Merck & Co.
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Merck & Co. (MRK) SEC Filings
Browse all Merck & Co. SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more
Merck & Co. Reports: Annual 10-K, Quarterly 10-Q & SEC Filings
SEC Filings
Date
2026
ARS
Annual Report to Shareholders
DEFA14A
Additional or supplemental proxy disclosures
DEF 14A
Final shareholder voting details (board elections and executive pay)
SC TO-T
Third-party tender offer for acquisitions
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
SC 13G/A
Updated passive ownership disclosure
3
Initial disclosure of insider ownership
10-K
Annual financial results and management updates
13F-HR
Quarterly equity holdings of institutional investment managers
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
SC TO-T/A
Amendment to third-party tender offer filing
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
2025
SC TO-T/A
Amendment to third-party tender offer filing
Merck & Co. Annual Report (ARS) 2026
Annual Reports / Annual Report to Shareholders
Apr 8, 2026
