Form 4 for ALT Altimmune, Inc.
Accepted 2026-04-01 16:05:14 ET · period of report 2026-04-01 · accession 0001698665-26-000005 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-04-01 16:05 | 2026-04-01 | ALT | Durso Jerome Benedict | Pres, CEO, Dir | P - Purchase | $3.14 | +15.0K | 47.5K | +46% | +$47.1K |
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 | 2026-04-01 | P | A | 15,000 | $3.14 | 47,500 | D | — | — |