Cogent Communications Holdings, Inc.
US ˙ NasdaqGS ˙ US19239V3024

SecurityCCOI / Cogent Communications Holdings, Inc.
InsiderChang John B.
This page shows the track record and history of Chang John B. insider trades in Cogent Communications Holdings, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Chang John B. in CCOI / Cogent Communications Holdings, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CCOI / Cogent Communications Holdings, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Chang John B. in CCOI / Cogent Communications Holdings, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2024-11-12 2,280 80.4068 2,280 80.4068 183,328 269 30.6200 -113,513 -61.92
2024-09-12 1,400 71.6700 1,400 71.6700 100,338
2024-08-23 2,055 74.0000 2,055 74.0000 152,070
2023-12-14 500 72.0000 500 72.0000 36,000

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CCOI / Cogent Communications Holdings, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-06-03 2025-06-02 4 Chang John B. CCOI common stock G - Gift D -398 76,847
2025-05-15 2025-05-13 4 Chang John B. By minor children CCOI common stock G - Gift I 504 3,089
2025-05-15 2025-05-13 4 Chang John B. CCOI common stock G - Gift D -756 77,245
2025-04-11 2025-04-10 4 Chang John B. CCOI common stock G - Gift D -357 78,001
2025-03-12 2025-03-10 4 Chang John B. CCOI common stock G - Gift D -357 78,358
2025-03-07 2025-03-05 4 Chang John B. By minor children CCOI common stock G - Gift I 715 2,585
2025-03-07 2025-03-05 4 Chang John B. CCOI common stock G - Gift D -715 78,715
2025-01-13 2025-01-09 4 Chang John B. CCOI common stock A - Award D 9,600 79,430
2024-12-19 2024-12-18 4 Chang John B. By minor children CCOI common stock G - Gift I 485 935
2024-12-19 2024-12-18 4 Chang John B. By minor children CCOI common stock G - Gift I 485 935
2024-12-19 2024-12-18 4 Chang John B. CCOI common stock G - Gift D -970 69,830
2024-12-06 2024-12-04 4 Chang John B. CCOI common stock G - Gift D -900 70,800
2024-12-03 2024-12-01 4 Chang John B. CCOI common stock A - Award D 2,400 71,700
2024-11-12 2024-11-12 4 Chang John B. CCOI common stock S - Sale D 80.4068 -2,280 -183 69,300
2024-09-13 2024-09-12 4 Chang John B. CCOI common stock S - Sale D 71.6700 -1,400 -100 71,580
2024-08-26 2024-08-23 4 Chang John B. CCOI common stock S - Sale D 74.0000 -2,055 -152 72,980
2024-02-01 2024-02-01 4 Chang John B. charitable family trust CCOI common stock G - Gift I 375 375
2024-02-01 2024-02-01 4 Chang John B. CCOI common stock G - Gift D -375 75,035
2024-01-30 2024-01-03 4/A Chang John B. CCOI common stock A - Award D 30,000 75,410
2024-01-30 2024-01-03 4/A Chang John B. CCOI common stock A - Award D 9,600 45,410
2024-01-05 2024-01-03 4 Chang John B. CCOI common stock A - Award D 30,000 77,910
2024-01-05 2024-01-03 4 Chang John B. CCOI common stock A - Award D 9,600 47,910
2023-12-28 2023-12-26 4 Chang John B. CCOI common stock S - Sale D 76.0000 -3,550 -270 38,310
2023-12-22 2023-12-21 4 Chang John B. CCOI common stock S - Sale D 74.0000 -1,000 -74 41,860
2023-12-20 2023-12-20 4 Chang John B. By Dependent child 1 CCOI common stock G - Gift I 450 450
2023-12-20 2023-12-20 4 Chang John B. By Dependent child 2 CCOI common stock G - Gift I 450 450
2023-12-20 2023-12-20 4 Chang John B. CCOI common stock G - Gift D -900 42,860
2023-12-15 2023-12-14 4 Chang John B. CCOI common stock S - Sale D 72.0000 -500 -36 43,760
2023-12-11 2023-12-11 4 Chang John B. CCOI common stock D - Sale to Issuer D 69.0000 -3,000 -207 44,260
2023-12-01 2023-12-01 4 Chang John B. CCOI common stock A - Award D 2,400 47,260
2023-05-04 2023-05-03 4 Chang John B. CCOI common stock S - Sale D 74.0000 -2,500 -185 42,360
2023-05-04 2023-05-03 4 Chang John B. CCOI common stock S - Sale D 72.0000 -2,500 -180 44,860
2023-04-18 2023-04-17 4 Chang John B. CCOI common stock S - Sale D 70.0000 -500 -35 47,360
2023-02-02 2023-02-01 4 Chang John B. CCOI common stock S - Sale D 70.0000 -2,000 -140 47,860
2023-01-27 2023-01-26 4 Chang John B. CCOI common stock S - Sale D 68.0000 -500 -34 49,860
2023-01-18 2023-01-17 4 Chang John B. CCOI common stock S - Sale D 66.0000 -1,000 -66 50,360
2023-01-13 2023-01-12 4 Chang John B. CCOI common stock S - Sale D 64.0000 -1,500 -96 51,360
2023-01-04 2023-01-03 4 Chang John B. CCOI common stock A - Award D 9,600 52,860
2022-12-01 2022-12-01 4 Chang John B. CCOI common stock A - Award D 2,400 43,260
2022-04-07 2022-04-06 4 Chang John B. CCOI common stock S - Sale D 72.0000 -250 -18 40,860
2022-04-07 2022-04-05 4 Chang John B. CCOI common stock S - Sale D 70.0000 -250 -18 41,110
2022-04-04 2022-04-01 4 Chang John B. CCOI common stock S - Sale D 68.0000 -150 -10 41,360
2022-04-01 2022-03-31 4 Chang John B. CCOI common stock S - Sale D 66.0000 -150 -10 41,510
2022-03-18 2022-03-17 4 Chang John B. CCOI common stock S - Sale D 62.9600 -600 -38 41,660
2022-01-05 2022-01-03 4 Chang John B. CCOI common stock A - Award D 9,600 42,260
2021-05-11 2021-05-10 4 Chang John B. CCOI common stock S - Sale D 80.0000 -558 -45 32,660
2021-05-03 2021-04-30 4 Chang John B. CCOI common stock S - Sale D 75.0000 -558 -42 33,218
2021-04-06 2021-04-05 4 Chang John B. CCOI common stock S - Sale D 70.0000 -558 -39 33,776
2021-03-16 2021-03-15 4 Chang John B. CCOI common stock S - Sale D 65.0000 -558 -36 34,334
2021-02-25 2021-02-24 4 Chang John B. CCOI common stock A - Award D 9,600 34,892
2021-01-05 2021-01-04 4 Chang John B. CCOI common stock S - Sale D 60.0000 -558 -33 25,292
2020-09-01 2020-09-01 4 Chang John B. CCOI common stock S - Sale D 67.5274 -150 -10 25,850
2020-07-31 2020-07-31 4 Chang John B. CCOI common stock S - Sale D 90.0000 -500 -45 26,000
2020-07-22 2020-07-21 4 Chang John B. CCOI common stock S - Sale D 85.0000 -500 -42 26,500
2020-03-04 2020-03-03 4 Chang John B. CCOI common stock S - Sale D 81.3910 -600 -49 27,000
2020-03-03 2020-03-02 4 Chang John B. CCOI common stock S - Sale D 76.6582 -300 -23 27,600
2020-02-18 2020-02-14 4 Chang John B. CCOI common stock A - Award D 9,600 27,900
2020-01-03 2020-01-02 4 Chang John B. CCOI common stock S - Sale D 65.4632 -534 -35 18,300
2019-08-07 3 Chang John B. CCOI common stock D 37,668
2019-08-07 3 Chang John B. CCOI common stock D 37,668
2019-08-07 3 Chang John B. CCOI common stock D 37,668
P
Pembelian sekuritas non-derivatif atau derivatif di pasar terbuka atau secara pribadi.
S
Penjualan terbuka atau penjualan pribadi atas sekuritas non-derivatif atau derivatif.
A
Hibah, penghargaan, atau perolehan sekuritas lainnya dari perusahaan (seperti opsi)
C
Konversi turunan
D
Penjualan atau pengalihan sekuritas kembali ke perusahaan.
F
Pembayaran harga pelaksanaan atau kewajiban pajak menggunakan sebagian sekuritas yang diterima dari perusahaan.
G
Pemberian sekuritas oleh atau kepada orang dalam.
K
Swap ekuitas dan transaksi lindung nilai serupa
M
Pelaksanaan atau konversi sekuritas derivatif yang diterima dari perusahaan (seperti opsi)
V
Transaksi yang dilaporkan secara sukarela pada Formulir 4.
J
Lainnya (disertai dengan catatan kaki yang menjelaskan transaksi tersebut)