Merck & Co., Inc.

Symbol
MRK on NYSE
Entity
Company
Business address
126 East Lincoln Avenue, P.O. Box 2000, 07065 Rahway, NJ
Phone
908-740-4000
State of incorporation
NJ
Fiscal year end
December 31
Category
Large accelerated filer
Former names
SCHERING PLOUGH CORP (to 10/29/2009)
13F signature
Kelly Grez - Corporate Secretary
13D/G Schedule signature
Merck & Co., Inc. - Kelly Grez/Corporate Secretary
Insider ownership signature
/s/ Kelly Grez, Corporate Secretary
All SEC filings
View on sec.gov
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Merck & Co., Inc. has filed 2,890 SEC EDGAR filings since 3/7/1994

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open Document Open Filing Nov 12, 2025 Sep 30, 2025 028-25193
4 Open Document Open Filing PRIMARY DOCUMENT Nov 12, 2025 Nov 10, 2025
144 Open Document Open Filing Nov 10, 2025 001-06571
10-Q Open Document | Data Open Filing 3Q25 FORM 10-Q Nov 5, 2025 Sep 30, 2025 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Nov 4, 2025 Nov 3, 2025
144 Open Document Open Filing Nov 3, 2025 001-06571
8-K Open Document | Data Open Filing FORM 8-K Oct 30, 2025 Oct 30, 2025 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Oct 2, 2025 Sep 30, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Oct 2, 2025 Sep 30, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Oct 2, 2025 Sep 30, 2025
8-K Open Document | Data Open Filing 8-K Sep 9, 2025 Sep 9, 2025 001-06571
424B5 Open Document | Data Open Filing 424B5 Sep 4, 2025 333-278066
FWP Open Document Open Filing FWP Sep 3, 2025 333-278066
424B5 Open Document Open Filing 424B5 Sep 2, 2025 333-278066
13F-HR Open Document Open Filing Aug 13, 2025 Jun 30, 2025 028-25193
10-Q Open Document | Data Open Filing 2Q25 FORM 10-Q (6.30.25) Aug 5, 2025 Jun 30, 2025 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Aug 5, 2025 Aug 4, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Aug 5, 2025 Aug 4, 2025
8-K Open Document | Data Open Filing FORM 8-K Jul 29, 2025 Jul 25, 2025 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2025 Jun 30, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2025 Jun 30, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2025 Jun 30, 2025
11-K Open Document Open Filing 11-K MSD PUERTO RICO SAVINGS & SECURITY PLAN Jun 27, 2025 Dec 31, 2024 001-06571
11-K Open Document Open Filing 11-K MERCK US SAVINGS PLAN Jun 27, 2025 Dec 31, 2024 001-06571
11-K Open Document Open Filing 11-K MSD EMPLOYEE STOCK PURCHASE AND SAVINGS PLAN Jun 27, 2025 Dec 31, 2024 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Jun 3, 2025 May 30, 2025
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SD Open Document Open Filing FORM SD May 30, 2025 001-06571
8-K Open Document | Data Open Filing FORM 8-K May 29, 2025 May 27, 2025 001-06571
13F-HR Open Document Open Filing May 14, 2025 Mar 31, 2025 028-25193
PX14A6G Open Document Open Filing NATIONAL LEGAL AND POLICY CENTER - PX14A6G May 7, 2025 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT May 5, 2025 May 3, 2025
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4/A Open Document Open Filing PRIMARY DOCUMENT May 2, 2025 Apr 29, 2025
10-Q Open Document | Data Open Filing 1Q25 FORM 10-Q (3.31.25) May 2, 2025 Mar 31, 2025 001-06571
4/A Open Document Open Filing PRIMARY DOCUMENT May 2, 2025 Apr 29, 2025
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4 Open Document Open Filing PRIMARY DOCUMENT Apr 29, 2025 Apr 25, 2025
UPLOAD Open Document Open Filing Apr 28, 2025 001-06571
144 Open Document Open Filing Apr 25, 2025 001-06571
8-K Open Document | Data Open Filing FORM 8-K Apr 24, 2025 Apr 24, 2025 001-06571
PX14A6G Open Document Open Filing Apr 24, 2025 001-06571
CORRESP Open Document Open Filing Apr 16, 2025
ARS Open Document Open Filing ARS Apr 15, 2025 Dec 31, 2024 001-06571
PX14A6G Open Document Open Filing Apr 14, 2025 001-06571
UPLOAD Open Document Open Filing Apr 10, 2025 001-06571
DEFA14A Open Document Open Filing DEFA14A Apr 9, 2025 001-06571
DEF 14A Open Document | Data Open Filing DEF 14A Apr 9, 2025 May 27, 2025 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Apr 2, 2025 Mar 31, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Apr 2, 2025 Mar 31, 2025
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SCHEDULE 13G/A Open Document Open Filing Mar 6, 2025 005-33582
10-K Open Document | Data Open Filing 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2024 Feb 25, 2025 Dec 31, 2024 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Feb 20, 2025 Feb 19, 2025
144 Open Document Open Filing Feb 19, 2025 001-06571
13F-HR Open Document Open Filing Feb 14, 2025 Dec 31, 2024 028-25193
144 Open Document Open Filing Feb 13, 2025 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2025 Feb 13, 2025
4 Open Document Open Filing PRIMARY DOCUMENT Feb 11, 2025 Feb 8, 2025
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144 Open Document Open Filing Feb 6, 2025 001-06571
8-K Open Document | Data Open Filing FORM 8-K Feb 4, 2025 Feb 4, 2025 001-06571
SCHEDULE 13G/A Open Document Open Filing Feb 3, 2025
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4 Open Document Open Filing PRIMARY DOCUMENT Jan 3, 2025 Jan 1, 2025
3 Open Document Open Filing PRIMARY DOCUMENT Jan 3, 2025 Jan 1, 2025
SCHEDULE 13G Open Document Open Filing Dec 23, 2024
3 Open Document Open Filing OWNERSHIP DOCUMENT Dec 23, 2024 Dec 19, 2024 001-38943
8-K Open Document | Data Open Filing FORM 8-K Nov 22, 2024 Nov 19, 2024 001-06571
SC 13G/A Open Document Open Filing Nov 6, 2024
10-Q Open Document | Data Open Filing 3Q24 FORM 10-Q Nov 6, 2024 Sep 30, 2024 001-06571
25-NSE Open Document Open Filing Nov 4, 2024 001-06571
8-K Open Document | Data Open Filing FORM 8-K Oct 31, 2024 Oct 31, 2024 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Oct 1, 2024 Sep 30, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Oct 1, 2024 Sep 30, 2024
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4 Open Document Open Filing PRIMARY DOCUMENT Aug 6, 2024 Aug 5, 2024
10-Q Open Document | Data Open Filing 10-Q Aug 5, 2024 Jun 30, 2024 001-06571
8-K Open Document | Data Open Filing FORM 8-K Jul 30, 2024 Jul 30, 2024 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2024 Jun 28, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2024 Jun 28, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2024 Jun 28, 2024
11-K Open Document Open Filing 11-K MSD EMPLOYEE STOCK PURCHASE AND SAVINGS PLAN Jun 25, 2024 Dec 31, 2023 001-06571
11-K Open Document Open Filing 11-K MSD PUERTO RICO SAVINGS & SECURITY PLAN Jun 25, 2024 Dec 31, 2023 001-06571
11-K Open Document Open Filing 11-K MERCK US SAVINGS PLAN Jun 25, 2024 Dec 31, 2023 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Jun 4, 2024 May 31, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Jun 4, 2024 May 31, 2024
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CERT Open Document Open Filing NYSE CERTIFICATION May 30, 2024 001-65671
8-A12B Open Document Open Filing 8-A12B May 30, 2024 001-06571
8-K Open Document | Data Open Filing 8-K May 30, 2024 May 28, 2024 001-06571
SD Open Document Open Filing FORM SD May 28, 2024 001-06571
424B5 Open Document Open Filing 424B5 May 20, 2024 333-278066
FWP Open Document Open Filing FWP May 16, 2024
424B5 Open Document Open Filing 424B5 May 15, 2024 333-278066
POSASR Open Document Open Filing POSASR May 14, 2024 333-278066
144 Open Document Open Filing May 6, 2024 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT May 6, 2024 May 3, 2024
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10-Q Open Document | Data Open Filing 10-Q May 3, 2024 Mar 31, 2024 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2024 Apr 30, 2024
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8-K Open Document | Data Open Filing FORM 8-K Apr 25, 2024 Apr 25, 2024 001-06571
ARS Open Document Open Filing ARS Apr 11, 2024 Dec 31, 2023 001-06571
DEFA14A Open Document Open Filing DEFA14A Apr 11, 2024 001-06571
DEF 14A Open Document | Data Open Filing DEF 14A Apr 11, 2024 May 28, 2024 001-06571
10-K/A Open Document | Data Open Filing 10-K/A Apr 11, 2024 Dec 31, 2023 001-06571
3 Open Document Open Filing PRIMARY DOCUMENT Apr 8, 2024 Apr 1, 2024
PX14A6G Open Document Open Filing INSPIRE INVESTING, LLC - PX14A6G Apr 1, 2024 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Mar 29, 2024 Mar 28, 2024
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PX14A6G Open Document Open Filing BOWYER RESEARCH - PX14A6G Mar 28, 2024 001-06571
S-3ASR Open Document Open Filing S-3ASR Mar 19, 2024 333-278066
S-3ASR Open Document Open Filing S-3ASR Mar 19, 2024 333-278065
4 Open Document Open Filing 4 Mar 11, 2024 Mar 11, 2024 001-38800
10-K Open Document | Data Open Filing 10-K Feb 26, 2024 Dec 31, 2023 001-06571
8-K Open Document | Data Open Filing FORM 8-K Feb 20, 2024 Feb 15, 2024 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Feb 15, 2024 Feb 14, 2024
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144 Open Document Open Filing Feb 14, 2024 001-06571
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SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 13, 2024 005-33582
144 Open Document Open Filing Feb 13, 2024 001-06571
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144 Open Document Open Filing Feb 9, 2024 001-06571
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8-K Open Document | Data Open Filing FORM 8-K Feb 1, 2024 Jan 29, 2024 001-06571
SC 13G/A Open Document Open Filing Jan 26, 2024 005-33582
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SC 13G Open Document Open Filing Jan 23, 2024
3 Open Document Open Filing 3 Jan 17, 2024 Jan 7, 2024 001-38800
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3 Open Document Open Filing PRIMARY DOCUMENT Dec 13, 2023 Dec 4, 2023
8-K Open Document | Data Open Filing FORM 8-K Nov 28, 2023 Nov 21, 2023 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Nov 13, 2023 Nov 9, 2023
144 Open Document Open Filing Nov 9, 2023 001-06571
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144 Open Document Open Filing Nov 8, 2023 001-06571
10-Q Open Document | Data Open Filing 10-Q Nov 3, 2023 Sep 30, 2023 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Nov 1, 2023 Oct 31, 2023
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8-K Open Document | Data Open Filing FORM 8-K Oct 26, 2023 Oct 26, 2023 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Oct 3, 2023 Sep 29, 2023
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144 Open Document Open Filing Aug 14, 2023 001-06571
10-Q Open Document | Data Open Filing 10-Q Aug 7, 2023 Jun 30, 2023 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Aug 4, 2023 Aug 3, 2023
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144 Open Document Open Filing Aug 3, 2023 001-06571
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8-K Open Document | Data Open Filing FORM 8-K Aug 1, 2023 Aug 1, 2023 001-06571
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11-K Open Document Open Filing 11-K Jun 27, 2023 Dec 31, 2022 001-06571
11-K Open Document Open Filing 11-K Jun 27, 2023 Dec 31, 2022 001-06571
11-K Open Document Open Filing 11-K Jun 27, 2023 Dec 31, 2022 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT May 31, 2023 May 26, 2023
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8-K Open Document | Data Open Filing 8-K May 26, 2023 May 23, 2023 001-06571
SD Open Document Open Filing SD May 22, 2023 001-06571
PX14A6G Open Document Open Filing May 18, 2023 001-06571
8-K Open Document | Data Open Filing 8-K May 17, 2023 May 17, 2023 001-06571
424B5 Open Document Open Filing 424B5 May 10, 2023 333-254703
FWP Open Document Open Filing FWP May 9, 2023 333-254703
424B5 Open Document Open Filing 424B5 May 8, 2023 333-254703
4 Open Document Open Filing PRIMARY DOCUMENT May 5, 2023 May 3, 2023
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10-Q Open Document | Data Open Filing 10-Q May 5, 2023 Mar 31, 2023 001-06571
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144 Open Document Open Filing May 4, 2023 001-06571
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144 Open Document Open Filing May 2, 2023 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2023 Apr 28, 2023
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3/A Open Document Open Filing PRIMARY DOCUMENT Apr 28, 2023 Jul 1, 2022
8-K Open Document | Data Open Filing FORM 8-K Apr 27, 2023 Apr 27, 2023 001-06571
PX14A6G Open Document Open Filing Apr 24, 2023 001-06571
PX14A6G Open Document Open Filing Apr 19, 2023 001-06571
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PX14A6G Open Document Open Filing Apr 12, 2023 001-06571
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ARS Open Document Open Filing ARS Apr 3, 2023 Dec 31, 2022 001-06571
DEFA14A Open Document Open Filing DEFA14A Apr 3, 2023 001-06571
DEF 14A Open Document | Data Open Filing DEF 14A Apr 3, 2023 001-06571
10-K Open Document | Data Open Filing 10-K Feb 24, 2023 Dec 31, 2022 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Feb 16, 2023 Feb 15, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Feb 14, 2023 Feb 13, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2023 Feb 10, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Feb 10, 2023 Feb 9, 2023
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 9, 2023 005-33582
4 Open Document Open Filing PRIMARY DOCUMENT Feb 8, 2023 Feb 6, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Feb 6, 2023 Feb 3, 2023
SC 13G/A Open Document Open Filing Feb 3, 2023 005-33582
8-K Open Document | Data Open Filing FORM 8-K Feb 2, 2023 Feb 2, 2023 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Jan 25, 2023 Jan 23, 2023
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10-Q Open Document | Data Open Filing 10-Q Aug 6, 2019 Jun 30, 2019 001-06571
8-K Open Document Open Filing 8-K Jul 30, 2019 Jul 30, 2019 001-06571
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2019 Jun 28, 2019
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2019 Jun 28, 2019
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2019 Jun 28, 2019
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2019 Jun 28, 2019
4 Open Document Open Filing PRIMARY DOCUMENT Jul 2, 2019 Jun 28, 2019
4 Open Document Open Filing PRIMARY DOCUMENT Jun 27, 2019 Jun 25, 2019
11-K Open Document Open Filing FORM 11-K: MSD EMPLOYEE STOCK PURCHASE AND SAVINGS PLAN (MRK 12.31.18) Jun 20, 2019 Dec 31, 2018 001-06571
11-K Open Document Open Filing FORM 11-K: MSD PUERTO RICO SAVINGS & SECURITY PLAN (MRK 12.31.18) Jun 20, 2019 Dec 31, 2018 001-06571
11-K Open Document Open Filing 11-K: MERCK US SAVINGS PLAN (MRK 12.31.18) Jun 20, 2019 Dec 31, 2018 001-06571
4 Open Document Open Filing 4 Jun 4, 2019 May 31, 2019
4 Open Document Open Filing 4 Jun 4, 2019 May 31, 2019
4 Open Document Open Filing 4 Jun 4, 2019 May 31, 2019
4 Open Document Open Filing 4 Jun 4, 2019 May 31, 2019
4 Open Document Open Filing 4 Jun 4, 2019 May 31, 2019
4 Open Document Open Filing 4 Jun 4, 2019 May 31, 2019
4 Open Document Open Filing 4 Jun 4, 2019 May 31, 2019
4 Open Document Open Filing 4 Jun 4, 2019 May 31, 2019
4 Open Document Open Filing 4 Jun 4, 2019 May 31, 2019
4 Open Document Open Filing 4 Jun 4, 2019 May 31, 2019
4 Open Document Open Filing 4 Jun 4, 2019 May 31, 2019
8-K Open Document Open Filing 8-K - ANNUAL MEETING VOTE RESULTS - 2019 May 31, 2019 May 31, 2019 001-06571
SD Open Document Open Filing FORM SD FOR CALENDAR YEAR 2018 FILED MAY 23, 2019 May 23, 2019 001-06571
4 Open Document Open Filing 4 May 13, 2019 May 10, 2019
4 Open Document Open Filing 4 May 13, 2019 May 10, 2019
4 Open Document Open Filing 4 May 13, 2019 May 10, 2019
4 Open Document Open Filing 4 May 13, 2019 May 10, 2019
4 Open Document Open Filing 4 May 9, 2019 May 6, 2019
4 Open Document Open Filing 4 May 9, 2019 May 7, 2019
10-Q Open Document | Data Open Filing 1Q19 FORM 10-Q May 8, 2019 Mar 31, 2019 001-06571
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
3/A Open Document Open Filing 3/A May 7, 2019 Jan 1, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
4 Open Document Open Filing 4 May 7, 2019 May 3, 2019
PX14A6G Open Document Open Filing May 1, 2019 001-06571
8-K Open Document Open Filing 8-K Apr 30, 2019 Apr 30, 2019 001-06571
PX14A6G Open Document Open Filing Apr 22, 2019 001-06571
4 Open Document Open Filing 4 Apr 9, 2019 Apr 8, 2019 001-38853
SC 13G Open Document Open Filing SC 13G Apr 9, 2019
DEFA14A Open Document Open Filing DEFA14A Apr 8, 2019 001-06571
DEFA14A Open Document Open Filing DEFA14A Apr 8, 2019 001-06571
DEF 14A Open Document Open Filing DEF 14A Apr 8, 2019 May 28, 2019 001-06571
3 Open Document Open Filing 3 Apr 3, 2019 Apr 3, 2019 001-38853
4 Open Document Open Filing Apr 2, 2019 Mar 29, 2019
4 Open Document Open Filing Apr 2, 2019 Mar 29, 2019
4 Open Document Open Filing Apr 2, 2019 Mar 29, 2019
4 Open Document Open Filing Apr 2, 2019 Mar 29, 2019
4 Open Document Open Filing Apr 2, 2019 Mar 29, 2019
4 Open Document Open Filing Apr 2, 2019 Mar 29, 2019
4 Open Document Open Filing Apr 2, 2019 Mar 29, 2019
SC TO-T/A Open Document Open Filing SC TO-T/A Apr 2, 2019
3 Open Document Open Filing Mar 28, 2019 Mar 18, 2019
4 Open Document Open Filing Mar 27, 2019 Mar 25, 2019
SC TO-T/A Open Document Open Filing SC TO-T/A Mar 26, 2019
4 Open Document Open Filing Mar 20, 2019 Mar 18, 2019
4 Open Document Open Filing Mar 20, 2019 Mar 20, 2019
3 Open Document Open Filing Mar 20, 2019 Mar 18, 2019
SC TO-T/A Open Document Open Filing SC TO-T/A Mar 15, 2019
4 Open Document Open Filing Mar 14, 2019 Mar 13, 2019
8-K Open Document Open Filing 8-K Mar 7, 2019 Mar 7, 2019 001-06571
4 Open Document Open Filing Mar 6, 2019 Mar 4, 2019
424B5 Open Document Open Filing 424B5 Mar 6, 2019 333-224017
FWP Open Document Open Filing FWP Mar 6, 2019 333-224017
SC TO-T Open Document Open Filing SC TO-T Mar 5, 2019
424B5 Open Document Open Filing 424B5 Mar 5, 2019 333-224017
4 Open Document Open Filing Feb 27, 2019 Feb 25, 2019
4 Open Document Open Filing Feb 27, 2019 Feb 25, 2019
4 Open Document Open Filing Feb 27, 2019 Feb 25, 2019
4 Open Document Open Filing Feb 27, 2019 Feb 25, 2019
4 Open Document Open Filing Feb 27, 2019 Feb 25, 2019
4 Open Document Open Filing Feb 27, 2019 Feb 25, 2019
4 Open Document Open Filing Feb 27, 2019 Feb 25, 2019
4 Open Document Open Filing Feb 27, 2019 Feb 25, 2019
4 Open Document Open Filing Feb 27, 2019 Feb 25, 2019
10-K Open Document | Data Open Filing 2018 FORM 10-K Feb 27, 2019 Dec 31, 2018 001-06571
4 Open Document Open Filing Feb 22, 2019 Feb 21, 2019
SC TO-C Open Document Open Filing SC TO-C Feb 21, 2019
4 Open Document Open Filing Feb 19, 2019 Feb 15, 2019
4 Open Document Open Filing Feb 14, 2019 Feb 12, 2019
4 Open Document Open Filing Feb 14, 2019 Feb 13, 2019
4 Open Document Open Filing Feb 14, 2019 Feb 14, 2019
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2019
SC 13G Open Document Open Filing SC 13G Feb 14, 2019
4 Open Document Open Filing Feb 11, 2019 Feb 8, 2019
SC 13G/A Open Document Open Filing Feb 11, 2019 005-33582
4 Open Document Open Filing Feb 6, 2019 Feb 5, 2019
SC 13G/A Open Document Open Filing Feb 6, 2019 005-33582
4 Open Document Open Filing Feb 4, 2019 Feb 4, 2019
8-K/A Open Document Open Filing 8-K/A Feb 1, 2019 Feb 1, 2019 001-06571
8-K Open Document Open Filing 8-K Feb 1, 2019 Feb 1, 2019 001-06571
8-K Open Document Open Filing FORM 8-K: ITEM 5.02 Jan 30, 2019 Jan 29, 2019 001-06571
3 Open Document Open Filing Jan 10, 2019 Jan 1, 2019
3 Open Document Open Filing Jan 10, 2019 Jan 1, 2019
4 Open Document Open Filing Jan 3, 2019 Dec 31, 2018
4 Open Document Open Filing Jan 3, 2019 Dec 31, 2018
4 Open Document Open Filing Jan 3, 2019 Dec 31, 2018
4 Open Document Open Filing Jan 3, 2019 Dec 31, 2018
4 Open Document Open Filing Jan 3, 2019 Dec 31, 2018
4 Open Document Open Filing Jan 3, 2019 Dec 31, 2018
8-K Open Document Open Filing FORM 8-K: ITEM 5.02 RESIGNATION AS Dec 10, 2018 Dec 10, 2018 001-06571
4 Open Document Open Filing Nov 8, 2018 Nov 7, 2018
4 Open Document Open Filing Nov 8, 2018 Nov 8, 2018
10-Q Open Document | Data Open Filing 3Q18 FORM 10-Q Nov 6, 2018 Sep 30, 2018 001-06571
4 Open Document Open Filing Nov 2, 2018 Nov 1, 2018
4 Open Document Open Filing Nov 1, 2018 Oct 30, 2018
4 Open Document Open Filing Nov 1, 2018 Oct 31, 2018
4 Open Document Open Filing Nov 1, 2018 Oct 30, 2018
4 Open Document Open Filing Nov 1, 2018 Oct 30, 2018
3 Open Document Open Filing Nov 1, 2018 Oct 29, 2018
8-K Open Document Open Filing 8-K Oct 25, 2018 Oct 25, 2018 001-06571
3 Open Document Open Filing Oct 5, 2018 Oct 3, 2018
8-K Open Document Open Filing 8-K Oct 4, 2018 Oct 2, 2018 001-06571
SC 13G Open Document Open Filing SC 13G Oct 4, 2018
4 Open Document Open Filing Oct 3, 2018 Oct 2, 2018
4 Open Document Open Filing Oct 2, 2018 Sep 28, 2018
4 Open Document Open Filing Oct 2, 2018 Sep 28, 2018
4 Open Document Open Filing Oct 2, 2018 Sep 28, 2018
4 Open Document Open Filing Oct 2, 2018 Sep 28, 2018
4 Open Document Open Filing Oct 2, 2018 Sep 28, 2018
4 Open Document Open Filing Oct 2, 2018 Sep 28, 2018
4 Open Document Open Filing 4 Oct 2, 2018 Oct 1, 2018 001-38662
8-K Open Document Open Filing 8-K Sep 27, 2018 Sep 25, 2018 001-06571
3 Open Document Open Filing 3 Sep 26, 2018 Sep 26, 2018 001-38662
4 Open Document Open Filing Sep 19, 2018 Sep 18, 2018
4 Open Document Open Filing Sep 18, 2018 Sep 17, 2018
10-Q Open Document | Data Open Filing 2Q18 FORM 10-Q (MRK 06.30.2018) Aug 7, 2018 Jun 30, 2018 001-06571
4 Open Document Open Filing Aug 6, 2018 Aug 3, 2018
4 Open Document Open Filing Aug 2, 2018 Aug 2, 2018
4 Open Document Open Filing Aug 1, 2018 Jul 31, 2018
8-K Open Document Open Filing 8-K Jul 27, 2018 Jul 27, 2018 001-06571
4 Open Document Open Filing Jul 2, 2018 Jun 29, 2018
4 Open Document Open Filing Jul 2, 2018 Jun 29, 2018
4 Open Document Open Filing Jul 2, 2018 Jun 29, 2018
4 Open Document Open Filing Jul 2, 2018 Jun 29, 2018
4 Open Document Open Filing Jul 2, 2018 Jun 29, 2018
4 Open Document Open Filing Jul 2, 2018 Jun 29, 2018
11-K Open Document Open Filing FORM 11-K: MSD PUERTO RICO SAVINGS & SECURITY PLAN (MRK 12.31.2017) Jun 19, 2018 Dec 31, 2017 001-06571
11-K Open Document Open Filing FORM 11-K: MSD EMPLOYEE STOCK PURCHASE AND SAVINGS PLAN (MRK 12.31.2017) Jun 19, 2018 Dec 31, 2017 001-06571
11-K Open Document Open Filing FORM 11-K: MERCK US SAVINGS PLAN (MRK 12.31.2017) Jun 19, 2018 Dec 31, 2017 001-06571
4 Open Document Open Filing Jun 19, 2018 Jun 18, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
4 Open Document Open Filing May 29, 2018 May 25, 2018
SD Open Document Open Filing FORM SD FOR CALENDAR YEAR 2017 FILED MAY 29 2018 May 29, 2018 001-06571
8-K Open Document Open Filing 8-K - ANNUAL MEETING VOTE RESULTS - 2018 May 24, 2018 May 24, 2018 001-06571
4 Open Document Open Filing May 16, 2018 May 15, 2018
4 Open Document Open Filing May 8, 2018 May 4, 2018
4 Open Document Open Filing May 8, 2018 May 4, 2018
4 Open Document Open Filing May 8, 2018 May 4, 2018
4 Open Document Open Filing May 8, 2018 May 4, 2018
4 Open Document Open Filing May 8, 2018 May 4, 2018
4 Open Document Open Filing May 8, 2018 May 4, 2018
4 Open Document Open Filing May 8, 2018 May 4, 2018
4 Open Document Open Filing May 8, 2018 May 4, 2018
4 Open Document Open Filing May 8, 2018 May 4, 2018
4 Open Document Open Filing May 8, 2018 May 4, 2018
4 Open Document Open Filing May 8, 2018 May 4, 2018
DEFA14A Open Document Open Filing DEFINITIVE ADDITIONAL MATERIALS - REMINDER LETTER May 8, 2018 001-06571
10-Q Open Document | Data Open Filing 1Q18 FORM 10-Q May 8, 2018 Mar 31, 2018 001-06571
4 Open Document Open Filing May 2, 2018 May 1, 2018
4 Open Document Open Filing May 2, 2018 May 1, 2018
4 Open Document Open Filing May 2, 2018 May 1, 2018
8-K Open Document Open Filing 8-K May 1, 2018 May 1, 2018 001-06571
4 Open Document Open Filing Apr 17, 2018 Apr 16, 2018
3 Open Document Open Filing Apr 17, 2018 Apr 16, 2018
DEFA14A Open Document Open Filing MERCK & CO., INC. - DEFA14A Apr 9, 2018 001-06571
DEFA14A Open Document Open Filing MERCK & CO., INC. - DEFA14A Apr 9, 2018 001-06571
DEF 14A Open Document Open Filing MERCK & CO., INC. - DEF 14A Apr 9, 2018 Apr 9, 2018 001-06571
4 Open Document Open Filing Apr 3, 2018 Apr 2, 2018
4 Open Document Open Filing Apr 3, 2018 Apr 2, 2018
4 Open Document Open Filing Apr 3, 2018 Apr 2, 2018
4 Open Document Open Filing Apr 3, 2018 Apr 2, 2018
4 Open Document Open Filing Apr 3, 2018 Apr 2, 2018
4 Open Document Open Filing Apr 3, 2018 Apr 2, 2018
S-3ASR Open Document Open Filing S-3ASR Mar 29, 2018 333-224017
S-3ASR Open Document Open Filing S-3ASR Mar 29, 2018 333-224016
4 Open Document Open Filing Mar 5, 2018 Mar 1, 2018
3 Open Document Open Filing Mar 5, 2018 Mar 1, 2018
4 Open Document Open Filing Mar 1, 2018 Feb 27, 2018
4 Open Document Open Filing Mar 1, 2018 Feb 27, 2018
4 Open Document Open Filing Mar 1, 2018 Feb 27, 2018
4 Open Document Open Filing Mar 1, 2018 Feb 27, 2018
4 Open Document Open Filing Mar 1, 2018 Feb 27, 2018
4 Open Document Open Filing Mar 1, 2018 Feb 27, 2018
4 Open Document Open Filing Mar 1, 2018 Feb 27, 2018
4 Open Document Open Filing Mar 1, 2018 Feb 27, 2018
4 Open Document Open Filing Mar 1, 2018 Feb 27, 2018
4 Open Document Open Filing Mar 1, 2018 Feb 27, 2018
4 Open Document Open Filing Mar 1, 2018 Feb 27, 2018
10-K Open Document | Data Open Filing 2017 FORM 10-K Feb 27, 2018 Dec 31, 2017 001-06571
8-K Open Document Open Filing 8-K Feb 26, 2018 Feb 21, 2018 001-06571
SC 13G Open Document Open Filing SC 13G Feb 14, 2018
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2018 005-33582
SC 13G/A Open Document Open Filing SC 13G/A Feb 13, 2018
4 Open Document Open Filing Feb 9, 2018 Feb 9, 2018
4 Open Document Open Filing Feb 9, 2018 Feb 9, 2018
SC 13G/A Open Document Open Filing Feb 9, 2018 005-33582
5 Open Document Open Filing FORM 5 SUBMISSION Feb 8, 2018 Dec 31, 2017 001-37367
8-K Open Document Open Filing 8-K Feb 2, 2018 Feb 2, 2018 001-06571
8-K Open Document Open Filing 8-K Jan 26, 2018 Jan 23, 2018 001-06571
SC 13G/A Open Document Open Filing Jan 25, 2018 005-33582
3 Open Document Open Filing FORM 3 SUBMISSION Jan 24, 2018 Jan 24, 2018 001-38356
4/A Open Document Open Filing Jan 19, 2018 Jan 12, 2018
4 Open Document Open Filing Jan 16, 2018 Jan 16, 2018
4 Open Document Open Filing Jan 16, 2018 Jan 16, 2018
4 Open Document Open Filing Jan 16, 2018 Jan 12, 2018
4 Open Document Open Filing Jan 3, 2018 Dec 29, 2017
4 Open Document Open Filing Jan 3, 2018 Dec 29, 2017
4 Open Document Open Filing Jan 3, 2018 Dec 29, 2017
4 Open Document Open Filing Jan 3, 2018 Dec 29, 2017
4 Open Document Open Filing Jan 3, 2018 Dec 29, 2017
4 Open Document Open Filing Dec 18, 2017 Dec 15, 2017
SC 13G Open Document Open Filing Nov 15, 2017
4 Open Document Open Filing Nov 13, 2017 Nov 9, 2017
4 Open Document Open Filing Nov 9, 2017 Nov 8, 2017
10-Q Open Document | Data Open Filing 3Q17 FORM 10-Q Nov 7, 2017 Sep 30, 2017 001-06571
8-K Open Document Open Filing Nov 6, 2017 Nov 1, 2017 001-06571
8-K Open Document Open Filing 8-K Oct 27, 2017 Oct 27, 2017 001-06571
SC 13G Open Document Open Filing SC 13G Oct 16, 2017
4 Open Document Open Filing Oct 2, 2017 Sep 29, 2017
4 Open Document Open Filing Oct 2, 2017 Sep 29, 2017
4 Open Document Open Filing Oct 2, 2017 Sep 29, 2017
4 Open Document Open Filing Oct 2, 2017 Sep 29, 2017
4 Open Document Open Filing Oct 2, 2017 Sep 29, 2017
4/A Open Document Open Filing Sep 6, 2017 Aug 4, 2016
10-Q Open Document | Data Open Filing 2Q17 FORM 10-Q Aug 8, 2017 Jun 30, 2017 001-06571
8-K Open Document | Data Open Filing 8-K Jul 28, 2017 Jul 28, 2017 001-06571
4 Open Document Open Filing Jul 5, 2017 Jun 30, 2017
4 Open Document Open Filing Jul 5, 2017 Jun 30, 2017
4 Open Document Open Filing Jul 5, 2017 Jun 30, 2017
4 Open Document Open Filing Jul 5, 2017 Jun 30, 2017
4 Open Document Open Filing Jul 5, 2017 Jun 30, 2017
11-K Open Document Open Filing FORM 11-K: MSD PUERTO RICO SAVINGS & SECURITY PLAN Jun 19, 2017 Dec 31, 2016 001-06571
11-K Open Document Open Filing FORM 11-K: MSD EMPLOYEE STOCK PURCHASE AND SAVINGS PLAN Jun 19, 2017 Dec 31, 2016 001-06571
11-K Open Document Open Filing FORM 11-K: MERCK US SAVINGS PLAN Jun 19, 2017 Dec 31, 2016 001-06571
3 Open Document Open Filing Jun 1, 2017 May 23, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
4 Open Document Open Filing May 30, 2017 May 26, 2017
3 Open Document Open Filing May 30, 2017 May 23, 2017
SD Open Document Open Filing FORM SD - MAY 25 2017 May 25, 2017 001-06571
8-K Open Document Open Filing FORM 8-K: ANNUAL MEETING VOTE RESULTS - 2017 May 25, 2017 May 25, 2017 001-06571
PX14A6G Open Document Open Filing May 16, 2017 001-06571
4 Open Document Open Filing May 12, 2017 May 12, 2017
4 Open Document Open Filing May 9, 2017 May 5, 2017
4 Open Document Open Filing May 9, 2017 May 5, 2017
4 Open Document Open Filing May 9, 2017 May 5, 2017
4 Open Document Open Filing May 9, 2017 May 5, 2017
4 Open Document Open Filing May 9, 2017 May 5, 2017
4 Open Document Open Filing May 9, 2017 May 5, 2017
4 Open Document Open Filing May 9, 2017 May 5, 2017
4 Open Document Open Filing May 9, 2017 May 5, 2017
4 Open Document Open Filing May 9, 2017 May 5, 2017
4 Open Document Open Filing May 9, 2017 May 5, 2017
4 Open Document Open Filing May 9, 2017 May 5, 2017
10-Q Open Document | Data Open Filing 1Q17 FORM 10-Q May 9, 2017 Mar 31, 2017 001-06571
4 Open Document Open Filing May 3, 2017 May 2, 2017
4 Open Document Open Filing May 3, 2017 May 2, 2017
8-K Open Document Open Filing 8-K - 1Q EARNINGS REPORT May 2, 2017 May 2, 2017 001-06571
PX14A6G Open Document Open Filing Apr 17, 2017 001-06571
DEFA14A Open Document Open Filing MERCK & CO. INC. - DEFA14A Apr 10, 2017 001-06571
DEF 14A Open Document Open Filing MERCK & CO. INC. - DEF 14A Apr 10, 2017 Apr 10, 2017 001-06571
4/A Open Document Open Filing Apr 10, 2017 Feb 27, 2017
4/A Open Document Open Filing Apr 10, 2017 Feb 27, 2017
4 Open Document Open Filing Apr 4, 2017 Apr 3, 2017
4 Open Document Open Filing Apr 4, 2017 Mar 31, 2017
4 Open Document Open Filing Apr 4, 2017 Mar 31, 2017
4 Open Document Open Filing Apr 4, 2017 Mar 31, 2017
4 Open Document Open Filing Apr 4, 2017 Mar 31, 2017
4 Open Document Open Filing Mar 1, 2017 Feb 27, 2017
4 Open Document Open Filing Mar 1, 2017 Feb 27, 2017
4 Open Document Open Filing Mar 1, 2017 Feb 27, 2017
4 Open Document Open Filing Mar 1, 2017 Feb 27, 2017
4 Open Document Open Filing Mar 1, 2017 Feb 27, 2017