Aquilo Capital, L.P., 10% Owner at Spero Therapeutics, Inc. (SPRO), sold 125,900 shares at $13.77 ($1.7M) on 2020-11-09, disclosed to the SEC on 2020-11-10.
Open-market sale of $1.7M SPRO by 10% Owner. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Negative factors outweigh the positive ones.
| Filing → |
| SPRO | BUY | 2022-03-02 | $855K | — | Filing → |
| SPRO | BUY | 2022-01-26 | $17K | — | Filing → |
| SPRO | BUY | 2021-11-02 | $2.6M | — | Filing → |