10 insiders reported 43 Form 4 transactions for Altimmune, Inc. (ALT) over the past 18 months (most recent 2026-08-13). Recent activity: Durso Jerome Benedict (President and CEO) Buy 15,000 shares, WEAVER GREGORY L (Chief Financial Officer) Buy 1,753 shares, Roberts M Scot (Chief Scientific Officer) Buy 875 shares, GILL JOHN (Director) Buy 9,200 shares, WEAVER GREGORY L (Chief Financial Officer) Buy 5,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-13 | Durso Jerome Benedict | President and CEO | Buy | 15,000 | $44,250 |
| 2026-08-03 | WEAVER GREGORY L | Chief Financial Officer | Buy | 1,753 | $4,232 |
| 2026-08-03 | Roberts M Scot | Chief Scientific Officer | Buy | 875 | $2,112 |
| 2026-04-06 | GILL JOHN | Director | Buy | 9,200 | $31,350 |
| 2026-03-09 | WEAVER GREGORY L | Chief Financial Officer | Buy | 5,000 | $17,700 |
| 2026-03-09 | Durso Jerome Benedict | President and CEO | Buy | 20,000 | $70,800 |
| 2026-02-03 | Roberts M Scot | Chief Scientific Officer | Buy | 9,275 | $0 |
| 2026-02-03 | Roberts M Scot | Chief Scientific Officer | Sell | 2,859 | $16,010 |
| 2026-02-03 | Roberts M Scot | Chief Scientific Officer | Buy | 5,567 | $17,091 |
| 2026-02-03 | Roberts M Scot | Chief Scientific Officer | Buy | 7,775 | $0 |
| 2026-02-03 | Roberts M Scot | Chief Scientific Officer | Sell | 2,329 | $12,926 |
| 2026-02-02 | Garg Vipin K | Director | Buy | 26,775 | $0 |
| 2026-02-02 | Jordt Raymond M | Chief Business Officer | Buy | 4,571 | $14,033 |
| 2026-02-02 | Garg Vipin K | Director | Sell | 11,632 | $65,139 |
| 2026-02-02 | Garg Vipin K | Director | Buy | 6,926 | $21,263 |
| 2026-01-29 | Jordt Raymond M | Chief Business Officer | Buy | 15,850 | $0 |
| 2026-01-29 | Jordt Raymond M | Chief Business Officer | Sell | 4,229 | $26,135 |
| 2026-01-29 | Garg Vipin K | Director | Buy | 41,200 | $0 |
| 2026-01-29 | Garg Vipin K | Director | Sell | 17,898 | $110,610 |
| 2026-01-29 | Roberts M Scot | Chief Scientific Officer | Buy | 15,850 | $0 |
| 2026-01-29 | Roberts M Scot | Chief Scientific Officer | Sell | 4,748 | $29,343 |
| 2026-01-27 | Jordt Raymond M | Chief Business Officer | Buy | 14,600 | $0 |
| 2026-01-27 | Jordt Raymond M | Chief Business Officer | Sell | 3,855 | $21,202 |
| 2026-01-27 | Roberts M Scot | Chief Scientific Officer | Buy | 14,600 | $0 |
| 2026-01-27 | Roberts M Scot | Chief Scientific Officer | Sell | 4,373 | $24,052 |
Source: SEC Form 4 filings · as of 2026-08-13