The background to this is Emergent BioSolutions stock prices falling by over 50% on February 19

  • Company's CEO, Robert Kramer, is reported to have sold more than $10 million worth of stock in January and early February.
  • The Emergent Biosolutions Maryland facility ruined 15 million doses of Johnson & Johnson's COVID-19 vaccines due to human error (the news of this hit late March)

Warren wants an investigation.