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Mercantile Bank Corp (MBWM)

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The most recent insider trading activity occurred on November 13, 2025, with significant sell transactions by Michael H. Price totaling over $200,000. Prior to this, there were several buy transactions by other insiders, including Nelson F. Sanchez and David B. Ramaker, in the preceding months. Planned sales by Robert B. Kaminski were also noted.
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Ticker: MBWM Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
PRICE MICHAEL H
2 sales — total 209,799 USD
Sale 13 Nov 2025
Value US$2,998,501.48 | Price 184.87 | Shares 98,195
Sale 13 Nov 2025
Value US$1,554,250.71 | Price 65.26 | Shares 6,528
Buy 31 Oct 2025
Value US$3,979,896.70 | Price 69.77 | Shares 34,578
Buy 18 Aug 2025
Value US$70,065.00 | Price 46.71 | Shares 1,500
Buy 29 Jul 2025
Value US$9,457.00 | Price 47.29 | Shares 200
Planned sale 2 May 2025
Value US$10,712.08 | Price 42.85 | Shares 250
Planned sale 2 Apr 2025
Value US$10,785.20 | Price 43.14 | Shares 250
Planned sale 3 Mar 2025
Value US$12,027.60 | Price 48.11 | Shares 250
Sale 26 Feb 2025
Value US$4,731.00 | Price 47.31 | Shares 100
Buy 26 Feb 2025
Value US$9,964.00 | Price 47.00 | Shares 212
Buy 20 Feb 2025
Value US$9,600.00 | Price 48.00 | Shares 200
Buy 20 Feb 2025
Value US$9,167.50 | Price 47.50 | Shares 193
Buy 19 Feb 2025
Value US$9,168.00 | Price 48.00 | Shares 191
Buy 19 Feb 2025
Value US$24,996.43 | Price 48.92 | Shares 511
Buy 18 Feb 2025
Value US$9,457.50 | Price 48.50 | Shares 195
Sale 11 Feb 2025
Value US$50,220.00 | Price 50.22 | Shares 1,000
Sale 6 Feb 2025
Value US$49,820.00 | Price 49.82 | Shares 1,000
Sale 5 Feb 2025
Value US$308,495.28 | Price 48.41 | Shares 6,372
Buy 4 Feb 2025
Value US$8,977.50 | Price 47.50 | Shares 189
Buy 3 Feb 2025
Value US$8,955.43 | Price 47.89 | Shares 187
Planned sale 3 Feb 2025
Value US$1,010.94 | Price 48.14 | Shares 21
Planned sale 3 Feb 2025
Value US$10,752.10 | Price 46.95 | Shares 229
Buy 31 Jan 2025
Value US$6,061.44 | Price 49.28 | Shares 123
Buy 29 Jan 2025
Value US$4,995.50 | Price 48.50 | Shares 103
Sale 27 Jan 2025
Value US$150,480.00 | Price 50.16 | Shares 3,000
Sale 24 Jan 2025
Value US$147,420.00 | Price 49.14 | Shares 3,000
Planned sale 2 Jan 2025
Value US$11,152.50 | Price 44.61 | Shares 250
Planned sale 2 Dec 2024
Value US$12,400.00 | Price 49.60 | Shares 250
Sale 25 Nov 2024
Value US$300,150.00 | Price 51.75 | Shares 5,800
Sale 14 Nov 2024
Value US$198,040.00 | Price 49.51 | Shares 4,000
Planned sale 4 Nov 2024
Value US$10,627.50 | Price 42.51 | Shares 250
Planned sale 2 Oct 2024
Value US$10,442.50 | Price 41.77 | Shares 250
Planned sale 3 Sep 2024
Value US$11,512.50 | Price 46.05 | Shares 250
Sale 26 Aug 2024
Value US$91,120.00 | Price 45.56 | Shares 2,000
Sale 26 Aug 2024
Value US$136,740.00 | Price 45.58 | Shares 3,000
Planned sale 2 Aug 2024
Value US$10,915.00 | Price 43.66 | Shares 250
Sale 22 Jul 2024
Value US$96,020.00 | Price 48.01 | Shares 2,000
Sale 19 Jul 2024
Value US$146,190.00 | Price 48.73 | Shares 3,000
Sale 19 Jul 2024
Value US$235,400.00 | Price 47.08 | Shares 5,000
Planned sale 2 Jul 2024
Value US$9,957.50 | Price 39.83 | Shares 250
Buy 11 Jun 2024
Value US$4,990.10 | Price 35.90 | Shares 139
Buy 10 Jun 2024
Value US$4,981.80 | Price 36.10 | Shares 138
Buy 7 Jun 2024
Value US$4,986.90 | Price 36.94 | Shares 135
Buy 6 Jun 2024
Value US$5,008.50 | Price 37.10 | Shares 135
Buy 11 Mar 2024
Value US$3,651.00 | Price 36.51 | Shares 100
Sale 26 Jul 2023
Value US$68,660.00 | Price 34.33 | Shares 2,000
Sale 26 Jul 2023
Value US$68,500.00 | Price 34.25 | Shares 2,000
Buy 21 Apr 2023
Value US$86,940.00 | Price 28.98 | Shares 3,000
Sale 16 Feb 2023
Value US$86,319.00 | Price 34.75 | Shares 2,484
Buy 20 Jan 2023
Value US$49,995.00 | Price 33.33 | Shares 1,500
Buy 18 Aug 2022
Value US$109,740.00 | Price 36.58 | Shares 3,000
Sale 26 Jan 2022
Value US$79,200.00 | Price 39.60 | Shares 2,000
Sale 25 Jan 2022
Value US$41,109.12 | Price 39.04 | Shares 1,053
Sale 24 Jan 2022
Value US$19,120.00 | Price 38.24 | Shares 500
Sale 24 Jan 2022
Value US$65,937.58 | Price 38.47 | Shares 1,714
Sale 21 Jan 2022
Value US$114,330.00 | Price 38.11 | Shares 3,000
Sale 5 Nov 2021
Value US$92,200.00 | Price 36.88 | Shares 2,500
Buy 3 Jun 2021
Value US$111,713.36 | Price 32.56 | Shares 3,431
Sale 1 Dec 2020
Value US$87,655.40 | Price 25.04 | Shares 3,500
Buy 7 May 2020
Value US$2,130.00 | Price 21.30 | Shares 100
Buy 7 May 2020
Value US$19,170.00 | Price 21.30 | Shares 900
Sale 24 Apr 2020
Value US$169,600.00 | Price 21.20 | Shares 8,000
Sale 19 Nov 2019
Value US$87,750.00 | Price 35.10 | Shares 2,500
Sale 19 Nov 2019
Value US$87,750.00 | Price 35.10 | Shares 2,500
Sale 22 Oct 2019
Value US$104,559.56 | Price 35.48 | Shares 2,947
Sale 25 Jan 2019
Value US$68,660.00 | Price 34.33 | Shares 2,000
Sale 20 Nov 2018
Value US$31,370.00 | Price 31.37 | Shares 1,000
Sale 7 Nov 2018
Value US$20,187.20 | Price 32.56 | Shares 620
Sale 30 May 2018
Value US$108,960.00 | Price 36.32 | Shares 3,000
Sale 2 Mar 2018
Value US$34,700.00 | Price 34.70 | Shares 1,000
Sale 2 Mar 2018
Value US$17,250.00 | Price 34.50 | Shares 500
Sale 2 Mar 2018
Value US$85,600.00 | Price 34.24 | Shares 2,500
Sale 1 Mar 2018
Value US$34,230.00 | Price 34.23 | Shares 1,000
Sale 1 Mar 2018
Value US$65,793.70 | Price 34.09 | Shares 1,930
Sale 20 Nov 2017
Value US$182,780.00 | Price 35.15 | Shares 5,200
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-11-17 2025-11-13 S Sale
3.1
PRICE MICHAEL H
Non-Executive Director
98,195 +28.2%
184.87
US$2,998,501 		98,195 +28.2% 184.87 US$2,998,501
2025-11-17 2025-11-13 S Sale
3.1
PRICE MICHAEL H
Non-Executive Director
6,528 +39.0%
65.26
US$1,554,251 		6,528 +39.0% 65.26 US$1,554,251
2025-11-04 2025-10-31 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
34,578 +8.5%
69.77
US$3,979,897 		34,578 +8.5% 69.77 US$3,979,897
2025-08-19 2025-08-18 B Purchase
2.5
RAMAKER DAVID B
Non-Executive Director
1,500 +11.1%
46.71
US$70,065 		1,500 +11.1% 46.71 US$70,065
2025-07-30 2025-07-29 B Purchase
1.8
Williams Shoran R
Non-Executive Director
200 +3.9%
47.29
US$9,457 		200 +3.9% 47.29 US$9,457
2025-05-06 2025-05-02 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
250 -0.3%
42.85
US$10,712 		250 -0.3% 42.85 US$10,712
2025-04-04 2025-04-02 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
250 -0.3%
43.14
US$10,785 		250 -0.3% 43.14 US$10,785
2025-03-05 2025-03-03 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
250 -0.3%
48.11
US$12,028 		250 -0.3% 48.11 US$12,028
2025-02-28 2025-02-26 S Sale
2.8
Sanchez Nelson F
Non-Executive Director
100 -4.3%
47.31
US$4,731 		100 -4.3% 47.31 US$4,731
2025-02-28 2025-02-26 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
212 +9.3%
47.00
US$9,964 		212 +9.3% 47.00 US$9,964
2025-02-24 2025-02-20 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
200 +9.6%
48.00
US$9,600 		200 +9.6% 48.00 US$9,600
2025-02-24 2025-02-20 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
193 +10.2%
47.50
US$9,168 		193 +10.2% 47.50 US$9,168
2025-02-20 2025-02-19 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
191 +11.2%
48.00
US$9,168 		191 +11.2% 48.00 US$9,168
2025-02-20 2025-02-19 B Purchase
0.9
MacDonald Richard D
Non-Executive Director
511 +42.1%
48.92
US$24,996 		511 +42.1% 48.92 US$24,996
2025-02-20 2025-02-18 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
195 +12.9%
48.50
US$9,458 		195 +12.9% 48.50 US$9,458
2025-02-12 2025-02-11 S Sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
1,000 -7.8%
50.22
US$50,220 		1,000 -7.8% 50.22 US$50,220
2025-02-10 2025-02-06 S Sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
1,000 -7.2%
49.82
US$49,820 		1,000 -7.2% 49.82 US$49,820
2025-02-24 2025-02-05 S Sale
3.1
PRICE MICHAEL H
Non-Executive Director
6,372 -29.6%
48.41
US$308,495 		6,372 -29.6% 48.41 US$308,495
2025-02-05 2025-02-04 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
189 +14.3%
47.50
US$8,978 		189 +14.3% 47.50 US$8,978
2025-02-05 2025-02-03 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
187 +16.5%
47.89
US$8,955 		187 +16.5% 47.89 US$8,955
2025-02-04 2025-02-03 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
21 -0.0%
48.14
US$1,011 		21 -0.0% 48.14 US$1,011
2025-02-04 2025-02-03 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
229 -0.3%
46.95
US$10,752 		229 -0.3% 46.95 US$10,752
2025-02-04 2025-01-31 B Purchase
1.8
Williams Shoran R
Non-Executive Director
123 +3.1%
49.28
US$6,061 		123 +3.1% 49.28 US$6,061
2025-01-30 2025-01-29 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
103 +10.0%
48.50
US$4,996 		103 +10.0% 48.50 US$4,996
2025-01-28 2025-01-27 S Sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
3,000 -17.8%
50.16
US$150,480 		3,000 -17.8% 50.16 US$150,480
2025-01-28 2025-01-24 S Sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
3,000 -15.1%
49.14
US$147,420 		3,000 -15.1% 49.14 US$147,420
2025-01-03 2025-01-02 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
250 -0.3%
44.61
US$11,152 		250 -0.3% 44.61 US$11,152
2024-12-03 2024-12-02 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
250 -0.3%
49.60
US$12,400 		250 -0.3% 49.60 US$12,400
2024-11-27 2024-11-25 S Sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
5,800 -22.6%
51.75
US$300,150 		5,800 -22.6% 51.75 US$300,150
2024-11-15 2024-11-14 S Sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
4,000 -13.5%
49.51
US$198,040 		4,000 -13.5% 49.51 US$198,040
2024-11-05 2024-11-04 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
250 -0.3%
42.51
US$10,628 		250 -0.3% 42.51 US$10,628
2024-10-03 2024-10-02 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
250 -0.3%
41.77
US$10,442 		250 -0.3% 41.77 US$10,442
2024-09-04 2024-09-03 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
250 -0.3%
46.05
US$11,512 		250 -0.3% 46.05 US$11,512
2024-08-27 2024-08-26 S Sale
3.1
PRICE MICHAEL H
Non-Executive Director
2,000 -8.5%
45.56
US$91,120 		2,000 -8.5% 45.56 US$91,120
2024-08-27 2024-08-26 S Sale
3.1
PRICE MICHAEL H
Non-Executive Director
3,000 -11.3%
45.58
US$136,740 		3,000 -11.3% 45.58 US$136,740
2024-08-05 2024-08-02 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
250 -0.3%
43.66
US$10,915 		250 -0.3% 43.66 US$10,915
2024-07-22 2024-07-22 S Sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
2,000 -6.3%
48.01
US$96,020 		2,000 -6.3% 48.01 US$96,020
2024-07-22 2024-07-19 S Sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
3,000 -8.7%
48.73
US$146,190 		3,000 -8.7% 48.73 US$146,190
2024-07-22 2024-07-19 S Sale
3.1
PRICE MICHAEL H
Non-Executive Director
5,000 -15.8%
47.08
US$235,400 		5,000 -15.8% 47.08 US$235,400
2024-07-03 2024-07-02 PlS Planned sale
3.5
KAMINSKI ROBERT B
Non-Executive Director
250 -0.3%
39.83
US$9,958 		250 -0.3% 39.83 US$9,958
2024-06-12 2024-06-11 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
139 +15.6%
35.90
US$4,990 		139 +15.6% 35.90 US$4,990
2024-06-12 2024-06-10 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
138 +18.3%
36.10
US$4,982 		138 +18.3% 36.10 US$4,982
2024-06-10 2024-06-07 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
135 +21.8%
36.94
US$4,987 		135 +21.8% 36.94 US$4,987
2024-06-10 2024-06-06 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
135 +27.8%
37.10
US$5,008 		135 +27.8% 37.10 US$5,008
2024-03-13 2024-03-11 B Purchase
2.8
Sanchez Nelson F
Non-Executive Director
100 +8.6%
36.51
US$3,651 		100 +8.6% 36.51 US$3,651
2023-07-28 2023-07-26 S Sale
3.1
PRICE MICHAEL H
Non-Executive Director
2,000 -6.2%
34.33
US$68,660 		2,000 -6.2% 34.33 US$68,660
2023-07-28 2023-07-26 S Sale
3.1
PRICE MICHAEL H
Non-Executive Director
2,000 -5.9%
34.25
US$68,500 		2,000 -5.9% 34.25 US$68,500
2023-04-24 2023-04-21 B Purchase
2.5
RAMAKER DAVID B
Non-Executive Director
3,000 +40.6%
28.98
US$86,940 		3,000 +40.6% 28.98 US$86,940
2023-02-21 2023-02-16 S Sale
2.9
Worthington Robert T.

SVP, CRO, SECRETARY, AND GC

Officer
2,484 -22.0%
34.75
US$86,319 		2,484 -22.0% 34.75 US$86,319
2023-01-20 2023-01-20 B Purchase
2.5
RAMAKER DAVID B
Non-Executive Director
1,500 +25.4%
33.33
US$49,995 		1,500 +25.4% 33.33 US$49,995
2022-08-22 2022-08-18 B Purchase
2.5
RAMAKER DAVID B
Non-Executive Director
3,000 +103.7%
36.58
US$109,740 		3,000 +103.7% 36.58 US$109,740
2022-01-26 2022-01-26 S Sale
3.2
Wiersma Lonna

SVP, HUMAN RESOURCES DIRECTOR

Officer
2,000 -100.0%
39.60
US$79,200 		2,000 -100.0% 39.60 US$79,200
2022-01-27 2022-01-25 S Sale
3.1
PRICE MICHAEL H
Non-Executive Director
1,053 -2.3%
39.04
US$41,109 		1,053 -2.3% 39.04 US$41,109
2022-01-26 2022-01-24 S Sale
3.2
Wiersma Lonna

SVP, HUMAN RESOURCES DIRECTOR

Officer
500 -3.8%
38.24
US$19,120 		500 -3.8% 38.24 US$19,120
2022-01-26 2022-01-24 S Sale
3.2
Wiersma Lonna

SVP, HUMAN RESOURCES DIRECTOR

Officer
1,714 -12.0%
38.47
US$65,938 		1,714 -12.0% 38.47 US$65,938
2022-01-25 2022-01-21 S Sale
2.9
Worthington Robert T.

SVP, CRO, SECRETARY, AND GC

Officer
3,000 -17.6%
38.11
US$114,330 		3,000 -17.6% 38.11 US$114,330
2021-11-09 2021-11-05 S Sale
3.2
Wiersma Lonna

SVP, HUMAN RESOURCES DIRECTOR

Officer
2,500 -55.6%
36.88
US$92,200 		2,500 -55.6% 36.88 US$92,200
2021-06-07 2021-06-03 B Purchase
2.9
Worthington Robert T.

COO, SECRETARY, SVP, AND GC

Officer
3,431 +18.5%
32.56
US$111,713 		3,431 +18.5% 32.56 US$111,713
2020-12-03 2020-12-01 S Sale
2.9
Worthington Robert T.

COO, SECRETARY, SVP, AND GC

Officer
3,500 -28.3%
25.04
US$87,655 		3,500 -28.3% 25.04 US$87,655
2020-05-11 2020-05-07 B Purchase
2.9
Eldridge Michelle Larabee
Non-Executive Director
100 +1.8%
21.30
US$2,130 		100 +1.8% 21.30 US$2,130
2020-05-11 2020-05-07 B Purchase
2.9
Eldridge Michelle Larabee
Non-Executive Director
900 +15.4%
21.30
US$19,170 		900 +15.4% 21.30 US$19,170
2020-04-28 2020-04-24 S Sale
3.1
PRICE MICHAEL H
8,000 -15.0%
21.20
US$169,600 		8,000 -15.0% 21.20 US$169,600
2019-11-21 2019-11-19 S Sale Worthington Robert T.

COO, SECRETARY, SVP, AND GC
2,500 -20.4%
35.10
US$87,750 		2,500 -20.4% 35.10 US$87,750
2019-11-21 2019-11-19 S Sale Wiersma Lonna

SVP, HUMAN RESOURCES DIRECTOR
2,500 -31.3%
35.10
US$87,750 		2,500 -31.3% 35.10 US$87,750
2019-10-24 2019-10-22 S Sale
3.1
PRICE MICHAEL H
2,947 -5.2%
35.48
US$104,560 		2,947 -5.2% 35.48 US$104,560
2019-01-28 2019-01-25 S Sale
2.1
GRANT EDWARD B
2,000 -9.5%
34.33
US$68,660 		2,000 -9.5% 34.33 US$68,660
2018-11-23 2018-11-20 S Sale Wiersma Lonna

SVP, HUMAN RESOURCES DIRECTOR
1,000 -16.7%
31.37
US$31,370 		1,000 -16.7% 31.37 US$31,370
2018-11-09 2018-11-07 S Sale SULLIVAN THOMAS R
620 -3.7%
32.56
US$20,187 		620 -3.7% 32.56 US$20,187
2018-06-01 2018-05-30 S Sale PRICE MICHAEL H
3,000 -5.9%
36.32
US$108,960 		3,000 -5.9% 36.32 US$108,960
2018-03-05 2018-03-02 S Sale SULLIVAN THOMAS R
1,000 -6.2%
34.70
US$34,700 		1,000 -6.2% 34.70 US$34,700
2018-03-05 2018-03-02 S Sale SULLIVAN THOMAS R
500 -3.0%
34.50
US$17,250 		500 -3.0% 34.50 US$17,250
2018-03-05 2018-03-02 S Sale SULLIVAN THOMAS R
2,500 -13.1%
34.24
US$85,600 		2,500 -13.1% 34.24 US$85,600
2018-03-05 2018-03-01 S Sale SULLIVAN THOMAS R
1,000 -5.0%
34.23
US$34,230 		1,000 -5.0% 34.23 US$34,230
2018-03-05 2018-03-01 S Sale SULLIVAN THOMAS R
1,930 -8.7%
34.09
US$65,794 		1,930 -8.7% 34.09 US$65,794
2017-11-22 2017-11-20 S Sale SULLIVAN THOMAS R
5,200 -25.6%
35.15
US$182,780 		5,200 -25.6% 35.15 US$182,780
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