Emergent BioSolutions Inc. — Director's Dealing 2025

May 28, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Emergent BioSolutions Inc. (EBS)
CIK: 0001367644
Period of Report: 2025-05-23

Reporting Person: Katkin Keith (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-23	Common Stock	S	7844	$6.30	Disposed	86431	Direct

Footnotes

F1: Represents the number of shares sold by the Reporting Person. Shares were sold pursuant to a Rule 10b5-1 trading plan, dated November 8, 2024, for the purpose of satisfying tax obligations relating to the vesting of RSUs on May 22, 2025.

F2: For reporting purposes, sales prices within a $1 range have been aggregated and the weighted average sales price has been reported. The price ranges were: $6.22 - $6.35. The Company maintains a record of the transactions and copies will be provided upon request.