Chang John B

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Chang John B
CIK #0001775672
EDGAR Form CIK 2011 - 2026
3 [0001775672]
4 [0001775672]
Form 3/4/5 Subject 2011 - 2026
Cogent Communications Holdings Inc
Chang John B
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Cogent Communications Holdings Inc CCOI
common stock
2025-12-31 Grant 100,000 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2025-12-31 Grant 9,600 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2025-12-01 Grant 2,400 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2025-06-02 Gift 398 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2025-05-13 Gift 756 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2025-05-13 Gift 504 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2025-04-10 Gift 357 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2025-03-10 Gift 357 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2025-03-05 Gift 715 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2025-03-05 Gift 715 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2025-01-09 Grant 9,600 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2024-12-18 Gift 970 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2024-12-18 Gift 485 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2024-12-18 Gift 485 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2024-12-04 Gift 900 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2024-12-01 Grant 2,400 $0.00
Cogent Communications Holdings Inc CCOI
common stock
2024-11-12 Sell 2,280 $80.41 183,335
Cogent Communications Holdings Inc CCOI
common stock
2024-09-12 Sell 1,400 $71.67 100,338
Cogent Communications Holdings Inc CCOI
common stock
2024-08-23 Sell 2,055 $74.00 152,070
Cogent Communications Holdings Inc CCOI
common stock
2024-02-01 Gift 375 $0.00
showing 20 of 59 most recent transactions
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