Form 4 Filing for Emergent BioSolutions Inc.

This Form 4 filing details a transaction by Richard S. Lindahl, EVP and Chief Financial Officer of Emergent BioSolutions Inc. On June 8, 2026, Lindahl disposed of 3,964 shares of common stock at a price of $8.00 per share. This disposition was to cover taxes associated with the vesting and settlement of restricted stock units, as indicated by footnote F1. Following this transaction, Lindahl directly owns 374,083 shares of Emergent BioSolutions Inc. common stock.