COGENT COMMUNICATIONS HOLDINGS, INC. — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | FORM 4 | 0001567619-22-012123 | Jun 2, 2022 | — |
| 4 | FORM 4 | 0001567619-22-011908 | May 31, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-056266 | May 5, 2022 | May 4, 2022 |
| 4 | FORM 4 | 0001567619-22-009564 | May 5, 2022 | May 4, 2022 |
| 10-Q | FORM 10-Q | 0001104659-22-056265 | May 5, 2022 | Mar 31, 2022 |
| 3 | FORM 3 | 0001567619-22-009498 | May 4, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-055893 | May 4, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-053125 | Apr 29, 2022 | — |
| 3 | FORM 3 | 0001567619-22-009171 | Apr 29, 2022 | — |
| 8-K | FORM 8-K | 0001104659-22-053113 | Apr 29, 2022 | — |
| 4 | FORM 4 | 0001567619-22-008218 | Apr 7, 2022 | Apr 5, 2022 |
| 4 | FORM 4 | 0001567619-22-007912 | Apr 4, 2022 | Apr 1, 2022 |
| 4 | FORM 4 | 0001567619-22-007913 | Apr 4, 2022 | Apr 1, 2022 |
| 4 | FORM 4 | 0001567619-22-007914 | Apr 4, 2022 | Apr 1, 2022 |
| 4 | FORM 4 | 0001567619-22-007918 | Apr 4, 2022 | Apr 1, 2022 |
| 4 | FORM 4 | 0001567619-22-007844 | Apr 1, 2022 | — |
| 4 | FORM 4 | 0001567619-22-007817 | Apr 1, 2022 | Mar 31, 2022 |
| 4 | FORM 4 | 0001567619-22-007835 | Apr 1, 2022 | — |
| 4 | FORM 4 | 0001567619-22-007836 | Apr 1, 2022 | — |
| 4 | FORM 4 | 0001567619-22-007198 | Mar 18, 2022 | Mar 17, 2022 |
| DEF 14A | DEF 14A | 0001104659-22-033195 | Mar 14, 2022 | May 4, 2022 |
| 4 | FORM 4 | 0001567619-22-006612 | Mar 9, 2022 | Mar 8, 2022 |
| 4 | FORM 4 | 0001567619-22-006614 | Mar 9, 2022 | — |
| PRE 14A | PRE 14A | 0001104659-22-030575 | Mar 4, 2022 | May 4, 2022 |
| 4 | FORM 4 | 0001567619-22-006155 | Mar 3, 2022 | Mar 2, 2022 |
| 4 | FORM 4 | 0001567619-22-006026 | Mar 2, 2022 | Mar 1, 2022 |
| 4 | FORM 4 | 0001567619-22-005893 | Mar 1, 2022 | — |
| 10-K | FORM 10-K | 0001104659-22-027066 | Feb 25, 2022 | Dec 31, 2021 |
| 8-K | FORM 8-K | 0001104659-22-026341 | Feb 24, 2022 | — |
| SC 13G/A | — | 0001037389-22-000023 | Feb 10, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-016860 | Feb 9, 2022 | — |
| SC 13G/A | — | 0000834237-22-001707 | Jan 27, 2022 | — |
| SC 13G/A | — | 0000834237-22-000327 | Jan 25, 2022 | — |
| 4 | FORM 4 | 0001567619-22-000536 | Jan 5, 2022 | Jan 3, 2022 |
| 4 | FORM 4 | 0001567619-22-000538 | Jan 5, 2022 | Jan 3, 2022 |
| 4 | FORM 4 | 0001567619-22-000533 | Jan 5, 2022 | Jan 3, 2022 |
| 4 | FORM 4 | 0001567619-22-000541 | Jan 5, 2022 | Jan 3, 2022 |
| 4 | FORM 4 | 0001567619-22-000530 | Jan 5, 2022 | Jan 3, 2022 |
| 8-K | FORM 8-K | 0001104659-22-001481 | Jan 5, 2022 | Jan 3, 2022 |
| 4 | FORM 4 | 0001567619-22-000547 | Jan 5, 2022 | Jan 3, 2022 |
| 3 | FORM 3 | 0001567619-22-000022 | Jan 3, 2022 | Dec 31, 2021 |
| 8-K | FORM 8-K | 0001104659-21-154674 | Dec 30, 2021 | Dec 23, 2021 |
| 4 | FORM 4 | 0001567619-21-022071 | Dec 15, 2021 | Dec 14, 2021 |
| 4 | FORM 4 | 0001567619-21-021915 | Dec 13, 2021 | — |
| 4 | FORM 4 | 0001567619-21-021756 | Dec 8, 2021 | — |
| 4 | FORM 4 | 0001567619-21-021701 | Dec 7, 2021 | — |
| 4 | FORM 4 | 0001567619-21-021607 | Dec 3, 2021 | Dec 2, 2021 |
| 4 | FORM 4 | 0001567619-21-021605 | Dec 3, 2021 | Dec 1, 2021 |
| 4 | FORM 4 | 0001567619-21-021348 | Dec 1, 2021 | — |
| 4 | FORM 4 | 0001567619-21-021349 | Dec 1, 2021 | — |