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COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI)

Nasdaq · CIK 0001158324

Form Report Date Filing Date Description
10-Q 2026-06-30 2026-08-06 10-Q
8-K 2026-08-06 2026-08-06 FORM 8-K
8-K 2026-06-29 2026-06-29 FORM 8-K
8-K 2026-06-15 2026-06-15 FORM 8-K
8-K 2026-05-22 2026-05-26 FORM 8-K
8-K 2026-05-01 2026-05-04 FORM 8-K
10-Q 2026-03-31 2026-05-04 10-Q
8-K 2026-05-04 2026-05-04 FORM 8-K
10-K 2025-12-31 2026-02-20 10-K
8-K 2026-02-20 2026-02-20 FORM 8-K
8-K 2025-12-31 2026-01-07 FORM 8-K
8-K 2025-11-17 2025-11-17 FORM 8-K
10-Q 2025-09-30 2025-11-06 10-Q
8-K 2025-11-06 2025-11-06 FORM 8-K
8-K 2025-08-11 2025-08-15 FORM 8-K
10-Q 2025-06-30 2025-08-07 10-Q
8-K 2025-08-07 2025-08-07 FORM 8-K
8-K 2025-06-17 2025-06-17 FORM 8-K
8-K 2025-06-03 2025-06-03 FORM 8-K
8-K 2025-06-02 2025-06-02 FORM 8-K
8-K 2025-05-07 2025-05-08 FORM 8-K
10-Q 2025-03-31 2025-05-08 10-Q
8-K 2025-05-08 2025-05-08 FORM 8-K
8-K 2025-04-11 2025-04-11 FORM 8-K
8-K 2025-04-04 2025-04-04 FORM 8-K
8-K 2025-03-11 2025-03-12 FORM 8-K
10-K 2024-12-31 2025-02-28 10-K
8-K 2025-02-27 2025-02-27 FORM 8-K
8-K 2025-01-09 2025-01-15 FORM 8-K
10-Q 2024-09-30 2024-11-07 10-Q
8-K 2024-11-07 2024-11-07 FORM 8-K
10-Q 2024-06-30 2024-08-08 10-Q
8-K 2024-08-08 2024-08-08 FORM 8-K
8-K 2024-06-11 2024-06-11 FORM 8-K
8-K 2024-06-06 2024-06-06 FORM 8-K
8-K 2024-06-05 2024-06-05 FORM 8-K
10-Q 2024-03-31 2024-05-09 10-Q
8-K 2024-05-09 2024-05-09 FORM 8-K
8-K 2024-05-08 2024-05-08 FORM 8-K
8-K 2024-05-02 2024-05-06 FORM 8-K
8-K 2024-04-25 2024-04-25 FORM 8-K
8-K 2024-04-19 2024-04-19 FORM 8-K
10-K 2023-12-31 2024-02-29 10-K
8-K 2024-02-29 2024-02-29 FORM 8-K
8-K 2024-01-03 2024-01-05 FORM 8-K
10-Q 2023-09-30 2023-11-09 10-Q
8-K 2023-11-09 2023-11-09 FORM 8-K
8-K 2023-08-28 2023-08-29 FORM 8-K
8-K 2023-08-10 2023-08-10 FORM 8-K
10-Q 2023-06-30 2023-08-09 10-Q
8-K 2023-07-25 2023-07-27 FORM 8-K
10-Q 2023-03-31 2023-05-05 FORM-10-Q
8-K 2023-05-03 2023-05-04 FORM 8-K
8-K 2023-05-04 2023-05-04 FORM 8-K
8-K 2023-05-01 2023-05-01 FORM 8-K
10-K 2022-12-31 2023-02-24 FORM 10K
8-K 2023-02-23 2023-02-23 FORM 8-K
8-K 2023-01-06 2023-01-11 FORM 8-K
8-K 2023-01-03 2023-01-06 FORM 8-K
10-Q 2022-09-30 2022-11-04 FORM 10-Q
8-K 2022-11-03 2022-11-03 FORM 8-K
8-K 2022-09-06 2022-09-07 FORM 8-K
10-Q 2022-06-30 2022-08-05 FORM 10-Q
8-K 2022-08-04 2022-08-04 FORM 8-K
8-K 2022-06-27 2022-06-27 FORM 8-K
8-K 2022-06-22 2022-06-22 FORM 8-K
8-K 2022-06-07 2022-06-07 FORM 8-K
8-K 2022-06-06 2022-06-06 FORM 8-K
8-K 2022-05-04 2022-05-05 FORM 8-K
10-Q 2022-03-31 2022-05-05 FORM 10-Q
8-K 2022-05-04 2022-05-04 FORM 8-K
8-K 2022-04-29 2022-04-29 FORM 8-K
8-K 2022-04-29 2022-04-29 FORM 8-K
10-K 2021-12-31 2022-02-25 FORM 10-K
8-K 2022-02-24 2022-02-24 FORM 8-K
8-K 2022-01-03 2022-01-05 FORM 8-K
8-K 2021-12-23 2021-12-30 FORM 8-K
10-Q 2021-09-30 2021-11-04 10-Q
8-K 2021-11-04 2021-11-04 FORM 8-K
10-Q 2021-06-30 2021-08-05 FORM 10-Q
8-K 2021-08-05 2021-08-05 FORM 8-K
8-K 2021-06-04 2021-06-04 FORM 8-K
8-K 2021-05-07 2021-05-11 FORM 8-K
8-K 2021-04-30 2021-04-30 FORM 8-K
8-K 2021-04-29 2021-04-29 FORM 8-K
8-K 2021-04-29 2021-04-29 FORM 8-K
10-Q 2021-03-31 2021-04-28 FORM 10-Q
8-K 2021-04-28 2021-04-28 FORM 8-K
8-K 2021-04-28 2021-04-28 FORM 8-K
8-K 2021-04-06 2021-04-06 FORM 8-K
8-K 2021-03-23 2021-03-26 FORM 8-K
8-K 2021-02-24 2021-02-26 FORM 8-K
10-K 2020-12-31 2021-02-26 10-K
8-K 2021-02-25 2021-02-25 FORM 8-K
10-Q 2020-09-30 2020-11-05 10-Q
8-K 2020-11-05 2020-11-05 FORM 8-K
10-Q 2020-06-30 2020-08-06 10-Q
8-K 2020-08-06 2020-08-06 FORM 8-K
8-K 2020-06-09 2020-06-10 FORM 8-K
8-K 2020-06-03 2020-06-09 FORM 8-K
8-K 2020-05-19 2020-05-19 FORM 8-K
8-K 2020-05-19 2020-05-19 FORM 8-K
8-K 2020-05-11 2020-05-11 FORM 8-K
8-K 2020-05-08 2020-05-08 FORM 8-K
10-Q 2020-03-31 2020-05-07 10-Q
8-K 2020-05-07 2020-05-07 FORM 8-K
8-K 2020-05-06 2020-05-06 FORM 8-K
8-K 2020-03-17 2020-03-18 FORM 8-K
8-K 2020-02-28 2020-03-02 FORM 8-K
10-K 2019-12-31 2020-02-28 10-K
8-K 2020-02-27 2020-02-27 FORM 8-K
8-K 2020-02-14 2020-02-19 FORM 8-K
10-Q 2019-09-30 2019-11-07 10-Q
8-K 2019-11-04 2019-11-07 FORM 8-K
10-Q 2019-06-30 2019-08-08 FORM 10-Q
8-K 2019-08-08 2019-08-08 FORM 8-K
8-K 2019-06-25 2019-06-25 8-K
8-K 2019-06-20 2019-06-20 8-K
8-K 2019-06-18 2019-06-18 8-K
10-Q 2019-03-31 2019-05-02 10-Q
8-K 2019-05-02 2019-05-02 8-K
8-K 2019-05-01 2019-05-01 8-K
10-K 2018-12-31 2019-02-22 10-K
8-K 2019-02-21 2019-02-21 8-K
10-Q 2018-09-30 2018-11-01 10-Q
8-K 2018-11-01 2018-11-01 8-K
8-K 2018-09-14 2018-09-14 8-K
8-K 2018-09-10 2018-09-10 8-K
8-K 2018-08-20 2018-08-20 8-K
8-K 2018-08-14 2018-08-15 8-K
8-K 2018-08-14 2018-08-14 8-K
10-Q 2018-06-30 2018-08-02 10-Q
8-K 2018-08-02 2018-08-02 8-K
10-Q 2018-03-31 2018-05-03 10-Q
8-K 2018-05-03 2018-05-03 8-K
8-K 2018-05-02 2018-05-02 8-K