EXTR - CIK 0001078271
EXTREME NETWORKS INC has filed 1,653 documents with the SEC between 1999 and 2026. The most frequent type is insider trade (730 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 |
|---|---|---|---|
| Proxy materials | DEFA14A | 2010-07-22 | - |
| Major company event | 8-K | 2010-07-22 | 2010-07-22 |
| Activist ownership stake (update) | SC 13D/A | 2010-07-22 | - |
| Major company event | 8-K | 2010-07-20 | 2010-07-16 |
| Major company event | 8-K | 2010-07-12 | 2010-07-12 |
| 8-A12G/A | - | 2010-07-01 | - |
| Major company event | 8-K | 2010-07-01 | 2010-06-30 |
| Activist ownership stake | SC 13D | 2010-06-23 | - |
| New insider ownership | 3 | 2010-05-18 | 2010-05-10 |
| Major company event | 8-K | 2010-05-10 | 2010-05-06 |
| SEC correspondence | UPLOAD | 2010-05-07 | - |
| Quarterly report | 10-Q | 2010-04-30 | 2010-03-28 |
| Major company event | 8-K | 2010-04-26 | 2010-04-26 |
| Activist ownership stake (update) | SC 13D/A | 2010-04-26 | - |
| Insider trade | 4 | 2010-04-02 | 2010-04-01 |
| Major company event | 8-K | 2010-03-19 | 2010-03-18 |
| Activist ownership stake | SC 13D | 2010-03-15 | - |
| SC TO-I/A | - | 2010-03-12 | - |
| SC TO-I/A | - | 2010-03-09 | - |
| Employee stock plan | S-8 | 2010-03-05 | - |
| Insider trade | 4 | 2010-02-25 | 2010-02-24 |
| Insider trade | 4 | 2010-02-24 | 2010-02-23 |
| Insider trade | 4 | 2010-02-24 | 2010-02-11 |
| SC TO-I/A | - | 2010-02-23 | - |
| New insider ownership | 3 | 2010-02-22 | 2009-11-11 |
| Major company event | 8-K | 2010-02-16 | 2010-02-11 |
| Passive ownership stake (update) | SC 13G/A | 2010-02-16 | - |
| Insider trade | 4 | 2010-02-12 | 2010-02-11 |
| Insider trade | 4 | 2010-02-12 | 2010-02-11 |
| Insider trade | 4 | 2010-02-12 | 2010-02-11 |
| Insider trade | 4 | 2010-02-12 | 2010-01-29 |
| New insider ownership | 3 | 2010-02-12 | 2009-11-11 |
| Insider trade | 4 | 2010-02-12 | 2010-02-11 |
| Passive ownership stake (update) | SC 13G/A | 2010-02-12 | - |
| SC TO-I/A | - | 2010-02-10 | - |
| Passive ownership stake (update) | SC 13G/A | 2010-02-10 | - |
| Insider trade | 4 | 2010-02-09 | 2010-02-08 |
| Insider trade | 4 | 2010-02-08 | 2010-02-03 |
| New insider ownership | 3 | 2010-02-05 | 2009-11-11 |
| New insider ownership | 3 | 2010-02-04 | 2010-01-26 |
| SC TO-I | - | 2010-02-04 | - |
| SEC correspondence | UPLOAD | 2010-02-04 | - |
| Quarterly report | 10-Q | 2010-02-03 | 2009-12-27 |
| Company correspondence | CORRESP | 2010-02-02 | - |
| SC TO-C | - | 2010-02-02 | - |
| Major company event | 8-K | 2010-02-01 | 2010-02-01 |
| Major company event | 8-K | 2010-01-29 | 2010-01-29 |
| Passive ownership stake | SC 13G | 2010-01-29 | - |
| Company correspondence | CORRESP | 2010-01-22 | - |
| Passive ownership stake (update) | SC 13G/A | 2010-01-22 | - |