$MRK · Merck & Co., Inc.

Merck & Co., Inc. filed a Form 25 with the Securities and Exchange Commission on October 15, 2026, notifying the removal from listing and registration on the New York Stock Exchange of its 1.875% Notes due 2026. The filing identifies the issuer’s principal executive offices in Rahway, New Jersey, and lists the notes as the class of securities being withdrawn.

The notification states that the New York Stock Exchange LLC has complied with its rules to strike the securities from listing and that Merck has complied with the exchange’s rules and SEC requirements governing voluntary withdrawal. The filing does not provide a specific reason for the delisting, such as maturity or redemption, but serves as the formal notice that the notes will no longer be listed or registered under Section 12(b) of the Securities Exchange Act of 1934.