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CIK 0001701108 · Non-accelerated filer<br>Smaller reporting company

Spero Therapeutics, Inc.

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Ticker
SPRO
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
857-242-1600
Business address
675 MASSACHUSETTS AVENUE, 14TH FLOOR, CAMBRIDGE, MA, 02139
Former names
Spero Therapeutics, LLC
  1. CT ORDER Other Confidential Order
  2. D Other Notice of Sales of Unregistered Securities
  3. S-8 Other Securities Offered to Employees in Benefit Plans
  4. DEFA14A Proxy Proxy Materials
  5. CT ORDER Other Confidential Order
  6. S-8 Other Securities Offered to Employees in Benefit Plans
  7. D Other Notice of Sales of Unregistered Securities
  8. EFFECT Other Notice of Effectiveness
  9. S-8 Other Securities Offered to Employees in Benefit Plans
  10. S-8 Other Securities Offered to Employees in Benefit Plans
  11. S-8 Other Securities Offered to Employees in Benefit Plans
  12. CT ORDER Other Confidential Order
  13. S-8 Other Securities Offered to Employees in Benefit Plans
  14. S-8 Other Securities Offered to Employees in Benefit Plans
  15. EFFECT Other Notice of Effectiveness
  16. CT ORDER Other Confidential Order
  17. EFFECT Other Notice of Effectiveness
  18. DRS Other Draft Registration Statement
  19. S-8 Other Securities Offered to Employees in Benefit Plans
  20. EFFECT Other Notice of Effectiveness

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