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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. 4 Grant or award Director acquired 20,000 shares (grant or award)
  2. 4 Grant or award Director acquired 20,000 shares (grant or award)
  3. 4 Grant or award Director acquired 20,000 shares (grant or award)
  4. 4 Grant or award Director acquired 20,000 shares (grant or award)
  5. 4 Grant or award Director acquired 20,000 shares (grant or award)
  6. 4 Grant or award Director acquired 20,000 shares (grant or award)
  7. 4 Grant or award Director acquired 20,000 shares (grant or award)
  8. 4 Grant or award Director acquired 20,000 shares (grant or award)
  9. 4 Grant or award See Remarks acquired 185,000 shares (grant or award)
  10. 4 Open-market sale Chief Operating Officer sold 56,537 shares at $0.78 ($44,099)
  11. 4 Open-market sale CFO & CBO sold 20,689 shares at $0.78 ($16,137)
  12. 4 Open-market sale CEO & President sold 155,333 shares at $0.78 ($121,160)
  13. 4 Open-market sale Director sold 69,219 shares at $0.78 ($53,991)
  14. 4 Open-market sale CFO & CBO sold 40,596 shares at an average $1.31 ($53,008)
  15. 4 Open-market sale Director sold 5,912 shares at $1.35 ($7,981)
  16. 4 Open-market sale Chief Operating Officer sold 2,213 shares at $1.35 ($2,988)
  17. 4 Open-market sale CEO & President sold 2,757 shares at $1.35 ($3,722)
  18. 4 Open-market sale CEO and President sold 32,441 shares at an average $1.31 ($42,646)
  19. 4 Grant or award Director acquired 20,000 shares (grant or award)
  20. 4 Grant or award Director acquired 20,000 shares (grant or award)

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