ALT - CIK 0001326190
Altimmune, Inc. has filed 997 documents with the SEC between 2010 and 2026. The most frequent type is insider trade (432 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.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Passive ownership stake (update) | SC 13G/A | 2019-02-01 | - |
| Insider trade | 4 | 2019-01-04 | 2019-01-02 |
| Insider trade | 4 | 2019-01-04 | 2019-01-02 |
| Insider trade | 4 | 2019-01-04 | 2019-01-02 |
| Insider trade | 4 | 2019-01-04 | 2019-01-02 |
| Insider trade | 4 | 2019-01-04 | 2019-01-02 |
| Insider trade | 4 | 2019-01-04 | 2019-01-02 |
| Insider trade | 4 | 2019-01-04 | 2019-01-02 |
| Insider trade | 4 | 2019-01-04 | 2019-01-02 |
| Insider trade | 4 | 2019-01-04 | 2019-01-02 |
| Insider trade | 4 | 2018-12-04 | 2018-11-30 |
| New insider ownership | 3 | 2018-12-04 | 2018-11-30 |
| Major company event | 8-K | 2018-12-03 | 2018-11-28 |
| Employee stock plan | S-8 | 2018-11-30 | - |
| Major company event | 8-K | 2018-11-30 | 2018-11-30 |
| Major company event | 8-K | 2018-11-27 | 2018-11-27 |
| Quarterly report | 10-Q | 2018-11-13 | 2018-09-30 |
| Major company event | 8-K | 2018-11-13 | 2018-11-13 |
| Major company event | 8-K | 2018-10-22 | 2018-10-16 |
| Passive ownership stake | SC 13G | 2018-10-17 | - |
| Insider trade | 4 | 2018-10-11 | 2018-10-09 |
| Prospectus supplement | 424B5 | 2018-10-09 | - |
| Prospectus supplement | 424B5 | 2018-10-09 | - |
| Major company event | 8-K | 2018-10-09 | 2018-10-08 |
| Passive ownership stake | SC 13G | 2018-10-05 | - |
| CT ORDER | - | 2018-10-04 | - |
| Passive ownership stake (update) | SC 13G/A | 2018-10-04 | - |
| Insider trade | 4 | 2018-10-04 | 2018-10-02 |
| Major company event | 8-K | 2018-10-01 | 2018-09-28 |
| 424B4 | - | 2018-10-01 | - |
| POS EX | - | 2018-09-28 | - |
| EFFECT | - | 2018-09-27 | - |
| Company correspondence | CORRESP | 2018-09-27 | - |
| Company correspondence | CORRESP | 2018-09-27 | - |
| S-1/A | - | 2018-09-26 | - |
| Major company event | 8-K | 2018-09-25 | 2018-09-24 |
| Prospectus supplement | 424B5 | 2018-09-24 | - |
| Major company event | 8-K | 2018-09-24 | 2018-09-24 |
| Insider trade | 4 | 2018-09-14 | 2018-09-12 |
| Major company event | 8-K | 2018-09-13 | 2018-09-13 |
| Major company event | 8-K | 2018-09-12 | 2018-09-12 |
| New insider ownership | 3 | 2018-09-10 | 2018-08-30 |
| Major company event | 8-K | 2018-09-04 | 2018-09-04 |
| Major company event | 8-K | 2018-08-31 | 2018-08-30 |
| S-1/A | - | 2018-08-17 | - |
| Quarterly report | 10-Q | 2018-08-14 | 2018-06-30 |
| Major company event | 8-K | 2018-08-14 | 2018-08-14 |
| SEC correspondence | UPLOAD | 2018-08-08 | - |
| IPO registration | S-1 | 2018-07-30 | - |
| Proxy statement | DEF 14A | 2018-07-26 | 2018-08-30 |