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Vests one-third on October 22, 2017, 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":6834,"source":{"system":"sec-edgar","filing":"0001209191-16-146698","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116146698/doc4.xml","form_type":"4"}},{"id":149592,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-08-18T18:38:58.000Z","date":"2016-08-17","kind":"sale","acquired":false,"shares":5737,"price":167.7439,"value":962346.7543,"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 $167.69 to $167.795 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":4652,"source":{"system":"sec-edgar","filing":"0001209191-16-137752","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919116137752/doc4.xml","form_type":"4"}},{"id":160249,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2015-10-26T22:54:23.000Z","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. 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The adjustment was required under the plan documents governing the grants. 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Grant of Restricted Stock Units."}],"balance_after":8731,"source":{"system":"sec-edgar","filing":"0001209191-14-064453","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114064453/doc4.xml","form_type":"4"}},{"id":169888,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2014-10-06T14:48:09.000Z","date":"2014-06-06","kind":"gift","acquired":false,"shares":3000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":6331,"source":{"system":"sec-edgar","filing":"0001209191-14-062019","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114062019/doc5.xml","form_type":"5"}},{"id":169887,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2014-10-06T14:48:09.000Z","date":"2014-01-17","kind":"gift","acquired":false,"shares":3000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Personal gift."}],"balance_after":9331,"source":{"system":"sec-edgar","filing":"0001209191-14-062019","document":"doc5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919114062019/doc5.xml","form_type":"5"}},{"id":180020,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2013-10-23T22:44:52.000Z","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. 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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":12456,"source":{"system":"sec-edgar","filing":"0001209191-12-057546","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112057546/doc4.xml","form_type":"4"}},{"id":190424,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2012-10-24T21:16:26.000Z","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.  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Grant of Restricted Stock Units."}],"balance_after":12000,"source":{"system":"sec-edgar","filing":"0001209191-12-050448","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919112050448/doc4.xml","form_type":"4"}},{"id":198590,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2011-10-24T22:48:13.000Z","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":9000,"source":{"system":"sec-edgar","filing":"0001209191-11-052530","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111052530/doc4.xml","form_type":"4"}},{"id":201748,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2011-05-31T20:50:16.000Z","date":"2011-05-27","kind":"exercise","acquired":false,"shares":12000,"price":43.79,"value":525480.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":43.79,"exercise_date":"2005-04-01","expiration_date":"2015-04-01","underlying":"Common 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@ 80.8307\n381   @ 80.8400\n500   @ 80.8401\n1500  @ 80.8600\n600   @ 80.8900\n700   @ 80.9200\n700   @ 80.9201\n5540  @ 80.9300\n860   @ 80.9311\n800   @ 80.9400\n100   @ 80.9401\n400   @ 80.9450\n700   @ 80.9600\n100   @ 80.9700\n1000  @ 81.0410\n100   @ 81.0900\n100   @ 81.1000\n100   @ 81.1200\n200   @ 81.1501\n100   @ 81.1600\n100   @ 81.2000\n100   @ 81.2003\n600   @ 81.2136\n200   @ 81.2412\n200   @ 81.2516\n400   @ 81.2562\n300   @ 81.2800\n300   @ 81.2900\n900   @ 81.3000\n400   @ 81.3200\n100   @ 81.3206\n400   @ 81.3209\n200   @ 81.3300\n300   @ 81.3400\n200   @ 81.3511\n500   @ 81.3520\n200   @ 81.3600\n200   @ 81.3750\n825   @ 81.3878\n175   @ 81.3900\n200   @ 81.3904\n300   @ 81.4000\n100   @ 81.4116\n500   @ 81.4140\n900   @ 81.4300\n500   @ 81.4400\n100   @ 81.4405"}],"balance_after":6000,"source":{"system":"sec-edgar","filing":"0001209191-11-031921","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111031921/doc4.xml","form_type":"4"}},{"id":201744,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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Stock","published_at":"2011-05-31T20:50:16.000Z","date":"2011-05-27","kind":"exercise","acquired":true,"shares":2300,"price":37.35,"value":85905.0,"ownership":{"direct":true},"balance_after":20300,"source":{"system":"sec-edgar","filing":"0001209191-11-031921","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919111031921/doc4.xml","form_type":"4"}},{"id":201742,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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Grant of Restricted Stock Units."}],"balance_after":16500,"source":{"system":"sec-edgar","filing":"0001209191-10-051680","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110051680/doc4.xml","form_type":"4"}},{"id":215750,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2010-03-08T23:08:44.000Z","date":"2010-03-05","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":"0001209191-10-015351","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110015351/doc4.xml","form_type":"4"}},{"id":215749,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2010-03-08T23:08:44.000Z","date":"2010-03-08","kind":"sale","acquired":false,"shares":30640,"ownership":{"direct":false,"nature":"Trustee - RTMT Trust"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Shares sold as follows:\n\n13300   @ 60.7100\n5434    @ 60.7166\n5050    @ 60.7249\n446     @ 60.7300\n100     @ 60.7302\n6010    @ 60.7400\n300     @ 60.7401"}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0001209191-10-015351","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110015351/doc4.xml","form_type":"4"}},{"id":215748,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2010-03-08T23:08:44.000Z","date":"2010-03-05","kind":"sale","acquired":false,"shares":12000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n500  @ 60.630\n300  @ 60.650\n200  @ 60.670\n900  @ 60.680\n800  @ 60.690\n900  @ 60.695\n800  @ 60.700\n260  @ 60.710\n1100 @ 60.720\n900  @ 60.730\n2840 @ 60.740\n500  @ 60.750\n300  @ 60.760\n300  @ 60.780\n900  @ 60.800\n500  @ 60.810"}],"balance_after":13500,"source":{"system":"sec-edgar","filing":"0001209191-10-015351","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110015351/doc4.xml","form_type":"4"}},{"id":215747,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2010-03-08T23:08:44.000Z","date":"2010-03-05","kind":"exercise","acquired":true,"shares":12000,"price":52.5,"value":630000.0,"ownership":{"direct":true},"balance_after":25500,"source":{"system":"sec-edgar","filing":"0001209191-10-015351","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919110015351/doc4.xml","form_type":"4"}},{"id":220586,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2009-10-23T22:43:07.000Z","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":13500,"source":{"system":"sec-edgar","filing":"0001209191-09-049684","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109049684/doc4.xml","form_type":"4"}},{"id":225316,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2009-04-15T23:25:13.000Z","date":"2009-04-15","kind":"sale","acquired":false,"shares":2016,"price":45.36,"value":91445.76,"ownership":{"direct":false,"nature":"Trustee - RTMT Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a 10b5-1 trading plan."}],"balance_after":80640,"source":{"system":"sec-edgar","filing":"0001209191-09-021671","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109021671/doc4.xml","form_type":"4"}},{"id":225561,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2009-04-01T22:14:36.000Z","date":"2009-03-31","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":"0001209191-09-019270","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109019270/doc4.xml","form_type":"4"}},{"id":225560,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2009-04-01T22:14:36.000Z","date":"2009-03-31","kind":"sale","acquired":false,"shares":16000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares sold as follows:\n\n1000 @ 46.15\n1400 @ 46.16\n1300 @ 46.17\n1300 @ 46.18\n1000 @ 46.19\n900  @ 46.20\n1100 @ 46.21\n3300 @ 46.45\n1200 @ 46.47\n1300 @ 46.48\n2200 @ 46.49"}],"balance_after":10500,"source":{"system":"sec-edgar","filing":"0001209191-09-019270","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109019270/doc4.xml","form_type":"4"}},{"id":225559,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2009-04-01T22:14:36.000Z","date":"2009-03-31","kind":"exercise","acquired":true,"shares":16000,"price":44.9688,"value":719500.8,"ownership":{"direct":true},"balance_after":26500,"source":{"system":"sec-edgar","filing":"0001209191-09-019270","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109019270/doc4.xml","form_type":"4"}},{"id":225833,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2009-03-17T16:38:42.000Z","date":"2009-03-16","kind":"sale","acquired":false,"shares":2016,"price":42.45,"value":85579.2,"ownership":{"direct":false,"nature":"Trustee - RTMT Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a 10b5-1 trading plan."}],"balance_after":82656,"source":{"system":"sec-edgar","filing":"0001209191-09-016702","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109016702/doc4.xml","form_type":"4"}},{"id":226467,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2009-02-17T23:12:55.000Z","date":"2009-02-17","kind":"sale","acquired":false,"shares":2016,"price":42.15,"value":84974.4,"ownership":{"direct":false,"nature":"Trustee - RTMT Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a 10b5-1 trading plan."}],"balance_after":84672,"source":{"system":"sec-edgar","filing":"0001209191-09-009787","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109009787/doc4.xml","form_type":"4"}},{"id":227337,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2009-01-15T22:40:39.000Z","date":"2009-01-15","kind":"sale","acquired":false,"shares":2016,"price":47.56,"value":95880.96,"ownership":{"direct":false,"nature":"Trustee - RTMT Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a 10b5-1 trading plan."}],"balance_after":86688,"source":{"system":"sec-edgar","filing":"0001209191-09-003424","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919109003424/doc4.xml","form_type":"4"}},{"id":227838,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2008-12-16T00:28:11.000Z","date":"2008-12-15","kind":"sale","acquired":false,"shares":2016,"price":53.16,"value":107170.56,"ownership":{"direct":false,"nature":"Trustee - RTMT Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a 10b5-1 trading plan."}],"balance_after":88704,"source":{"system":"sec-edgar","filing":"0001209191-08-065863","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108065863/doc4.xml","form_type":"4"}},{"id":228210,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2008-11-17T23:20:13.000Z","date":"2008-11-17","kind":"sale","acquired":false,"shares":2016,"price":47.38,"value":95518.08,"ownership":{"direct":false,"nature":"Trustee - RTMT Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a 10b5-1 trading plan."}],"balance_after":90720,"source":{"system":"sec-edgar","filing":"0001209191-08-061132","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108061132/doc4.xml","form_type":"4"}},{"id":228700,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2008-10-23T21:58:37.000Z","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":10500,"source":{"system":"sec-edgar","filing":"0001209191-08-057372","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108057372/doc4.xml","form_type":"4"}},{"id":228828,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2008-10-16T15:43:32.000Z","date":"2008-10-15","kind":"sale","acquired":false,"shares":2016,"price":56.9,"value":114710.4,"ownership":{"direct":false,"nature":"Trustee - RTMT Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a 10b5-1 trading plan."}],"balance_after":92736,"source":{"system":"sec-edgar","filing":"0001209191-08-056533","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108056533/doc4.xml","form_type":"4"}},{"id":229463,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2008-09-16T19:00:18.000Z","date":"2008-09-15","kind":"sale","acquired":false,"shares":2016,"price":68.63,"value":138358.08,"ownership":{"direct":false,"nature":"Trustee - RTMT Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a 10b5-1 trading plan."}],"balance_after":94752,"source":{"system":"sec-edgar","filing":"0001209191-08-052057","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108052057/doc4.xml","form_type":"4"}},{"id":230710,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2008-08-18T15:58:55.000Z","date":"2008-08-15","kind":"sale","acquired":false,"shares":2016,"price":67.32,"value":135717.12,"ownership":{"direct":false,"nature":"Trustee - RTMT Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a 10b5-1 trading 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plan."}],"balance_after":98784,"source":{"system":"sec-edgar","filing":"0001209191-08-042646","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108042646/doc4.xml","form_type":"4"}},{"id":232959,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN W","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option","published_at":"2008-06-11T15:09:04.000Z","date":"2008-06-09","kind":"exercise","acquired":false,"shares":22500,"price":9,"value":202500.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":9,"exercise_date":"1993-08-30","expiration_date":"2008-08-30","underlying":"Common 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71.4750\n1463 @ 71.4800\n100  @ 71.4850\n1700 @ 71.4900\n1021 @ 71.4950\n100  @ 71.4970\n100  @ 71.4975\n2700 @ 71.5000\n400  @ 71.5200\n100  @ 71.5250\n200  @ 71.5300\n100  @ 71.5350\n100  @ 71.5450\n700  @ 71.5500\n100  @ 71.5600\n100  @ 71.5700\n200  @ 71.5800\n1188 @ 71.5900\n12   @ 71.6000\n600  @ 71.6100\n200  @ 71.6800\n300  @ 71.6850\n100  @ 71.6900\n100  @ 71.7100\n216  @ 71.7200\n400  @ 71.7300\n100  @ 71.7500"}],"balance_after":7500,"source":{"system":"sec-edgar","filing":"0001209191-08-036360","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/909832/000120919108036360/doc4.xml","form_type":"4"}},{"id":232957,"issuer":{"id":2803,"kind":"organization","name":"COSTCO WHOLESALE CORP /NEW","symbol":"COST"},"owners":[{"id":11945,"kind":"person","name":"MEISENBACH JOHN W","position":1,"cik":"0001187136","reported_name":"MEISENBACH JOHN 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