Spero Therapeutics, Inc.
NASDAQSPRO short interest fell 22% over the past week to 1.74% of float, though shares shorted ticked up 4.2% in the last day to 978k.
Snapshot as of 28 Jun 2026
Spero Therapeutics just reported Q1 2026 results after the close on May 13, and the headline numbers tell a split story: EPS of -$0.13 beat the -$0.18 estimate, but quarterly revenue collapsed to $258K from $5.9M a…
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