Live feed08:28:29·987dSECFilingvia QuantisnowSpero Therapeutics Inc. filed SEC Form 8-K: Leadership Update, Submission of Matters to a Vote of Security Holders, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal YearByQuantisnow·Wall Street's wire, on your screen.SPRO· Spero Therapeutics Inc.Health CareOriginal source