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 JS
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Detailed Insider History for:
MIDDLEFIELD BANC CORP: MBCN
Price: 10/31/25 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
$32.60 $34.68 $22.74 $264 8 12 2.6% 0.7% 34.64% 3.81%
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
$17,974
663
---
8/6/25
---
$27.11
35,840
-1.8
D
R
8/7/25 - 8:24:29 pm
2
    
 
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
3
    
 
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
4
    
 
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
5
    
 
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
6
    
 
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
7
    
 
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
8
    
 
CHERAVITCH MICHAEL L
VP
JB
$23,125
853
---
8/6/25
---
$27.11
853
New
D
R
8/7/25 - 7:44:30 pm
9
    
 
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
10
    
 
WINTERS SARAH A
VP
JB
$23,125
853
---
8/6/25
---
$27.11
853
New
D
R
8/7/25 - 7:29:35 pm
11
    
 
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
12
    
 
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
13
    
 
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
14
    
 
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
15
    
 
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
16
    
 
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
17
    
 
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
18
    
 
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
19
    
 
DIGERONIMO KEVIN A
DIR
B
$50,018
1,950
---
2/21/25
---
$25.65
4,666
71.8
D
---
3/27/25 - 4:44:00 pm
20
    
 
VOINOVICH MICHAEL C
DIR
B
$3,120
120
---
2/21/25
---
$26.00
769
18.5
I
---
2/25/25 - 6:42:50 am
21
    
 
RANTTILA MICHAEL
VP,CFO
B
$1,207
48
---
2/21/25
---
$25.15
50
2,400.0
I
R
2/24/25 - 4:59:00 pm
22
    
 
RANTTILA MICHAEL
VP,CFO
B
$7,650
300
---
2/3/25
---
$25.50
300
New
I
R
2/4/25 - 12:08:43 pm
23
    
 
MOELLER JENNIFER L
DIR
JB
$7,798
278
---
1/1/25
---
$28.05
2,077
15.4
D
---
1/2/25 - 5:19:18 pm
24
    
 
MAST DARRYL E
DIR
JB
$7,798
278
---
1/1/25
---
$28.05
5,681
5.1
D
---
1/2/25 - 4:32:13 pm
25
    
 
MCCASKEY JAMES J
DIR
JB
$7,798
278
---
1/1/25
---
$28.05
5,524
5.3
D
---
1/2/25 - 4:17:14 pm
26
    
 
JONES KENNETH E
DIR
JB
$7,798
278
---
1/1/25
---
$28.05
17,320
1.6
D
---
1/2/25 - 4:10:34 pm
27
    
 
DIGERONIMO KEVIN A
DIR
JB
$7,798
278
---
1/1/25
---
$28.05
2,716
11.4
D
---
1/2/25 - 4:04:56 pm
28
    
 
BEVAN THOMAS W
DIR
JB
$7,798
278
---
1/1/25
---
$28.05
26,153
1.1
D
---
1/2/25 - 3:58:21 pm
29
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JB
$7,798
278
---
1/1/25
---
$28.05
34,243
0.8
D
R
1/2/25 - 3:51:04 pm
30
    
 
VOINOVICH MICHAEL C
DIR
JB
$7,798
278
---
1/1/25
---
$28.05
3,122
9.8
D
---
1/2/25 - 3:13:51 pm
31
    
 
TURK CAROLYN J
DIR
JB
$7,798
278
---
1/1/25
---
$28.05
32,155
0.9
D
---
1/2/25 - 2:43:06 pm
32
    
 
SKIDMORE WILLIAM J
DIR
JB
$7,798
278
---
1/1/25
---
$28.05
20,337
1.4
D
---
1/2/25 - 2:03:45 pm
33
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JS
$34,450
1,112
---
12/1/24
---
$30.98
33,965
-3.2
D
R
12/3/24 - 2:50:41 pm
34
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JB
$117,352
3,788
---
12/1/24
---
$30.98
35,077
12.1
D
R
12/3/24 - 2:50:41 pm
35
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
JB
$6,044
212
---
9/16/24
---
$28.47
31,289
0.7
D
R
9/19/24 - 4:41:22 pm
36
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
3
---
---
---
9/4/24
---
---
27,262
---
D
A
9/4/24 - 4:01:30 pm
37
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
3
---
---
---
9/4/24
---
---
7,156
---
I
A
9/4/24 - 4:01:30 pm
38
    
 
ZIMMERLY RONALD LEN JR
VP,CEO,DIR
JB
$7,792
324
---
7/1/24
---
$24.05
36,200
0.9
D
R
7/1/24 - 5:43:43 pm
39
    
 
VOINOVICH MICHAEL C
DIR
JB
$7,792
324
---
7/1/24
---
$24.05
2,844
12.9
D
---
7/1/24 - 5:30:38 pm
40
    
 
TURK CAROLYN J
DIR
JB
$7,792
324
---
7/1/24
---
$24.05
31,877
1.0
D
---
7/1/24 - 5:04:55 pm
41
    
 
SKIDMORE WILLIAM J
DIR
JB
$7,792
324
---
7/1/24
---
$24.05
20,059
1.6
D
---
7/1/24 - 4:57:22 pm
42
    
 
MOELLER JENNIFER L
DIR
JB
$7,792
324
---
7/1/24
---
$24.05
1,799
22.0
D
---
7/1/24 - 4:40:33 pm
43
    
 
MAST DARRYL E
DIR
JB
$7,792
324
---
7/1/24
---
$24.05
5,403
6.4
D
---
7/1/24 - 4:25:17 pm
44
    
 
MCCASKEY JAMES J
DIR
JB
$7,792
324
---
7/1/24
---
$24.05
5,246
6.6
D
---
7/1/24 - 4:15:20 pm
45
    
 
JONES KENNETH E
DIR
JB
$7,792
324
---
7/1/24
---
$24.05
17,042
1.9
D
---
7/1/24 - 3:43:52 pm
46
    
 
DIGERONIMO KEVIN A
DIR
JB
$7,792
324
---
7/1/24
---
$24.05
2,438
15.3
D
---
7/1/24 - 3:34:38 pm
47
    
 
BEVAN THOMAS W
DIR
JB
$7,792
324
---
7/1/24
---
$24.05
25,875
1.3
D
---
7/1/24 - 3:24:02 pm
48
    
 
WILSON THOMAS M
VP
B
$20,980
1,000
---
6/5/24
---
$20.98
12,498
8.7
I
---
6/6/24 - 1:18:23 pm
49
    
 
MOELLER JENNIFER L
DIR
B
$4,280
200
---
5/31/24
---
$21.40
2,114
10.5
D
---
6/3/24 - 2:47:19 pm
50
    
 
ZIMMERLY RONALD LEN JR
CEO,DIR
B
$22,470
1,000
---
5/13/24
---
$22.47
8,786
12.8
I
A
9/19/24 - 3:55:56 pm
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