Altimmune, Inc (ALT) insider trading
Every open-market stock purchase and sale by Altimmune, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Jerome Benedict Durso (CEO) bought $44.3K in the last 90 days, growing their stake 32%.
Last 12 months: insiders bought $370K (11 buys) and sold $0 (0 sales). Last close $3.25 on Sep 18, 2026.
Recent ALT insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 16, 2026 | Linda M Richardson (C-suite exec) | Sold (not open market) | $22.1K |
| Sep 16, 2026 | Linda M Richardson (C-suite exec) | Bought (not open market) | — |
| Aug 13, 2026 | Jerome Benedict Durso (CEO) | Bought | $44.3K |
| Jul 31, 2026 | Gregory L Weaver (CFO) | Bought (not open market) | $4.2K |
| Jul 31, 2026 | M Scot Roberts (C-suite exec) | Bought (not open market) | $2.1K |
| May 1, 2026 | Klaus Schafer (Insider) | Bought (not open market) | — |
| May 1, 2026 | Teri L Lawver (Insider) | Bought (not open market) | — |
| May 1, 2026 | Wayne Pisano (Insider) | Bought (not open market) | — |
| May 1, 2026 | Diane Jorkasky (Insider) | Bought (not open market) | — |
| May 1, 2026 | Catherine A. Sohn (Insider) | Bought (not open market) | — |
| May 1, 2026 | Philip Hodges (Insider) | Bought (not open market) | — |
| May 1, 2026 | Mitchel Sayare (Insider) | Bought (not open market) | — |
| May 1, 2026 | John Gill (Insider) | Bought (not open market) | — |
| Apr 6, 2026 | John Gill (Insider) | Bought | $31.3K |
| Apr 1, 2026 | Jerome Benedict Durso (CEO) | Bought | $47.1K |
| Apr 1, 2026 | Gregory L Weaver (CFO) | Bought | $31.5K |
| Mar 6, 2026 | Jerome Benedict Durso (CEO) | Bought | $70.8K |
| Mar 6, 2026 | Gregory L Weaver (CFO) | Bought | $17.7K |
| Feb 26, 2026 | Gregory L Weaver (CFO) | Bought (not open market) | — |
| Feb 26, 2026 | Gregory L Weaver (CFO) | Bought (not open market) | — |
| Feb 26, 2026 | M Scot Roberts (C-suite exec) | Bought (not open market) | — |
| Feb 26, 2026 | M Scot Roberts (C-suite exec) | Bought (not open market) | — |
| Feb 2, 2026 | M Scot Roberts (C-suite exec) | Sold (not open market) | $12.9K |
| Feb 2, 2026 | M Scot Roberts (C-suite exec) | Bought (not open market) | — |
| Jan 31, 2026 | Vipin K Garg (Insider) | Bought (not open market) | $21.3K |
Who's trading ALT
- Linda M Richardson, C-suite exec: other filings, last Sep 16, 2026
- Jerome Benedict Durso, CEO: bought $214K (4 buys), last Aug 13, 2026
- Gregory L Weaver, CFO: bought $49.2K (2 buys), last Jul 31, 2026
- M Scot Roberts, C-suite exec: other filings, last Jul 31, 2026
- Diane Jorkasky, Director: bought $2K (1 buy), last May 1, 2026
- John Gill, Insider: bought $82.6K (2 buys), last May 1, 2026
- Philip Hodges, Director: other filings, last May 1, 2026
- Teri L Lawver, Director: other filings, last May 1, 2026
- Wayne Pisano, Director: bought $20.4K (1 buy), last May 1, 2026
- Mitchel Sayare, Director: other filings, last May 1, 2026
- Klaus Schafer, Director: other filings, last May 1, 2026
- Catherine A. Sohn, Director: bought $2.1K (1 buy), last May 1, 2026
- Raymond M Jordt, C-suite exec: other filings, last Jan 31, 2026
- Vipin K Garg, CEO: other filings, last Jan 31, 2026
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