Event Type
Disclosure
Mandatory
Variant
8-K
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Effective as
of this Current Report on Form 8-K, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Exchange Ac
Financial Statements and Exhibits. (d) Exhibits. Exhibit No. Description 99.1 Press Release Issued by MBX Biosciences, Inc. on January 22, 2026 104 Cover Page I