Mercantile Bank Corp (MBWM) Insider Ownership

Historic Insider Ownership Trends

As of April 11, 2026, Mercantile Bank's top three insider holders 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).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Robert B Kaminski President, Ceo 77,986 0 06 May, 2025
Charles E Christmas Evp Cfo 70,527 0 18 Feb, 2026
Raymond E. Reitsma President And Ceo 64,270 0 18 Feb, 2026
David M Cassard - 34,485 0 15 Jun, 2023
Mark S Augustyn Evpchief Comm Banking Officer 32,499 0 09 Feb, 2026
Scott P Setlock Evp, Coo, Secretary 23,143 0 09 Feb, 2026
Thomas D Dickinson - 19,617 0 06 Jan, 2025
Brett Hoover Evp Chief Hr Officer 18,520 0 09 Feb, 2026
Tara M Randall Evp Chief Experience Officer 16,578 0 09 Feb, 2026
Lonna Wiersma Svp, Human Resources Director 15,768 0 04 Mar, 2022
David B Ramaker - 15,014 0 19 Aug, 2025
Jeff A Gardner - 14,808 0 27 May, 2022
Michael H Price Chairman 11,898 0 17 Nov, 2025
Michelle Larabee Eldridge - 11,840 0 21 Jul, 2025
Robert B Kaminski - 0 11,810 12 Feb, 2025
Robert T. Worthington Svp, Cro, Secretary, And Gc 10,152 0 18 Dec, 2023
Michael S. Davenport - 8,685 0 21 Jul, 2025
Joseph D Jones - 5,791 0 27 May, 2025
Steven Schweihofer - 5,603 0 07 Jan, 2026
Amy L Sparks - 5,463 0 21 Jul, 2025
Shoran R Williams - 5,266 0 30 Jul, 2025
Nelson F Sanchez - 0 3,502 04 Nov, 2025
Nelson F Sanchez - 3,084 0 27 May, 2025
Richard D Macdonald - 2,574 0 27 May, 2025
Sara A Schmidt - 969 0 27 May, 2025

* 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
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
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
19 Dec, 2025 Tara M Randall Common Stock D 1,500 $49.45 13,848 D F
19 Dec, 2025 Brett Hoover Common Stock D 950 $49.45 15,688 D F
12 Dec, 2025 Mark S Augustyn Common Stock D 2,022 $0.00 29,648 D G
19 Dec, 2025 Scott P Setlock Common Stock D 1,187 $49.45 19,737 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
05 Feb, 2026 Brett Hoover Common Stock A 1,888 $0.00 17,576 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
19 Dec, 2025 Mark S Augustyn Common Stock D 1,461 $49.45 28,187 D F
05 Feb, 2026 Charles E Christmas Common Stock A 1,414 $0.00 72,222 D A
05 Feb, 2026 Tara M Randall Common Stock A 1,820 $0.00 15,668 D A
05 Feb, 2026 Tara M Randall Common Stock A 910 $0.00 16,578 D A
05 Feb, 2026 Mark S Augustyn Common Stock A 2,875 $0.00 31,602 D A
05 Feb, 2026 Brett Hoover Common Stock A 944 $0.00 18,520 D A
05 Feb, 2026 Scott P Setlock Common Stock A 1,135 $0.00 23,143 D A