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Chang John B.
InsiderCIK 0001775672
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 1
- Buy transactions
- 0
- Sell transactions
- 0
- Companies
- 1
- Active
- 2025
Chang John B. has filed 1 SEC report (2025), all concentrated in COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI), totaling $0 in disclosed volume. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
1 loaded
| Dec 2 | CCOI COGENT COMMUNICATIONS HOLDINGS, INC. | Chang John B. | Insider | Grant | $0 |
1 filing