Emergent BioSolutions Inc.: director DeGolyer Donald W sold 17,800 shares

What happened

• DeGolyer Donald W, a director of Emergent BioSolutions Inc., sold 17,800 shares on Oct 7, 2026. The filing reports a weighted average sale price of $7.09 and total proceeds of $126,202.
• The filing states the shares were sold pursuant to a Rule 10b5-1 trading plan to satisfy tax obligations relating to RSUs that vested on Oct 2, 2026.

Key details

• Transaction date and price: Oct 7, 2026; weighted average price $7.09; individual sale prices ranged from $6.88 to $7.24.
• Transaction type/code: open market or private sale (S).
• Shares owned after the transaction: not reported in this filing.
• Footnotes: F1 — sales were pursuant to a Rule 10b5-1 plan dated Aug 11, 2025, to satisfy tax obligations from RSU vesting on Oct 2, 2026. F2 — weighted average price reported; seller may provide breakdown of shares sold at each price on request.
• Filing date/timeliness: Form 4 filed on Oct 7, 2026; no late filing indicated in the report.

Why it may matter

• The filing shows a sale under a pre-established 10b5-1 plan for tax-related purposes, not an option exercise or a gift.
• The filing does not show why the insider traded or why the company acted.