Chang John B.

Companies where Chang John B. has traded

• COGENT COMMUNICATIONS HOLDINGS, INC.61 tx · $2.3M · Jan 5, 2026

Track record of Chang John B.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Chang John B.

Co-insiders of Chang John B.

• BACHMANN STEPHEN JCOGENT COMMUNICATIONS HOLDINGS, INC.
• Bath BlakeCOGENT COMMUNICATIONS HOLDINGS, INC.
• BCI HOLDINGS LPCOGENT COMMUNICATIONS HOLDINGS, INC.
• BERTRAND JEAN JACQUESCOGENT COMMUNICATIONS HOLDINGS, INC.
• BEURY ROBERT N JRCOGENT COMMUNICATIONS HOLDINGS, INC.
• BNP EUROPE TE LECOM & MEDIA FUND II LPCOGENT COMMUNICATIONS HOLDINGS, INC.
• BROADVIEW BCPSBS FUND LPCOGENT COMMUNICATIONS HOLDINGS, INC.
• BROADVIEW CAPITAL PARTNERS AFFILIATES FUND LLCOGENT COMMUNICATIONS HOLDINGS, INC.
• BROADVIEW CAPITAL PARTNERS LPCOGENT COMMUNICATIONS HOLDINGS, INC.
• BROADVIEW CAPITAL PARTNERS MANAGEMENT LLCCOGENT COMMUNICATIONS HOLDINGS, INC.
• BROADVIEW CAPITAL PARTNERS QUALIFIED PURCHASER FUND LPCOGENT COMMUNICATIONS HOLDINGS, INC.
• BROADWVIEW HOLDING LLPCOGENT COMMUNICATIONS HOLDINGS, INC.
• BROOKS STEVEN DCOGENT COMMUNICATIONS HOLDINGS, INC.
• BUBECK JAMESCOGENT COMMUNICATIONS HOLDINGS, INC.
• CARUS MICHAELCOGENT COMMUNICATIONS HOLDINGS, INC.
• Cisco Systems Capital CORPCOGENT COMMUNICATIONS HOLDINGS, INC.
• CISCO SYSTEMS INCCOGENT COMMUNICATIONS HOLDINGS, INC.
• Danielson Jeffrey SCOGENT COMMUNICATIONS HOLDINGS, INC.
• DENINGER PAUL FCOGENT COMMUNICATIONS HOLDINGS, INC.
• de Sa PaulCOGENT COMMUNICATIONS HOLDINGS, INC.
• FERGUSON Lewis HCOGENT COMMUNICATIONS HOLDINGS, INC.
• General Business Finance & Investments, Ltd.COGENT COMMUNICATIONS HOLDINGS, INC.
• GLASSMEYER EDWARD FCOGENT COMMUNICATIONS HOLDINGS, INC.
• Harris Mark AndrewCOGENT COMMUNICATIONS HOLDINGS, INC.
• Harrison R ReedCOGENT COMMUNICATIONS HOLDINGS, INC.
• Howard Eve NCOGENT COMMUNICATIONS HOLDINGS, INC.
• Howell Deneen CCOGENT COMMUNICATIONS HOLDINGS, INC.
• JERUSALEM PARTNERS III LPCOGENT COMMUNICATIONS HOLDINGS, INC.
• JERUSALEM PARTNERS IV LPCOGENT COMMUNICATIONS HOLDINGS, INC.