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| SEC Filing | Insider | Company | Trade Date | Transaction | Shares | Avg. Price | Total | % Holdings | Return |
|---|---|---|---|---|---|---|---|---|---|
| 05-Feb-24 8:40 PM View:  | Shukla Sath CEO and President Director | Spero Therapeutics, Inc. (SPRO) | 05-Feb-24 | Sale (Planned) | 45,093 | $1.45 | $65,384.90 | (4%) 1.22M to 1.18M | |
| 05-Feb-24 8:45 PM View: | Hamed Kamal Chief Medical Officer | Spero Therapeutics, Inc. (SPRO) | 02-Feb-24 | Sale | 28,075 | $1.37 | $38,462.80 | (3%) 816.19K to 788.12K | |
| 05-Feb-24 8:40 PM View: | Shukla Sath CEO and President Director | Spero Therapeutics, Inc. (SPRO) | 02-Feb-24 | Sale | 30,901 | $1.37 | $42,334.40 | (2%) 1.25M to 1.22M | |
| 05-Feb-24 8:48 PM View: | Joseph Tamara L Chief Legal Officer | Spero Therapeutics, Inc. (SPRO) | 02-Feb-24 | Sale | 30,906 | $1.37 | $42,341.20 | (5%) 562.52K to 531.62K | |
| 05-Feb-24 8:53 PM View: | Keutzer Timothy Chief Operating Officer | Spero Therapeutics, Inc. (SPRO) | 02-Feb-24 | Sale | 30,971 | $1.36 | $42,120.60 | (5%) 565.02K to 534.05K | |
| 05-Feb-24 8:50 PM View: | Mahadevia Ankit Director | Spero Therapeutics, Inc. (SPRO) | 02-Feb-24 | Sale | 63,795 | $1.37 | $87,399.10 | (8%) 808.79K to 745.0K | |
| 05-Feb-24 8:40 PM View: | Shukla Sath CEO and President Director | Spero Therapeutics, Inc. (SPRO) | 01-Feb-24 | Grant | 679,501 | -- | -- | 119% 572.5K to 1.25M | |
| 05-Feb-24 8:48 PM View: | Joseph Tamara L Chief Legal Officer | Spero Therapeutics, Inc. (SPRO) | 01-Feb-24 | Grant | 239,731 | -- | -- | 74% 322.79K to 562.52K | |
| 05-Feb-24 8:53 PM View: | Keutzer Timothy Chief Operating Officer | Spero Therapeutics, Inc. (SPRO) | 01-Feb-24 | Grant | 239,731 | -- | -- | 74% 325.29K to 565.02K | |
| 05-Feb-24 8:45 PM View: | Hamed Kamal Chief Medical Officer | Spero Therapeutics, Inc. (SPRO) | 01-Feb-24 | Grant | 239,731 | -- | -- | 42% 576.46K to 816.19K | |
| 05-Feb-24 8:44 PM View: | Rajavelu Esther See Remarks | Spero Therapeutics, Inc. (SPRO) | 01-Feb-24 | Grant | 119,866 | -- | -- | 40% 300.0K to 419.87K | |
| 15-Nov-23 4:17 PM View: | Rajavelu Esther See Remarks | Spero Therapeutics, Inc. (SPRO) | 13-Nov-23 | Grant | 300,000 | -- | -- | 100% 0 to 300.0K | |
| 10-Oct-23 5:40 PM View: | Smith Cynthia Director | Spero Therapeutics, Inc. (SPRO) | 05-Oct-23 | Grant | 20,000 | -- | -- | 133% 15.0K to 35.0K | |
| 10-Oct-23 5:43 PM View: | Pottage John C Jr Director | Spero Therapeutics, Inc. (SPRO) | 05-Oct-23 | Grant | 20,000 | -- | -- | 133% 15.0K to 35.0K | |
| 10-Oct-23 5:18 PM View: | Mahadevia Ankit Director | Spero Therapeutics, Inc. (SPRO) | 05-Oct-23 | Grant | 20,000 | -- | -- | 3% 788.79K to 808.79K | |
| 10-Oct-23 5:34 PM View: | Deshpande Milind Director | Spero Therapeutics, Inc. (SPRO) | 05-Oct-23 | Grant | 20,000 | -- | -- | 64% 31.45K to 51.45K | |
| 10-Oct-23 5:19 PM View: | Jackson Scott Thomas Director | Spero Therapeutics, Inc. (SPRO) | 05-Oct-23 | Grant | 20,000 | -- | -- | 133% 15.0K to 35.0K | |
| 10-Oct-23 5:39 PM View: | Thomas Frank E Director | Spero Therapeutics, Inc. (SPRO) | 05-Oct-23 | Grant | 20,000 | -- | -- | 133% 15.0K to 35.0K | |
| 10-Oct-23 5:28 PM View: | Vink Patrick V.J.J. Director | Spero Therapeutics, Inc. (SPRO) | 05-Oct-23 | Grant | 20,000 | -- | -- | 133% 15.0K to 35.0K | |
| 10-Oct-23 5:29 PM View: | Tregoning Kathleen Director | Spero Therapeutics, Inc. (SPRO) | 05-Oct-23 | Grant | 20,000 | -- | -- | 133% 15.0K to 35.0K | |
| 15-Sep-23 5:47 PM View: | Hamed Kamal Chief Medical Officer | Spero Therapeutics, Inc. (SPRO) | 13-Sep-23 | Sale | 39,496 | $1.27 | $50,159.90 | (6%) 615.96K to 576.46K | |
| 30-Aug-23 4:20 PM View: | Shukla Sath CEO and President Director | Spero Therapeutics, Inc. (SPRO) | 29-Aug-23 | Sale (Planned) | 4,163 | $1.30 | $5,411.90 | (< 1%) 576.66K to 572.5K | |
| 30-Aug-23 4:23 PM View: | Keutzer Timothy Chief Development Officer | Spero Therapeutics, Inc. (SPRO) | 28-Aug-23 | Sale | 1,854 | $1.26 | $2,336.04 | (< 1%) 327.14K to 325.29K | |
| 30-Aug-23 4:20 PM View: | Shukla Sath CEO and President Director | Spero Therapeutics, Inc. (SPRO) | 28-Aug-23 | Sale | 1,854 | $1.26 | $2,336.04 | (< 1%) 578.52K to 576.66K | |
| 30-Aug-23 4:21 PM View: | Mahadevia Ankit Director | Spero Therapeutics, Inc. (SPRO) | 28-Aug-23 | Sale | 9,040 | $1.26 | $11,390.40 | (1%) 797.83K to 788.79K | |
| 30-Aug-23 4:22 PM View: | Joseph Tamara L Chief Legal Officer | Spero Therapeutics, Inc. (SPRO) | 28-Aug-23 | Sale | 1,854 | $1.26 | $2,336.04 | (< 1%) 324.64K to 322.79K | |
| 03-Aug-23 4:10 PM View: | Shukla Sath CEO and President Director | Spero Therapeutics, Inc. (SPRO) | 01-Aug-23 | Grant | 266,000 | -- | -- | 85% 312.52K to 578.52K | |
| 14-Jun-23 8:30 AM View: | Hamed Kamal Chief Medical Officer | Spero Therapeutics, Inc. (SPRO) | 12-Jun-23 | Grant | 140,000 | -- | -- | 29% 475.96K to 615.96K | |
| 06-Feb-23 4:15 PM View: | Mahadevia Ankit CEO and President Director | Spero Therapeutics, Inc. (SPRO) | 03-Feb-23 | Sale | 12,286 | $1.81 | $22,237.70 | (2%) 810.12K to 797.83K | |
| 03-Feb-23 7:41 PM View: | Shukla Sath Chief Financial Officer | Spero Therapeutics, Inc. (SPRO) | 02-Feb-23 | Sale (Planned) | 9,504 | $1.83 | $17,372.40 | (3%) 322.02K to 312.52K | |
| 03-Feb-23 7:43 PM View: | Joseph Tamara L Chief Legal Officer | Spero Therapeutics, Inc. (SPRO) | 02-Feb-23 | Sale | 3,394 | $1.86 | $6,312.84 | (1%) 328.04K to 324.64K | |
| 03-Feb-23 7:43 PM View: | Keutzer Timothy Chief Operating Officer | Spero Therapeutics, Inc. (SPRO) | 02-Feb-23 | Sale | 3,394 | $1.86 | $6,312.84 | (1%) 330.54K to 327.14K | |
| 03-Feb-23 7:43 PM View: | Joseph Tamara L Chief Legal Officer | Spero Therapeutics, Inc. (SPRO) | 01-Feb-23 | Grant | 265,957 | -- | -- | 428% 62.08K to 328.04K | |
| 03-Feb-23 7:43 PM View: | Keutzer Timothy Chief Operating Officer | Spero Therapeutics, Inc. (SPRO) | 01-Feb-23 | Grant | 265,957 | -- | -- | 412% 64.58K to 330.54K | |
| 03-Feb-23 7:41 PM View: | Shukla Sath Chief Financial Officer | Spero Therapeutics, Inc. (SPRO) | 01-Feb-23 | Grant | 265,957 | -- | -- | 474% 56.06K to 322.02K | |
| 03-Feb-23 7:40 PM View: | Hamed Kamal Chief Medical Officer | Spero Therapeutics, Inc. (SPRO) | 01-Feb-23 | Grant | 265,957 | -- | -- | 127% 210.0K to 475.96K | |
| 03-Feb-23 7:38 PM View: | Mahadevia Ankit CEO and President Director | Spero Therapeutics, Inc. (SPRO) | 01-Feb-23 | Grant | 531,914 | -- | -- | 191% 278.2K to 810.12K | |
| 26-Sep-22 3:32 PM View: | Aquilo Capital Management, ... 10% Owner | Spero Therapeutics, Inc. (SPRO) | 22-Sep-22 | Sale | 1,901,800 | $2.25 | $4,279,610.00 | (36%) 5.32M to 3.42M | |
| 19-Sep-22 5:45 PM View: | Jackson Scott Thomas Director | Spero Therapeutics, Inc. (SPRO) | 15-Sep-22 | Grant | 15,000 | -- | -- | 100% 0 to 15.0K | |
| 19-Sep-22 5:40 PM View: | Thomas Frank E Director | Spero Therapeutics, Inc. (SPRO) | 15-Sep-22 | Grant | 15,000 | -- | -- | 100% 0 to 15.0K | |
| 19-Sep-22 5:39 PM View: | Vink Patrick V.J.J. Director | Spero Therapeutics, Inc. (SPRO) | 15-Sep-22 | Grant | 15,000 | -- | -- | 100% 0 to 15.0K | |
| 19-Sep-22 5:39 PM View: | Tregoning Kathleen Director | Spero Therapeutics, Inc. (SPRO) | 15-Sep-22 | Grant | 15,000 | -- | -- | 100% 0 to 15.0K | |
| 19-Sep-22 5:44 PM View: | Smith Cynthia Director | Spero Therapeutics, Inc. (SPRO) | 15-Sep-22 | Grant | 15,000 | -- | -- | 100% 0 to 15.0K | |
| 19-Sep-22 5:44 PM View: | Pottage John C Jr Director | Spero Therapeutics, Inc. (SPRO) | 15-Sep-22 | Grant | 15,000 | -- | -- | 100% 0 to 15.0K | |
| 19-Sep-22 5:44 PM View: | Deshpande Milind Director | Spero Therapeutics, Inc. (SPRO) | 15-Sep-22 | Grant | 15,000 | -- | -- | 91% 16.45K to 31.45K | |
| 14-Sep-22 9:49 PM View: | Hamed Kamal Chief Medical Officer | Spero Therapeutics, Inc. (SPRO) | 12-Sep-22 | Grant | 210,000 | -- | -- | 100% 0 to 210.0K | |
| 30-Aug-22 5:00 PM View: | Shukla Sath Chief Financial Officer | Spero Therapeutics, Inc. (SPRO) | 29-Aug-22 | Sale (Planned) | 6,017 | $0.89 | $5,377.99 | (10%) 62.08K to 56.06K | |
| 28-Apr-22 4:13 PM View: | Aquilo Capital Management, ... 10% Owner | Spero Therapeutics, Inc. (SPRO) | 26-Apr-22 | Private Purchase | 39,727 | $5.24 | $207,971.00 | < 1% 5.28M to 5.32M | |
| 31-Mar-22 3:51 PM View: | Aquilo Capital Management, ... 10% Owner | Spero Therapeutics, Inc. (SPRO) | 30-Mar-22 | Private Purchase | 50,000 | $8.79 | $439,420.00 | < 1% 5.23M to 5.28M | |
| 16-Mar-22 4:23 PM View: | Aquilo Capital Management, ... 10% Owner | Spero Therapeutics, Inc. (SPRO) | 14-Mar-22 | Private Purchase | 23,708 | $7.63 | $180,797.00 | < 1% 5.21M to 5.23M |
