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Chang John B.
VP & CHIEF LEGAL OFFICER at COGENT COMMUNICATIONS. Filing since 2 Jan 2020.
CIK 0001775672
Company
Date
Role
Action
Shares
Amount
Of holding
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
12 Nov 2024
VP & CHIEF LEGAL OFFICER
Sold at will
2,280
$183.33K
3.2%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
12 Sep 2024
VP & CHIEF LEGAL OFFICER
Sold at will
1,400
$100.34K
1.9%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
23 Aug 2024
VP & CHIEF LEGAL OFFICER
Sold at will
2,055
$152.07K
2.7%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
26 Dec 2023
VP & CHIEF LEGAL OFFICER
Sold on a plan
3,550
$269.80K
8.5%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
21 Dec 2023
VP & CHIEF LEGAL OFFICER
Sold on a plan
1,000
$74.00K
2.3%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
14 Dec 2023
VP & CHIEF LEGAL OFFICER
Sold on a plan
500
$36.00K
1.1%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
3 May 2023
VP & CHIEF LEGAL OFFICER
Sold on a plan
5,000
$365.00K
10.6%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
17 Apr 2023
VP & CHIEF LEGAL OFFICER
Sold on a plan
500
$35.00K
1.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
1 Feb 2023
Chief Legal Officer
Sold, plan not stated
2,000
$140.00K
4.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
26 Jan 2023
Chief Legal Officer
Sold, plan not stated
500
$34.00K
1.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
17 Jan 2023
Chief Legal Officer
Sold, plan not stated
1,000
$66.00K
1.9%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
12 Jan 2023
Chief Legal Officer
Sold, plan not stated
1,500
$96.00K
2.8%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
6 Apr 2022
Director
Sold, plan not stated
250
$18.00K
0.6%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
5 Apr 2022
Director
Sold, plan not stated
250
$17.50K
0.6%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
1 Apr 2022
Director
Sold, plan not stated
150
$10.20K
0.4%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
31 Mar 2022
VP & Chief Legal Officer
Sold, plan not stated
150
$9.90K
0.4%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
17 Mar 2022
VP & Chief Legal Officer
Sold, plan not stated
600
$37.78K
1.4%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
10 May 2021
VP & Chief Legal Officer
Sold, plan not stated
558
$44.64K
1.7%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
30 Apr 2021
VP & Chief Legal Officer
Sold, plan not stated
558
$41.85K
1.7%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
5 Apr 2021
VP & Chief Legal Officer
Sold, plan not stated
558
$39.06K
1.6%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
15 Mar 2021
VP & Chief Legal Officer
Sold, plan not stated
558
$36.27K
1.6%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
4 Jan 2021
VP & Chief Legal Officer
Sold, plan not stated
558
$33.48K
2.2%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
1 Sep 2020
VP & Chief Legal Officer
Sold, plan not stated
150
$10.13K
0.6%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
31 Jul 2020
VP & Chief Legal Officer
Sold, plan not stated
500
$45.00K
1.9%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
21 Jul 2020
VP & Chief Legal Officer
Sold, plan not stated
500
$42.50K
1.9%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
3 Mar 2020
VP & Chief Legal Officer
Sold, plan not stated
600
$48.83K
2.2%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
2 Mar 2020
VP & Chief Legal Officer
Sold, plan not stated
300
$23.00K
1.1%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
2 Jan 2020
VP & Chief Legal Officer
Sold, plan not stated
534
$34.96K
2.8%
28 decisions on file.
