| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| DEMOREST ROBERT L | Director | C/O MARTEN TRANSPORT, LTD., 129 MARTEN STREET, MONDOVI | /s/ James J. Hinnendael, attorney-in-fact | 29 Dec 2025 | 0001239192 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MRTN | Common Stock | Gift | $0 | -6,580 | -11% | $0.000000 | 54,794 | 24 Dec 2025 | Direct |