Form 4 for SPRO Spero Therapeutics, Inc.
Accepted 2025-11-12 00:00:00 ET · period of report 2025-11-07 · accession 0001193125-25-278370 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-12 | 2025-11-07 | SPRO | Rajavelu Esther | See Remarks | S - Sale | $2.37 | -40.3K | 869.5K | -4% | -$95.4K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-11-07 | S | D | 40,270 | $2.37 | 869,450 | D | — | — | (F1) The reported transaction is a sale of common stock effected to cover tax withholding obligations pursuant to a "sell to cover" provision included in each RSU Agreement in connection with the vesting of restricted stock units ("RSUs") that were granted to the Reporting Person on November 13, 2023. |