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Form 8-K · Current Report · Filed 2026-05-22

Merck & Co., Inc. Issued New Debt Securities

On May 22, 2026, Merck & Co., Inc. closed an underwritten public offering of various notes totaling $5.35 billion in aggregate principal amount. The notes have different interest rates and maturity dates ranging from 2028 to 2056.

Filer
Merck & Co., Inc. MRK · NYSE
Filed
Accession
0001628280-26-037738
CIK
0000310158
Signal
Medium impactHealthcare

Items reported

Item events

Reported Item

New Debt Issued

Market reaction

Close before filing

$115.88

Next session

+3.3%

Since filing

+12.4%

Latest close

$130.20

What happened, not what will happen — closing prices around the filing date.

Precedent

Previous filings from MRK reporting the same item, with the next session's move:

Insider tape

Within 45 days of this filing, MRK insiders reported 40 Form 4 transactions — net buying of $2.7M.

Full MRK insider history →

About Merck & Co., Inc.

Merck & Co., Inc. is a prominent player in the global pharmaceutical industry. It is primarily focused on the research, development, production, and marketing of drugs and vaccines. Known for its strong emphasis on innovative health solutions, Merck develops treatments and vaccines for a variety of diseases affecting humans and animals. Key areas include oncology, infectious diseases, diabetes, and vaccines, reflecting its commitment to addressing critical health challenges worldwide. The company operates in several strategic regions, exporting its advanced therapies to meet healthcare needs across different markets. With a robust pipeline of new products and significant investment in research and development, Merck plays a vital role in advancing medical breakthroughs and enhancing patient care. Beyond pharmaceuticals, Merck is involved in animal health, providing veterinary vaccines and services, contributing to agricultural productivity and food security. The company's ongoing efforts in groundbreaking research and public health initiatives underscore its importance in the healthcare sector.

Exchange NYSE Industry Drug Manufacturers - General Company website ↗

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