Defined benefit and 401(k) savings plan	12 Months Ended
Defined benefit and 401(k) savings plan	Dec. 31, 2025
Retirement Benefits [Abstract]
Defined benefit and 401(k) savings plan	Defined benefit and 401(k) savings plan Defined benefit pension plan The Company previously sponsored a defined benefit pension plan covering eligible employees in Switzerland (the “Swiss Plan”), which was sold as part of the divestiture of the Company's travel health business to Bavarian Nordic in 2023 (See Note 4, “Divestitures” for information on the sale of the travel health business). The Company recognized no pension expense related to the Swiss Plan for the years ended December 31, 2025 and 2024. For the year ended December 31, 2023, the Company recognized pension expense of $0.6 million, reflected as a component of “Selling, general and administrative” expenses on the Consolidated Statement of Operations. 401(k) savings plan The Company has established a defined contribution savings plan under Section 401(k) of the Internal Revenue Code (the “401(k) Plan”). The 401(k) Plan covers substantially all U.S. employees. Under the 401(k) Plan, employees may make elective salary deferrals. During the years ended December 31, 2025, 2024 and 2023, the Company made matching contributions of approximately $4.5 million, $5.7 million and $8.3 million, respectively.

The entire disclosure for retirement benefits.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Emergent BioSolutions Inc. 10-K