Spero Therapeutics

Judges gavel sitting on a pile of hundred dollar bills

Former Spero execs fined by SEC over antibiotic efficacy claims

The former execs told investors that a phase 3 trial had hit its primary endpoint even after an FDA analysis concluded it hadn't, according to the SEC.

Darren Incorvaia Jan 20, 2026 11:34am

Businessman climbing steps to pluck a star from the sky

GSK unveils pivotal data on oral antibiotic ahead of FDA filing

Oct 21, 2025 10:55am

GSK's bet on rejected UTI antibiotic pays off with phase 3 win

May 28, 2025 8:42am

Scholar Rock rocks the boat with new execs—Chutes & Ladders

May 2, 2025 8:30am

reshuffle pipeline target reorganize shift change

Spero halts development on another antibiotic

Mar 28, 2025 7:05am

packing boxes moving layoffs failure shut down

Spero speared by antibiotic flop, triggering 39% workforce cut

Oct 30, 2024 6:30am