Mercantile Bank's three largest insider shareholders as of May 23, 2026 are Robert B Kaminski (President, Ceo, 77.99K shares), Charles E Christmas (Evp Cfo, 70.53K shares), Raymond E. Reitsma (President And Ceo, 64.27K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| David M Cassard | - | 34,485 | 0 | 15 Jun, 2023 |
| Charles E Christmas | Evp Cfo | 70,527 | 0 | 18 Feb, 2026 |
| Robert B Kaminski | President, Ceo | 77,986 | 0 | 06 May, 2025 |
| Michael H Price | Chairman | 11,898 | 0 | 17 Nov, 2025 |
| David B Ramaker | - | 15,014 | 0 | 19 Aug, 2025 |
| Jeff A Gardner | - | 14,808 | 0 | 27 May, 2022 |
| Thomas D Dickinson | - | 19,617 | 0 | 06 Jan, 2025 |
| Robert T. Worthington | Svp, Cro, Secretary, And Gc | 10,152 | 0 | 18 Dec, 2023 |
| Michelle Larabee Eldridge | - | 11,840 | 0 | 21 Jul, 2025 |
| Raymond E. Reitsma | President And Ceo | 64,270 | 0 | 18 Feb, 2026 |
| Lonna Wiersma | Svp, Human Resources Director | 15,768 | 0 | 04 Mar, 2022 |
| Michael S. Davenport | - | 8,685 | 0 | 21 Jul, 2025 |
| Brett Hoover | Evp Chief Hr Officer | 18,520 | 0 | 09 Feb, 2026 |
| Amy L Sparks | - | 5,463 | 0 | 21 Jul, 2025 |
| Scott P Setlock | Evp, Coo, Secretary | 23,143 | 0 | 09 Feb, 2026 |
| Nelson F Sanchez | - | 0 | 3,502 | 04 Nov, 2025 |
| Joseph D Jones | - | 5,791 | 0 | 27 May, 2025 |
| Shoran R Williams | - | 5,266 | 0 | 30 Jul, 2025 |
| Tara M Randall | Evp Chief Experience Officer | 16,578 | 0 | 09 Feb, 2026 |
| Sara A Schmidt | - | 969 | 0 | 27 May, 2025 |
| Richard D Macdonald | - | 2,574 | 0 | 27 May, 2025 |
| Mark S Augustyn | Evpchief Comm Banking Officer | 32,499 | 0 | 09 Feb, 2026 |
| Steven Schweihofer | - | 5,603 | 0 | 07 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 15 Feb, 2026 | Charles E Christmas | Common Stock | A | 1,326 | $0.00 | 73,548 | D | A |
| 15 Feb, 2026 | Raymond E. Reitsma | Common Stock | A | 1,808 | $0.00 | 68,310 | D | A |
| 15 Feb, 2026 | Raymond E. Reitsma | Common Stock | A | 1,808 | $0.00 | 68,310 | D | A |
| 17 Feb, 2026 | Charles E Christmas | Common Stock | D | 3,021 | $54.24 | 70,527 | D | F |
| 17 Feb, 2026 | Raymond E. Reitsma | Common Stock | D | 4,040 | $54.24 | 64,270 | D | F |
| 17 Feb, 2026 | Raymond E. Reitsma | Common Stock | D | 4,040 | $54.24 | 64,270 | D | F |
| 05 Feb, 2026 | Charles E Christmas | Common Stock | A | 2,829 | $0.00 | 70,808 | D | A |
| 05 Feb, 2026 | Raymond E. Reitsma | Common Stock | A | 7,559 | $0.00 | 62,723 | D | A |
| 12 Dec, 2025 | Mark S Augustyn | Common Stock | D | 2,022 | $0.00 | 29,648 | D | G |
| 19 Dec, 2025 | Brett Hoover | Common Stock | D | 950 | $49.45 | 15,688 | D | F |
| 19 Dec, 2025 | Tara M Randall | Common Stock | D | 1,500 | $49.45 | 13,848 | D | F |
| 19 Dec, 2025 | Scott P Setlock | Common Stock | D | 1,187 | $49.45 | 19,737 | D | F |
| 19 Dec, 2025 | Tara M Randall | Common Stock | D | 1,500 | $49.45 | 13,848 | D | F |
| 19 Dec, 2025 | Scott P Setlock | Common Stock | D | 1,187 | $49.45 | 19,737 | D | F |
| 05 Feb, 2026 | Raymond E. Reitsma | Common Stock | A | 7,559 | $0.00 | 62,723 | D | A |
| 05 Feb, 2026 | Raymond E. Reitsma | Common Stock | A | 3,779 | $0.00 | 66,502 | D | A |
| 05 Feb, 2026 | Scott P Setlock | Common Stock | A | 2,271 | $0.00 | 22,008 | D | A |
| 05 Feb, 2026 | Charles E Christmas | Common Stock | A | 1,414 | $0.00 | 72,222 | D | A |
| 19 Dec, 2025 | Mark S Augustyn | Common Stock | D | 1,461 | $49.45 | 28,187 | D | F |
| 05 Feb, 2026 | Tara M Randall | Common Stock | A | 1,820 | $0.00 | 15,668 | D | A |