Spero Therapeutics Inc. (SPRO) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Goto Prev, 0, 1
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2021-02-10
4:37 pm
Sale
2020-12-3113GSpero Therapeutics, Inc.
SPRO
GV 2015 L.P.889,979
3.270%
-222,494decrease
(-20.00%)
Filing
History
2021-02-02
3:13 pm
Purchase
2020-12-3113GSpero Therapeutics, Inc.
SPRO
BlackRock Inc.
BLK
1,731,600
6.400%
1,731,600increase
(New Position)
Filing
History
2021-02-02
1:02 pm
Unchanged
2020-12-3113GSpero Therapeutics, Inc.
SPRO
Atlas Venture Fund IX L.P.1,376,968
5.060%
0
(Unchanged)
Filing
History
Goto Prev, 0, 1