Cogent Communications Holdings, Inc.
US ˙ NasdaqGS ˙ US19239V3024

SecurityCCOI / Cogent Communications Holdings, Inc.
InsiderThaddeus Gerard Weed
This page shows the track record and history of WEED THADDEUS GERARD 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 Thaddeus Gerard Weed 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 Thaddeus Gerard Weed 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 (%)
2025-09-02 4,900 36.9800 4,900 36.9800 181,202 8 35.3000 -8,232 -4.54
2025-06-09 4,900 48.0400 4,900 48.0400 235,396
2025-05-28 100 47.6650 100 47.6650 4,766
2025-05-16 0 0
2025-03-03 4,900 72.0632 4,900 72.0632 353,110
2024-12-02 4,800 81.5800 4,800 81.5800 391,584
2024-09-03 2,400 69.6757 2,400 69.6757 167,222
2024-06-10 2,400 52.6050 2,400 52.6050 126,252
2024-03-12 2,400 68.1700 2,400 68.1700 163,608
2023-12-04 9,700 65.8398 9,700 65.8398 638,646
2023-09-05 4,850 69.4300 4,850 69.4300 336,736
2023-06-05 4,850 62.2752 4,850 62.2752 302,035
2023-05-09 10,000 64.9600 10,000 64.9600 649,600
2023-03-03 4,850 64.3000 4,850 64.3000 311,855
2022-12-02 9,700 56.5116 9,700 56.5116 548,163
2022-09-09 4,850 52.3463 4,850 52.3463 253,880
2022-06-02 4,850 60.4900 4,850 60.4900 293,376
2019-12-03 5,000 61.7400 5,000 61.7400 308,700
2019-09-05 5,000 60.0000 5,000 60.0000 300,000
2019-06-13 1,400 60.8400 1,400 60.8400 85,176
2019-06-05 5,000 58.5000 5,000 58.5000 292,500
2019-05-06 1,500 57.1085 1,500 57.1085 85,663
2019-03-12 5,000 50.0000 5,000 50.0000 250,000
2018-12-14 3,000 46.8860 3,000 46.8860 140,658
2018-09-05 4,500 53.5500 4,500 53.5500 240,975
2018-06-04 4,500 51.1198 4,500 51.1198 230,039
2018-05-09 3,000 49.3173 3,000 49.3173 147,952
2018-03-12 6,000 45.1691 6,000 45.1691 271,015
2017-12-07 2,000 45.8082 2,000 45.8082 91,616
2017-09-01 3,000 47.0309 3,000 47.0309 141,093
2017-08-07 2,250 43.5100 2,250 43.5100 97,898
2017-06-15 2,250 40.7590 2,250 40.7590 91,708
2017-06-02 2,250 41.2010 2,250 41.2010 92,702
2017-03-15 2,250 41.1666 2,250 41.1666 92,625
2017-01-03 20,000 41.5163 20,000 41.5163 830,326
2016-12-13 2,000 40.6750 2,000 40.6750 81,350
2016-12-07 5,000 37.9060 5,000 37.9060 189,530
2016-06-03 5,000 40.0665 5,000 40.0665 200,332
2016-05-09 4,250 39.1419 4,250 39.1419 166,353
2016-02-29 5,250 36.8667 5,250 36.8667 193,550
2015-11-09 10,000 34.6132 10,000 34.6132 346,132
2015-03-16 4,250 35.2581 4,250 35.2581 149,847
2014-09-09 5,250 34.0729 5,250 34.0729 178,883
2014-06-12 7,500 35.3353 7,500 35.3353 265,015
2013-05-09 11,250 28.8500 11,250 28.8500 324,562
2013-03-14 5,000 25.7094 5,000 25.7094 128,547
2013-02-25 5,000 25.2149 5,000 25.2149 126,074
2012-11-28 10,000 21.1000 10,000 21.1000 211,000
2012-03-15 8,750 18.5568 8,750 18.5568 162,372
2012-02-29 4,500 18.4835 4,500 18.4835 83,176
2012-02-27 7,500 18.3600 7,500 18.3600 137,700

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
2025-09-02 2025-09-02 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 36.9800 -4,900 -181 93,100
2025-06-09 2025-06-09 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 48.0400 -4,900 -235 98,000
2025-05-29 2025-05-28 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 47.6650 -100 -5 102,900
2025-05-19 2025-05-16 4/A WEED THADDEUS GERARD CCOI common stock S - Sale D 0 103,000
2025-05-16 2025-05-16 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 50.4100 -100 -5 102,900
2025-03-04 2025-03-03 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 72.0632 -4,900 -353 103,000
2025-01-13 2025-01-09 4 WEED THADDEUS GERARD CCOI common stock A - Award D 19,400 107,900
2024-12-03 2024-12-02 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 81.5800 -4,800 -392 88,500
2024-12-03 2024-12-01 4 WEED THADDEUS GERARD CCOI common stock A - Award D 2,400 93,300
2024-09-03 2024-09-03 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 69.6757 -2,400 -167 90,900
2024-06-10 2024-06-10 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 52.6050 -2,400 -126 93,300
2024-03-14 2024-03-12 4/A WEED THADDEUS GERARD CCOI common stock S - Sale D 68.1700 -2,400 -164 95,700
2024-03-12 2024-03-12 4 WEED THADDEUS GERARD CCOI common stock D - Sale to Issuer D 68.1700 -2,400 -164 95,700
2024-01-05 2024-01-03 4 WEED THADDEUS GERARD CCOI common stock A - Award D 30,000 98,100
2024-01-05 2024-01-03 4 WEED THADDEUS GERARD CCOI common stock A - Award D 19,400 68,100
2023-12-04 2023-12-01 4 WEED THADDEUS GERARD CCOI common stock A - Award D 4,850 58,400
2023-12-04 2023-12-04 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 65.8398 -9,700 -639 48,700
2023-09-05 2023-09-05 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 69.4300 -4,850 -337 53,550
2023-06-05 2023-06-05 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 62.2752 -4,850 -302 58,400
2023-05-10 2023-05-09 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 64.9600 -10,000 -650 63,250
2023-03-06 2023-03-03 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 64.3000 -4,850 -312 73,250
2023-01-04 2023-01-03 4 WEED THADDEUS GERARD CCOI common stock A - Award D 10,000 78,100
2023-01-04 2023-01-03 4 WEED THADDEUS GERARD CCOI common stock A - Award D 19,400 68,100
2022-12-02 2022-12-02 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 56.5116 -9,700 -548 48,700
2022-12-01 2022-12-01 4 WEED THADDEUS GERARD CCOI common stock A - Award D 4,850 58,400
2022-09-12 2022-09-09 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 52.3463 -4,850 -254 53,550
2022-06-03 2022-06-02 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 60.4900 -4,850 -293 58,400
2022-05-05 2022-05-04 4 WEED THADDEUS GERARD CCOI common stock A - Award D 10,000 63,250
2022-04-29 3 WEED THADDEUS GERARD CCOI common stock D 53,250
2020-03-04 2020-03-03 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 81.3715 -4,850 -395 72,850
2020-02-18 2020-02-14 4 WEED THADDEUS GERARD CCOI common stock A - Award D 19,400 77,700
2020-01-02 2019-12-31 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 66.0725 -4,250 -281 58,300
2019-12-04 2019-12-03 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 61.7400 -5,000 -309 62,550
2019-09-05 2019-09-05 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 60.0000 -5,000 -300 67,550
2019-06-13 2019-06-13 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 60.8400 -1,400 -85 72,550
2019-06-06 2019-06-05 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 58.5000 -5,000 -292 73,950
2019-05-07 2019-05-06 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 57.1085 -1,500 -86 78,950
2019-05-01 2019-05-01 4 WEED THADDEUS GERARD CCOI common stock A - Award D 19,400 80,450
2019-03-12 2019-03-12 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 50.0000 -5,000 -250 61,050
2018-12-14 2018-12-14 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 46.8860 -3,000 -141 66,050
2018-09-05 2018-09-05 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 53.5500 -4,500 -241 69,050
2018-06-05 2018-06-04 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 51.1198 -4,500 -230 73,550
2018-05-09 2018-05-09 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 49.3173 -3,000 -148 78,050
2018-03-12 2018-03-12 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 45.1691 -6,000 -271 81,050
2018-02-22 2018-02-21 4 WEED THADDEUS GERARD CCOI common stock A - Award D 19,400 87,050
2017-12-07 2017-12-07 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 45.8082 -2,000 -92 67,650
2017-09-05 2017-09-01 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 47.0309 -3,000 -141 69,650
2017-08-07 2017-08-07 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 43.5100 -2,250 -98 72,650
2017-06-15 2017-06-15 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 40.7590 -2,250 -92 74,900
2017-06-05 2017-06-02 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 41.2010 -2,250 -93 77,150
2017-05-03 2017-05-03 4 WEED THADDEUS GERARD CCOI common stock A - Award D 19,400 79,400
2017-03-15 2017-03-15 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 41.1666 -2,250 -93 60,000
2017-01-05 2017-01-04 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 42.5000 -5,000 -212 62,250
2017-01-03 2017-01-03 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 41.5163 -20,000 -830 67,250
2016-12-13 2016-12-13 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 40.6750 -2,000 -81 87,250
2016-12-07 2016-12-07 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 37.9060 -5,000 -190 89,250
2016-06-03 2016-06-03 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 40.0665 -5,000 -200 94,250
2016-05-10 2016-05-09 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 39.1419 -4,250 -166 99,250
2016-05-05 2016-05-04 4 WEED THADDEUS GERARD CCOI common stock A - Award D 24,250 103,500
2016-02-29 2016-02-29 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 36.8667 -5,250 -194 79,250
2015-11-09 2015-11-09 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 34.6132 -10,000 -346 84,500
2015-03-16 2015-03-16 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 35.2581 -4,250 -150 94,500
2014-11-04 2014-11-03 4 WEED THADDEUS GERARD CCOI common stock A - Award D 36,000 98,750
2014-09-09 2014-09-09 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 34.0729 -5,250 -179 62,750
2014-06-13 2014-06-12 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 35.3353 -7,500 -265 68,000
2013-05-10 2013-05-09 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 28.8500 -11,250 -325 75,499
2013-03-14 2013-03-14 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 25.7094 -5,000 -129 86,749
2013-02-25 2013-02-25 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 25.2149 -5,000 -126 91,749
2013-01-16 2013-01-15 4 WEED THADDEUS GERARD CCOI common stock D - Sale to Issuer D -12,000 96,749
2012-11-28 2012-11-28 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 21.1000 -10,000 -211 108,749
2012-09-06 2012-09-06 4 WEED THADDEUS GERARD CCOI common stock D - Sale to Issuer D 20.1300 -5,000 -101 118,749
2012-04-20 2012-04-19 4 WEED THADDEUS GERARD CCOI common stock A - Award D 73,000 123,749
2012-03-15 2012-03-15 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 18.5568 -8,750 -162 50,749
2012-02-29 2012-02-29 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 18.4835 -4,500 -83 59,499
2012-02-27 2012-02-27 4 WEED THADDEUS GERARD CCOI common stock S - Sale D 18.3600 -7,500 -138 63,999
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)