| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2018-02-09 | DIMENSIONAL FUND ADVISORS LP | MERCANTILE BANK CORP | 945,928 | 5.7% | EDGAR |
| SC 13G/A | 2018-01-25 | BlackRock Inc. | MERCANTILE BANK CORP | 967,524 | 5.9% | EDGAR |
| SC 13G/A | 2017-02-15 | BANC FUNDS CO LLC | MERCANTILE BANK CORP | 0 | 0.0% | EDGAR |
| SC 13G | 2017-02-09 | DIMENSIONAL FUND ADVISORS LP | MERCANTILE BANK CORP | 832,237 | 5.1% | EDGAR |
| SC 13G | 2017-01-30 | BlackRock Inc. | MERCANTILE BANK CORP | 839,033 | 5.1% | EDGAR |
| SC 13G/A | 2016-02-11 | WELLINGTON MANAGEMENT GROUP LLP | MERCANTILE BANK CORP | 232,765 | 1.4% | EDGAR |
| SC 13G/A | 2016-02-09 | BANC FUNDS CO LLC | MERCANTILE BANK CORP | 89,343 | 0.5% | EDGAR |
| SC 13G/A | 2015-02-12 | WELLINGTON MANAGEMENT GROUP LLP | MERCANTILE BANK CORP | 1,653,960 | 9.8% | EDGAR |
| SC 13G/A | 2015-02-12 | BANC FUNDS CO LLC | MERCANTILE BANK CORP | 89,343 | 0.5% | EDGAR |
| SC 13G/A | 2014-02-14 | WELLINGTON MANAGEMENT CO LLP | MERCANTILE BANK CORP | 862,045 | 9.9% | EDGAR |
| SC 13G/A | 2014-02-14 | BANC FUNDS CO LLC | MERCANTILE BANK CORP | 0 | 0.0% | EDGAR |
| SC 13G/A | 2014-02-14 | VISSER BRUCE | MERCANTILE BANK CORP | 823,762,199 | 9.5% | EDGAR |
| SC 13G/A | 2013-02-14 | VISSER BRUCE | MERCANTILE BANK CORP | 861,876,150 | 10.0% | EDGAR |
| SC 13G | 2013-02-14 | WELLINGTON MANAGEMENT CO LLP | MERCANTILE BANK CORP | 514,371 | 6.0% | EDGAR |
| SC 13G | 2013-02-12 | BANC FUNDS CO LLC | MERCANTILE BANK CORP | 43,738 | 0.5% | EDGAR |
| SC 13G/A | 2012-09-10 | SECOND CURVE CAPITAL LLC | MERCANTILE BANK CORP | 277,560 | 3.2% | EDGAR |
| SC 13G/A | 2012-02-14 | Nichols James William | MERCANTILE BANK CORP | 429,207 | 5.0% | EDGAR |
| SC 13G/A | 2012-02-09 | SECOND CURVE CAPITAL LLC | MERCANTILE BANK CORP | 830,266 | 9.7% | EDGAR |
| SC 13G/A | 2012-01-05 | VISSER BRUCE | MERCANTILE BANK CORP | 734,068,577 | 8.5% | EDGAR |
| SC 13G/A | 2012-01-05 | VISSER BRUCE | MERCANTILE BANK CORP | 726,445,150 | 8.5% | EDGAR |