Aquilo Capital, L.P., 10% Owner at Spero Therapeutics, Inc. (SPRO), sold 200,000 shares at $19.24 ($3.8M) on 2021-02-01, disclosed to the SEC on 2021-02-04.
Open-market sale of $3.8M SPRO by 10% Owner. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $19.24 | 13,661 | $263K | 6.9% |
| 2 | $19.24 | 13,661 | $263K | 6.9% |
| 3 | $18.99 | 22,841 | $434K | 11.4% |
| 4 | $18.99 | 22,841 | $434K | 11.4% |
| 5 | $18.98 | 29,354 | $557K | 14.6% |
| 6 | $18.98 | 29,354 |
| $557K |
| 14.6% |
| 7 | $18.99 | 34,144 | $648K | 17.0% |
| 8 | $18.99 | 34,144 | $648K | 17.0% |
| Total | $19.02 avg | 200,000 | $3.8M | 100% |
| Filing → |
| SPRO | BUY | 2022-03-02 | $855K | — | Filing → |
| SPRO | BUY | 2022-01-26 | $17K | — | Filing → |
| SPRO | BUY | 2021-11-02 | $2.6M | — | Filing → |