Recent Filings (11)

• Mar 31, 2026Form 4COGENT COMMUNICATIONS HOLDINGS, INC.+3,445 sh
• Mar 5, 2026Form 4COGENT COMMUNICATIONS HOLDINGS, INC.-3,300 sh
• Jan 5, 2026Form 4COGENT COMMUNICATIONS HOLDINGS, INC.+3,388 sh
• Nov 12, 2025Form 4COGENT COMMUNICATIONS HOLDINGS, INC.-2,400 sh
• Oct 1, 2025Form 4COGENT COMMUNICATIONS HOLDINGS, INC.+2,395 sh
• Aug 21, 2025Form 4COGENT COMMUNICATIONS HOLDINGS, INC.-2,000 sh
• Jul 1, 2025Form 4COGENT COMMUNICATIONS HOLDINGS, INC.+1,968 sh
• May 13, 2025Form 4COGENT COMMUNICATIONS HOLDINGS, INC.-1,450 sh
• Mar 31, 2025Form 4COGENT COMMUNICATIONS HOLDINGS, INC.+1,352 sh
• Mar 3, 2025Form 4COGENT COMMUNICATIONS HOLDINGS, INC.-1,425 sh
• Jan 2, 2025Form 4COGENT COMMUNICATIONS HOLDINGS, INC.+1,254 sh