Aquilo Capital, L.P., 10% Owner at Spero Therapeutics, Inc. (SPRO), bought 90,576 shares at $18.56 ($1.7M) on 2021-09-13, disclosed to the SEC on 2021-09-15.
Open-market purchase of $1.7M 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.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $18.56 | 44,210 | $821K | 48.8% |
| 2 | $18.56 | 44,210 | $821K | 48.8% |
| 3 | $18.49 | 2,156 | $40K | 2.4% |
| Total | $18.56 avg | 90,576 | $1.7M | 100% |
| Filing → |
| SPRO | BUY | 2022-03-02 | $855K | — | Filing → |
| SPRO | BUY | 2022-01-26 | $17K | — | Filing → |
| SPRO | BUY | 2021-11-02 | $2.6M | — | Filing → |