MRTN - CIK 0000799167
MARTEN TRANSPORT LTD has filed 1,193 documents with the SEC between 1994 and 2026. The most frequent type is insider trade (706 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 |
|---|---|---|---|
| Major company event | 8-K | 2006-03-28 | 2006-03-28 |
| Insider trade | 4 | 2006-03-13 | 2006-03-10 |
| Major company event | 8-K | 2006-03-13 | 2006-03-13 |
| Annual report | 10-K | 2006-03-10 | 2005-12-31 |
| Major company event | 8-K | 2006-03-07 | 2006-03-01 |
| Insider trade | 4 | 2006-03-03 | 2006-03-01 |
| Insider trade | 4 | 2006-03-03 | 2006-03-01 |
| Insider trade | 4 | 2006-03-03 | 2006-03-01 |
| Insider trade | 4 | 2006-03-03 | 2006-03-01 |
| Insider trade | 4 | 2006-03-03 | 2006-03-01 |
| Passive ownership stake (update) | SC 13G/A | 2006-02-14 | - |
| Insider trade | 4 | 2006-02-07 | 2006-02-06 |
| Insider trade | 4 | 2006-02-03 | 2006-02-01 |
| Insider trade | 4 | 2006-02-02 | 2006-01-31 |
| Passive ownership stake | SC 13G | 2006-02-01 | - |
| Major company event | 8-K | 2006-01-31 | 2006-01-25 |
| Insider trade | 4 | 2006-01-27 | 2006-01-25 |
| Major company event | 8-K | 2006-01-26 | 2006-01-25 |
| Major company event | 8-K | 2006-01-13 | 2006-01-09 |
| New insider ownership | 3 | 2006-01-03 | 2006-01-01 |
| SEC correspondence | UPLOAD | 2005-12-20 | - |
| Company correspondence | CORRESP | 2005-12-13 | - |
| Major company event | 8-K | 2005-12-05 | 2005-11-30 |
| SEC correspondence | UPLOAD | 2005-11-29 | - |
| Insider trade | 4 | 2005-11-28 | 2005-11-23 |
| Company correspondence | CORRESP | 2005-11-17 | - |
| Company correspondence | CORRESP | 2005-11-17 | - |
| Quarterly report | 10-Q | 2005-11-09 | 2005-09-30 |
| SEC correspondence | UPLOAD | 2005-10-27 | - |
| Major company event | 8-K | 2005-10-21 | 2005-10-20 |
| Insider trade | 4 | 2005-09-08 | 2005-09-07 |
| Employee stock plan | S-8 | 2005-09-08 | - |
| Insider trade | 4 | 2005-09-07 | 2005-09-02 |
| Quarterly report | 10-Q | 2005-08-08 | 2005-06-30 |
| Insider trade | 4 | 2005-08-05 | 2005-08-04 |
| Insider trade | 4 | 2005-08-01 | 2005-07-28 |
| Insider trade | 4 | 2005-07-27 | 2005-07-26 |
| Insider trade | 4 | 2005-07-27 | 2005-07-26 |
| Major company event | 8-K | 2005-07-21 | 2005-07-20 |
| Major company event | 8-K | 2005-05-09 | 2005-05-03 |
| Quarterly report | 10-Q | 2005-05-02 | 2005-03-31 |
| Proxy materials | DEFA14A | 2005-04-25 | - |
| Major company event | 8-K | 2005-04-25 | 2005-04-22 |
| Major company event | 8-K | 2005-04-21 | 2005-04-20 |
| Proxy statement | DEF 14A | 2005-03-30 | 2005-05-03 |
| PRE 14A | - | 2005-03-14 | 2005-05-03 |
| Annual report | 10-K | 2005-03-14 | 2004-12-31 |
| Activist ownership stake (update) | SC 13D/A | 2005-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2005-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2005-02-14 | - |