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 JS
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Detailed Insider History for:
MIDDLEFIELD BANC CORP: MBCN
Price: 2/20/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$35.18 $37.68 $22.74 $286 8 29 2.4% 0.4% 32.60% 4.27%
Exch Sector Industry Sub-Industry
NasdaqCM Finance, Insurance, And Real Estate Depository Institutions State Commercial Banks
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JS
$26,151
758
---
1/14/26
---
$34.50
50,734
-1.5
D
R
1/16/26 - 10:31:18 am
2
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JB
$78,936
2,288
---
1/14/26
---
$34.50
51,492
4.7
D
R
1/16/26 - 10:31:18 am
3
    
 
WINTERS SARAH A
VP
JS
$11,178
324
---
1/14/26
---
$34.50
4,910
-6.2
D
R
1/16/26 - 10:18:44 am
4
    
 
WINTERS SARAH A
VP
JB
$32,499
942
---
1/14/26
---
$34.50
5,234
21.9
D
R
1/16/26 - 10:18:44 am
5
    
 
WILSON THOMAS M
VP
JS
$10,592
307
---
1/14/26
---
$34.50
9,636
-3.1
D
R
1/16/26 - 10:11:35 am
6
    
 
WILSON THOMAS M
VP
JB
$30,878
895
---
1/14/26
---
$34.50
9,943
9.9
D
R
1/16/26 - 10:11:35 am
7
    
 
RANTTILA MICHAEL
VP,CFO
JS
$15,111
438
---
1/14/26
---
$34.50
19,519
-2.2
D
R
1/16/26 - 10:00:39 am
8
    
 
RANTTILA MICHAEL
VP,CFO
JB
$50,957
1,477
---
1/14/26
---
$34.50
19,957
8.0
D
R
1/16/26 - 10:00:39 am
9
    
 
NOBLIT REBECCA A
VP
JS
$11,282
327
---
1/14/26
---
$34.50
7,848
-4.0
D
R
1/16/26 - 9:46:30 am
10
    
 
NOBLIT REBECCA A
VP
JB
$33,327
966
---
1/14/26
---
$34.50
8,175
13.4
D
R
1/16/26 - 9:46:30 am
11
    
 
ERMINIO COURTNEY M
VP
JS
$10,937
317
---
1/14/26
---
$34.50
8,099
-3.8
D
R
1/16/26 - 9:36:35 am
12
    
 
ERMINIO COURTNEY M
VP
JB
$32,499
942
---
1/14/26
---
$34.50
8,416
12.6
D
R
1/16/26 - 9:36:35 am
13
    
 
CHERAVITCH MICHAEL L
VP
JS
$10,385
301
---
1/14/26
---
$34.50
6,500
-4.4
D
R
1/16/26 - 8:58:42 am
14
    
 
CHERAVITCH MICHAEL L
VP
JB
$30,222
876
---
1/14/26
---
$34.50
6,801
14.8
D
R
1/16/26 - 8:58:42 am
15
    
 
CHERAVITCH MICHAEL L
VP
JS
$23,142
670
---
12/31/25
---
$34.54
5,925
-10.2
D
R
1/5/26 - 10:25:05 am
16
    
 
CHERAVITCH MICHAEL L
VP
JB
$79,442
2,300
---
12/31/25
---
$34.54
6,595
53.6
D
R
1/5/26 - 10:25:05 am
17
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JS
$152,662
4,126
---
12/17/25
---
$37.00
49,204
-7.7
D
R
12/18/25 - 5:57:20 pm
18
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JB
$548,118
14,814
---
12/17/25
---
$37.00
53,330
38.5
D
R
12/18/25 - 5:57:20 pm
19
    
 
WILSON THOMAS M
VP
JS
$17,760
480
---
12/17/25
---
$37.00
9,048
-5.0
D
R
12/18/25 - 5:45:04 pm
20
    
 
WILSON THOMAS M
VP
JB
$61,087
1,651
---
12/17/25
---
$37.00
9,528
21.0
D
R
12/18/25 - 5:45:04 pm
21
    
 
WINTERS SARAH A
VP
JS
$56,129
1,517
---
12/17/25
---
$37.00
4,292
-26.1
D
R
12/18/25 - 5:38:26 pm
22
    
 
WINTERS SARAH A
VP
JB
$192,548
5,204
---
12/17/25
---
$37.00
5,809
860.2
D
R
12/18/25 - 5:38:26 pm
23
    
 
RANTTILA MICHAEL
VP,CFO
JS
$146,594
3,962
---
12/17/25
---
$37.00
18,480
-17.7
D
R
12/18/25 - 5:22:31 pm
24
    
 
RANTTILA MICHAEL
VP,CFO
JB
$602,027
16,271
---
12/17/25
---
$37.00
22,442
263.7
D
R
12/18/25 - 5:22:31 pm
25
    
 
NOBLIT REBECCA A
VP
JS
$7,141
193
---
12/17/25
---
$37.00
7,209
-2.6
D
R
12/18/25 - 5:05:27 pm
26
    
 
NOBLIT REBECCA A
VP
JB
$25,012
676
---
12/17/25
---
$37.00
7,402
10.1
D
R
12/18/25 - 5:05:27 pm
27
    
 
CHERAVITCH MICHAEL L
VP
JS
$56,018
1,514
---
12/17/25
---
$37.00
4,295
-26.1
D
R
12/18/25 - 4:47:05 pm
28
    
 
CHERAVITCH MICHAEL L
VP
JB
$192,548
5,204
---
12/17/25
---
$37.00
5,809
860.2
D
R
12/18/25 - 4:47:05 pm
29
    
 
ERMINIO COURTNEY M
VP
JS
$44,474
1,202
---
12/17/25
---
$37.00
7,474
-13.9
D
R
12/18/25 - 4:10:21 pm
30
    
 
ERMINIO COURTNEY M
VP
JB
$156,843
4,239
---
12/17/25
---
$37.00
8,676
95.5
D
R
12/18/25 - 4:10:21 pm
31
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JS
$38,720
1,112
---
12/1/25
---
$34.82
38,516
-2.8
D
R
12/3/25 - 11:07:34 am
32
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JB
$131,898
3,788
---
12/1/25
---
$34.82
39,628
10.6
D
R
12/3/25 - 11:07:34 am
33
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JS
$17,974
663
---
8/6/25
---
$27.11
35,840
-1.8
D
R
8/7/25 - 8:24:29 pm
34
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JB
$61,269
2,260
---
8/6/25
---
$27.11
36,503
6.6
D
R
8/7/25 - 8:24:29 pm
35
    
 
NOBLIT REBECCA A
VP
JS
$6,452
238
---
8/6/25
---
$27.11
6,726
-3.4
D
R
8/7/25 - 8:13:17 pm
36
    
 
NOBLIT REBECCA A
VP
JB
$23,125
853
---
8/6/25
---
$27.11
6,964
14.0
D
R
8/7/25 - 8:13:17 pm
37
    
 
ERMINIO COURTNEY M
VP
JS
$6,561
242
---
8/6/25
---
$27.11
4,437
-5.2
D
R
8/7/25 - 8:02:01 pm
38
    
 
ERMINIO COURTNEY M
VP
JB
$23,125
853
---
8/6/25
---
$27.11
4,679
22.3
D
R
8/7/25 - 8:02:01 pm
39
    
 
CHERAVITCH MICHAEL L
VP
JS
$6,723
248
---
8/6/25
---
$27.11
605
-29.1
D
R
8/7/25 - 7:44:30 pm
40
    
 
CHERAVITCH MICHAEL L
VP
JB
$23,125
853
---
8/6/25
---
$27.11
853
New
D
R
8/7/25 - 7:44:30 pm
41
    
 
WINTERS SARAH A
VP
JS
$6,723
248
---
8/6/25
---
$27.11
605
-29.1
D
R
8/7/25 - 7:29:35 pm
42
    
 
WINTERS SARAH A
VP
JB
$23,125
853
---
8/6/25
---
$27.11
853
New
D
R
8/7/25 - 7:29:35 pm
43
    
 
WILSON THOMAS M
VP
JS
$7,076
261
---
8/6/25
---
$27.11
7,877
-3.2
D
R
8/7/25 - 7:17:56 pm
44
    
 
WILSON THOMAS M
VP
JB
$23,125
853
---
8/6/25
---
$27.11
8,138
11.7
D
R
8/7/25 - 7:17:56 pm
45
    
 
RANTTILA MICHAEL
VP,CFO
JS
$11,874
438
---
8/6/25
---
$27.11
6,171
-6.6
D
R
8/7/25 - 6:49:22 pm
46
    
 
RANTTILA MICHAEL
VP,CFO
JB
$40,828
1,506
---
8/6/25
---
$27.11
6,609
29.5
D
R
8/7/25 - 6:49:22 pm
47
    
 
RANTTILA MICHAEL
VP,CFO
JS
$13,759
560
---
2/23/25
---
$24.57
5,103
-9.9
D
R
3/3/25 - 3:16:54 pm
48
    
 
RANTTILA MICHAEL
VP,CFO
JB
$40,000
1,628
---
2/23/25
---
$24.57
5,663
40.3
D
R
3/3/25 - 3:16:54 pm
49
    
 
ERMINIO COURTNEY M
VP
JS
$11,425
465
---
2/23/25
---
$24.57
3,826
-10.8
D
R
3/3/25 - 2:49:39 pm
50
    
 
ERMINIO COURTNEY M
VP
JB
$33,980
1,383
---
2/23/25
---
$24.57
4,291
47.6
D
R
3/3/25 - 2:49:39 pm
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