Aquilo Capital, L.P., 10% Owner at Spero Therapeutics, Inc. (SPRO), bought 269,086 shares at $18.65 ($5.0M) on 2021-09-30, disclosed to the SEC on 2021-10-04.
Open-market purchase of $5.0M SPRO by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade B.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $18.65 | 134,543 | $2.5M | 50.0% |
| 2 | $18.65 | 134,543 | $2.5M | 50.0% |
| Total | $18.65 avg | 269,086 | $5.0M | 100% |
| Filing → |
| SPRO | BUY | 2022-03-02 | $855K | — | Filing → |
| SPRO | BUY | 2022-01-26 | $17K | — | Filing → |
| SPRO | BUY | 2021-11-02 | $2.6M | — | Filing → |