Form 4 for ALT Altimmune, Inc.
Accepted 2026-03-09 00:00:00 ET · period of report 2026-03-06 · accession 0001251779-26-000005 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-09 | 2026-03-06 | ALT | WEAVER GREGORY L | CFO | P - Purchase | $3.54 | +5,000 | 28.1K | +22% | +$17.7K |
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 | 2026-03-06 | P | A | 5,000 | $3.54 | 28,078 | D | — | — |