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 | 2026-05-11 | 2026-05-05 |
| Quarterly report | 10-Q | 2026-05-08 | 2026-03-31 |
| Insider trade | 4 | 2026-05-07 | 2026-05-05 |
| Insider trade | 4 | 2026-05-07 | 2026-05-05 |
| Insider trade | 4 | 2026-05-07 | 2026-05-05 |
| Insider trade | 4 | 2026-05-07 | 2026-05-05 |
| Insider trade | 4 | 2026-05-07 | 2026-05-05 |
| Insider trade | 4 | 2026-05-07 | 2026-05-05 |
| Insider trade | 4 | 2026-05-07 | 2026-05-05 |
| Insider trade | 4 | 2026-05-07 | 2026-05-05 |
| Insider trade | 4 | 2026-05-07 | 2026-05-05 |
| Insider trade | 4 | 2026-05-07 | 2026-05-05 |
| Insider trade | 4 | 2026-05-07 | 2026-05-05 |
| Major company event | 8-K | 2026-04-23 | 2026-04-23 |
| Proxy statement | DEF 14A | 2026-03-17 | 2026-05-05 |
| Annual report to shareholders | ARS | 2026-03-17 | 2025-12-31 |
| Annual report | 10-K | 2026-02-27 | 2025-12-31 |
| Insider trade | 4 | 2026-02-23 | 2026-02-20 |
| Insider trade | 4 | 2026-02-23 | 2026-02-20 |
| Insider trade | 4 | 2026-02-23 | 2026-02-20 |
| Insider trade | 4 | 2026-02-23 | 2026-02-20 |
| Insider trade | 4 | 2026-02-23 | 2026-02-20 |
| SCHEDULE 13G/A | - | 2026-01-30 | - |
| Major company event | 8-K | 2026-01-27 | 2026-01-27 |
| SCHEDULE 13G/A | - | 2026-01-22 | - |
| SCHEDULE 13G/A | - | 2026-01-21 | - |
| Insider trade | 4 | 2025-12-29 | 2025-12-24 |
| Quarterly report | 10-Q | 2025-11-07 | 2025-09-30 |
| Major company event | 8-K | 2025-10-23 | 2025-10-23 |
| Major company event | 8-K | 2025-10-06 | 2025-09-30 |
| Major company event | 8-K | 2025-08-19 | 2025-08-19 |
| Insider trade | 4 | 2025-08-19 | 2025-08-19 |
| Quarterly report | 10-Q | 2025-08-08 | 2025-06-30 |
| SCHEDULE 13G/A | - | 2025-08-08 | - |
| Major company event | 8-K | 2025-07-16 | 2025-07-16 |
| Major company event | 8-K | 2025-05-12 | 2025-05-06 |
| SCHEDULE 13G | - | 2025-05-12 | - |
| Employee stock plan | S-8 | 2025-05-09 | - |
| Quarterly report | 10-Q | 2025-05-09 | 2025-03-31 |
| Insider trade | 4 | 2025-05-08 | 2025-05-06 |
| Insider trade | 4 | 2025-05-08 | 2025-05-06 |
| Insider trade | 4 | 2025-05-08 | 2025-05-06 |
| Insider trade | 4 | 2025-05-08 | 2025-05-06 |
| Insider trade | 4 | 2025-05-08 | 2025-05-06 |
| Insider trade | 4 | 2025-05-08 | 2025-05-06 |
| Insider trade | 4 | 2025-05-08 | 2025-05-06 |
| Insider trade | 4 | 2025-05-08 | 2025-05-06 |
| Insider trade | 4 | 2025-05-08 | 2025-05-06 |
| Insider trade | 4 | 2025-05-08 | 2025-05-06 |
| Insider trade | 4 | 2025-05-08 | 2025-05-06 |