Mercantile Bank Corporation (MBWM) has 20 known insider and institutional holders on record. The largest holder is SECOND CURVE CAPITAL LLC with 863,495 shares. Other notable holders include KAMINSKI ROBERT B and CHRISTMAS CHARLES E.
Over the last 12 months, insiders have made 38 transactions in MBWM stock — 28 buys (valued at $293.74K) and 2 sells (valued at $75.62K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
MBWM Insider Ownership
Top Holder
SECOND CURVE CAPITAL LLC
863,495 shares
Buys (12 mo)
28
$293.74K value
Sells (12 mo)
2
$75.62K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Second Curve Capital Llc |
10 Percent Owner |
863,495 |
2011-04-20 |
|
| 2 |
Kaminski Robert B |
Director |
77,986 |
2025-05-06 |
|
| 3 |
Christmas Charles E |
EVP & CFO |
73,548 |
2026-02-18 |
|
| 4 |
Reitsma Raymond E. |
President and CEO |
68,310 |
2026-02-18 |
|
| 5 |
Visser Dale J |
Director |
64,247 |
2011-02-10 |
|
| 6 |
Clark Edward J |
Director |
53,686 |
2020-06-03 |
|
| 7 |
Gill C John |
Director |
41,545 |
2007-07-23 |
|
| 8 |
Cassard David M |
Director |
34,485 |
2023-06-15 |
|
| 9 |
Augustyn Mark S |
EVP&chief Comm Banking Officer |
29,648 |
2026-02-09 |
|
| 10 |
Murdock Calvin D |
Director |
27,205 |
2015-01-06 |
|
| 11 |
Grant Edward B |
Director |
20,139 |
2019-05-28 |
|
| 12 |
Setlock Scott P |
EVP, COO, & Secretary |
19,737 |
2026-02-09 |
|
| 13 |
Sullivan Thomas R |
Director |
15,947 |
2018-05-29 |
|
| 14 |
Hoover Brett |
EVP & Chief HR Officer |
15,688 |
2026-02-09 |
|
| 15 |
Ramaker David B |
Director |
15,014 |
2025-08-19 |
|
| 16 |
Gardner Jeff A |
Director |
14,808 |
2022-05-27 |
|
| 17 |
Wiersma Lonna |
SVP, Human Resources Director |
13,927 |
2022-03-04 |
|
| 18 |
Randall Tara M |
EVP & Chief Experience Officer |
13,848 |
2026-02-09 |
|
| 19 |
Faas Michael D |
Director |
12,700 |
2012-12-03 |
|
| 20 |
Schad Timothy O |
Director |
12,025 |
2012-12-03 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-02-17 |
Reitsma Raymond E. |
President and CEO |
Tax Withholding of RSU |
4,040 |
$54.24 |
$219.11K |
| 2026-02-15 |
Reitsma Raymond E. |
President and CEO |
RSU Award |
1,808 |
- |
- |
| 2026-02-17 |
Christmas Charles E |
EVP & CFO |
Tax Withholding of RSU |
3,021 |
$54.24 |
$163.84K |
| 2026-02-15 |
Christmas Charles E |
EVP & CFO |
RSU Award |
1,326 |
- |
- |
| 2026-02-05 |
Augustyn Mark S |
EVP&chief Comm Banking Officer |
RSU Award |
2,875 |
- |
- |
| 2025-12-19 |
Augustyn Mark S |
EVP&chief Comm Banking Officer |
Tax Withholding of RSU |
1,461 |
$49.45 |
$72.25K |
| 2025-12-12 |
Augustyn Mark S |
EVP&chief Comm Banking Officer |
Gift (Given) |
2,022 |
- |
- |
| 2026-02-05 |
Randall Tara M |
EVP & Chief Experience Officer |
RSU Award |
1,820 |
- |
- |
| 2025-12-19 |
Randall Tara M |
EVP & Chief Experience Officer |
Tax Withholding of RSU |
1,500 |
$49.45 |
$74.18K |
| 2026-02-05 |
Setlock Scott P |
EVP, COO, & Secretary |
RSU Award |
2,271 |
- |
- |
| 2025-12-19 |
Setlock Scott P |
EVP, COO, & Secretary |
Tax Withholding of RSU |
1,187 |
$49.45 |
$58.7K |
| 2026-02-05 |
Hoover Brett |
EVP & Chief HR Officer |
RSU Award |
1,888 |
- |
- |
| 2025-12-19 |
Hoover Brett |
EVP & Chief HR Officer |
Tax Withholding of RSU |
950 |
$49.45 |
$46.98K |
| 2026-02-05 |
Reitsma Raymond E. |
President and CEO |
RSU Award |
7,559 |
- |
- |
| 2026-02-05 |
Christmas Charles E |
EVP & CFO |
RSU Award |
2,829 |
- |
- |
| 2026-01-06 |
Schweihofer Steven |
Director |
RSU Award |
321 |
- |
- |
| 2025-12-31 |
Schweihofer Steven |
Director |
RSU Award |
5,282 |
$32.32 |
$170.71K |
| 2025-12-31 |
Schweihofer Steven |
Director |
Unknown |
- |
- |
- |
| 2025-11-13 |
Price Michael H |
Director |
Informative Sell |
1,417 |
$45.81 |
$64.91K |
| 2025-10-31 |
Sanchez Nelson F |
Director |
Informative Buy |
1,000 |
$43.50 |
$43.5K |
| 2025-08-18 |
Ramaker David B |
Director |
Informative Buy |
1,500 |
$46.71 |
$70.07K |
| 2025-07-29 |
Williams Shoran R |
Director |
Informative Buy |
200 |
$47.29 |
$9.46K |
| 2025-07-17 |
Sparks Amy L |
Director |
RSU Award |
79 |
- |
- |
| 2025-07-17 |
Davenport Michael S. |
Director |
RSU Award |
17 |
- |
- |
| 2025-07-17 |
Eldridge Michelle Larabee |
Director |
RSU Award |
34 |
- |
- |
