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Transaction Types Key To InsiderInsights' Infobase
 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History For:
'CHANG JOHN B'
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Insider Statistics
T N H M S
Insider Title
Company Name
Ticker
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
SIC Code
SIC Sector
SIC Industry
SIC Sub-Industry
Input Date
1
    
 
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS
---
900
---
12/4/24
---
---
70,800
-1.3
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/6/24 - 4:20:39 pm
2
    
 
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JB
---
2,400
---
12/1/24
---
---
71,700
3.5
D
R
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/3/24 - 4:09:18 pm
3
1y
22
59%
-5%
1
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$183,328
2,280
---
11/12/24
---
$80.41
69,300
-3.2
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
11/12/24 - 4:19:28 pm
4
1y
22
59%
-5%
1
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$100,338
1,400
---
9/12/24
---
$71.67
71,580
-1.9
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
9/13/24 - 4:45:33 pm
5
1y
22
59%
-5%
1
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$152,070
2,055
---
8/23/24
---
$74.00
72,980
-2.7
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
8/26/24 - 4:11:28 pm
6
    
 
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS
---
375
---
2/1/24
---
---
75,035
-0.5
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
2/1/24 - 5:17:48 pm
7
    
 
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JB
---
375
---
2/1/24
---
---
375
New
I
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
2/1/24 - 5:17:48 pm
8
    
 
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JB
---
39,600
---
1/3/24
---
---
75,410
110.6
D
A,R
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
1/30/24 - 12:09:27 pm
9
    
 
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JB
---
39,600
---
1/3/24
---
---
77,910
103.4
D
R
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
1/5/24 - 12:14:47 pm
10
1y
22
59%
-5%
1
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
AS
$269,800
3,550
---
12/26/23
---
$76.00
38,310
-8.5
D
10b
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/28/23 - 9:37:30 am
11
1y
22
59%
-5%
1
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
AS
$74,000
1,000
---
12/21/23
---
$74.00
41,860
-2.3
D
10b
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/22/23 - 4:26:41 pm
12
    
 
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS
---
900
---
12/20/23
---
---
42,860
-2.1
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/20/23 - 4:03:05 pm
13
    
 
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JB
---
900
---
12/20/23
---
---
450
---
I
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/20/23 - 4:03:05 pm
14
1y
22
59%
-5%
1
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$36,000
500
---
12/14/23
---
$72.00
43,760
-1.1
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/15/23 - 10:23:11 am
15
    
 
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS
$207,000
3,000
---
12/11/23
---
$69.00
44,260
-6.3
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/11/23 - 4:23:35 pm
16
    
 
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JB
---
2,400
---
12/1/23
---
---
47,260
5.3
D
R
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/1/23 - 11:36:16 am
17
1y
22
59%
-5%
1
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
AS
$365,000
5,000
---
5/3/23
$72.00
$74.00
42,360
-10.6
D
10b
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/4/23 - 12:08:15 pm
18
1y
22
59%
-5%
1
VP,LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
AS
$35,000
500
---
4/17/23
---
$70.00
47,360
-1.0
D
10b
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
4/18/23 - 2:41:29 pm
19
1y
22
59%
-5%
1
LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
AS
$140,000
2,000
---
2/1/23
---
$70.00
47,860
-4.0
D
10b
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
2/2/23 - 9:31:15 am
20
1y
22
59%
-5%
1
LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
AS
$34,000
500
---
1/26/23
---
$68.00
49,860
-1.0
D
10b
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
1/27/23 - 9:12:49 am
21
1y
22
59%
-5%
1
LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
AS
$66,000
1,000
---
1/17/23
---
$66.00
50,360
-1.9
D
10b
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
1/18/23 - 10:30:08 am
22
1y
22
59%
-5%
1
LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
AS
$96,000
1,500
---
1/12/23
---
$64.00
51,360
-2.8
D
10b
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
1/13/23 - 10:25:20 am
23
    
 
LO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JB
---
9,600
---
1/3/23
---
---
52,860
22.2
D
R
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
1/4/23 - 2:08:02 pm
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