Sign in

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

Spero Therapeutics, Inc.

Sign in to watch
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 Open-market sale 10% owner sold 1,901,796 shares at $2.25 ($4,279,612)
  2. 4 Grant or award Director acquired 15,000 shares (grant or award)
  3. 4 Grant or award Director acquired 15,000 shares (grant or award)
  4. 4 Grant or award Director acquired 15,000 shares (grant or award)
  5. 4 Grant or award Director acquired 15,000 shares (grant or award)
  6. 4 Grant or award Director acquired 15,000 shares (grant or award)
  7. 4 Grant or award Director acquired 15,000 shares (grant or award)
  8. 4 Grant or award Director acquired 15,000 shares (grant or award)
  9. 4 Grant or award Chief Medical Officer acquired 210,000 shares (grant or award)
  10. 3 Insider Initial Statement of Ownership
  11. 4 Open-market sale Chief Financial Officer sold 6,017 shares at $0.89 ($5,378)
  12. 4 Open-market buy 10% owner bought 39,727 shares at $5.24 ($207,971)
  13. 4 Open-market buy 10% owner bought 50,000 shares at $8.79 ($439,420)
  14. 4 Open-market buy 10% owner bought 23,708 shares at $7.63 ($180,797)
  15. 4 Open-market buy 10% owner bought 44,833 shares at $9.53 ($427,227)
  16. 4 Open-market buy 10% owner bought 14,828 shares at $9.24 ($137,039)
  17. 4 Grant or award Chief Medical Officer acquired 38,014 shares (grant or award)
  18. 4 Grant or award Chief Financial Officer acquired 38,014 shares (grant or award)
  19. 4 Grant or award Chief Operating Officer acquired 38,014 shares (grant or award)
  20. 4 Grant or award CEO and President acquired 134,168 shares (grant or award)

Page 5 of 12 · 231 filings