Tamara L. Joseph, Chief Legal Officer at Spero Therapeutics, Inc. (SPRO), sold 30,906 shares at $1.37 ($42K) on 2024-02-02, disclosed to the SEC on 2024-02-05.
Open-market sale of $42k SPRO by Chief Legal Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
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| CBST | SELL | 2012-06-08 | $823K | — | Filing → |