ALT Exercise Disclosure
Richardson Linda M · SEC Form 4 · Filed Sep 17, 2026
Exercise
Calculated transaction value
$0
Richardson Linda M Chief Commercial Officer
ALT
Altimmune
ALT
Transaction date
Sep 16, 2026
Public filing date
Sep 17, 2026
Filing lag
Filed 1 day later
ALT daily price context
Close on/before transaction
$3.24
Sep 16, 2026
Close before public filing
$3.24
Sep 16, 2026
Return since public filing
+0.31%
Through Sep 18, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Stock, par value $0.0001
- Quantity / price
- 24,000 shares @ $0
- SEC ownership
- Direct
- Transaction code
- M
- Form
- 4
- Filing identifier
- 0001595064-26-000002
Filing cohort
Transactions in this filing
Showing 3 of 3
Trades
3
Issuers
1
Estimated value
$22.12K
Buys / sales
0 / 0
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Altimmune, Inc. ALT Current | Exercise | Sep 16, 2026 | $0 |
| Altimmune, Inc. ALT | Disposition | Sep 16, 2026 | $22.12K |
| Altimmune, Inc. ALT | Exercise | Sep 16, 2026 | $0 |