← Insider buys
SPRO

Spero Therapeutics, Inc. · Healthcare

General Counsel Tamara L Joseph sold $42K of Spero Therapeutics, Inc.

Sold$42,341
$1.37Price
30,906Shares
−5%Stake

What SPRO did after the filing

Filed Feb 5, copier in the same day
The stock from Mon, Feb 5 close, $1.44
+23.6%
S&P 500, same days
+5.0%

Measured over 30 trading days, to the Mar 19 close.

Traded Fri, Feb 2. Filed Mon, Feb 5, 3:48 PM ET, during the session. Returns use the Feb 5 close and the Mar 19 close. Not investment advice.