John Chang

(Mr. John Chang)

Currently holds a position at Cogent Communications Holdings Inc

Positions

Position Company Period
Chief Legal Officer Cogent Communications Holdings Inc May 1, 2019 -
Vice President and Deputy General Counsel Cogent Communications Holdings Inc Jan. 1, 2005 - May 1, 2019
John Chang's trades of Cogent Communications Holdings Inc's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2024-11-12 2024-11-12
S Sale
2,280 -3.2%
80.41
USD 183,328 		2,280 -3.2% 80.41 USD 183,328
2024-09-13 2024-09-12
S Sale
1,400 -1.9%
71.67
USD 100,338 		1,400 -1.9% 71.67 USD 100,338
2024-08-26 2024-08-23
S Sale
2,055 -2.7%
74.00
USD 152,070 		2,055 -2.7% 74.00 USD 152,070
2023-12-28 2023-12-26
PS Planned sale
3,550 -8.5%
76.00
USD 269,800 		3,550 -8.5% 76.00 USD 269,800
2023-12-22 2023-12-21
PS Planned sale
1,000 -2.3%
74.00
USD 74,000 		1,000 -2.3% 74.00 USD 74,000
2023-12-15 2023-12-14
S Sale
500 -1.1%
72.00
USD 36,000 		500 -1.1% 72.00 USD 36,000
2023-05-04 2023-05-03
PS Planned sale
2,500 -5.6%
74.00
USD 185,000 		2,500 -5.6% 74.00 USD 185,000
2023-05-04 2023-05-03
PS Planned sale
2,500 -5.3%
72.00
USD 180,000 		2,500 -5.3% 72.00 USD 180,000
2023-04-18 2023-04-17
PS Planned sale
500 -1.0%
70.00
USD 35,000 		500 -1.0% 70.00 USD 35,000
2023-02-02 2023-02-01
PS Planned sale
2,000 -4.0%
70.00
USD 140,000 		2,000 -4.0% 70.00 USD 140,000
2023-01-27 2023-01-26
PS Planned sale
500 -1.0%
68.00
USD 34,000 		500 -1.0% 68.00 USD 34,000
2023-01-18 2023-01-17
PS Planned sale
1,000 -1.9%
66.00
USD 66,000 		1,000 -1.9% 66.00 USD 66,000
2023-01-13 2023-01-12
PS Planned sale
1,500 -2.8%
64.00
USD 96,000 		1,500 -2.8% 64.00 USD 96,000
2022-04-07 2022-04-06
PS Planned sale
250 -0.6%
72.00
USD 18,000 		250 -0.6% 72.00 USD 18,000
2022-04-07 2022-04-05
PS Planned sale
250 -0.6%
70.00
USD 17,500 		250 -0.6% 70.00 USD 17,500
2022-04-04 2022-04-01
PS Planned sale
150 -0.4%
68.00
USD 10,200 		150 -0.4% 68.00 USD 10,200
2022-04-01 2022-03-31
PS Planned sale
150 -0.4%
66.00
USD 9,900 		150 -0.4% 66.00 USD 9,900
2022-03-18 2022-03-17
PS Planned sale
600 -1.4%
62.96
USD 37,776 		600 -1.4% 62.96 USD 37,776
2021-05-11 2021-05-10
PS Planned sale
558 -1.7%
80.00
USD 44,640 		558 -1.7% 80.00 USD 44,640
2021-05-03 2021-04-30
PS Planned sale
558 -1.7%
75.00
USD 41,850 		558 -1.7% 75.00 USD 41,850
2021-04-06 2021-04-05
PS Planned sale
558 -1.6%
70.00
USD 39,060 		558 -1.6% 70.00 USD 39,060
2021-03-16 2021-03-15
PS Planned sale
558 -1.6%
65.00
USD 36,270 		558 -1.6% 65.00 USD 36,270
2021-01-05 2021-01-04
PS Planned sale
558 -2.2%
60.00
USD 33,480 		558 -2.2% 60.00 USD 33,480
2020-09-01 2020-09-01
PS Planned sale
150 -0.6%
67.53
USD 10,129 		150 -0.6% 67.53 USD 10,129
2020-07-31 2020-07-31
PS Planned sale
500 -1.9%
90.00
USD 45,000 		500 -1.9% 90.00 USD 45,000
2020-07-22 2020-07-21
PS Planned sale
500 -1.9%
85.00
USD 42,500 		500 -1.9% 85.00 USD 42,500
2020-03-04 2020-03-03
PS Planned sale
600 -2.2%
81.39
USD 48,835 		600 -2.2% 81.39 USD 48,835
2020-03-03 2020-03-02
PS Planned sale
300 -1.1%
76.66
USD 22,997 		300 -1.1% 76.66 USD 22,997
2020-01-03 2020-01-02
PS Planned sale
534 -2.8%
65.46
USD 34,957 		534 -2.8% 65.46 USD 34,957
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