Merck acquisitions, on the record

Word for word“In February 2024, Merck entered into a definitive agreement to acquire the aqua business of Elanco Animal Health Incorporated for $1.3 billion in cash.” 10-K for 2023

Word for word“In June 2023, Merck acquired Prometheus, a clinical-stage biotechnology company pioneering a precision medicine approach for the discovery, development, and commercialization of novel therapeutic and companion diagnostic products for the treatment of immune-mediated diseases.” 10-K for 2023

Word for word“In January 2023, Merck acquired Imago, a clinical-stage biopharmaceutical company developing new medicines for the treatment of myeloproliferative neoplasms and other bone marrow diseases, for $1.35 billion (including payments to settle share-based equity awards) and also incurred approximately $60 million of transaction costs.” 10-K for 2023

Word for word“In January 2024, Merck entered into an agreement to acquire Harpoon Therapeutics, Inc. (Harpoon), a clinical-stage immunotherapy company developing a novel class of T-cell engagers designed to harness the power of the body’s immune system to treat patients suffering from cancer and other diseases.” 10-K for 2023

Word for word“In February 2023, Merck and Kelun-Biotech closed a license and collaboration agreement expanding their relationship in which Merck gained exclusive rights for the research, development, manufacture and commercialization of up to seven investigational preclinical ADCs for the treatment of cancer.” 10-K for 2023

Word for word“In July 2024, Merck acquired EyeBio, a privately held ophthalmology-focused biotechnology company, for $1.2 billion (including payments to settle share-based equity awards) and also incurred $207 million of transaction costs.” 10-K for 2024

Word for word“In September 2024, Merck acquired MK-1045 (formally CN201), a novel investigational clinical-stage bispecific antibody for the treatment of B-cell associated diseases, from Curon Biopharmaceutical (Curon) for an upfront payment of $700 million.” 10-K for 2024

Word for word“Sales of livestock products grew 4% in 2024 primarily due to higher pricing, increased demand for poultry and swine products, as well as the inclusion of sales from the July 2024 acquisition of the aqua business of Elanco Animal Health Incorporated (Elanco aqua business).” 10-K for 2024

Word for word“In January 2026, Merck acquired Cidara, a biotechnology company developing drug-Fc conjugate (DFC) therapeutics, for approximately $9.2 billion (including payments to settle share-based equity awards).” 10-K for 2025

Word for word“The Company used the net proceeds from the offering for general corporate purposes, including to fund a portion of the $10.4 billion cash consideration for the October 2025 acquisition of Verona Pharma, including related fees and expenses (see Note 3 to the consolidated financial statements).” 10-K for 2025

Word for word“Sales of livestock products grew 13% in 2025 primarily due to increased demand across all species, the inclusion of sales from the July 2024 acquisition of the aqua business of Elanco Animal Health Incorporated (Elanco aqua business), improved supply, new product launches, and higher pricing.” 10-K for 2025

Word for word“The Company used a portion of the net proceeds from the offering to fund a portion of the $11.0 billion cash consideration paid for the acquisition of Prometheus Biosciences, Inc., including related fees and expenses, and used the remaining net proceeds for general corporate purposes including to repay commercial paper borrowings and other indebtedness with upcoming maturities.” 10-K for 2025