Janus Henderson Group plc 13D and 13G filings for Altimmune, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2024-02-12 11:55 am Sale | 2023-12-31 | 13G | Altimmune, Inc. ALT | JANUS HENDERSON GROUP PLC JHG | 273 0.000% | -3,833,306 (-99.99%) | Filing |
| 2023-02-13 10:36 am Purchase | 2022-12-31 | 13G | Altimmune, Inc. ALT | JANUS HENDERSON GROUP PLC JHG | 3,833,579 7.800% | 3,833,579 (New Position) | Filing |