Is Spero Therapeutics, Inc. - Common Stock publicly traded?
   Yes, Spero Therapeutics, Inc. - Common Stock is publicly traded.
   
  
   What exchange does Spero Therapeutics, Inc. - Common Stock trade on?
   Spero Therapeutics, Inc. - Common Stock trades on the Nasdaq Stock Market
   
  
   What is the ticker symbol for Spero Therapeutics, Inc. - Common Stock?
   The ticker symbol for Spero Therapeutics, Inc. - Common Stock is SPRO on the Nasdaq Stock Market
   
  
   What is the current price of Spero Therapeutics, Inc. - Common Stock?
   The current price of Spero Therapeutics, Inc. - Common Stock is 2.395
   
  
   When was Spero Therapeutics, Inc. - Common Stock last traded?
   The last trade of Spero Therapeutics, Inc. - Common Stock was at 10/31/25 10:45 AM ET
   
  
   What is the market capitalization of Spero Therapeutics, Inc. - Common Stock?
   The market capitalization of Spero Therapeutics, Inc. - Common Stock is 125.91M
   
  
   How many shares of Spero Therapeutics, Inc. - Common Stock are outstanding?
   Spero Therapeutics, Inc. - Common Stock has 126M shares outstanding.