| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hoover Brett | EVP & CHIEF HR OFFICER | C/O MERCANTILE BANK CORPORATION, 310 LEONARD ST. NW, GRAND RAPIDS | /s/ Bradley J. Wyatt, Attorney-in-Fact | 09 Feb 2026 | 0001956776 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MBWM | Common Stock | Tax liability | $46,978 | -950 | -5.7% | $49.45 | 15,688 | 19 Dec 2025 | Direct | F1 |
| transaction | MBWM | Common Stock | Award | $0 | +1,888 | +12% | $0.000000 | 17,576 | 05 Feb 2026 | Direct | F2 |
| transaction | MBWM | Common Stock | Award | $0 | +944 | +5.4% | $0.000000 | 18,520 | 05 Feb 2026 | Direct | |
| holding | MBWM | Common Stock | 1,042 | 19 Dec 2025 | In 401(k) plan | F3 |
| Id | Content |
|---|---|
| F1 | Includes shares acquired since last report of common stock ownership by reinvesting cash dividends under the Issuer's dividend reinvestment plan. |
| F2 | This award of shares is being made pursuant to the Issuer's performance-based restricted stock award agreement, such that a portion or all of this award of restricted stock may be forfeited in the future if certain performance metrics are not met. |
| F3 | Includes shares acquired pursuant to the Issuer's 401(k) Plan since last report of common stock ownership. |