{"transactions":[{"id":150736,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former Director"}}],"security":"Common Stock","published_at":"2016-07-27T14:17:01.000Z","date":"2016-07-26","kind":"sale","acquired":false,"shares":7442,"price":167.0953,"value":1243523.2226,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $166.98 to $167.26 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":18566,"source":{"system":"sec-edgar","filing":"0001209191-16-134016","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116134016/doc4.xml","form_type":"4"}},{"id":151123,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former Director"}}],"security":"Common Stock","published_at":"2016-07-13T21:41:24.000Z","date":"2016-07-13","kind":"sale","acquired":false,"shares":6180,"price":166.0332,"value":1026085.176,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $166.935 to $167.09 per share. The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":26008,"source":{"system":"sec-edgar","filing":"0001209191-16-132627","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116132627/doc4.xml","form_type":"4"}},{"id":160244,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2015-10-26T22:57:08.000Z","date":"2015-10-22","kind":"grant","acquired":true,"shares":2150,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of Restricted Stock Units. Vests one-third on October 22, 2016, and one-third annually on October 22 for the following two years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":32188,"source":{"system":"sec-edgar","filing":"0001209191-15-076809","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115076809/doc4.xml","form_type":"4"}},{"id":166058,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2015-03-03T23:28:48.000Z","date":"2015-02-27","kind":"grant","acquired":true,"shares":216,"price":146.96,"value":31743.36,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents additional restricted stock units (\"RSUs\") resulting from the upward adjustment of outstanding unvested RSUs by a factor of 1.042 in connection with the $5.00 per share special cash dividend payable by the issuer to shareholders of record on February 27, 2015.  The adjustment was required under the plan documents governing the grants. The RSUs reported are subject to the same vesting schedules as the original RSUs to which they relate."}],"balance_after":30038,"source":{"system":"sec-edgar","filing":"0001209191-15-021735","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919115021735/doc4.xml","form_type":"4"}},{"id":169615,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2014-10-23T19:19:44.000Z","date":"2014-10-22","kind":"grant","acquired":true,"shares":2400,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of Restricted Stock Units. Vests one-third on October 22, 2015 and one-third annually on October 22 for the following two years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":29822,"source":{"system":"sec-edgar","filing":"0001209191-14-064456","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114064456/doc4.xml","form_type":"4"}},{"id":180011,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2013-10-23T22:45:58.000Z","date":"2013-10-22","kind":"grant","acquired":true,"shares":2400,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of Restricted Stock Units. Vests one-third on October 22, 2014 and one-third annually on October 22 for the following two years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":27422,"source":{"system":"sec-edgar","filing":"0001209191-13-049089","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113049089/doc4.xml","form_type":"4"}},{"id":185360,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2013-04-19T19:15:34.000Z","date":"2013-04-18","kind":"exercise","acquired":false,"shares":12915,"price":40.69,"value":525511.35,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":40.69,"exercise_date":"2006-04-01","expiration_date":"2015-04-01","underlying":"Common Stock","underlying_shares":12915},"source":{"system":"sec-edgar","filing":"0001209191-13-022032","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113022032/doc4.xml","form_type":"4"}},{"id":185359,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2013-04-19T19:15:34.000Z","date":"2013-04-18","kind":"exercise","acquired":false,"shares":12915,"price":34.71,"value":448279.65,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":34.71,"exercise_date":"2005-04-01","expiration_date":"2014-04-01","underlying":"Common Stock","underlying_shares":12915},"source":{"system":"sec-edgar","filing":"0001209191-13-022032","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113022032/doc4.xml","form_type":"4"}},{"id":185358,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2013-04-19T19:15:34.000Z","date":"2013-04-18","kind":"sale","acquired":false,"shares":25830,"price":104.6336,"value":2702685.888,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from $104.1833 to $105.08 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range."}],"balance_after":25022,"source":{"system":"sec-edgar","filing":"0001209191-13-022032","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113022032/doc4.xml","form_type":"4"}},{"id":185357,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2013-04-19T19:15:34.000Z","date":"2013-04-18","kind":"exercise","acquired":true,"shares":12915,"price":40.69,"value":525511.35,"ownership":{"direct":true},"balance_after":50852,"source":{"system":"sec-edgar","filing":"0001209191-13-022032","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113022032/doc4.xml","form_type":"4"}},{"id":185356,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2013-04-19T19:15:34.000Z","date":"2013-04-18","kind":"exercise","acquired":true,"shares":12915,"price":34.71,"value":448279.65,"ownership":{"direct":true},"balance_after":37937,"source":{"system":"sec-edgar","filing":"0001209191-13-022032","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919113022032/doc4.xml","form_type":"4"}},{"id":189022,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2012-12-13T23:37:26.000Z","date":"2012-12-12","kind":"grant","acquired":true,"shares":12915,"price":40.69,"value":525511.35,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"This option was previously reported as an option covering 12,000 shares at an exercise price of $43.79 per share and has been adjusted with a lower exercise price and an increased number of options, in connection with the dividend referenced in note 1.  The number of outstanding options was increased by a factor of 1.0763, and the option exercise price was reduced by dividing the price by that same factor.  The adjustment was required under the governing plan documents."},{"field":"shares","element":"transactionShares","label":"F4","text":"This option was previously reported as an option covering 12,000 shares at an exercise price of $43.79 per share and has been adjusted with a lower exercise price and an increased number of options, in connection with the dividend referenced in note 1.  The number of outstanding options was increased by a factor of 1.0763, and the option exercise price was reduced by dividing the price by that same factor.  The adjustment was required under the governing plan documents."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This option is fully vested."}],"balance_after":12915,"derivative":{"exercise_price":40.69,"exercise_date":"2005-04-01","expiration_date":"2015-04-01","underlying":"Common Stock","underlying_shares":12915},"source":{"system":"sec-edgar","filing":"0001209191-12-057555","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112057555/doc4.xml","form_type":"4"}},{"id":189021,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2012-12-13T23:37:26.000Z","date":"2012-12-12","kind":"grant","acquired":true,"shares":12915,"price":34.71,"value":448279.65,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"This option was previously reported as an option covering 12,000 shares at an exercise price of $37.35 per share and has been adjusted with a lower exercise price and an increased number of options, in connection with the dividend referenced in note 1.  The number of outstanding options was increased by a factor of 1.0763, and the option exercise price was reduced by dividing the price by that same factor.  The adjustment was required under the governing plan documents."},{"field":"shares","element":"transactionShares","label":"F2","text":"This option was previously reported as an option covering 12,000 shares at an exercise price of $37.35 per share and has been adjusted with a lower exercise price and an increased number of options, in connection with the dividend referenced in note 1.  The number of outstanding options was increased by a factor of 1.0763, and the option exercise price was reduced by dividing the price by that same factor.  The adjustment was required under the governing plan documents."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This option is fully vested."}],"balance_after":12915,"derivative":{"exercise_price":34.71,"exercise_date":"2004-04-01","expiration_date":"2014-04-01","underlying":"Common Stock","underlying_shares":12915},"source":{"system":"sec-edgar","filing":"0001209191-12-057555","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112057555/doc4.xml","form_type":"4"}},{"id":189020,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2012-12-13T23:37:26.000Z","date":"2012-12-12","kind":"grant","acquired":true,"shares":456,"price":98.31,"value":44829.36,"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":25022,"source":{"system":"sec-edgar","filing":"0001209191-12-057555","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112057555/doc4.xml","form_type":"4"}},{"id":190403,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2012-10-24T21:24:13.000Z","date":"2012-10-22","kind":"grant","acquired":true,"shares":3000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of Restricted Stock Units.  Vests one-third on October 22, 2013 and one-third annually on October 22 for the following two years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":24566,"source":{"system":"sec-edgar","filing":"0001209191-12-050455","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050455/doc4.xml","form_type":"4"}},{"id":194057,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2012-04-30T15:13:45.000Z","date":"2012-04-27","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":"0001209191-12-024734","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112024734/doc4.xml","form_type":"4"}},{"id":194056,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2012-04-30T15:13:45.000Z","date":"2012-04-27","kind":"sale","acquired":false,"shares":12000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n7747 @ $89.0600\n2652 @ $89.0700\n547  @ $89.0800\n1024 @ $89.0900\n30   @ $89.0950"}],"balance_after":21566,"source":{"system":"sec-edgar","filing":"0001209191-12-024734","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112024734/doc4.xml","form_type":"4"}},{"id":194055,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2012-04-30T15:13:45.000Z","date":"2012-04-27","kind":"exercise","acquired":true,"shares":12000,"price":30.41,"value":364920.0,"ownership":{"direct":true},"balance_after":33566,"source":{"system":"sec-edgar","filing":"0001209191-12-024734","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112024734/doc4.xml","form_type":"4"}},{"id":198596,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2011-10-24T22:44:09.000Z","date":"2011-10-22","kind":"grant","acquired":true,"shares":3000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-third on October 22, 2012 and one-third annually on October 22 for the following two years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":21566,"source":{"system":"sec-edgar","filing":"0001209191-11-052524","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052524/doc4.xml","form_type":"4"}},{"id":201751,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2011-05-31T15:49:48.000Z","date":"2011-05-27","kind":"exercise","acquired":false,"shares":12000,"price":39.65,"value":475800.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":39.65,"exercise_date":"2002-04-01","expiration_date":"2012-04-01","underlying":"Common Stock","underlying_shares":12000},"source":{"system":"sec-edgar","filing":"0001209191-11-031761","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111031761/doc4.xml","form_type":"4"}},{"id":201750,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2011-05-31T15:49:48.000Z","date":"2011-05-27","kind":"sale","acquired":false,"shares":12000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n804  @ 81.4600\n5232 @ 81.4700\n3342 @ 81.4800\n2032 @ 81.4900\n590  @ 81.5000"}],"balance_after":18566,"source":{"system":"sec-edgar","filing":"0001209191-11-031761","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111031761/doc4.xml","form_type":"4"}},{"id":201749,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2011-05-31T15:49:48.000Z","date":"2011-05-27","kind":"exercise","acquired":true,"shares":12000,"price":39.65,"value":475800.0,"ownership":{"direct":true},"balance_after":30566,"source":{"system":"sec-edgar","filing":"0001209191-11-031761","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111031761/doc4.xml","form_type":"4"}},{"id":210500,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2010-10-26T21:30:38.000Z","date":"2010-10-22","kind":"grant","acquired":true,"shares":3000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-third on October 22, 2011 and one-third annually on October 22 for the following two years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":18566,"source":{"system":"sec-edgar","filing":"0001209191-10-051687","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051687/doc4.xml","form_type":"4"}},{"id":213277,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2010-06-21T17:07:23.000Z","date":"2010-06-21","kind":"exercise","acquired":false,"shares":12000,"price":36.1875,"value":434250.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":36.1875,"exercise_date":"2001-04-02","expiration_date":"2011-04-02","underlying":"Common Stock","underlying_shares":12000},"source":{"system":"sec-edgar","filing":"0001209191-10-035076","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110035076/doc4.xml","form_type":"4"}},{"id":213276,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2010-06-21T17:07:23.000Z","date":"2010-06-21","kind":"sale","acquired":false,"shares":12000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"5500 @ 58.50\n200  @ 58.52\n100  @ 58.54\n100  @ 58.55\n200  @ 58.58\n500  @ 58.59\n1780 @ 58.60\n716  @ 58.61\n300  @ 58.63\n500  @ 58.64\n2004 @ 58.65\n100  @ 58.67"}],"balance_after":15566,"source":{"system":"sec-edgar","filing":"0001209191-10-035076","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110035076/doc4.xml","form_type":"4"}},{"id":213275,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2010-06-21T17:07:23.000Z","date":"2010-06-21","kind":"exercise","acquired":true,"shares":12000,"price":36.1875,"value":434250.0,"ownership":{"direct":true},"balance_after":27566,"source":{"system":"sec-edgar","filing":"0001209191-10-035076","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110035076/doc4.xml","form_type":"4"}},{"id":220584,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2009-10-23T22:48:56.000Z","date":"2009-10-22","kind":"grant","acquired":true,"shares":3000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-third on October 22, 2010 and one-third annually on October 22 for the following two years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":15566,"source":{"system":"sec-edgar","filing":"0001209191-09-049686","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109049686/doc4.xml","form_type":"4"}},{"id":220955,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2009-10-13T14:02:06.000Z","date":"2009-10-09","kind":"exercise","acquired":false,"shares":12000,"price":52.5,"value":630000.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":52.5,"exercise_date":"2000-04-03","expiration_date":"2010-04-03","underlying":"Common Stock","underlying_shares":12000},"source":{"system":"sec-edgar","filing":"0001209191-09-048336","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048336/doc4.xml","form_type":"4"}},{"id":220954,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2009-10-13T14:02:06.000Z","date":"2009-10-09","kind":"sale","acquired":false,"shares":12000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"No. of\nShares\t\tPrice\n 700\t\t57.8000\n 200\t\t57.8400\n 300\t\t57.8700\n 900\t\t57.8900\n 500\t\t57.9000\n 400\t\t57.9100\n1000\t\t57.9200\n 600\t\t57.9600\n 200\t\t57.9700\n 600\t\t58.0300\n1100\t\t58.0400\n 600\t\t58.0800\n 400\t\t58.1300\n 300\t\t58.2100\n 400\t\t58.2200\n 600\t\t58.2500\n 200\t\t58.2600\n 400\t\t58.2700\n 300\t\t58.2800\n 400\t\t58.3000\n 486\t\t58.3100\n 214\t\t58.3200\n 200\t\t58.3300\n 400\t\t58.3400\n 600\t\t58.3600"}],"balance_after":12566,"source":{"system":"sec-edgar","filing":"0001209191-09-048336","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048336/doc4.xml","form_type":"4"}},{"id":220953,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2009-10-13T14:02:06.000Z","date":"2009-10-09","kind":"exercise","acquired":true,"shares":12000,"price":52.5,"value":630000.0,"ownership":{"direct":true},"balance_after":24566,"source":{"system":"sec-edgar","filing":"0001209191-09-048336","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109048336/doc4.xml","form_type":"4"}},{"id":228698,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2008-10-23T22:01:30.000Z","date":"2008-10-22","kind":"grant","acquired":true,"shares":3000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-third on October 22, 2009 and one-third annually on October 22 for the following two years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable.  Grant of Restricted Stock Units."}],"balance_after":12566,"source":{"system":"sec-edgar","filing":"0001209191-08-057374","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108057374/doc4.xml","form_type":"4"}},{"id":232707,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2008-06-30T20:55:45.000Z","date":"2008-06-30","kind":"exercise","acquired":false,"shares":16000,"price":44.9688,"value":719500.8,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":44.9688,"exercise_date":"1999-04-01","expiration_date":"2009-04-01","underlying":"Common Stock","underlying_shares":16000},"source":{"system":"sec-edgar","filing":"0001209191-08-039435","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108039435/doc4.xml","form_type":"4"}},{"id":232706,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2008-06-30T20:55:45.000Z","date":"2008-06-30","kind":"sale","acquired":false,"shares":16000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Sold as follows:\n\n6000 @ 69.9700\n498  @ 70.1400\n200  @ 70.1450\n1400 @ 70.1700\n100  @ 70.1750\n1300 @ 70.1800\n200  @ 70.1825\n100  @ 70.1850\n1602 @ 70.1900\n100  @ 70.1950\n646  @ 70.2000\n100  @ 70.2050\n106  @ 70.2100\n700  @ 70.2200\n248  @ 70.2400\n2700 @ 70.2500"}],"balance_after":9566,"source":{"system":"sec-edgar","filing":"0001209191-08-039435","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108039435/doc4.xml","form_type":"4"}},{"id":232705,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2008-06-30T20:55:45.000Z","date":"2008-06-30","kind":"exercise","acquired":true,"shares":16000,"price":44.9688,"value":719500.8,"ownership":{"direct":true},"balance_after":25566,"source":{"system":"sec-edgar","filing":"0001209191-08-039435","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108039435/doc4.xml","form_type":"4"}},{"id":243086,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2007-10-18T21:18:39.000Z","date":"2007-10-17","kind":"grant","acquired":true,"shares":3000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-third on October 17, 2008 and one-third annually on October 17 for the following two years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":9566,"source":{"system":"sec-edgar","filing":"0001209191-07-058928","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107058928/doc4.xml","form_type":"4"}},{"id":245974,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2007-07-30T15:44:44.000Z","date":"2007-07-27","kind":"exercise","acquired":false,"shares":16000,"price":27.125,"value":434000.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":27.125,"exercise_date":"1998-04-01","expiration_date":"2008-04-01","underlying":"Common Stock","underlying_shares":16000},"source":{"system":"sec-edgar","filing":"0001209191-07-044466","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107044466/doc4.xml","form_type":"4"}},{"id":245973,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2007-07-30T15:44:44.000Z","date":"2007-07-27","kind":"sale","acquired":false,"shares":16000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares were sold as follows:\n\n495     @       58.73\n400     @       58.72\n200     @       58.71\n600     @       58.70\n100     @       58.69\n100     @       58.68\n1100    @       58.67\n1300    @       58.66\n2400    @       58.65\n200     @       58.64\n999     @       58.63\n800     @       58.62\n2100    @       58.61\n2000    @       58.60\n200     @       58.58\n387     @       58.57\n300     @       58.56\n2319    @       58.55"}],"balance_after":6566,"source":{"system":"sec-edgar","filing":"0001209191-07-044466","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107044466/doc4.xml","form_type":"4"}},{"id":245972,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2007-07-30T15:44:44.000Z","date":"2007-07-27","kind":"exercise","acquired":true,"shares":16000,"price":27.125,"value":434000.0,"ownership":{"direct":true},"balance_after":22566,"source":{"system":"sec-edgar","filing":"0001209191-07-044466","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919107044466/doc4.xml","form_type":"4"}},{"id":256739,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2006-10-23T17:21:47.000Z","date":"2006-10-19","kind":"grant","acquired":true,"shares":3000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Units vest 33.33% at October 19 over each of the next three years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":6566,"source":{"system":"sec-edgar","filing":"0001209191-06-055536","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106055536/doc4.xml","form_type":"4"}},{"id":260796,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2006-06-12T21:41:03.000Z","date":"2006-06-12","kind":"grant","acquired":true,"shares":1500,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Vests one-third on April 12, 2007 and one-third annually on April 12 for the following two years."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable. Grant of Restricted Stock Units."}],"balance_after":3566,"source":{"system":"sec-edgar","filing":"0001209191-06-036072","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919106036072/doc4.xml","form_type":"4"}},{"id":265721,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":12369,"kind":"person","name":"RUCKELSHAUS JILL S","position":1,"cik":"0001228938","reported_name":"RUCKELSHAUS JILL S","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2006-03-16T17:22:36.000Z","date":"2006-03-16","kind":"exercise","acquired":false,"shares":16000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":14.0625,"exercise_date":"1997-04-01","expiration_date":"2007-04-01","underlying":"Common 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