Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:5214c635-81b3-ec9e-cad1-af78ccf8c326 2026-04-23T08:05:58-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services CCOI: SCHAEFFER DAVE (CB,CEO,PR,DIR) Acquired (JB) 29,333 Shares of COGENT COMMUNICATIONS HOLDINGS INC for $0.00 on 4/1 urn:uuid:df9bc64a-7397-3aae-d3f3-62c358bdaff8 2026-04-02T16:26:00-04:00 CCOI: SCHAEFFER DAVE (CB,CEO,PR,DIR) Disposed (JS) 88k Shares of COGENT COMMUNICATIONS HOLDINGS INC for $0.00 on 4/1 urn:uuid:a9ba2d15-ffc1-e4b6-0286-f140a765a66b 2026-04-02T16:26:00-04:00 CCOI: MONTAGNER MARC (DIR) Acquired (JB) 3,445 Shares of COGENT COMMUNICATIONS HOLDINGS INC for $0.00 on 3/31 urn:uuid:d85b0d38-2942-d009-09c7-446e61aaf96c 2026-03-31T17:39:55-04:00 CCOI: KENNEDY SHERYL LYNN (DIR) Acquired (JB) 3,445 Shares of COGENT COMMUNICATIONS HOLDINGS INC for $0.00 on 3/31 urn:uuid:36e53757-1d7e-0372-792d-5609dab4c49c 2026-03-31T17:38:44-04:00 CCOI: HOWELL DENEEN C (DIR) Acquired (JB) 3,445 Shares of COGENT COMMUNICATIONS HOLDINGS INC for $0.00 on 3/31 urn:uuid:1cf0f469-5691-b28c-bae5-0dc1b5cb33ce 2026-03-31T17:37:48-04:00 CCOI: HOWARD EVE N (DIR) Acquired (JB) 3,445 Shares of COGENT COMMUNICATIONS HOLDINGS INC for $0.00 on 3/31 urn:uuid:e4ce271c-8c68-9c5b-37b1-afea3c31a0cc 2026-03-31T17:34:10-04:00 CCOI: FERGUSON LEWIS H (DIR) Acquired (JB) 3,445 Shares of COGENT COMMUNICATIONS HOLDINGS INC for $0.00 on 3/31 urn:uuid:6ced2b5f-660c-b6ca-baad-fb3c9169fa98 2026-03-31T17:31:38-04:00 CCOI: DE SA PAUL (DIR) Acquired (JB) 3,445 Shares of COGENT COMMUNICATIONS HOLDINGS INC for $0.00 on 3/31 urn:uuid:c7f8a253-faf4-0e2b-a68c-506999343187 2026-03-31T17:30:24-04:00 CCOI: BROOKS STEVEN D (DIR) Acquired (JB) 3,445 Shares of COGENT COMMUNICATIONS HOLDINGS INC for $0.00 on 3/31 urn:uuid:0f0a5a20-613e-fe32-293f-2ae2960dfc51 2026-03-31T17:29:33-04:00 CCOI: KILMER HENRY W (VP) Sold (S) 2,400 Shares of COGENT COMMUNICATIONS HOLDINGS INC for $23.35 on 3/6 urn:uuid:f68c4d77-0b37-3684-4c71-04b30c652207 2026-03-09T08:52:46-04:00