| 2020-12-16 | Sale | Spero Therapeutics, Inc. SPRO | Chief Operating Officer | 12,000 0.0454% | $19.00 | $228,000 | -12.36% | |
| 2018-07-05 | Sale | Spero Therapeutics, Inc. SPRO | Chief Operating Officer | 4,000 0.0225% | $17.50 | $70,000 | -38.11% | |
| 2017-11-06 | Spero Therapeutics, Inc. SPRO | Chief Operating Officer | 1,500 0.0189% | $14.00 | $21,000 | -3% |