BIOTECHNOLOGY VALUE FUND L P 13D/13G Filings for Spero Therapeutics, Inc. (SPRO)

BIOTECHNOLOGY VALUE FUND L P 13D and 13G filings for Spero Therapeutics, Inc.:

  • 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.
  • Shares have been adjusted for stock splits.
Time period
Reported
DateTime		 Transaction
Date		 Type Company
Symbol		 Filed By
Symbol		 Shares Owned
% Owned		 Shares Vs. Prev Report View
2023-02-14
11:47 am
Sale		 2022-12-31 13G Spero Therapeutics, Inc.
SPRO		 BIOTECHNOLOGY VALUE FUND L P 0
0.000%		 -3,411,520decrease
(Position Closed)		 Filing
2022-02-14
1:27 pm
Purchase		 2021-12-31 13G Spero Therapeutics, Inc.
SPRO		 BIOTECHNOLOGY VALUE FUND L P 3,411,520
9.990%		 643,242increase
(+23.24%)		 Filing
2021-02-12
8:16 pm
Purchase		 2020-12-31 13G Spero Therapeutics, Inc.
SPRO		 BIOTECHNOLOGY VALUE FUND L P 2,768,278
9.990%		 739,873increase
(+36.48%)		 Filing