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The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":691950.063,"source":{"system":"sec-edgar","filing":"0001225208-18-013571","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000122520818013571/doc4.xml","form_type":"4"}},{"id":124357,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":11578,"kind":"person","name":"FRAZIER KENNETH C","position":1,"cik":"0001181175","reported_name":"FRAZIER KENNETH C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President & CEO"}}],"security":"Common Stock","published_at":"2018-09-19T21:43:27.000Z","date":"2018-09-18","kind":"exercise","acquired":true,"shares":279851,"price":36.56,"value":10231352.56,"ownership":{"direct":true},"balance_after":971801.063,"source":{"system":"sec-edgar","filing":"0001225208-18-013571","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000122520818013571/doc4.xml","form_type":"4"}},{"id":126324,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":11578,"kind":"person","name":"FRAZIER KENNETH C","position":1,"cik":"0001181175","reported_name":"FRAZIER KENNETH C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President & CEO"}}],"security":"Stock Option (right to buy)","published_at":"2018-08-01T21:12:20.000Z","date":"2018-07-31","kind":"exercise","acquired":false,"shares":228091,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option became exercisable in equal installments on 5/7/2011, 5/7/2012 and 5/7/2013."}],"balance_after":0,"derivative":{"exercise_price":33.49,"exercise_date":"2011-05-07","expiration_date":"2020-05-06","underlying":"Common Stock","underlying_shares":228091},"source":{"system":"sec-edgar","filing":"0001225208-18-012151","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/310158/000122520818012151/doc4.xml","form_type":"4"}},{"id":126323,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":11578,"kind":"person","name":"FRAZIER KENNETH C","position":1,"cik":"0001181175","reported_name":"FRAZIER KENNETH C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President & CEO"}}],"security":"Common Stock","published_at":"2018-08-01T21:12:20.000Z","date":"2018-07-31","kind":"gift","acquired":false,"shares":18747,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":691950.063,"source":{"system":"sec-edgar","filing":"0001225208-18-012151","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000122520818012151/doc4.xml","form_type":"4"}},{"id":126322,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":11578,"kind":"person","name":"FRAZIER KENNETH C","position":1,"cik":"0001181175","reported_name":"FRAZIER KENNETH C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President & CEO"}}],"security":"Common Stock","published_at":"2018-08-01T21:12:20.000Z","date":"2018-07-31","kind":"sale","acquired":false,"shares":228091,"price":65.0034,"value":14826690.5094,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The exercise and sale transactions reported in this Form 4 are made pursuant to a Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.00 to $65.05, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":710697.063,"source":{"system":"sec-edgar","filing":"0001225208-18-012151","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000122520818012151/doc4.xml","form_type":"4"}},{"id":126321,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":11578,"kind":"person","name":"FRAZIER KENNETH C","position":1,"cik":"0001181175","reported_name":"FRAZIER KENNETH C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President & CEO"}}],"security":"Common Stock","published_at":"2018-08-01T21:12:20.000Z","date":"2018-07-31","kind":"exercise","acquired":true,"shares":228091,"price":33.49,"value":7638767.59,"ownership":{"direct":true},"balance_after":938788.063,"source":{"system":"sec-edgar","filing":"0001225208-18-012151","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000122520818012151/doc4.xml","form_type":"4"}},{"id":129120,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":11578,"kind":"person","name":"FRAZIER KENNETH C","position":1,"cik":"0001181175","reported_name":"FRAZIER KENNETH C","relationship":{"director":true,"officer":true,"officer_title":"Chairman, President & CEO"}}],"security":"Stock Option (right to buy)","published_at":"2018-05-08T21:32:40.000Z","date":"2018-05-04","kind":"grant","acquired":true,"shares":475743,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vests and becomes exercisable in three equal installments on 5/4/2019, 5/4/2020 and 5/4/2021."}],"balance_after":475743,"derivative":{"exercise_price":57.75,"exercise_date":"2019-05-04","expiration_date":"2028-05-03","underlying":"Common Stock","underlying_shares":475743},"source":{"system":"sec-edgar","filing":"0001225208-18-008935","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000122520818008935/doc4.xml","form_type":"4"}}],"next_cursor":"2018-05-08T21:32:40.000000Z,129120"}