Cogent Communications Holdings, Inc.
US ˙ NasdaqGS ˙ US19239V3024

SecurityCCOI / Cogent Communications Holdings, Inc.
InsiderSteven D Brooks
This page shows the track record and history of BROOKS STEVEN D 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 Steven D Brooks 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 Steven D Brooks 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 (%)
2023-06-14 4,202 65.0000 4,202 65.0000 273,130 365 51.7800 -55,550 -20.34
2023-05-11 3,798 65.0012 3,798 65.0012 246,875
2021-05-03 5,750 76.0845 5,750 76.0845 437,486
2019-03-12 9,900 50.1293 9,900 50.1293 496,280
2018-05-16 2,000 50.6488 2,000 50.6488 101,298
2018-05-08 5,000 48.3393 5,000 48.3393 241,696
2017-08-07 10,000 43.2495 10,000 43.2495 432,495
2017-03-16 3,000 41.7717 3,000 41.7717 125,315
2016-03-01 5,000 37.7147 5,000 37.7147 188,574
2016-02-29 5,000 36.8737 5,000 36.8737 184,368
2013-06-14 3,000 27.6710 3,000 27.6710 83,013
2012-09-14 5,000 20.9267 5,000 20.9267 104,634

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
2025-07-01 2025-06-30 4 BROOKS STEVEN D CCOI common stock A - Award D 1,968 46,020
2025-03-31 2025-03-31 4 BROOKS STEVEN D CCOI common stock A - Award D 1,352 44,052
2025-01-22 2025-01-21 4 BROOKS STEVEN D CCOI common stock G - Gift D -299 42,700
2025-01-03 2025-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,254 42,999
2024-10-22 2024-10-01 4/A BROOKS STEVEN D CCOI common stock A - Award D 1,452 41,745
2024-10-01 2024-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,452 42,045
2024-07-02 2024-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,675 40,593
2024-04-02 2024-03-22 4 BROOKS STEVEN D CCOI common stock G - Gift D -300 38,618
2024-04-01 2024-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,370 38,918
2024-01-03 2024-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,403 41,224
2024-01-03 2024-01-01 4/A BROOKS STEVEN D CCOI common stock A - Award D 1,403 37,548
2023-10-03 2023-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,433 36,145
2023-10-02 2023-01-03 4/A BROOKS STEVEN D CCOI common stock A - Award D 1,709 39,821
2023-07-05 2023-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,435 34,712
2023-06-16 2023-06-14 4 BROOKS STEVEN D CCOI common stock S - Sale D 65.0000 -4,202 -273 33,277
2023-05-12 2023-05-11 4 BROOKS STEVEN D CCOI common stock S - Sale D 65.0012 -3,798 -247 37,479
2023-04-05 2023-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,456 41,277
2023-01-04 2023-10-03 4 BROOKS STEVEN D CCOI common stock A - Award D 1,709 39,821
2022-10-03 2022-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,626 38,112
2022-07-05 2022-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,524 36,486
2022-04-01 2022-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,462 34,962
2021-10-01 2021-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 33,500
2021-07-02 2021-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 31,750
2021-05-04 2021-05-03 4 BROOKS STEVEN D CCOI common stock S - Sale D 76.0845 -5,750 -437 30,000
2021-04-01 2021-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 35,750
2021-01-04 2021-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 34,000
2020-10-01 2020-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 32,250
2020-07-01 2020-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 30,500
2020-04-01 2020-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 28,750
2020-01-02 2020-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 27,000
2019-10-01 2019-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 25,250
2019-07-02 2019-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 23,500
2019-04-02 2019-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 21,750
2019-03-13 2019-03-12 4 BROOKS STEVEN D CCOI common stock S - Sale D 50.1293 -9,900 -496 20,000
2019-01-03 2019-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 29,900
2018-10-01 2018-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 28,150
2018-07-03 2018-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 26,400
2018-05-17 2018-05-16 4 BROOKS STEVEN D CCOI common stock S - Sale D 50.6488 -2,000 -101 24,650
2018-05-09 2018-05-08 4 BROOKS STEVEN D CCOI common stock S - Sale D 48.3393 -5,000 -242 26,650
2018-04-02 2018-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 31,650
2018-01-02 2018-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 29,900
2017-10-03 2017-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 28,150
2017-08-08 2017-08-07 4 BROOKS STEVEN D CCOI common stock S - Sale D 43.2495 10,000 432 26,400
2017-07-03 2017-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 36,400
2017-05-03 2017-05-03 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 34,650
2017-03-16 2017-03-16 4 BROOKS STEVEN D CCOI common stock S - Sale D 41.7717 -3,000 -125 32,900
2017-01-03 2017-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,750 35,900
2016-10-03 2016-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 34,150
2016-07-01 2016-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 32,275
2016-04-04 2016-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 30,400
2016-03-02 2016-03-01 4 BROOKS STEVEN D CCOI common stock S - Sale D 37.7147 -5,000 -189 28,525
2016-03-02 2016-02-29 4 BROOKS STEVEN D CCOI common stock S - Sale D 36.8737 -5,000 -184 33,525
2016-01-05 2016-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 38,525
2015-10-01 2015-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 36,650
2015-07-01 2015-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 34,775
2015-04-01 2015-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 32,900
2015-01-02 2015-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 31,025
2014-10-01 2014-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 29,150
2014-07-01 2014-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 27,275
2014-04-01 2014-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 25,400
2014-01-03 2014-01-02 4 BROOKS STEVEN D CCOI common stock S - Sale D 39.8838 -2,000 -80 23,525
2014-01-03 2014-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 1,875 25,525
2013-10-02 2013-10-01 4 BROOKS STEVEN D CCOI common stock S - Sale D 32.2650 -2,000 -65 23,650
2013-10-02 2013-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 2,500 25,650
2013-07-02 2013-07-01 4 BROOKS STEVEN D CCOI common stock S - Sale D 28.2959 -2,000 -57 23,150
2013-07-02 2013-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 2,500 25,150
2013-06-18 2013-06-14 4 BROOKS STEVEN D CCOI common stock S - Sale D 27.6710 -3,000 -83 22,650
2013-04-02 2013-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 2,500 25,650
2013-01-02 2013-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 2,500 23,150
2012-10-01 2012-10-01 4 BROOKS STEVEN D CCOI common stock A - Award D 2,500 20,650
2012-09-17 2012-09-14 4 BROOKS STEVEN D CCOI common stock S - Sale D 20.9267 -5,000 -105 18,150
2012-07-02 2012-07-01 4 BROOKS STEVEN D CCOI common stock A - Award D 2,500 23,150
2012-04-02 2012-04-01 4 BROOKS STEVEN D CCOI common stock A - Award D 2,500 20,650
2012-01-03 2012-01-01 4 BROOKS STEVEN D CCOI common stock A - Award D 2,500 18,150
2004-03-31 2004-03-30 4 BROOKS STEVEN D See Note COI Series J Participating Convertible Preferred Stock J - Other I 176 176
2004-03-31 2004-03-30 4 BROOKS STEVEN D See Note COI Series J Participating Convertible Preferred Stock J - Other I 24 24
2003-08-13 2003-07-31 4 BROOKS STEVEN D See Note COI Common Stock C - Conversion I 1,184 1,184
2003-08-13 2003-07-31 4 BROOKS STEVEN D See Note COI Common Stock C - Conversion I 18,852 18,852
2003-08-13 2003-07-31 4 BROOKS STEVEN D See Note COI Common Stock C - Conversion I 103,064 103,064
2003-08-13 2003-07-31 4 BROOKS STEVEN D See Note COI Common Stock C - Conversion I 745,906 745,906
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)