16:56:47.000Z","date":"2011-10-14","kind":"exercise","acquired":true,"shares":44000,"price":43.79,"value":1926760.0,"ownership":{"direct":true},"balance_after":297763,"source":{"system":"sec-edgar","filing":"0001209191-11-051795","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111051795/doc4.xml","form_type":"4"}},{"id":198841,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-10-13T22:19:59.000Z","date":"2010-11-01","kind":"gift","acquired":false,"shares":2400,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":231603,"source":{"system":"sec-edgar","filing":"0001209191-11-051722","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111051722/doc5.xml","form_type":"5"}},{"id":199145,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-10-03T19:09:24.000Z","date":"2011-09-28","kind":"tax_withholding","acquired":false,"shares":2206,"price":83.79,"value":184840.74,"ownership":{"direct":true},"balance_after":228763,"source":{"system":"sec-edgar","filing":"0001209191-11-049667","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111049667/doc4a.xml","form_type":"4/A","original_submission_date":"2011-09-30"}},{"id":199144,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-10-03T19:09:24.000Z","date":"2011-09-28","kind":"grant","acquired":true,"shares":25000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant was initially made in October 2010 subject to performance conditions concerning fiscal 2011, which have been deemed satisfied by the Compensation Committee of the Board of Directors. The shares of restricted stock subject to performance conditions vest ratably over a four year period from satisfaction based on continued employment with the Company. 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":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":253763,"source":{"system":"sec-edgar","filing":"0001209191-11-049667","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111049667/doc4a.xml","form_type":"4/A","original_submission_date":"2011-09-30"}},{"id":199190,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-09-30T15:18:40.000Z","date":"2011-09-28","kind":"tax_withholding","acquired":false,"shares":2206,"price":83.79,"value":184840.74,"ownership":{"direct":true},"balance_after":228763,"source":{"system":"sec-edgar","filing":"0001209191-11-049468","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111049468/doc4.xml","form_type":"4"}},{"id":204019,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2011-04-14T15:28:47.000Z","date":"2011-04-12","kind":"tax_withholding","acquired":false,"shares":634,"price":76.45,"value":48469.3,"ownership":{"direct":true},"balance_after":230969,"source":{"system":"sec-edgar","filing":"0001209191-11-022872","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111022872/doc4.xml","form_type":"4"}},{"id":210495,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-10-26T21:33:13.000Z","date":"2010-10-22","kind":"tax_withholding","acquired":false,"shares":1215,"price":64.03,"value":77796.45,"ownership":{"direct":true},"balance_after":234003,"source":{"system":"sec-edgar","filing":"0001209191-10-051690","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051690/doc4.xml","form_type":"4"}},{"id":210494,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-10-26T21:33:13.000Z","date":"2010-10-22","kind":"tax_withholding","acquired":false,"shares":1215,"price":64.03,"value":77796.45,"ownership":{"direct":true},"balance_after":235218,"source":{"system":"sec-edgar","filing":"0001209191-10-051690","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051690/doc4.xml","form_type":"4"}},{"id":210811,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-10-21T17:44:49.000Z","date":"2010-10-19","kind":"tax_withholding","acquired":false,"shares":1777,"price":62.21,"value":110547.17,"ownership":{"direct":true},"balance_after":236433,"source":{"system":"sec-edgar","filing":"0001209191-10-051258","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051258/doc4.xml","form_type":"4"}},{"id":210859,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-10-19T22:00:33.000Z","date":"2010-10-17","kind":"tax_withholding","acquired":false,"shares":1750,"price":63.7,"value":111475.0,"ownership":{"direct":true},"balance_after":238210,"source":{"system":"sec-edgar","filing":"0001209191-10-051065","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051065/doc4.xml","form_type":"4"}},{"id":210984,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-10-13T22:25:09.000Z","date":"2010-10-07","kind":"tax_withholding","acquired":false,"shares":2205,"price":65.26,"value":143898.3,"ownership":{"direct":true},"balance_after":239960,"source":{"system":"sec-edgar","filing":"0001209191-10-050323","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110050323/doc4.xml","form_type":"4"}},{"id":210983,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-10-13T22:25:09.000Z","date":"2010-10-07","kind":"grant","acquired":true,"shares":25000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant was initially made in October 2009 subject to performance conditions concerning fiscal 2010, which have been deemed satisfied by the Compensation Committee of the Board of Directors. The shares of restricted stock subject to performance conditions vest ratably over a four year period from satisfaction based on continued employment with the Company. 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":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":242165,"source":{"system":"sec-edgar","filing":"0001209191-10-050323","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110050323/doc4.xml","form_type":"4"}},{"id":210991,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-10-13T20:01:09.000Z","date":"2009-10-27","kind":"gift","acquired":false,"shares":2626,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":217790,"source":{"system":"sec-edgar","filing":"0001209191-10-050255","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110050255/doc5.xml","form_type":"5"}},{"id":211074,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2010-10-12T14:46:16.000Z","date":"2010-10-08","kind":"exercise","acquired":false,"shares":12000,"price":33.75,"value":405000.0,"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":12000},"source":{"system":"sec-edgar","filing":"0001209191-10-049967","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110049967/doc4.xml","form_type":"4"}},{"id":211073,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2010-10-12T14:46:16.000Z","date":"2010-10-08","kind":"exercise","acquired":false,"shares":31000,"price":43.79,"value":1357490.0,"ownership":{"direct":true},"balance_after":44000,"derivative":{"exercise_price":43.79,"exercise_date":"2005-04-01","expiration_date":"2015-04-01","underlying":"Common Stock","underlying_shares":31000},"source":{"system":"sec-edgar","filing":"0001209191-10-049967","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110049967/doc4.xml","form_type":"4"}},{"id":211072,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-10-12T14:46:16.000Z","date":"2010-10-08","kind":"sale","acquired":false,"shares":43000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n1100 @ 64.1600\n1500 @ 64.1700\n518  @ 64.1800\n100  @ 64.1900\n4064 @ 64.2000\n618  @ 64.2100\n100  @ 64.2200\n1300 @ 64.2400\n100  @ 64.2800\n200  @ 64.3000\n1700 @ 64.3200\n492  @ 64.3500\n1400 @ 64.3600\n200  @ 64.3800\n1400 @ 64.3900\n100  @ 64.3929\n3297 @ 64.4000\n1600 @ 64.4100\n700  @ 64.4200\n2300 @ 64.4300\n200  @ 64.4400\n2402 @ 64.4500\n100  @ 64.4501\n311  @ 64.4600\n200  @ 64.4650\n2213 @ 64.4700\n700  @ 64.4701\n100  @ 64.4709\n300  @ 64.4800\n300  @ 64.5100\n1400 @ 64.5200\n5585 @ 64.5300\n1200 @ 64.5301\n100  @ 64.5312\n700  @ 64.5600\n533  @ 64.5900\n499  @ 64.6000\n600  @ 64.6100\n868  @ 64.6400\n100  @ 64.6408\n1600 @ 64.7000\n200  @ 64.7100"}],"balance_after":217165,"source":{"system":"sec-edgar","filing":"0001209191-10-049967","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110049967/doc4.xml","form_type":"4"}},{"id":211071,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-10-12T14:46:16.000Z","date":"2010-10-08","kind":"exercise","acquired":true,"shares":12000,"price":33.75,"value":405000.0,"ownership":{"direct":true},"balance_after":260165,"source":{"system":"sec-edgar","filing":"0001209191-10-049967","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110049967/doc4.xml","form_type":"4"}},{"id":211070,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-10-12T14:46:16.000Z","date":"2010-10-08","kind":"exercise","acquired":true,"shares":31000,"price":43.79,"value":1357490.0,"ownership":{"direct":true},"balance_after":248165,"source":{"system":"sec-edgar","filing":"0001209191-10-049967","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110049967/doc4.xml","form_type":"4"}},{"id":214828,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-04-13T20:37:53.000Z","date":"2010-04-12","kind":"tax_withholding","acquired":false,"shares":625,"price":60.35,"value":37718.75,"ownership":{"direct":true},"balance_after":217165,"source":{"system":"sec-edgar","filing":"0001209191-10-022079","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110022079/doc4.xml","form_type":"4"}},{"id":215665,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-03-11T15:37:25.000Z","date":"2007-07-31","kind":"gift","acquired":false,"shares":1000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":186607,"source":{"system":"sec-edgar","filing":"0001209191-10-016173","document":"doc5a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110016173/doc5a.xml","form_type":"5/A","original_submission_date":"2007-10-17"}},{"id":215667,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-03-11T15:35:51.000Z","date":"2009-06-04","kind":"gift","acquired":true,"shares":370,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":202337,"source":{"system":"sec-edgar","filing":"0001209191-10-016172","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110016172/doc5.xml","form_type":"5"}},{"id":215666,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2010-03-11T15:35:51.000Z","date":"2008-10-15","kind":"gift","acquired":false,"shares":2700,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":181225,"source":{"system":"sec-edgar","filing":"0001209191-10-016172","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110016172/doc5.xml","form_type":"5"}},{"id":220594,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2009-10-23T21:48:00.000Z","date":"2009-10-22","kind":"tax_withholding","acquired":false,"shares":1216,"price":58.27,"value":70856.32,"ownership":{"direct":true},"balance_after":223746,"source":{"system":"sec-edgar","filing":"0001209191-09-049674","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109049674/doc4.xml","form_type":"4"}},{"id":220657,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2009-10-21T16:35:49.000Z","date":"2009-10-19","kind":"tax_withholding","acquired":false,"shares":1750,"price":59.23,"value":103652.5,"ownership":{"direct":true},"balance_after":224962,"source":{"system":"sec-edgar","filing":"0001209191-09-049349","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109049349/doc4.xml","form_type":"4"}},{"id":220715,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2009-10-19T22:16:53.000Z","date":"2009-10-17","kind":"tax_withholding","acquired":false,"shares":1750,"price":58.48,"value":102340.0,"ownership":{"direct":true},"balance_after":226712,"source":{"system":"sec-edgar","filing":"0001209191-09-049153","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109049153/doc4.xml","form_type":"4"}},{"id":220919,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2009-10-14T23:17:59.000Z","date":"2009-10-13","kind":"exercise","acquired":false,"shares":75000,"price":37.35,"value":2801250.0,"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":75000},"source":{"system":"sec-edgar","filing":"0001209191-09-048638","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048638/doc4a.xml","form_type":"4/A","original_submission_date":"2009-10-13"}},{"id":220918,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2009-10-14T23:17:59.000Z","date":"2009-10-13","kind":"sale","acquired":false,"shares":75000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"No. of\nShares\t\tPrice\n 5700\t\t58.4136\n10000\t\t58.4527\n  759\t\t58.4700\n 4860\t\t58.4800\n 2404\t\t58.4925\n 3205\t\t58.5000\n 1000\t\t58.5100\n 1097\t\t58.5225\n  300\t\t58.5300\n 1200\t\t58.5400\n 2800\t\t58.5500\n 2825\t\t58.5600\n 1879\t\t58.5700\n 8066\t\t58.5800\n 2487\t\t58.5900\n 2218\t\t58.6000\n 1420\t\t58.6100\n 2308\t\t58.6200\n  563\t\t58.6300\n 1342\t\t58.6400\n 2917\t\t58.6500\n 2350\t\t58.6600\n  700\t\t58.6700\n 1500\t\t58.6800\n  300\t\t58.7100\n  100\t\t58.7400\n  700\t\t58.7500\n10000\t\t58.7773"}],"balance_after":228462,"source":{"system":"sec-edgar","filing":"0001209191-09-048638","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048638/doc4a.xml","form_type":"4/A","original_submission_date":"2009-10-13"}},{"id":220917,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2009-10-14T23:17:59.000Z","date":"2009-10-13","kind":"exercise","acquired":true,"shares":75000,"price":37.35,"value":2801250.0,"ownership":{"direct":true},"balance_after":303462,"source":{"system":"sec-edgar","filing":"0001209191-09-048638","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048638/doc4a.xml","form_type":"4/A","original_submission_date":"2009-10-13"}},{"id":220950,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2009-10-13T20:31:23.000Z","date":"2009-10-13","kind":"sale","acquired":false,"shares":75000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"No. of\nShares\t\tPrice\n 5700\t\t58.4136\n10000\t\t58.4527\n  759\t\t58.4700\n 4860\t\t58.4800\n 2404\t\t58.4925\n 3205\t\t58.5000\n 1000\t\t58.5100\n 1097\t\t58.5225\n  300\t\t58.5300\n 1200\t\t58.5400\n 2800\t\t58.5500\n 2825\t\t58.5600\n 1879\t\t58.5700\n 8066\t\t58.5800\n 2487\t\t58.5900\n 2218\t\t58.6000\n 1420\t\t58.6100\n 2308\t\t58.6200\n  563\t\t58.6300\n 1342\t\t58.6400\n 2917\t\t58.6500\n 2350\t\t58.6600\n  700\t\t58.6700\n 1500\t\t58.6800\n  300\t\t58.7100\n  100\t\t58.7400\n  700\t\t58.7500\n10000\t\t58.7773"}],"balance_after":153462,"source":{"system":"sec-edgar","filing":"0001209191-09-048443","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048443/doc4.xml","form_type":"4"}},{"id":220952,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2009-10-13T14:56:18.000Z","date":"2009-10-12","kind":"tax_withholding","acquired":false,"shares":2205,"price":58.03,"value":127956.15,"ownership":{"direct":true},"balance_after":228462,"source":{"system":"sec-edgar","filing":"0001209191-09-048346","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048346/doc4.xml","form_type":"4"}},{"id":220951,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2009-10-13T14:56:18.000Z","date":"2009-10-12","kind":"grant","acquired":true,"shares":25000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant was initially made in October 2008 subject to performance conditions concerning fiscal 2009, which have been deemed satisfied by the Compensation Committee of the Board of Directors. The shares of restricted stock subject to performance conditions vest ratably over a four year period from satisfaction based on continued employment with the Company. 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":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":230667,"source":{"system":"sec-edgar","filing":"0001209191-09-048346","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048346/doc4.xml","form_type":"4"}},{"id":225396,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2009-04-13T21:01:29.000Z","date":"2009-04-12","kind":"tax_withholding","acquired":false,"shares":629,"price":46.9,"value":29500.1,"ownership":{"direct":true},"balance_after":205667,"source":{"system":"sec-edgar","filing":"0001209191-09-021374","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109021374/doc4.xml","form_type":"4"}},{"id":228742,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2008-10-21T15:55:04.000Z","date":"2008-10-19","kind":"tax_withholding","acquired":false,"shares":1806,"price":57.98,"value":104711.88,"ownership":{"direct":true},"balance_after":206296,"source":{"system":"sec-edgar","filing":"0001209191-08-057051","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108057051/doc4.xml","form_type":"4"}},{"id":228741,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2008-10-21T15:55:04.000Z","date":"2008-10-17","kind":"tax_withholding","acquired":false,"shares":1823,"price":57.98,"value":105697.54,"ownership":{"direct":true},"balance_after":208102,"source":{"system":"sec-edgar","filing":"0001209191-08-057051","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108057051/doc4.xml","form_type":"4"}},{"id":228740,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2008-10-21T15:55:04.000Z","date":"2008-10-17","kind":"grant","acquired":true,"shares":25000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant was initially made in October 2007 subject to performance conditions concerning fiscal 2008, which were recently deemed satisfied by the Compensation Committee of the Board of Directors.  Vests one-fifth on October 17, 2008 and one-fifth annually on October 17 for the following four years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable.  Grant of Restricted Stock Units."}],"balance_after":209925,"source":{"system":"sec-edgar","filing":"0001209191-08-057051","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108057051/doc4.xml","form_type":"4"}},{"id":231016,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2008-08-12T17:25:57.000Z","date":"2008-08-12","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":184925,"source":{"system":"sec-edgar","filing":"0001209191-08-046707","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108046707/doc4.xml","form_type":"4"}},{"id":236094,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2008-04-14T19:52:49.000Z","date":"2008-04-12","kind":"tax_withholding","acquired":false,"shares":884,"price":65.7,"value":58078.8,"ownership":{"direct":true},"balance_after":184900,"source":{"system":"sec-edgar","filing":"0001209191-08-024017","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108024017/doc4.xml","form_type":"4"}},{"id":236558,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2008-03-28T17:58:52.000Z","date":"2008-03-27","kind":"exercise","acquired":false,"shares":12000,"price":33.75,"value":405000.0,"ownership":{"direct":true},"balance_after":12000,"derivative":{"exercise_price":33.75,"exercise_date":"2003-04-01","expiration_date":"2013-04-01","underlying":"Common Stock","underlying_shares":12000},"source":{"system":"sec-edgar","filing":"0001209191-08-020565","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108020565/doc4.xml","form_type":"4"}},{"id":236557,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2008-03-28T17:58:52.000Z","date":"2008-03-27","kind":"exercise","acquired":false,"shares":36000,"price":39.25,"value":1413000.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":39.25,"exercise_date":"2002-04-02","expiration_date":"2012-04-02","underlying":"Common Stock","underlying_shares":36000},"source":{"system":"sec-edgar","filing":"0001209191-08-020565","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108020565/doc4.xml","form_type":"4"}},{"id":236556,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2008-03-28T17:58:52.000Z","date":"2008-03-27","kind":"exercise","acquired":false,"shares":12000,"price":30.41,"value":364920.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":30.41,"exercise_date":"2003-04-01","expiration_date":"2013-04-01","underlying":"Common Stock","underlying_shares":12000},"source":{"system":"sec-edgar","filing":"0001209191-08-020565","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108020565/doc4.xml","form_type":"4"}},{"id":236555,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2008-03-28T17:58:52.000Z","date":"2008-03-27","kind":"sale","acquired":false,"shares":60000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"4400 @ 65.52\n2200 @ 65.53\n4600 @ 65.54\n2408 @ 65.55\n692  @ 65.56\n952  @ 65.57\n1700 @ 65.58\n1494 @ 65.59\n1365 @ 65.60\n3009 @ 65.61\n889  @ 65.62\n1200 @ 65.63\n1200 @ 65.64\n2300 @ 65.65\n700  @ 65.66\n200  @ 65.69\n3331 @ 65.70\n6400 @ 65.71\n3400 @ 65.72\n1800 @ 65.73\n560  @ 65.74\n200  @ 65.75\n238  @ 65.80\n9265 @ 65.90\n2284 @ 65.91\n1113 @ 65.92\n1100 @ 65.93\n1000 @ 65.94"}],"balance_after":185784,"source":{"system":"sec-edgar","filing":"0001209191-08-020565","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108020565/doc4.xml","form_type":"4"}},{"id":236554,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2008-03-28T17:58:52.000Z","date":"2008-03-27","kind":"exercise","acquired":true,"shares":12000,"price":33.75,"value":405000.0,"ownership":{"direct":true},"balance_after":245784,"source":{"system":"sec-edgar","filing":"0001209191-08-020565","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108020565/doc4.xml","form_type":"4"}},{"id":236553,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2008-03-28T17:58:52.000Z","date":"2008-03-27","kind":"exercise","acquired":true,"shares":12000,"price":30.41,"value":364920.0,"ownership":{"direct":true},"balance_after":233784,"source":{"system":"sec-edgar","filing":"0001209191-08-020565","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108020565/doc4.xml","form_type":"4"}},{"id":236552,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2008-03-28T17:58:52.000Z","date":"2008-03-27","kind":"exercise","acquired":true,"shares":36000,"price":39.25,"value":1413000.0,"ownership":{"direct":true},"balance_after":221784,"source":{"system":"sec-edgar","filing":"0001209191-08-020565","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108020565/doc4.xml","form_type":"4"}},{"id":243057,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2007-10-22T23:34:23.000Z","date":"2007-10-19","kind":"tax_withholding","acquired":false,"shares":1823,"price":65.7,"value":119771.1,"ownership":{"direct":true},"balance_after":210784,"source":{"system":"sec-edgar","filing":"0001209191-07-059265","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107059265/doc4.xml","form_type":"4"}},{"id":243106,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2007-10-17T18:40:49.000Z","date":"2006-12-13","kind":"gift","acquired":false,"shares":375,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":188519,"source":{"system":"sec-edgar","filing":"0001209191-07-058662","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107058662/doc5.xml","form_type":"5"}},{"id":249463,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2007-04-25T18:08:03.000Z","date":"2007-04-12","kind":"tax_withholding","acquired":false,"shares":912,"price":54.68,"value":49868.16,"ownership":{"direct":true},"balance_after":187607,"source":{"system":"sec-edgar","filing":"0001209191-07-025383","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107025383/doc4.xml","form_type":"4"}},{"id":251861,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2007-02-13T20:35:40.000Z","date":"2007-02-12","kind":"exercise","acquired":false,"shares":24000,"price":33.75,"value":810000.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"Entered the wrong month on original reporting."}],"balance_after":24000,"derivative":{"exercise_price":33.75,"exercise_date":"2003-04-01","expiration_date":"2013-04-01","underlying":"Common Stock","underlying_shares":24000},"source":{"system":"sec-edgar","filing":"0001209191-07-009831","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107009831/doc4a.xml","form_type":"4/A","original_submission_date":"2007-02-13"}},{"id":251860,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2007-02-13T20:35:40.000Z","date":"2007-02-12","kind":"exercise","acquired":false,"shares":24000,"price":38.79,"value":930960.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"Entered the wrong month on original reporting."}],"balance_after":0,"derivative":{"exercise_price":38.79,"exercise_date":"2002-04-01","expiration_date":"2012-04-01","underlying":"Common Stock","underlying_shares":24000},"source":{"system":"sec-edgar","filing":"0001209191-07-009831","document":"doc4a.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107009831/doc4a.xml","form_type":"4/A","original_submission_date":"2007-02-13"}},{"id":251859,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2007-02-13T20:35:40.000Z","date":"2007-02-12","kind":"sale","acquired":false,"shares":48000,"price":55.8246,"value":2679580.8,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"Entered the wrong month on original reporting."}],"balance_after":188519,"source":{"system":"sec-edgar","filing":"0001209191-07-009831","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107009831/doc4a.xml","form_type":"4/A","original_submission_date":"2007-02-13"}},{"id":251858,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2007-02-13T20:35:40.000Z","date":"2007-02-12","kind":"exercise","acquired":true,"shares":24000,"price":38.79,"value":930960.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"Entered the wrong month on original reporting."}],"balance_after":164519,"source":{"system":"sec-edgar","filing":"0001209191-07-009831","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107009831/doc4a.xml","form_type":"4/A","original_submission_date":"2007-02-13"}},{"id":251857,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2007-02-13T20:35:40.000Z","date":"2007-02-12","kind":"exercise","acquired":true,"shares":24000,"price":33.75,"value":810000.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"Entered the wrong month on original reporting."}],"balance_after":140519,"source":{"system":"sec-edgar","filing":"0001209191-07-009831","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107009831/doc4a.xml","form_type":"4/A","original_submission_date":"2007-02-13"}},{"id":251866,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2007-02-13T19:12:05.000Z","date":"2007-01-12","kind":"exercise","acquired":false,"shares":24000,"price":33.75,"value":810000.0,"ownership":{"direct":true},"balance_after":24000,"derivative":{"exercise_price":33.75,"exercise_date":"2003-04-01","expiration_date":"2013-04-01","underlying":"Common Stock","underlying_shares":24000},"source":{"system":"sec-edgar","filing":"0001209191-07-009691","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107009691/doc4.xml","form_type":"4"}},{"id":251865,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2007-02-13T19:12:05.000Z","date":"2007-01-12","kind":"exercise","acquired":false,"shares":24000,"price":38.79,"value":930960.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":38.79,"exercise_date":"2002-04-02","expiration_date":"2012-04-02","underlying":"Common Stock","underlying_shares":24000},"source":{"system":"sec-edgar","filing":"0001209191-07-009691","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107009691/doc4.xml","form_type":"4"}},{"id":251864,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2007-02-13T19:12:05.000Z","date":"2007-01-12","kind":"sale","acquired":false,"shares":48000,"price":55.8246,"value":2679580.8,"ownership":{"direct":true},"balance_after":188519,"source":{"system":"sec-edgar","filing":"0001209191-07-009691","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107009691/doc4.xml","form_type":"4"}},{"id":251863,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2007-02-13T19:12:05.000Z","date":"2007-01-12","kind":"exercise","acquired":true,"shares":24000,"price":38.79,"value":930960.0,"ownership":{"direct":true},"balance_after":236519,"source":{"system":"sec-edgar","filing":"0001209191-07-009691","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107009691/doc4.xml","form_type":"4"}},{"id":251862,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2007-02-13T19:12:05.000Z","date":"2007-01-12","kind":"exercise","acquired":true,"shares":24000,"price":33.75,"value":810000.0,"ownership":{"direct":true},"balance_after":212519,"source":{"system":"sec-edgar","filing":"0001209191-07-009691","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107009691/doc4.xml","form_type":"4"}},{"id":256737,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2006-10-23T17:23:55.000Z","date":"2006-10-19","kind":"grant","acquired":true,"shares":25000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Units vest 20% at October 19 over each of the next five years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":188894,"source":{"system":"sec-edgar","filing":"0001209191-06-055538","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106055538/doc4.xml","form_type":"4"}},{"id":256961,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2006-10-13T16:40:19.000Z","date":"2006-07-06","kind":"gift","acquired":false,"shares":365,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":163894,"source":{"system":"sec-edgar","filing":"0001209191-06-054649","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106054649/doc5.xml","form_type":"5"}},{"id":256960,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2006-10-13T16:40:19.000Z","date":"2005-12-07","kind":"gift","acquired":false,"shares":400,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":151759,"source":{"system":"sec-edgar","filing":"0001209191-06-054649","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106054649/doc5.xml","form_type":"5"}},{"id":260794,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2006-06-12T21:42:26.000Z","date":"2006-06-12","kind":"grant","acquired":true,"shares":12500,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-fifth on April 12, 2007 and one-fifth annually on April 12 for the following four years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":164259,"source":{"system":"sec-edgar","filing":"0001209191-06-036074","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106036074/doc4.xml","form_type":"4"}},{"id":263787,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2006-04-28T19:56:54.000Z","date":"2006-04-28","kind":"exercise","acquired":false,"shares":60000,"price":34.28,"value":2056800.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":34.28,"exercise_date":"2001-04-24","expiration_date":"2011-04-24","underlying":"Common Stock","underlying_shares":60000},"source":{"system":"sec-edgar","filing":"0001209191-06-026096","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106026096/doc4.xml","form_type":"4"}},{"id":263786,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2006-04-28T19:56:54.000Z","date":"2006-04-28","kind":"exercise","acquired":false,"shares":60000,"price":43,"value":2580000.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":43,"exercise_date":"2000-03-13","expiration_date":"2010-03-13","underlying":"Common Stock","underlying_shares":60000},"source":{"system":"sec-edgar","filing":"0001209191-06-026096","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106026096/doc4.xml","form_type":"4"}},{"id":263785,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2006-04-28T19:56:54.000Z","date":"2006-04-28","kind":"exercise","acquired":false,"shares":80000,"price":36.9063,"value":2952504.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":36.9063,"exercise_date":"1999-02-09","expiration_date":"2009-02-09","underlying":"Common Stock","underlying_shares":80000},"source":{"system":"sec-edgar","filing":"0001209191-06-026096","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106026096/doc4.xml","form_type":"4"}},{"id":263784,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2006-04-28T19:56:54.000Z","date":"2006-04-28","kind":"exercise","acquired":false,"shares":80000,"price":22.875,"value":1830000.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":22.875,"exercise_date":"1998-02-17","expiration_date":"2008-02-17","underlying":"Common Stock","underlying_shares":80000},"source":{"system":"sec-edgar","filing":"0001209191-06-026096","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106026096/doc4.xml","form_type":"4"}},{"id":263783,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2006-04-28T19:56:54.000Z","date":"2006-04-28","kind":"sale","acquired":false,"shares":280000,"price":54.3537,"value":15219036.0,"ownership":{"direct":true},"balance_after":151759,"source":{"system":"sec-edgar","filing":"0001209191-06-026096","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106026096/doc4.xml","form_type":"4"}},{"id":263782,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2006-04-28T19:56:54.000Z","date":"2006-04-28","kind":"exercise","acquired":true,"shares":60000,"price":34.28,"value":2056800.0,"ownership":{"direct":true},"balance_after":431759,"source":{"system":"sec-edgar","filing":"0001209191-06-026096","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106026096/doc4.xml","form_type":"4"}},{"id":263781,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2006-04-28T19:56:54.000Z","date":"2006-04-28","kind":"exercise","acquired":true,"shares":60000,"price":43,"value":2580000.0,"ownership":{"direct":true},"balance_after":371759,"source":{"system":"sec-edgar","filing":"0001209191-06-026096","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106026096/doc4.xml","form_type":"4"}},{"id":263780,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2006-04-28T19:56:54.000Z","date":"2006-04-28","kind":"exercise","acquired":true,"shares":80000,"price":36.9063,"value":2952504.0,"ownership":{"direct":true},"balance_after":311759,"source":{"system":"sec-edgar","filing":"0001209191-06-026096","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106026096/doc4.xml","form_type":"4"}},{"id":263779,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2006-04-28T19:56:54.000Z","date":"2006-04-28","kind":"exercise","acquired":true,"shares":80000,"price":22.87,"value":1829600.0,"ownership":{"direct":true},"balance_after":231759,"source":{"system":"sec-edgar","filing":"0001209191-06-026096","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106026096/doc4.xml","form_type":"4"}},{"id":273835,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2005-10-11T15:57:08.000Z","date":"2005-07-25","kind":"gift","acquired":false,"shares":425,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Personal gift."}],"balance_after":152159,"source":{"system":"sec-edgar","filing":"0001278889-05-000005","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000127888905000005/primary_doc.xml","form_type":"5"}},{"id":273834,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2005-10-11T15:57:08.000Z","date":"2004-12-14","kind":"gift","acquired":false,"shares":318,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Personal gift."}],"balance_after":152584,"source":{"system":"sec-edgar","filing":"0001278889-05-000005","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000127888905000005/primary_doc.xml","form_type":"5"}},{"id":273840,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2005-10-11T14:35:29.000Z","date":"2005-10-10","kind":"exercise","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":13.4375,"exercise_date":"1997-04-02","expiration_date":"2007-04-02","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001278889-05-000004","document":"c0001278889d20051010f4f.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000127888905000004/c0001278889d20051010f4f.xml","form_type":"4"}},{"id":273839,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Stock Option","published_at":"2005-10-11T14:35:29.000Z","date":"2005-10-10","kind":"exercise","acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":8.75,"exercise_date":"1996-04-10","expiration_date":"2006-04-10","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001278889-05-000004","document":"c0001278889d20051010f4f.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000127888905000004/c0001278889d20051010f4f.xml","form_type":"4"}},{"id":273838,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12592,"kind":"person","name":"WALKER THOMAS KIRK","position":1,"cik":"0001278889","reported_name":"WALKER THOMAS KIRK","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP"}}],"security":"Common Stock","published_at":"2005-10-11T14:35:29.000Z","date":"2005-10-10","kind":"sale","acquired":false,"shares":70000,"price":45.3293,"value":3173051.0,"ownership":{"direct":true},"balance_after":152159,"source":{"system":"sec-edgar","filing":"0001278889-05-000004","document":"c0001278889d20051010f4f.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000127888905000004/c0001278889d20051010f4f.xml","form_type":"4"}}],"next_cursor":"2005-10-11T14:35:29.000000Z,273838"}