Form 4 for ALT Altimmune, Inc.
Accepted 2025-12-23 00:00:00 ET · period of report 2025-12-23 · accession 0001409939-25-000005 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-23 | 2025-12-23 | ALT | GILL JOHN | Dir | P - Purchase | $4.10 | +12.5K | 12.5K | New | +$51.2K |
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, par value $0.0001 | 2025-12-23 | P | A | 12,500 | $4.10 | 12,500 | D | — | — |