Event Type
Disclosure
Mandatory
Variant
8-K
. Entry into Material Definitive Agreement and Amendment of a Material Definitive Agreement. Material Definitive Agreement. On January 6, 2026, Amphastar Ph
of this Current Report on Form 8-K is not deemed to be “filed” for the purpose of Section 18 of the Securities Act of 1933, or the Securities Act of 1934, excep
. Financial Statements and Exhibits (d) Exhibits Exhibit No. Description 99.1 Press Release, dated January 12, 2026 of Amphastar Pharmaceuticals, Inc. 104 Cov