Chang John B.
SEC insider (Form 3/4/5 filer). CIK 0001775672. VP & CHIEF LEGAL OFFICER at COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI). 18 reported Form 4/5 transactions since Sep 2024; latest on Dec 31, 2025. Located in WASHINGTON, DC.
Companies Chang John B. has filed insider reports for
- COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI): Officer, VP & CHIEF LEGAL OFFICER
Chang John B.
CIK: 0001775672
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
COGENT COMMUNICATIONS HOLDINGS, INC.
Discretionary Trading P&L
Holdings
Transaction History (18 total)
- Dec 31, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
AwardDirect9.6K shares- - Dec 31, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
AwardDirect100K shares- - Dec 1, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
AwardDirect2.4K shares- - Jun 2, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
GiftDirect398 shares- - May 13, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
GiftIndirect504 shares- - May 13, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
GiftDirect756 shares- - Apr 10, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
GiftDirect357 shares- - Mar 10, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
GiftDirect357 shares- - Mar 5, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
GiftIndirect715 shares- - Mar 5, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
GiftDirect715 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Dec 31, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Award | 9,600 | - | $0 | Direct |
| Dec 31, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Award | 100,000 | - | $0 | Direct |
| Dec 1, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Award | 2,400 | - | - | Direct |
| Jun 2, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift | 398 | - | - | Direct |
| May 13, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift | 504 | - | - | Indirect |
| May 13, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift | 756 | - | - | Direct |
| Apr 10, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift | 357 | - | - | Direct |
| Mar 10, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift | 357 | - | - | Direct |
| Mar 5, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift | 715 | - | - | Indirect |
| Mar 5, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift | 715 | - | - | Direct |
1-10 of 18 transactions