Greenleaf Peter
Director
Award
Calculated transaction value
$0
160,000 shares @ $0
Traded
Nov 2, 2026
Filed
Nov 4, 2026
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Altimmune
ALT
ManufacturingChemicals
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
16 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Greenleaf Peter Director | Nov 4, 2026 2-day lag | Award Nov 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Howarth Alex G. Director | Nov 4, 2026 2-day lag | Award Nov 2, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Weaver Gregory L Chief Financial Officer | Oct 5, 2026 4-day lag | Exercise Oct 1, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Arbet-engels Christophe Chief Medical Officer | Oct 5, 2026 4-day lag | Exercise Oct 1, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Arbet-engels Christophe Chief Medical Officer | Oct 5, 2026 4-day lag | Exercise Oct 1, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Weaver Gregory L Chief Financial Officer | Oct 5, 2026 4-day lag | Disposition Oct 1, 2026 | $12.09K Filed shares x price | SEC Form 4 View filing | |
| Weaver Gregory L Chief Financial Officer | Oct 5, 2026 4-day lag | Exercise Oct 1, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Arbet-engels Christophe Chief Medical Officer | Oct 5, 2026 4-day lag | Disposition Oct 1, 2026 | $34.99K Filed shares x price | SEC Form 4 View filing | |
| Menziuso Richard Thomas Principal Accounting Officer | Oct 2, 2026 1-day lag | Award Oct 1, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Menziuso Richard Thomas Principal Accounting Officer | Oct 2, 2026 1-day lag | Award Oct 1, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Richardson Linda M Chief Commercial Officer | Sep 17, 2026 1-day lag | Disposition Sep 16, 2026 | $22.12K Filed shares x price | SEC Form 4 View filing | |
| Richardson Linda M Chief Commercial Officer | Sep 17, 2026 1-day lag | Exercise Sep 16, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Richardson Linda M Chief Commercial Officer | Sep 17, 2026 1-day lag | Exercise Sep 16, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Durso Jerome Benedict President And CEO | Aug 13, 2026 Same-day filing | Buy Aug 13, 2026 | $44.25K Filed shares x price | SEC Form 4 View filing | |
| Weaver Gregory L Chief Financial Officer | Aug 3, 2026 3-day lag | Award Jul 31, 2026 | $4.23K Filed shares x price | SEC Form 4 View filing | |
| Roberts M Scot Chief Scientific Officer | Aug 3, 2026 3-day lag | Award Jul 31, 2026 | $2.11K Filed shares x price | SEC Form 4 View filing |
Howarth Alex G.
Director
Award
Calculated transaction value
$0
160,000 shares @ $0
Traded
Nov 2, 2026
Filed
Nov 4, 2026
Weaver Gregory L
Chief Financial Officer
Exercise
Calculated transaction value
$0
14,475 shares @ $0
Traded
Oct 1, 2026
Filed
Oct 5, 2026
Arbet-engels Christophe
Chief Medical Officer
Exercise
Calculated transaction value
$0
37,500 shares @ $0
Traded
Oct 1, 2026
Filed
Oct 5, 2026
Arbet-engels Christophe
Chief Medical Officer
Exercise
Calculated transaction value
$0
37,500 shares @ $0
Traded
Oct 1, 2026
Filed
Oct 5, 2026
Weaver Gregory L
Chief Financial Officer
Disposition
Calculated transaction value
$12.09K
4,379 shares @ $2.76
Traded
Oct 1, 2026
Filed
Oct 5, 2026
Weaver Gregory L
Chief Financial Officer
Exercise
Calculated transaction value
$0
14,475 shares @ $0
Traded
Oct 1, 2026
Filed
Oct 5, 2026
Arbet-engels Christophe
Chief Medical Officer
Disposition
Calculated transaction value
$34.99K
12,679 shares @ $2.76
Traded
Oct 1, 2026
Filed
Oct 5, 2026
Menziuso Richard Thomas
Principal Accounting Officer
Award
Calculated transaction value
$0
36,234 shares @ $0
Traded
Oct 1, 2026
Filed
Oct 2, 2026
Menziuso Richard Thomas
Principal Accounting Officer
Award
Calculated transaction value
$0
84,546 shares @ $0
Traded
Oct 1, 2026
Filed
Oct 2, 2026
Richardson Linda M
Chief Commercial Officer
Disposition
Calculated transaction value
$22.12K
6,826 shares @ $3.24
Traded
Sep 16, 2026
Filed
Sep 17, 2026
Richardson Linda M
Chief Commercial Officer
Exercise
Calculated transaction value
$0
24,000 shares @ $0
Traded
Sep 16, 2026
Filed
Sep 17, 2026
Richardson Linda M
Chief Commercial Officer
Exercise
Calculated transaction value
$0
24,000 shares @ $0
Traded
Sep 16, 2026
Filed
Sep 17, 2026
Durso Jerome Benedict
President And CEO
Buy
Calculated transaction value
$44.25K
15,000 shares @ $2.95
Traded
Aug 13, 2026
Filed
Aug 13, 2026
Weaver Gregory L
Chief Financial Officer
Award
Calculated transaction value
$4.23K
1,753 shares @ $2.41
Traded
Jul 31, 2026
Filed
Aug 3, 2026
Roberts M Scot
Chief Scientific Officer
Award
Calculated transaction value
$2.11K
875 shares @ $2.41
Traded
Jul 31, 2026
Filed
Aug 3, 2026