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The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":22008,"source":{"system":"sec-edgar","filing":"0001022079-16-000341","document":"wf-form4_147942151026660.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1022079/000102207916000341/wf-form4_147942151026660.xml","form_type":"4"}},{"id":4551101,"issuer":{"id":2118,"kind":"organization","name":"QUEST DIAGNOSTICS INC","symbol":"DGX"},"owners":[{"id":45406,"kind":"person","name":"PFEIFFER GARY M","position":1,"cik":"0001127304","reported_name":"PFEIFFER GARY M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-11-17T22:25:28.000Z","date":"2016-11-15","kind":"exercise","acquired":true,"shares":6111,"price":57.665,"value":352390.815,"ownership":{"direct":true},"balance_after":28119,"source":{"system":"sec-edgar","filing":"0001022079-16-000341","document":"wf-form4_147942151026660.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1022079/000102207916000341/wf-form4_147942151026660.xml","form_type":"4"}},{"id":4551100,"issuer":{"id":2118,"kind":"organization","name":"QUEST DIAGNOSTICS INC","symbol":"DGX"},"owners":[{"id":45406,"kind":"person","name":"PFEIFFER GARY M","position":1,"cik":"0001127304","reported_name":"PFEIFFER GARY M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-11-17T22:25:28.000Z","date":"2016-11-15","kind":"sale","acquired":false,"shares":8000,"price":84.938,"value":679504.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $84.82 to $84.98.  The price reported above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":22008,"source":{"system":"sec-edgar","filing":"0001022079-16-000341","document":"wf-form4_147942151026660.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1022079/000102207916000341/wf-form4_147942151026660.xml","form_type":"4"}},{"id":4551099,"issuer":{"id":2118,"kind":"organization","name":"QUEST DIAGNOSTICS INC","symbol":"DGX"},"owners":[{"id":45406,"kind":"person","name":"PFEIFFER GARY M","position":1,"cik":"0001127304","reported_name":"PFEIFFER GARY M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-11-17T22:25:28.000Z","date":"2016-11-15","kind":"exercise","acquired":true,"shares":8000,"price":55.76,"value":446080.0,"ownership":{"direct":true},"balance_after":30008,"source":{"system":"sec-edgar","filing":"0001022079-16-000341","document":"wf-form4_147942151026660.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1022079/000102207916000341/wf-form4_147942151026660.xml","form_type":"4"}},{"id":4551098,"issuer":{"id":2118,"kind":"organization","name":"QUEST DIAGNOSTICS INC","symbol":"DGX"},"owners":[{"id":45406,"kind":"person","name":"PFEIFFER GARY M","position":1,"cik":"0001127304","reported_name":"PFEIFFER GARY M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-11-17T22:25:28.000Z","date":"2016-11-15","kind":"sale","acquired":false,"shares":8000,"price":85.012,"value":680096.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $84.96 to $85.05.  The price reported above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":22008,"source":{"system":"sec-edgar","filing":"0001022079-16-000341","document":"wf-form4_147942151026660.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1022079/000102207916000341/wf-form4_147942151026660.xml","form_type":"4"}},{"id":4551097,"issuer":{"id":2118,"kind":"organization","name":"QUEST DIAGNOSTICS INC","symbol":"DGX"},"owners":[{"id":45406,"kind":"person","name":"PFEIFFER GARY M","position":1,"cik":"0001127304","reported_name":"PFEIFFER GARY M","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-11-17T22:25:28.000Z","date":"2016-11-15","kind":"exercise","acquired":true,"shares":8000,"price":51.55,"value":412400.0,"ownership":{"direct":true},"balance_after":30008,"source":{"system":"sec-edgar","filing":"0001022079-16-000341","document":"wf-form4_147942151026660.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1022079/000102207916000341/wf-form4_147942151026660.xml","form_type":"4"}}]}