Chang John B. Insider Trades

Insider Trading History

Track insider trading activity for Chang John B.. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $3.27M 188,847 shares
Last Trade
Dec 31, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$2.36M 109,600 shares
$21.56
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.37M 79,247 shares
Last Trade
Dec 01, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$46.7k 2,400 shares
$19.47
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.33M 76,847 shares
Last Trade
Jun 02, 2025 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$18.4k 398 shares
$46.12
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $53.4k 3,089 shares
Last Trade
May 13, 2025 Purchase (Gift)Shares transferred as a gift rather than bought or sold for cash.
$25.8k 504 shares
$51.27
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.34M 77,245 shares
Last Trade
May 13, 2025 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$38.8k 756 shares
$51.27
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.35M 78,358 shares
Last Trade
Mar 10, 2025 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$24.9k 357 shares
$69.63
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.36M 78,715 shares
Last Trade
Mar 05, 2025 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$50.2k 715 shares
$70.19
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $44.7k 2,585 shares
Last Trade
Mar 05, 2025 Purchase (Gift)Shares transferred as a gift rather than bought or sold for cash.
$50.2k 715 shares
$70.19
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.37M 79,430 shares
Last Trade
Jan 09, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$702k 9,600 shares
$73.13
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.21M 69,830 shares
Last Trade
Dec 18, 2024 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$72k 970 shares
$74.18
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $16.2k 935 shares
Last Trade
Dec 18, 2024 Purchase (Gift)Shares transferred as a gift rather than bought or sold for cash.
$36k 485 shares
$74.18
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.22M 70,800 shares
Last Trade
Dec 04, 2024 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$71.9k 900 shares
$79.90
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.24M 71,700 shares
Last Trade
Dec 01, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$197k 2,400 shares
$82.19
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.2M 69,300 shares
Last Trade
Nov 12, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$183k 2,280 shares
$80.41
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.24M 71,580 shares
Last Trade
Sep 12, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$100k 1,400 shares
$71.67
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.26M 72,980 shares
Last Trade
Aug 23, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$152k 2,055 shares
$74.00
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $1.3M 75,035 shares
Last Trade
Feb 01, 2024 Sale (Gift)Shares transferred as a gift rather than bought or sold for cash.
$28.4k 375 shares
$75.73
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $6.48k 375 shares
Last Trade
Feb 01, 2024 Purchase (Gift)Shares transferred as a gift rather than bought or sold for cash.
$28.4k 375 shares
$75.73
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $662k 38,310 shares
Last Trade
Dec 26, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$270k 3,550 shares
$76.00
$17.29
Cogent Communications Holdings
Cogent Communications Holdings CCOI
VP & CHIEF LEGAL OFFICER
Holding Value $724k 41,860 shares
Last Trade
Dec 21, 2023 Sale (Open Market)Shares sold on the open market or in a private sale.
$74k 1,000 shares
$74.00
$17.29

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