Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000310158-26-000063
Filing Date
2026-02-24
Accepted
2026-02-24 16:15:30
Documents
156
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2025 mrk-20251231.htm   iXBRL 10-K 5235004
2 EX-10.27 2025 RSU exh1027-2025annualrsuterms.htm EX-10.27 363422
3 EX-10.28 2025 PSU exh1028-2025annualpsuterms.htm EX-10.28 629821
4 EX-10.29 2025 NQSO exh1029-2025annualnqsoterm.htm EX-10.29 190022
5 EX-21 SUBSIDIARY LIST exh21-subsidiarylistasof12.htm EX-21 269398
6 EX-23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM exh23-consentofindependent.htm EX-23 2247
7 EX-24.1 POWER OF ATTORNEY exh241-powerofattorney1.htm EX-24.1 14980
8 EX-24.2 CERTIFICATION OF BOARD RESOLUTION exh242-certificationofboar.htm EX-24.2 6740
9 EX-31.1 RULE 13A-14(A)/15D-14(A) CERTIFICATION OF CEO exh311-rule13ax14a15dx14ac.htm EX-31.1 8067
10 EX-31.2 RULE 13A-14(A)/15D-14(A) CERTIFICATION OF CFO exh312-rule13ax14a15dx14ac.htm EX-31.2 8103
11 EX-32.1 SECTION 1350 CERTIFICATION OF CEO exh321-section1350certific.htm EX-32.1 4057
12 EX-32.2 SECTION 1350 CERTIFICATION OF CFO exh322-section1350certific.htm EX-32.2 3662
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22 mrk-20251231_g5.jpg GRAPHIC 24417
23 mrk-20251231_g6.jpg GRAPHIC 25797
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25 mrk-20251231_g8.jpg GRAPHIC 31485
26 mrk-20251231_g9.jpg GRAPHIC 17845
  Complete submission text file 0000310158-26-000063.txt   29581597

Data Files

Seq Description Document Type Size
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17 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT mrk-20251231_pre.xml EX-101.PRE 1268495
159 EXTRACTED XBRL INSTANCE DOCUMENT mrk-20251231_htm.xml XML 6099143
Mailing Address 126 EAST LINCOLN AVENUE P.O. BOX 2000 RAHWAY NJ 07065
Business Address 126 EAST LINCOLN AVENUE P.O. BOX 2000 RAHWAY NJ 07065 908-740-4000
Merck & Co., Inc. (Filer) CIK: 0000310158 (see all company filings)

EIN.: 221918501 | State of Incorp.: NJ | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-06571 | Film No.: 26671786
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)