| 2024-02-02 | Sale | Spero Therapeutics, Inc. SPRO | Chief Legal Officer | 30,906 0.0509% | $1.37 | $42,341 | +4.79% | |
| 2023-08-28 | Sale | Spero Therapeutics, Inc. SPRO | Chief Legal Officer | 1,854 0.0035% | $1.26 | $2,336 | +13.49% | |
| 2023-02-02 | Sale | Spero Therapeutics, Inc. SPRO | Chief Legal Officer | 3,394 0.0066% | $1.86 | $6,313 | -20.77% |