John B. Chang
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.
Award(A)Direct9.6K shares- - Dec 31, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Award(A)Direct100K shares- - Dec 1, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Award(A)Direct2.4K shares- - Jun 2, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Gift(G)Direct398 shares- - May 13, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Gift(G)Indirect504 shares- - May 13, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Gift(G)Direct756 shares- - Apr 10, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Gift(G)Direct357 shares- - Mar 10, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Gift(G)Direct357 shares- - Mar 5, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Gift(G)Indirect715 shares- - Mar 5, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Gift(G)Direct715 shares- - Jan 9, 2025CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Award(A)Direct9.6K shares- - Dec 18, 2024CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Gift(G)Direct970 shares- - Dec 18, 2024CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Gift(G)Indirect485 shares- - Dec 18, 2024CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Gift(G)Indirect485 shares- - Dec 4, 2024CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Gift(G)Direct900 shares- - Dec 1, 2024CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Award(A)Direct2.4K shares- - Nov 12, 2024CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Sale(S)Direct2.3K shares at avg. $80.41$183K - Sep 12, 2024CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
Sale(S)Direct1.4K shares at avg. $71.67$100K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Dec 31, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Award(A) | 9,600 | - | $0 | Direct |
| Dec 31, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Award(A) | 100,000 | - | $0 | Direct |
| Dec 1, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Award(A) | 2,400 | - | - | Direct |
| Jun 2, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift(G) | 398 | - | - | Direct |
| May 13, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift(G) | 504 | - | - | Indirect |
| May 13, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift(G) | 756 | - | - | Direct |
| Apr 10, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift(G) | 357 | - | - | Direct |
| Mar 10, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift(G) | 357 | - | - | Direct |
| Mar 5, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift(G) | 715 | - | - | Indirect |
| Mar 5, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift(G) | 715 | - | - | Direct |
| Jan 9, 2025 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Award(A) | 9,600 | - | $0 | Direct |
| Dec 18, 2024 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift(G) | 970 | - | $0 | Direct |
| Dec 18, 2024 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift(G) | 485 | - | $0 | Indirect |
| Dec 18, 2024 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift(G) | 485 | - | $0 | Indirect |
| Dec 4, 2024 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Gift(G) | 900 | - | $0 | Direct |
| Dec 1, 2024 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Award(A) | 2,400 | - | $0 | Direct |
| Nov 12, 2024 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Sale(S) | 2,280 | $80.41 | $183,328 | Direct |
| Sep 12, 2024 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Sale(S) | 1,400 | $71.67 | $100,338 | Direct |
1-18 of 18 transactions
About Chang John B.
Chang John B. (SEC CIK 0001775672) files insider reports with the SEC as VP & CHIEF LEGAL OFFICER of COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI).
Signal8 holds 13 ownership filings by Chang John B., all Form 4s, filed between Sep 13, 2024 and Jan 5, 2026. Those filings report 18 transactions, from Sep 12, 2024 to Dec 31, 2025. Signal8's Form 4 history starts in Sep 2024.
The business address on Chang John B.'s filings is in WASHINGTON, DC.
Recent filings by Chang John B.
Other insiders filing for COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI)
- Montagner Marc, Officer
- Kennedy Sheryl Lynn, Officer
- Howell Deneen C, Officer
- Howard Eve N, Officer
- FERGUSON Lewis H, Officer
- de Sa Paul, Officer