Cristina Larkin, Chief Operating Officer at Spero Therapeutics, Inc. (SPRO), bought 1,500 shares at $14.00 ($21K) on 2017-11-06, disclosed to the SEC on 2017-11-07.
High-signal trade — passes our conviction filters but the AI narrative is still being generated. Check back shortly.
Something here stands out, but not much.
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