{"transactions":[{"id":5862,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-08-13T20:11:35.000Z","date":"2026-08-12","kind":"exercise","planned":false,"acquired":false,"shares":13433,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The options vest and become exercisable in equal installments on 4/29/2026, 4/29/2027, and 4/29/2028."}],"balance_after":0,"derivative":{"exercise_price":84.71,"exercise_date":"2026-04-29","expiration_date":"2035-04-28","underlying":"Common Stock","underlying_shares":13433},"source":{"system":"sec-edgar","filing":"0000310158-26-000221","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000221/form4.xml","form_type":"4"}},{"id":5861,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-08-13T20:11:35.000Z","date":"2026-08-12","kind":"exercise","planned":false,"acquired":false,"shares":41494,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The options vested and became exercisable in equal installments on 5/2/2024, 5/2/2025 and 5/2/2026."}],"balance_after":0,"derivative":{"exercise_price":117.89,"exercise_date":"2024-05-02","expiration_date":"2033-05-01","underlying":"Common Stock","underlying_shares":41494},"source":{"system":"sec-edgar","filing":"0000310158-26-000221","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000221/form4.xml","form_type":"4"}},{"id":5860,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-08-13T20:11:35.000Z","date":"2026-08-12","kind":"sale","planned":false,"acquired":false,"shares":80315,"price":133.4557,"value":10718494.5455,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.0300 to $133.5000, 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."}],"balance_after":45509.254,"source":{"system":"sec-edgar","filing":"0000310158-26-000221","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000221/form4.xml","form_type":"4"}},{"id":5859,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-08-13T20:11:35.000Z","date":"2026-08-12","kind":"exercise","planned":false,"acquired":true,"shares":13433,"price":84.71,"value":1137909.43,"ownership":{"direct":true},"balance_after":125824.254,"source":{"system":"sec-edgar","filing":"0000310158-26-000221","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000221/form4.xml","form_type":"4"}},{"id":5858,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-08-13T20:11:35.000Z","date":"2026-08-12","kind":"exercise","planned":false,"acquired":true,"shares":41494,"price":117.89,"value":4891727.66,"ownership":{"direct":true},"balance_after":112391.254,"source":{"system":"sec-edgar","filing":"0000310158-26-000221","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000221/form4.xml","form_type":"4"}},{"id":754874,"issuer":{"id":2211,"kind":"organization","name":"REGENXBIO Inc.","symbol":"RGNX"},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (Right to Buy)","published_at":"2026-06-02T21:20:47.000Z","date":"2026-05-29","kind":"grant","planned":false,"acquired":true,"shares":46600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option will vest on May 29, 2027 subject to the continuous service of the optionee to the Issuer."}],"balance_after":46600,"derivative":{"exercise_price":7.01,"exercise_date":"2027-05-29","expiration_date":"2036-05-29","underlying":"Common Stock","underlying_shares":46600},"source":{"system":"sec-edgar","filing":"0001737231-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1737231/000173723126000002/primarydocument.xml","form_type":"4"}},{"id":754873,"issuer":{"id":2211,"kind":"organization","name":"REGENXBIO Inc.","symbol":"RGNX"},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-02T21:20:47.000Z","date":"2026-05-29","kind":"grant","planned":false,"acquired":true,"shares":9807,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on May 29, 2027 subject to the continuous service of the recipient to the Issuer."}],"balance_after":31871,"source":{"system":"sec-edgar","filing":"0001737231-26-000002","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1737231/000173723126000002/primarydocument.xml","form_type":"4"}},{"id":10076,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-05-07T16:18:31.000Z","date":"2026-05-05","kind":"grant","planned":false,"acquired":true,"shares":35312,"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 equal installments on 5/5/2027, 5/5/2028, and, 5/5/2029."}],"balance_after":35312,"derivative":{"exercise_price":113.15,"exercise_date":"2027-05-05","expiration_date":"2036-05-04","underlying":"Common Stock","underlying_shares":35312},"source":{"system":"sec-edgar","filing":"0000310158-26-000139","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000139/form4.xml","form_type":"4"}},{"id":10075,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Restricted Stock Unit","published_at":"2026-05-07T16:18:31.000Z","date":"2026-05-05","kind":"grant","planned":false,"acquired":true,"shares":12064,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 5/5/2027, 5/5/2028, and, 5/5/2029."}],"balance_after":12064,"derivative":{"exercise_date":"2027-05-05","expiration_date":"2029-05-05","underlying":"Common Stock","underlying_shares":12064},"source":{"system":"sec-edgar","filing":"0000310158-26-000139","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000139/form4.xml","form_type":"4"}},{"id":10396,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Restricted Stock Unit","published_at":"2026-05-01T21:43:51.000Z","date":"2026-04-29","kind":"exercise","planned":false,"acquired":false,"shares":2951,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 4/29/2026, 4/29/2027 and 4/29/2028."}],"balance_after":5903,"derivative":{"exercise_date":"2026-04-29","expiration_date":"2028-04-29","underlying":"Common Stock","underlying_shares":2951},"source":{"system":"sec-edgar","filing":"0000310158-26-000086","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000086/form4.xml","form_type":"4"}},{"id":10395,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-05-01T21:43:51.000Z","date":"2026-04-29","kind":"tax_withholding","planned":false,"acquired":false,"shares":1454,"price":110.03,"value":159983.62,"ownership":{"direct":true},"balance_after":70897.254,"source":{"system":"sec-edgar","filing":"0000310158-26-000086","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000086/form4.xml","form_type":"4"}},{"id":10394,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-05-01T21:43:51.000Z","date":"2026-04-29","kind":"exercise","planned":false,"acquired":true,"shares":2951,"price":110.03,"value":324698.53,"ownership":{"direct":true},"balance_after":72351.254,"source":{"system":"sec-edgar","filing":"0000310158-26-000086","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000086/form4.xml","form_type":"4"}},{"id":14372,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-02-09T21:01:25.000Z","date":"2026-02-09","kind":"exercise","planned":false,"acquired":false,"shares":38835,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option vests and becomes exercisable in equal installments on 5/3/2023, 5/3/2024 and 5/3/2025."}],"balance_after":0,"derivative":{"exercise_price":87.1,"exercise_date":"2023-05-03","expiration_date":"2032-05-02","underlying":"Common Stock","underlying_shares":38835},"source":{"system":"sec-edgar","filing":"0000310158-26-000046","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000046/form4.xml","form_type":"4"}},{"id":14371,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-02-09T21:01:25.000Z","date":"2026-02-09","kind":"exercise","planned":false,"acquired":false,"shares":56792,"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 5/4/2022, 5/4/2023 and 5/4/2024."}],"balance_after":0,"derivative":{"exercise_price":73.73,"exercise_date":"2022-05-04","expiration_date":"2031-05-03","underlying":"Common Stock","underlying_shares":56792},"source":{"system":"sec-edgar","filing":"0000310158-26-000046","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000046/form4.xml","form_type":"4"}},{"id":14370,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-02-09T21:01:25.000Z","date":"2026-02-09","kind":"exercise","planned":false,"acquired":false,"shares":25946,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vested and became exercisable in three equal installments on 5/1/2021, 5/1/2022 and 5/1/2023."}],"balance_after":0,"derivative":{"exercise_price":75.36,"exercise_date":"2021-05-01","expiration_date":"2030-04-30","underlying":"Common Stock","underlying_shares":25946},"source":{"system":"sec-edgar","filing":"0000310158-26-000046","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000046/form4.xml","form_type":"4"}},{"id":14369,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-02-09T21:01:25.000Z","date":"2026-02-09","kind":"sale","planned":false,"acquired":false,"shares":38835,"price":119.1522,"value":4627275.687,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, 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."}],"balance_after":68915.671,"source":{"system":"sec-edgar","filing":"0000310158-26-000046","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000046/form4.xml","form_type":"4"}},{"id":14368,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-02-09T21:01:25.000Z","date":"2026-02-09","kind":"exercise","planned":false,"acquired":true,"shares":38835,"price":119.1522,"value":4627275.687,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, 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."}],"balance_after":107750.671,"source":{"system":"sec-edgar","filing":"0000310158-26-000046","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000046/form4.xml","form_type":"4"}},{"id":14367,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-02-09T21:01:25.000Z","date":"2026-02-09","kind":"sale","planned":false,"acquired":false,"shares":56792,"price":119.1522,"value":6766891.7424,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, 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."}],"balance_after":68915.671,"source":{"system":"sec-edgar","filing":"0000310158-26-000046","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000046/form4.xml","form_type":"4"}},{"id":14366,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-02-09T21:01:25.000Z","date":"2026-02-09","kind":"exercise","planned":false,"acquired":true,"shares":56792,"price":119.1522,"value":6766891.7424,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, 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."}],"balance_after":125707.671,"source":{"system":"sec-edgar","filing":"0000310158-26-000046","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000046/form4.xml","form_type":"4"}},{"id":14365,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-02-09T21:01:25.000Z","date":"2026-02-09","kind":"sale","planned":false,"acquired":false,"shares":25946,"price":119.1522,"value":3091522.9812,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, 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."}],"balance_after":68915.671,"source":{"system":"sec-edgar","filing":"0000310158-26-000046","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000046/form4.xml","form_type":"4"}},{"id":14364,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-02-09T21:01:25.000Z","date":"2026-02-09","kind":"exercise","planned":false,"acquired":true,"shares":25946,"price":119.1522,"value":3091522.9812,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.9600 to $119.5100, 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."}],"balance_after":94861.671,"source":{"system":"sec-edgar","filing":"0000310158-26-000046","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000046/form4.xml","form_type":"4"}},{"id":15067,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2026-01-28T21:19:55.000Z","date":"2026-01-26","kind":"grant","planned":false,"acquired":true,"shares":11583,"price":107.4,"value":1244014.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 3/31/23. Performance shares were paid out at 94 percent of target awards. Includes dividends accrued over the three-year performance period ending December 31, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":68915.671,"source":{"system":"sec-edgar","filing":"0000310158-26-000028","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000031015826000028/form4.xml","form_type":"4"}},{"id":1125135,"issuer":{"id":2211,"kind":"organization","name":"REGENXBIO Inc.","symbol":"RGNX"},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (Right to Buy)","published_at":"2025-06-03T20:33:55.000Z","date":"2025-05-30","kind":"grant","planned":false,"acquired":true,"shares":39815,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option will vest in 12 equal monthly installments following May 30, 2025 subject to the continuous service of the optionee to the Issuer."}],"balance_after":39815,"derivative":{"exercise_price":8.85,"expiration_date":"2035-05-30","underlying":"Common Stock","underlying_shares":39815},"source":{"system":"sec-edgar","filing":"0001562180-25-004354","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1737231/000156218025004354/primarydocument.xml","form_type":"4"}},{"id":1125134,"issuer":{"id":2211,"kind":"organization","name":"REGENXBIO Inc.","symbol":"RGNX"},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-06-03T20:33:55.000Z","date":"2025-05-30","kind":"grant","planned":false,"acquired":true,"shares":7768,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on May 1, 2026 subject to the continuous service of the recipient to the Issuer."}],"balance_after":22064,"source":{"system":"sec-edgar","filing":"0001562180-25-004354","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1737231/000156218025004354/primarydocument.xml","form_type":"4"}},{"id":24656,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-05-01T22:03:00.000Z","date":"2025-04-29","kind":"grant","planned":false,"acquired":true,"shares":40301,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option vests and becomes exercisable in three equal installments on 4/29/2026, 4/29/2027 and 4/29/2028."}],"balance_after":40301,"derivative":{"exercise_price":84.71,"exercise_date":"2026-04-29","expiration_date":"2035-04-28","underlying":"Common Stock","underlying_shares":40301},"source":{"system":"sec-edgar","filing":"0001127602-25-013037","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760225013037/form4.xml","form_type":"4"}},{"id":24655,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Restricted Stock Unit","published_at":"2025-05-01T22:03:00.000Z","date":"2025-04-29","kind":"grant","planned":false,"acquired":true,"shares":8854,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 4/29/2026, 4/29/2027 and 4/29/2028."}],"balance_after":8854,"derivative":{"exercise_date":"2026-04-29","expiration_date":"2028-04-29","underlying":"Common Stock","underlying_shares":8854},"source":{"system":"sec-edgar","filing":"0001127602-25-013037","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760225013037/form4.xml","form_type":"4"}},{"id":29615,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2025-01-29T23:29:21.000Z","date":"2025-01-27","kind":"grant","planned":false,"acquired":true,"shares":25423,"price":97.94,"value":2489928.62,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 3/31/22. Performance shares were paid out at 169 percent of target awards. Includes dividends accrued over the three-year performance period ending December 31, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":55285.685,"source":{"system":"sec-edgar","filing":"0001127602-25-002357","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760225002357/form4.xml","form_type":"4"}},{"id":1492432,"issuer":{"id":2211,"kind":"organization","name":"REGENXBIO Inc.","symbol":"RGNX"},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (Right to Buy)","published_at":"2024-06-04T20:43:49.000Z","date":"2024-05-31","kind":"grant","planned":false,"acquired":true,"shares":24454,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option will vest in 12 equal monthly installments following May 31, 2024 subject to the continuous service of the optionee to the Issuer."}],"balance_after":24454,"derivative":{"exercise_price":14.35,"expiration_date":"2034-05-31","underlying":"Common Stock","underlying_shares":24454},"source":{"system":"sec-edgar","filing":"0001562180-24-004656","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1737231/000156218024004656/primarydocument.xml","form_type":"4"}},{"id":1492431,"issuer":{"id":2211,"kind":"organization","name":"REGENXBIO Inc.","symbol":"RGNX"},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-06-04T20:43:49.000Z","date":"2024-05-31","kind":"grant","planned":false,"acquired":true,"shares":4790,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on May 1, 2025 subject to the continuous service of the recipient to the Issuer."}],"balance_after":14296,"source":{"system":"sec-edgar","filing":"0001562180-24-004656","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1737231/000156218024004656/primarydocument.xml","form_type":"4"}},{"id":41499,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2024-05-02T20:19:14.000Z","date":"2024-04-30","kind":"grant","planned":false,"acquired":true,"shares":35156,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests and becomes exercisable in three equal installments on 4/30/2025, 4/30/2026 and 4/30/2027."}],"balance_after":35156,"derivative":{"exercise_price":129.22,"exercise_date":"2025-04-30","expiration_date":"2034-04-29","underlying":"Common Stock","underlying_shares":35156},"source":{"system":"sec-edgar","filing":"0001127602-24-013964","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760224013964/form4.xml","form_type":"4"}},{"id":47599,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2024-02-02T21:05:33.000Z","date":"2024-02-02","kind":"exercise","planned":false,"acquired":false,"shares":19417,"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 equal installments on 5/3/2023, 5/3/2024 and 5/3/2025."}],"balance_after":38835,"derivative":{"exercise_price":87.1,"exercise_date":"2023-05-03","expiration_date":"2032-05-02","underlying":"Common Stock","underlying_shares":19417},"source":{"system":"sec-edgar","filing":"0001127602-24-003093","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760224003093/form4.xml","form_type":"4"}},{"id":47598,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2024-02-02T21:05:33.000Z","date":"2024-02-02","kind":"sale","planned":false,"acquired":false,"shares":49499,"price":126.9678,"value":6284779.1322,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.8650 to $127.3000, 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 in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":29057.76,"source":{"system":"sec-edgar","filing":"0001127602-24-003093","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760224003093/form4.xml","form_type":"4"}},{"id":47597,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2024-02-02T21:05:33.000Z","date":"2024-02-02","kind":"exercise","planned":false,"acquired":true,"shares":19417,"price":87.1,"value":1691220.7,"ownership":{"direct":true},"balance_after":78556.76,"source":{"system":"sec-edgar","filing":"0001127602-24-003093","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760224003093/form4.xml","form_type":"4"}},{"id":48114,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2024-01-24T21:11:35.000Z","date":"2024-01-22","kind":"grant","planned":false,"acquired":true,"shares":23298,"price":119.43,"value":2782480.14,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 3/31/21. Performance shares were paid out at 161 percent of target awards. Includes dividends accrued over the three-year performance period ending December 31, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":59139.76,"source":{"system":"sec-edgar","filing":"0001127602-24-002026","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760224002026/form4.xml","form_type":"4"}},{"id":1865241,"issuer":{"id":2211,"kind":"organization","name":"REGENXBIO Inc.","symbol":"RGNX"},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Options (Right to Buy)","published_at":"2023-06-06T21:11:01.000Z","date":"2023-06-02","kind":"grant","planned":false,"acquired":true,"shares":17892,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option will vest in 12 equal monthly installments following June 2, 2023 subject to the continuous service of the optionee to the Issuer."}],"balance_after":17892,"derivative":{"exercise_price":19.72,"expiration_date":"2033-06-02","underlying":"Common Stock","underlying_shares":17892},"source":{"system":"sec-edgar","filing":"0001562180-23-004888","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1737231/000156218023004888/primarydocument.xml","form_type":"4"}},{"id":1865240,"issuer":{"id":2211,"kind":"organization","name":"REGENXBIO Inc.","symbol":"RGNX"},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-06-06T21:11:01.000Z","date":"2023-06-02","kind":"grant","planned":false,"acquired":true,"shares":3486,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of common stock underlying a time-based restricted stock unit award (RSU). 100% of the shares subject to this RSU will vest on June 1, 2024 subject to the continuous service of the recipient to the Issuer."}],"balance_after":9506,"source":{"system":"sec-edgar","filing":"0001562180-23-004888","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1737231/000156218023004888/primarydocument.xml","form_type":"4"}},{"id":56163,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2023-05-05T21:13:06.000Z","date":"2023-05-04","kind":"sale","planned":false,"acquired":false,"shares":19141,"price":117.5923,"value":2250834.2143,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.3400 to $117.6800, 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."}],"balance_after":35127.593,"source":{"system":"sec-edgar","filing":"0001127602-23-014759","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760223014759/form4.xml","form_type":"4"}},{"id":56303,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-05-04T21:34:56.000Z","date":"2023-05-02","kind":"grant","planned":false,"acquired":true,"shares":41494,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests and becomes exercisable in equal installments on 5/2/2024, 5/2/2025 and 5/2/2026."}],"balance_after":41494,"derivative":{"exercise_price":117.89,"exercise_date":"2024-05-02","expiration_date":"2033-05-01","underlying":"Common Stock","underlying_shares":41494},"source":{"system":"sec-edgar","filing":"0001127602-23-014537","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760223014537/form4.xml","form_type":"4"}},{"id":59443,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-02-06T21:21:33.000Z","date":"2023-02-03","kind":"exercise","acquired":false,"shares":75436,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. (\"Organon\") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the \"Form 10\"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option became exercisable in equal installments on 5/4/2019, 5/4/2020, and 5/4/2021."}],"balance_after":0,"derivative":{"exercise_price":56.04,"exercise_date":"2019-05-04","expiration_date":"2028-05-03","underlying":"Common Stock","underlying_shares":75436},"source":{"system":"sec-edgar","filing":"0001127602-23-003562","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760223003562/form4.xml","form_type":"4"}},{"id":59442,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2023-02-06T21:21:33.000Z","date":"2023-02-03","kind":"sale","acquired":false,"shares":75436,"price":103.1704,"value":7782762.2944,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.0200 to $103.5450, 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":"F2","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":53919.941,"source":{"system":"sec-edgar","filing":"0001127602-23-003562","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760223003562/form4.xml","form_type":"4"}},{"id":59441,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2023-02-06T21:21:33.000Z","date":"2023-02-03","kind":"exercise","acquired":true,"shares":75436,"price":56.04,"value":4227433.44,"ownership":{"direct":true},"balance_after":129355.941,"source":{"system":"sec-edgar","filing":"0001127602-23-003562","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760223003562/form4.xml","form_type":"4"}},{"id":60021,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2023-01-25T22:03:30.000Z","date":"2023-01-23","kind":"grant","acquired":true,"shares":15631,"price":109.88,"value":1717534.28,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 3/31/20. Performance shares were paid out at 110 percent of target awards. Includes dividends accrued over the three-year performance period ending December 31, 2022."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":53919.941,"source":{"system":"sec-edgar","filing":"0001127602-23-002228","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760223002228/form4.xml","form_type":"4"}},{"id":62146,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2022-11-01T20:28:33.000Z","date":"2022-10-28","kind":"exercise","acquired":false,"shares":28396,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. (\"Organon\") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the \"Form 10\"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The option vests and becomes exercisable in three equal installments on 5/4/2022, 5/4/2023 and 5/4/2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. (\"Organon\") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the \"Form 10\"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments."}],"balance_after":56792,"derivative":{"exercise_price":73.73,"exercise_date":"2022-05-04","expiration_date":"2031-05-03","underlying":"Common Stock","underlying_shares":28396},"source":{"system":"sec-edgar","filing":"0001127602-22-024595","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760222024595/form4.xml","form_type":"4"}},{"id":62145,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2022-11-01T20:28:33.000Z","date":"2022-10-28","kind":"exercise","acquired":false,"shares":51884,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. (\"Organon\") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the \"Form 10\"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option vests and becomes exercisable in three equal installments on 5/1/2021, 5/1/2022 and 5/1/2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. (\"Organon\") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the \"Form 10\"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments."}],"balance_after":25946,"derivative":{"exercise_price":75.36,"exercise_date":"2021-05-01","expiration_date":"2030-04-30","underlying":"Common Stock","underlying_shares":51884},"source":{"system":"sec-edgar","filing":"0001127602-22-024595","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760222024595/form4.xml","form_type":"4"}},{"id":62144,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2022-11-01T20:28:33.000Z","date":"2022-10-28","kind":"exercise","acquired":false,"shares":68367,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. (\"Organon\") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the \"Form 10\"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option vests and becomes exercisable in three equal installments on 5/3/2020, 5/3/2021 and 5/3/2022."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. (\"Organon\") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the \"Form 10\"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments."}],"balance_after":0,"derivative":{"exercise_price":77.62,"exercise_date":"2020-05-03","expiration_date":"2029-05-02","underlying":"Common Stock","underlying_shares":68367},"source":{"system":"sec-edgar","filing":"0001127602-22-024595","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760222024595/form4.xml","form_type":"4"}},{"id":62143,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2022-11-01T20:28:33.000Z","date":"2022-10-28","kind":"sale","acquired":false,"shares":65487,"price":99.85,"value":6538876.95,"ownership":{"direct":true},"footnotes":[{"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 $99.6100 to $100.3600, 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":38040.302,"source":{"system":"sec-edgar","filing":"0001127602-22-024595","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760222024595/form4.xml","form_type":"4"}},{"id":62142,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2022-11-01T20:28:33.000Z","date":"2022-10-28","kind":"sale","acquired":false,"shares":99768,"price":99.07,"value":9884015.76,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $98.5500 to $99.4900, 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."}],"balance_after":103527.302,"source":{"system":"sec-edgar","filing":"0001127602-22-024595","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760222024595/form4.xml","form_type":"4"}},{"id":62141,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2022-11-01T20:28:33.000Z","date":"2022-10-28","kind":"exercise","acquired":true,"shares":28396,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":203295.302,"source":{"system":"sec-edgar","filing":"0001127602-22-024595","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760222024595/form4.xml","form_type":"4"}},{"id":62140,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2022-11-01T20:28:33.000Z","date":"2022-10-28","kind":"exercise","acquired":true,"shares":51884,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":174899.302,"source":{"system":"sec-edgar","filing":"0001127602-22-024595","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760222024595/form4.xml","form_type":"4"}},{"id":62139,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2022-11-01T20:28:33.000Z","date":"2022-10-28","kind":"exercise","acquired":true,"shares":68367,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":123015.302,"source":{"system":"sec-edgar","filing":"0001127602-22-024595","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760222024595/form4.xml","form_type":"4"}},{"id":2240284,"issuer":{"id":2211,"kind":"organization","name":"REGENXBIO Inc.","symbol":"RGNX"},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2022-06-07T20:26:36.000Z","date":"2022-06-03","kind":"grant","acquired":true,"shares":29739,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option will vest in equal monthly installments over the 36 months following June 3, 2022 while the optionee provides continuous service to the Issuer."}],"balance_after":29739,"derivative":{"exercise_price":22.84,"expiration_date":"2032-06-03","underlying":"Common Stock","underlying_shares":29739},"source":{"system":"sec-edgar","filing":"0001562180-22-004883","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1737231/000156218022004883/primarydocument.xml","form_type":"4"}},{"id":2240283,"issuer":{"id":2211,"kind":"organization","name":"REGENXBIO Inc.","symbol":"RGNX"},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-06-07T20:26:36.000Z","date":"2022-06-03","kind":"grant","acquired":true,"shares":6020,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares of common stock underlying a time-based restricted stock unit award (RSU). One-third of the shares subject to this RSU will vest on each of June 1, 2023, June 1, 2024 and June 1, 2025 while the recipient provides continuous service to the Issuer."}],"balance_after":6020,"source":{"system":"sec-edgar","filing":"0001562180-22-004883","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1737231/000156218022004883/primarydocument.xml","form_type":"4"}},{"id":66590,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2022-05-05T21:17:04.000Z","date":"2022-05-03","kind":"grant","acquired":true,"shares":58252,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests and becomes exercisable in equal installments on 5/3/2023, 5/3/2024 and 5/3/2025."}],"balance_after":58252,"derivative":{"exercise_price":87.1,"exercise_date":"2023-05-03","expiration_date":"2032-05-02","underlying":"Common Stock","underlying_shares":58252},"source":{"system":"sec-edgar","filing":"0001127602-22-013533","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760222013533/form4.xml","form_type":"4"}},{"id":69939,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2022-02-28T21:35:47.000Z","date":"2022-02-24","kind":"grant","acquired":true,"shares":18420,"price":73.51,"value":1354054.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 3/29/19. Performance shares were paid out at 140 percent of target awards. Includes dividends accrued over the three-year performance period ending December 31, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":53419.167,"source":{"system":"sec-edgar","filing":"0001127602-22-007033","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760222007033/form4.xml","form_type":"4"}},{"id":88497,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Restricted Stock Unit","published_at":"2021-05-06T20:50:58.000Z","date":"2021-05-04","kind":"exercise","acquired":false,"shares":5772,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These restricted stock units vested and were distributed as shares of Merck & Co., Inc. common stock in three equal installments on 5/4/2019, 5/4/2020 and 5/4/2021."}],"balance_after":0,"derivative":{"exercise_date":"2019-05-04","expiration_date":"2021-05-04","underlying":"Common Stock","underlying_shares":5772},"source":{"system":"sec-edgar","filing":"0001127602-21-015758","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760221015758/form4.xml","form_type":"4"}},{"id":88496,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2021-05-06T20:50:58.000Z","date":"2021-05-04","kind":"grant","acquired":true,"shares":82653,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests and becomes exercisable in three equal installments on 5/4/2022, 5/4/2023 and 5/4/2024."}],"balance_after":82653,"derivative":{"exercise_price":75.99,"exercise_date":"2022-05-04","expiration_date":"2031-05-03","underlying":"Common Stock","underlying_shares":82653},"source":{"system":"sec-edgar","filing":"0001127602-21-015758","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760221015758/form4.xml","form_type":"4"}},{"id":88495,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2021-05-06T20:50:58.000Z","date":"2021-05-04","kind":"tax_withholding","acquired":false,"shares":2843,"price":75.98,"value":216011.14,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":34140.931,"source":{"system":"sec-edgar","filing":"0001127602-21-015758","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760221015758/form4.xml","form_type":"4"}},{"id":88494,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2021-05-06T20:50:58.000Z","date":"2021-05-04","kind":"exercise","acquired":true,"shares":5772,"price":75.98,"value":438556.56,"ownership":{"direct":true},"balance_after":36983.931,"source":{"system":"sec-edgar","filing":"0001127602-21-015758","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760221015758/form4.xml","form_type":"4"}},{"id":92171,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2021-03-02T16:51:59.000Z","date":"2021-02-26","kind":"grant","acquired":true,"shares":24199,"price":72.62,"value":1757331.38,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 5/04/18. Performance shares were paid out at 166 percent of target awards. Includes dividends accrued over the three-year performance period ending December 31, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":30947.115,"source":{"system":"sec-edgar","filing":"0001127602-21-008579","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760221008579/form4.xml","form_type":"4"}},{"id":105019,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Restricted Stock Unit","published_at":"2020-05-06T21:13:29.000Z","date":"2020-05-04","kind":"exercise","acquired":false,"shares":5772,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 5/4/2019, 5/4/2020 and 5/4/2021."}],"balance_after":5772,"derivative":{"exercise_date":"2019-05-04","expiration_date":"2021-05-04","underlying":"Common Stock","underlying_shares":5772},"source":{"system":"sec-edgar","filing":"0001127602-20-015652","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760220015652/form4.xml","form_type":"4"}},{"id":105018,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2020-05-06T21:13:29.000Z","date":"2020-05-04","kind":"tax_withholding","acquired":false,"shares":2843,"price":77.67,"value":220815.81,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":6646.498,"source":{"system":"sec-edgar","filing":"0001127602-20-015652","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760220015652/form4.xml","form_type":"4"}},{"id":105017,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2020-05-06T21:13:29.000Z","date":"2020-05-04","kind":"exercise","acquired":true,"shares":5772,"price":77.67,"value":448311.24,"ownership":{"direct":true},"balance_after":9489.498,"source":{"system":"sec-edgar","filing":"0001127602-20-015652","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760220015652/form4.xml","form_type":"4"}},{"id":105070,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2020-05-05T20:53:20.000Z","date":"2020-05-01","kind":"grant","acquired":true,"shares":75514,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests and becomes exercisable in three equal installments on 5/1/2021, 5/1/2022 and 5/1/2023."}],"balance_after":75514,"derivative":{"exercise_price":77.67,"exercise_date":"2021-05-01","expiration_date":"2030-04-30","underlying":"Common Stock","underlying_shares":75514},"source":{"system":"sec-edgar","filing":"0001127602-20-015458","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000112760220015458/form4.xml","form_type":"4"}},{"id":116927,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, General Counsel"}}],"security":"Restricted Stock Unit","published_at":"2019-05-07T23:42:14.000Z","date":"2019-05-04","kind":"exercise","acquired":false,"shares":5772,"price":80,"value":461760.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 5/4/2019, 5/4/2020 and 5/4/2021."}],"balance_after":11544,"derivative":{"exercise_date":"2019-05-04","expiration_date":"2021-05-04","underlying":"Common Stock","underlying_shares":5772},"source":{"system":"sec-edgar","filing":"0001104659-19-027588","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/310158/000110465919027588/a4.xml","form_type":"4"}},{"id":116926,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (right to buy)","published_at":"2019-05-07T23:42:14.000Z","date":"2019-05-03","kind":"grant","acquired":true,"shares":66333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests and becomes exercisable in three equal installments on 5/3/2020, 5/3/2021 and 5/3/2022."}],"balance_after":66333,"derivative":{"exercise_price":80,"exercise_date":"2020-05-03","expiration_date":"2029-05-02","underlying":"Common Stock","underlying_shares":66333},"source":{"system":"sec-edgar","filing":"0001104659-19-027588","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/310158/000110465919027588/a4.xml","form_type":"4"}},{"id":116925,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2019-05-07T23:42:14.000Z","date":"2019-05-04","kind":"tax_withholding","acquired":false,"shares":2154,"price":80,"value":172320.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Holdings include shares acquired in dividend reinvestment transactions."}],"balance_after":3618,"source":{"system":"sec-edgar","filing":"0001104659-19-027588","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000110465919027588/a4.xml","form_type":"4"}},{"id":116924,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, General Counsel"}}],"security":"Common Stock","published_at":"2019-05-07T23:42:14.000Z","date":"2019-05-04","kind":"exercise","acquired":true,"shares":5772,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":5772,"source":{"system":"sec-edgar","filing":"0001104659-19-027588","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000110465919027588/a4.xml","form_type":"4"}},{"id":129111,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Stock Option (right to buy)","published_at":"2018-05-08T21:33:08.000Z","date":"2018-05-04","kind":"grant","acquired":true,"shares":73191,"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":73191,"derivative":{"exercise_price":57.75,"exercise_date":"2019-05-04","expiration_date":"2028-05-03","underlying":"Common Stock","underlying_shares":73191},"source":{"system":"sec-edgar","filing":"0001225208-18-008942","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/310158/000122520818008942/doc4.xml","form_type":"4"}},{"id":129110,"issuer":{"id":2807,"kind":"organization","name":"Merck & Co., Inc."},"owners":[{"id":10469,"kind":"person","name":"Zachary Jennifer","position":1,"cik":"0001737231","reported_name":"Zachary Jennifer","relationship":{"officer":true,"officer_title":"EVP, General Counsel"}}],"security":"Restricted Stock Unit","published_at":"2018-05-08T21:33:08.000Z","date":"2018-05-04","kind":"grant","acquired":true,"shares":17316,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These restricted stock units vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 5/4/2019, 5/4/2020 and 5/4/2021."}],"balance_after":17316,"derivative":{"exercise_date":"2019-05-04","expiration_date":"2021-05-04","underlying":"Common Stock","underlying_shares":17316},"source":{"system":"sec-edgar","filing":"0001225208-18-008942","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/310158/000122520818008942/doc4.xml","form_type":"4"}}]}