Aquilo Capital Management, LLC, 10% Owner at Spero Therapeutics, Inc. (SPRO), bought 100,000 shares at $8.79 ($879K) on 2022-03-30, disclosed to the SEC on 2022-03-31.
Open-market purchase of $879k 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 | $8.79 | 16,885 | $148K | 16.9% |
| 2 | $8.79 | 16,885 | $148K | 16.9% |
| 3 | $8.79 | 33,115 | $291K | 33.1% |
| 4 | $8.79 | 33,115 | $291K | 33.1% |
| Total | $8.79 avg | 100,000 | $879K | 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 → |