ALT - Company ID 0001326190
Altimmune, Inc. has filed 981 public company documents between 2010 and 2026. The most frequent type is insider trade (419 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| 424B5 | Prospectus supplement | 2mo ago2026-04-24 | - | View filing |
| 424B5 | Prospectus supplement | 2mo ago2026-04-22 | - | View filing |
| 424B5 | Prospectus supplement | 5mo ago2026-01-28 | - | View filing |
| 424B5 | Prospectus supplement | 8mo ago2025-11-06 | - | View filing |
| 424B5 | Prospectus supplement | 5y ago2021-02-25 | - | View filing |
| 424B5 | Prospectus supplement | 5y ago2020-07-15 | - | View filing |
| 424B5 | Prospectus supplement | 6y ago2020-07-13 | - | View filing |
| 424B5 | Prospectus supplement | 6y ago2020-06-01 | - | View filing |
| 424B5 | Prospectus supplement | 6y ago2020-03-27 | - | View filing |
| 424B5 | Prospectus supplement | 7y ago2018-10-09 | - | View filing |
| 424B5 | Prospectus supplement | 7y ago2018-10-09 | - | View filing |
| 424B5 | Prospectus supplement | 7y ago2018-09-24 | - | View filing |
| 424B5 | Prospectus supplement | 8y ago2017-08-18 | - | View filing |
| 424B5 | Prospectus supplement | 12y ago2014-05-23 | - | View filing |
| 424B5 | Prospectus supplement | 13y ago2013-03-25 | - | View filing |