Company filings profile · CIK 0000799167
MARTEN TRANSPORT LTD — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for MARTEN TRANSPORT LTD (MRTN): 15 filings in the last 90 days vs 13 in the prior 90 (filing-velocity steady · 1.15×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Jun 21, 2026. Source-linked, daily-refreshed.
Material 8-K events — MARTEN TRANSPORT LTD
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Jun 18, 2026 | Entry into a Material Agreement; Material Direct Financial Obligation; Financial Statements and Exhibits | ↗ |
| May 11, 2026 | Departure/Election of Directors or Officers; Item 5.07; Financial Statements and Exhibits | ↗ |
| Apr 23, 2026 | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jan 27, 2026 | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Oct 23, 2025 | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Oct 6, 2025 | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Aug 19, 2025 | Departure/Election of Directors or Officers; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jul 16, 2025 | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| May 12, 2025 | Departure/Election of Directors or Officers; Item 5.07; Financial Statements and Exhibits | ↗ |
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Insider transactions (Form 4 / 3 / 5)
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Jun 18, 2026 | 8-K | Entry into a Material Agreement; Material Direct Financial Obligation; Financial Statements and Exhibits | ↗ |
| May 11, 2026 | 8-K | Departure/Election of Directors or Officers; Item 5.07; Financial Statements and Exhibits | ↗ |
| May 8, 2026 | 10-Q | FORM 10-Q | ↗ |
| May 7, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| May 7, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| May 7, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| May 7, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| May 7, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| May 7, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| May 7, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| May 7, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| May 7, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| May 7, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| May 7, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| Apr 23, 2026 | 8-K | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Mar 17, 2026 | ARS | ARS | ↗ |
| Mar 17, 2026 | DEF 14A | FORM DEF 14A | ↗ |
| Feb 27, 2026 | 10-K | FORM 10-K | ↗ |
| Feb 23, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| Feb 23, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| Feb 23, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| Feb 23, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| Feb 23, 2026 | 4 | PRIMARY DOCUMENT | ↗ |
| Jan 30, 2026 | SCHEDULE 13G/A | ↗ | |
| Jan 27, 2026 | 8-K | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jan 22, 2026 | SCHEDULE 13G/A | ↗ | |
| Jan 21, 2026 | SCHEDULE 13G/A | ↗ | |
| Dec 29, 2025 | 4 | PRIMARY DOCUMENT | ↗ |
| Nov 7, 2025 | 10-Q | FORM 10-Q | ↗ |
| Oct 23, 2025 | 8-K | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Oct 6, 2025 | 8-K | Departure/Election of Directors or Officers; Financial Statements and Exhibits | ↗ |
| Aug 19, 2025 | 4 | PRIMARY DOCUMENT | ↗ |
| Aug 19, 2025 | 8-K | Departure/Election of Directors or Officers; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 8, 2025 | SCHEDULE 13G/A | ↗ | |
| Aug 8, 2025 | 10-Q | FORM 10-Q | ↗ |
| Jul 16, 2025 | 8-K | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| May 12, 2025 | SCHEDULE 13G | ↗ | |
| May 12, 2025 | 8-K | Departure/Election of Directors or Officers; Item 5.07; Financial Statements and Exhibits | ↗ |
| May 9, 2025 | S-8 | FORM S-8 | ↗ |
| May 9, 2025 | 10-Q | FORM 10-Q | ↗ |