| SC 13G/A | 2023-01-10 | STATE STREET CORP | Altimmune, Inc. | - | 12.0% | EDGAR |
| SC 13G | 2022-07-08 | BlackRock Inc. | Altimmune, Inc. | 962,184 | 2.2% | EDGAR |
| SC 13G | 2022-07-07 | Cormorant Asset Management, LP | Altimmune, Inc. | 2,650,000 | - | EDGAR |
| SC 13G/A | 2022-04-11 | STATE STREET CORP | Altimmune, Inc. | - | 1.6% | EDGAR |
| SC 13G | 2022-03-24 | TANG CAPITAL PARTNERS LP | Altimmune, Inc. | 2,200,000 | 5.1% | EDGAR |
| SC 13G/A | 2022-02-14 | BAKER BROS. ADVISORS LP | Altimmune, Inc. | 1,941,604 | 4.8% | EDGAR |
| SC 13G/A | 2022-02-14 | Venrock Healthcare Capital Partners II, L.P. | Altimmune, Inc. | 1,760,870 | 4.2% | EDGAR |
| SC 13G/A | 2022-02-14 | SPHERA FUNDS MANAGEMENT LTD. | Altimmune, Inc. | 1,244,241 | 3.1% | EDGAR |
| SC 13G/A | 2022-02-11 | STATE STREET CORP | Altimmune, Inc. | - | 11.1% | EDGAR |
| SC 13G | 2022-02-11 | TIAA CREF INVESTMENT MANAGEMENT LLC | Altimmune, Inc. | 2,209,804 | 5.8% | EDGAR |
| SC 13G | 2022-02-11 | TEACHERS ADVISORS, LLC | Altimmune, Inc. | 2,209,804 | 5.8% | EDGAR |
| SC 13G | 2022-02-04 | BlackRock Inc. | Altimmune, Inc. | 2,956,267 | 7.4% | EDGAR |
| SC 13G | 2022-01-03 | Avidity Partners Management LP | Altimmune, Inc. | 2,765,000 | 7.0% | EDGAR |
| SC 13G | 2021-09-10 | STATE STREET CORP | Altimmune, Inc. | - | 10.0% | EDGAR |
| SC 13G | 2021-08-31 | SPHERA FUNDS MANAGEMENT LTD. | Altimmune, Inc. | 3,775,618 | 8.8% | EDGAR |
| SC 13G | 2021-03-01 | Venrock Healthcare Capital Partners II, L.P. | Altimmune, Inc. | 3,622,964 | 10.0% | EDGAR |
| SC 13G/A | 2021-02-16 | VELOCITY PHARMACEUTICAL HOLDINGS LLC | Altimmune, Inc. | 1,938,335 | 5.9% | EDGAR |
| SC 13G/A | 2021-02-16 | D. E. SHAW & CO, L.P. | Altimmune, Inc. | 1,193,694 | 3.6% | EDGAR |
| SC 13G | 2021-02-16 | BAKER BROS. ADVISORS LP | Altimmune, Inc. | 1,884,451 | 5.1% | EDGAR |
| SC 13G/A | 2021-02-08 | Hudson Bay Capital Management LP | Altimmune, Inc. | 121,100 | 0.4% | EDGAR |