Robert B. Kaminski
PRESIDENT, CEO at Mercantile Bank Corporation
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Mercantile Bank Corporation, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Mercantile Bank Corporation May 23, 202497.9%
-
Mercantile Bank Corporation May 25, 202397.9%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 2, 2025 | Mercantile Bank Corporation | Open-market sale | −250 | $42.85 | $10,713 |
| Apr 2, 2025 | Mercantile Bank Corporation | Open-market sale | −250 | $43.14 | $10,785 |
| Mar 3, 2025 | Mercantile Bank Corporation | Open-market sale | −250 | $48.11 | $12,028 |
| Feb 19, 2025 | Mercantile Bank Corporation | Shares withheld for tax | −7,993 | $47.87 | $382,625 |
| Feb 11, 2025 | Mercantile Bank Corporation | Open-market sale | −1,000 | $50.22 | $50,220 |
| Feb 6, 2025 | Mercantile Bank Corporation | Open-market sale | −1,000 | $49.82 | $49,820 |
| Feb 3, 2025 | Mercantile Bank Corporation | Open-market sale | −229 | $46.95 | $10,752 |
| Feb 3, 2025 | Mercantile Bank Corporation | Open-market sale | −21 | $48.14 | $1,011 |
| Jan 27, 2025 | Mercantile Bank Corporation | Open-market sale | −3,000 | $50.16 | $150,480 |
| Jan 24, 2025 | Mercantile Bank Corporation | Open-market sale | −3,000 | $49.14 | $147,420 |
| Jan 2, 2025 | Mercantile Bank Corporation | Open-market sale | −250 | $44.61 | $11,153 |
| Dec 2, 2024 | Mercantile Bank Corporation | Open-market sale | −250 | $49.60 | $12,400 |
| Nov 25, 2024 | Mercantile Bank Corporation | Open-market sale | −5,800 | $51.75 | $300,150 |
| Nov 14, 2024 | Mercantile Bank Corporation | Open-market sale | −4,000 | $49.51 | $198,040 |
| Nov 6, 2024 | Mercantile Bank Corporation | Gift | −5,800 | — | — |
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