Aquilo Capital Management, LLC, 10% Owner at Spero Therapeutics, Inc. (SPRO), bought 29,656 shares at $9.24 ($274K) on 2022-02-18, disclosed to the SEC on 2022-02-23.
Open-market purchase of $274k 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 D.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $9.24 | 14,828 | $137K | 50.0% |
| 2 | $9.24 | 14,828 | $137K | 50.0% |
| Total | $9.24 avg | 29,656 | $274K | 100% |
| Filing → |
| SPRO | BUY | 2022-02-01 | $1.4M | — | Filing → |
| SPRO | BUY | 2022-01-20 | $1.2M | — | Filing → |
| SPRO | BUY | 2022-01-12 | $229K | — | Filing → |