Keutzer Timothy
SEC CIK 1798155 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| SPRO | Spero Therapeutics, Inc. | Chief Development Off | 742.5K | — | $246.4K | 14 | 2021-08-26 | 2026-02-06 |
Most active insiders at SPRO, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Rajavelu Esther | See Remarks | — | $406.8K |
| 2 | Keutzer Timothy | COO | — | $145.2K |
| 3 | Tregoning Kathleen | Dir | — | — |
| 4 | Zack Debra | Chief Medical Off | — | — |
| 5 | Smith Cynthia | Dir | — | — |
| 6 | Jackson Scott Thomas | Dir | — | — |
| 7 | VINK PATRICK V.J.J. | Dir | — | — |
| 8 | Deshpande Milind | Dir | — | — |
| 9 | Pottage John C Jr | Dir | — | — |
| 10 | THOMAS FRANK E | Dir | — | — |
Transactions 14
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-09 | 2026-02-06 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | COO | S - Sale | $2.36 | -18.7K | 742.5K | -2% | -$44.0K | |
| DM | 2026-02-05 | 2026-02-02+ | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | COO | S - Sale | $2.17 | -46.6K | 788.9K | -6% | -$101.2K |
| D | 2026-02-05 | 2026-02-02 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | COO | A - Grant | $0.00 | +68.0K | 807.7K | +9% | $0 |
| 2025-09-03 | 2025-08-28 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | COO | S - Sale | $1.97 | -1,695 | 739.7K | -0.2% | -$3,339 | |
| 2025-02-05 | 2025-02-03 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | COO | A - Grant | $0.00 | +266.1K | 798.0K | +50% | $0 | |
| M | 2025-02-05 | 2025-02-05 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | COO | S - Sale | $0.78 | -56.5K | 794.0K | -7% | -$44.1K |
| 2024-08-29 | 2024-08-27 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | COO | S - Sale | $1.35 | -2,213 | 531.8K | -0.4% | -$2,988 | |
| 2024-02-05 | 2024-02-01 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | COO | A - Grant | $0.00 | +239.7K | 565.0K | +74% | $0 | |
| 2024-02-05 | 2024-02-02 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | COO | S - Sale | $1.36 | -31.0K | 534.0K | -5% | -$42.1K | |
| 2023-08-30 | 2023-08-28 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | Chief Development Off | S - Sale | $1.26 | -1,854 | 325.3K | -0.6% | -$2,336 | |
| 2023-02-03 | 2023-02-01 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | COO | A - Grant | $0.00 | +266.0K | 330.5K | +412% | $0 | |
| 2023-02-03 | 2023-02-02 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | COO | S - Sale | $1.86 | -3,394 | 327.1K | -1% | -$6,313 | |
| D | 2022-02-03 | 2022-02-01 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | Chief Development Off | A - Grant | $0.00 | +38.0K | 64.6K | +143% | $0 |
| 2021-08-30 | 2021-08-26 | SPRO | Spero Therapeutics, Inc. | Keutzer Timothy | Chief Development Off | A - Grant | $0.00 | +24.1K | 26.6K | +963% | $0 |
Purchase Sale Sale after option exercise All abbreviations