Ameriprise Financial, Inc. 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 |
| 2025-05-15 11:05 am Sale | 2025-03-31 | 13G | Altimmune, Inc. ALT | AMERIPRISE FINANCIAL INC AMP | 1,443,932 1.900% | -3,810,966 (-72.52%) | Filing |
| 2025-02-14 2:31 pm Purchase | 2024-12-31 | 13G | Altimmune, Inc. ALT | AMERIPRISE FINANCIAL INC AMP | 5,254,898 7.400% | 1,378,854 (+35.57%) | Filing |
| 2024-11-14 11:58 am Sale | 2024-09-30 | 13G | Altimmune, Inc. ALT | AMERIPRISE FINANCIAL INC AMP | 3,876,044 5.450% | -307,638 (-7.35%) | Filing |
| 2024-02-14 11:24 am Purchase | 2023-12-31 | 13G | Altimmune, Inc. ALT | AMERIPRISE FINANCIAL INC AMP | 4,183,682 7.790% | 4,183,682 (New Position) | Filing |