Aquilo Capital Management, LLC, 10% Owner at Spero Therapeutics, Inc. (SPRO), bought 49,498 shares at $18.50 ($916K) on 2021-09-09, disclosed to the SEC on 2021-09-10.
Open-market purchase of $916k 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 C.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $18.50 | 24,749 | $458K | 50.0% |
| 2 | $18.50 | 24,749 | $458K | 50.0% |
| Total | $18.50 avg | 49,498 | $916K | 100% |
| Filing → |
| SPRO | BUY | 2022-02-23 | $274K | — | Filing → |
| SPRO | BUY | 2022-02-01 | $1.4M | — | Filing → |
| SPRO | BUY | 2022-01-20 | $1.2M | — | Filing → |