Glessner Coleen 4

What Happened Coleen Glessner, EVP, Quality & Ethics (and CPL) at Emergent BioSolutions (EBS), had 2,018 shares of common stock withheld to satisfy tax withholding associated with the vesting/settlement of restricted stock units. The withholding was recorded on 2026-06-08 at an effective price of $8.00 per share, representing a disposition value of $16,144. This was a tax-withholding disposition (routine), not an open-market sale or purchase.

Key Details

• Transaction date: 2026-06-08; Filing date: 2026-06-10 (filed timely).
• Transaction type/code: Tax withholding to cover tax liability (Code F).
• Shares withheld/disposed: 2,018 at $8.00 each; total value $16,144.
• Shares owned after transaction: Not specified in the Form 4.
• Footnote: F1 — "Represents shares of common stock withheld to pay taxes associated with vesting and settlement of restricted stock units."

Context This was a cashless tax-withholding action upon RSU settlement—a common administrative transaction that does not necessarily signal insider buying or selling intent. For retail investors, such withholdings are routine and primarily serve to cover tax obligations rather than indicate a change in the insider’s view of the company.