Companies / Spero Therapeutics, Inc. / Activity
Activity — Spero Therapeutics, Inc.
17 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Feb 6, 2026 | Rajavelu Esther Executive | Sell | Common Stock | $119.9K | -51K -4.78% | 1,012,091 1.74% of shares | medium |
| Feb 6, 2026 | Rajavelu Esther Executive | Sell | Common Stock | $87.6K | -37K -3.37% | 1,062,907 1.83% of shares | low |
| Feb 3, 2026 | Keutzer Timothy Executive | Sell | Common Stock | $51.8K | -24K -3.07% | 764,629 1.31% of shares | low |
| Feb 6, 2026 | Keutzer Timothy Executive | Sell | Common Stock | $44.0K | -19K -2.45% | 742,506 1.28% of shares | low |
| Feb 2, 2026 | Keutzer Timothy Executive | Sell | Common Stock | $41.6K | -19K -2.34% | 788,853 1.35% of shares | low |
| Feb 2, 2026 | Rajavelu Esther Executive | Sell | Common Stock | $40.6K | -18K -1.65% | 1,100,008 1.89% of shares | low |
| Feb 4, 2026 | Keutzer Timothy Executive | Sell | Common Stock | $7.8K | -3K -0.45% | 761,158 1.31% of shares | low |
| Jun 23, 2026 | Deshpande Milind Director | Grant | Common Stock | $0 | +10K +10.93% | 101,454 0.17% of shares | low |
| Jun 23, 2026 | Pottage John C Jr Director | Grant | Common Stock | $0 | +10K +13.33% | 85,000 0.15% of shares | low |
| Jun 23, 2026 | Thomas Frank E Director | Grant | Common Stock | $0 | +10K +13.33% | 85,000 0.15% of shares | low |
| Feb 2, 2026 | Keutzer Timothy Executive | Grant | Common Stock | $0 | +68K +9.19% | 807,744 1.39% of shares | low |
| Feb 2, 2026 | Rajavelu Esther Executive | Grant | Common Stock | $0 | +249K +28.64% | 1,118,450 1.92% of shares | low |
| Jun 23, 2026 | Deshpande Milind Director | Grant | Stock Option (right to buy) | — | +20K | 20,000 0.03% of shares | low |
| Jun 23, 2026 | Pottage John C Jr Director | Grant | Stock Option (right to buy) | — | +20K | 20,000 0.03% of shares | low |
| Jun 23, 2026 | Thomas Frank E Director | Grant | Stock Option (right to buy) | — | +20K | 20,000 0.03% of shares | low |
| Feb 2, 2026 | Keutzer Timothy Executive | Grant | Stock Option (Right to Buy) | — | +137K | 137,000 0.24% of shares | low |
| Feb 2, 2026 | Rajavelu Esther Executive | Grant | Stock Option (Right to Buy) | — | +498K | 498,000 0.86% of shares | low |