InsiderTrades

Chang John B.

SEC CIK 1775672 · EDGAR

Buying vs selling by month open-market trades, last 55 months, CCOI
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CCOICOGENT COMMUNICATIONS HOLDINGS, INC.VP, CLO 88.8K — $1.64M 412022-01-032025-12-31

Most active insiders at CCOI, 12 months

#InsiderTitleBoughtSold
1 WEED THADDEUS GERARDVP, CFO —$411.8K
2 KILMER HENRY WVP OF NETWORK STRATEGY —$214.0K
3 FERGUSON Lewis HDir —$189.2K
4 Kennedy Sheryl LynnDir —$180.6K
5 Harris Mark AndrewVP, Chief Revenue Off ——
6 Howard Eve NDir ——
7 Howell Deneen CDir ——
8 de Sa PaulDir ——
9 Chang John B.VP, CLO ——
10 Montagner MarcDir ——

Transactions 41

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
M 2026-01-05 2025-12-31 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO A - Grant $0.00 +109.6K 88.8K New $0
2025-12-02 2025-12-01 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO A - Grant $0.00 +2,400 79.2K +3% $0
2025-06-03 2025-06-02 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 -398 76.8K -0.5% $0
2025-05-15 2025-05-13 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 -756 77.2K -1.0% $0
I 2025-05-15 2025-05-13 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 +504 3,089 +19% $0
2025-04-11 2025-04-10 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 -357 78.0K -0.5% $0
2025-03-12 2025-03-10 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 -357 78.4K -0.5% $0
2025-03-07 2025-03-05 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 -715 78.7K -0.9% $0
I 2025-03-07 2025-03-05 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 +715 2,585 +38% $0
2025-01-13 2025-01-09 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO A - Grant $0.00 +9,600 79.4K +14% $0
2024-12-19 2024-12-18 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 -970 69.8K -1% $0
MI 2024-12-19 2024-12-18 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 +970 935 New $0
2024-12-06 2024-12-04 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 -900 70.8K -1% $0
2024-12-03 2024-12-01 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO A - Grant $0.00 +2,400 71.7K +3% $0
2024-11-12 2024-11-12 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO S - Sale $80.41 -2,280 69.3K -3% -$183.3K
2024-09-13 2024-09-12 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO S - Sale $71.67 -1,400 71.6K -2% -$100.3K
2024-08-26 2024-08-23 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO S - Sale $74.00 -2,055 73.0K -3% -$152.1K
2024-02-01 2024-02-01 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 -375 75.0K -0.5% $0
I 2024-02-01 2024-02-01 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 +375 375 New $0
MA 2024-01-30 2024-01-03 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO A - Grant $0.00 +39.6K 75.4K +111% $0
M 2024-01-05 2024-01-03 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO A - Grant $0.00 +39.6K 77.9K +103% $0
2023-12-28 2023-12-26 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO S - Sale $76.00 -3,550 38.3K -8% -$269.8K
2023-12-22 2023-12-21 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO S - Sale $74.00 -1,000 41.9K -2% -$74.0K
2023-12-20 2023-12-20 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 -900 42.9K -2% $0
MI 2023-12-20 2023-12-20 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO G - Gift $0.00 +900 450 New $0
2023-12-15 2023-12-14 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO S - Sale $72.00 -500 43.8K -1% -$36.0K
2023-12-11 2023-12-11 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO D - Sale to Iss $69.00 -3,000 44.3K -6% -$207.0K
2023-12-01 2023-12-01 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO A - Grant $0.00 +2,400 47.3K +5% $0
M 2023-05-04 2023-05-03 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO S - Sale $73.00 -5,000 42.4K -11% -$365.0K
2023-04-18 2023-04-17 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO S - Sale $70.00 -500 47.4K -1% -$35.0K
2023-02-02 2023-02-01 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. CLO S - Sale $70.00 -2,000 47.9K -4% -$140.0K
2023-01-27 2023-01-26 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. CLO S - Sale $68.00 -500 49.9K -1.0% -$34.0K
2023-01-18 2023-01-17 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. CLO S - Sale $66.00 -1,000 50.4K -2% -$66.0K
2023-01-13 2023-01-12 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. CLO S - Sale $64.00 -1,500 51.4K -3% -$96.0K
2023-01-04 2023-01-03 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. CLO A - Grant $0.00 +9,600 52.9K +22% $0
2022-12-01 2022-12-01 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. Dir A - Grant $0.00 +2,400 43.3K +6% $0
M 2022-04-07 2022-04-05+ CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. Dir S - Sale $71.00 -500 41.1K -1% -$35.5K
2022-04-04 2022-04-01 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. Dir S - Sale $68.00 -150 41.4K -0.4% -$10.2K
2022-04-01 2022-03-31 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO S - Sale $66.00 -150 41.5K -0.4% -$9,900
2022-03-18 2022-03-17 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO S - Sale $62.96 -600 41.7K -1% -$37.8K
2022-01-05 2022-01-03 CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Chang John B. VP, CLO A - Grant $0.00 +9,600 42.3K +29% $0

Purchase Sale Sale after option exercise All abbreviations