Companies / Spero Therapeutics, Inc. / Activity
Activity — Spero Therapeutics, Inc.
2 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | SG Americas Securities, LLC 13F manager | New | Common Stock | $25 | +11K | 11,268 0.02% of shares | low |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | New | Common Stock | $367.5K | +157K | 157,072 0.27% of shares | low |