| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Schweihofer Steven | Director | C/O MERCANTILE BANK CORPORATION, 310 LEONARD ST. NW, GRAND RAPIDS | /s/ Adin J. Tarr, attorney-in-fact | 07 Jan 2026 | 0002103619 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MBWM | Common Stock | Award | $0 | +321 | +6.1% | $0.000000 | 5,603 | 06 Jan 2026 | Direct |