Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:6e9cbff0-bab0-eebd-acca-da5fc4430bac 2026-10-23T09:37:49-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services ALT: ARBET ENGELS CHRISTOPHE (O) Acquired (JB) 37,500 Shares of ALTIMMUNE INC for $0.00 on 10/1 urn:uuid:501890d9-adf3-3a70-b0bb-4c51dc17899e 2026-10-05T16:10:15-04:00 ALT: ARBET ENGELS CHRISTOPHE (O) Disposed (JS) 12,679 Shares of ALTIMMUNE INC for $2.76 on 10/1 urn:uuid:690a3577-4537-eb34-8bb2-835ea8c0fba4 2026-10-05T16:10:15-04:00 ALT: WEAVER GREGORY L (CFO) Disposed (JS) 4,379 Shares of ALTIMMUNE INC for $2.76 on 10/1 urn:uuid:9ec4416a-36d8-14ff-bed0-29c4deed6a40 2026-10-05T16:05:26-04:00 ALT: WEAVER GREGORY L (CFO) Acquired (JB) 14,475 Shares of ALTIMMUNE INC for $0.00 on 10/1 urn:uuid:a41fdd60-67c1-8024-192a-dab06e8706c3 2026-10-05T16:05:26-04:00 ALT: MENZIUSO RICHARD THOMAS (AO) Filed a Form 3, Becoming a Registered Insider at ALTIMMUNE INC With Initial Holdings of 0 urn:uuid:1ab36a7c-320e-9c55-1cfb-9d851b225888 2026-10-02T16:15:56-04:00 ALT: RICHARDSON LINDA M (O) Disposed (JS) 6,826 Shares of ALTIMMUNE INC for $3.24 on 9/16 urn:uuid:fa209689-4a6d-c3e4-7cde-a5043920d6c8 2026-09-17T16:05:29-04:00 ALT: RICHARDSON LINDA M (O) Acquired (JB) 24k Shares of ALTIMMUNE INC for $0.00 on 9/16 urn:uuid:5b540161-a78a-b3d7-dcfa-15fb81199925 2026-09-17T16:05:29-04:00 ALT: DURSO JEROME BENEDICT (PR,CEO,DIR) Bought (B) 15k Shares of ALTIMMUNE INC for $2.95 on 8/13 urn:uuid:e80d371d-5a87-1054-e187-3391d39a971d 2026-08-13T16:05:06-04:00 ALT: WEAVER GREGORY L (CFO) Acquired (JB) 1,753 Shares of ALTIMMUNE INC for $2.41 on 7/31 urn:uuid:2c46f618-e992-77ee-71ce-a9aa64552b6b 2026-08-03T16:05:20-04:00 ALT: ROBERTS M SCOT (O) Acquired (JB) 875 Shares of ALTIMMUNE INC for $2.41 on 7/31 urn:uuid:7adba400-5dbe-2e52-53c0-ffaab8885ee4 2026-08-03T16:05:19-04:00