{"transactions":[{"id":4633998,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2026-10-01T02:26:34.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":3445,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q3 2026 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":30751,"source":{"system":"sec-edgar","filing":"0001933694-26-000009","document":"form4-09302026_100930.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000193369426000009/form4-09302026_100930.xml","form_type":"4"}},{"id":721696,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2026-07-01T15:21:07.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":3445,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q2 2026 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":27306,"source":{"system":"sec-edgar","filing":"0001933694-26-000007","document":"form4-07012026_030703.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000193369426000007/form4-07012026_030703.xml","form_type":"4"}},{"id":824448,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2026-03-31T21:34:10.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":3445,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q1 2026 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":23861,"source":{"system":"sec-edgar","filing":"0001933694-26-000005","document":"form4-03312026_090305.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000193369426000005/form4-03312026_090305.xml","form_type":"4"}},{"id":952637,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2026-01-05T21:37:39.000Z","date":"2025-12-31","kind":"grant","planned":false,"acquired":true,"shares":3388,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q4 2025 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":20416,"source":{"system":"sec-edgar","filing":"0001933694-26-000003","document":"form4-01052026_090135.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000193369426000003/form4-01052026_090135.xml","form_type":"4"}},{"id":1029632,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2025-10-01T21:36:41.000Z","date":"2025-09-30","kind":"grant","planned":false,"acquired":true,"shares":2395,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q3 2025 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":17028,"source":{"system":"sec-edgar","filing":"0001933694-25-000005","document":"form4-10012025_091037.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000193369425000005/form4-10012025_091037.xml","form_type":"4"}},{"id":1098186,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2025-07-01T21:58:24.000Z","date":"2025-06-30","kind":"grant","planned":false,"acquired":true,"shares":1968,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q2 2025 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":14633,"source":{"system":"sec-edgar","filing":"0001415889-25-018768","document":"form4-07012025_090721.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000141588925018768/form4-07012025_090721.xml","form_type":"4"}},{"id":1188274,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2025-03-31T21:22:02.000Z","date":"2025-03-31","kind":"grant","planned":false,"acquired":true,"shares":1352,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q1 2025 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":12665,"source":{"system":"sec-edgar","filing":"0001415889-25-009266","document":"form4-03312025_090359.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000141588925009266/form4-03312025_090359.xml","form_type":"4"}},{"id":1318898,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2025-01-02T21:07:17.000Z","date":"2025-01-01","kind":"grant","planned":false,"acquired":true,"shares":1254,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q4 2024 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":11313,"source":{"system":"sec-edgar","filing":"0001415889-25-000077","document":"form4-01022025_090114.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000141588925000077/form4-01022025_090114.xml","form_type":"4"}},{"id":1365407,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2024-11-14T18:32:44.000Z","date":"2024-11-11","kind":"sale","planned":false,"acquired":false,"shares":3500,"price":82.02,"value":287070.0,"ownership":{"direct":true},"balance_after":10059,"source":{"system":"sec-edgar","filing":"0001415889-24-026832","document":"form4-11142024_061140.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000141588924026832/form4-11142024_061140.xml","form_type":"4"}},{"id":1394951,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2024-10-02T21:51:17.000Z","date":"2024-10-01","kind":"grant","planned":false,"acquired":true,"shares":1452,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q3 2024 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":13559,"source":{"system":"sec-edgar","filing":"0001415889-24-024480","document":"form4-10022024_091013.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000141588924024480/form4-10022024_091013.xml","form_type":"4"}},{"id":1466177,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2024-07-01T20:21:33.000Z","date":"2024-07-01","kind":"grant","planned":false,"acquired":true,"shares":1675,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q2 2024 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":12107,"source":{"system":"sec-edgar","filing":"0001415889-24-018580","document":"form4-07012024_080729.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000141588924018580/form4-07012024_080729.xml","form_type":"4"}},{"id":1556678,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2024-04-01T18:28:07.000Z","date":"2024-04-01","kind":"grant","planned":false,"acquired":true,"shares":1370,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q1 2024 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":10432,"source":{"system":"sec-edgar","filing":"0001415889-24-009516","document":"form4-04012024_060400.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000141588924009516/form4-04012024_060400.xml","form_type":"4"}},{"id":1693615,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2024-01-03T19:14:03.000Z","date":"2024-01-01","kind":"grant","planned":false,"acquired":true,"shares":1403,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q4 2023 service.  All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":9062,"source":{"system":"sec-edgar","filing":"0001415889-24-000236","document":"form4-01032024_070158.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000141588924000236/form4-01032024_070158.xml","form_type":"4"}},{"id":1768199,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2023-10-03T14:05:15.000Z","date":"2023-10-01","kind":"grant","planned":false,"acquired":true,"shares":1433,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q3 2023 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":7659,"source":{"system":"sec-edgar","filing":"0001415889-23-013797","document":"form4-10032023_021010.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000141588923013797/form4-10032023_021010.xml","form_type":"4"}},{"id":1837006,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2023-07-05T18:44:52.000Z","date":"2023-07-01","kind":"grant","planned":false,"acquired":true,"shares":1435,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflects a quarterly payment to directors for Q2 2023 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":6226,"source":{"system":"sec-edgar","filing":"0001415889-23-010699","document":"form4-07052023_060746.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000141588923010699/form4-07052023_060746.xml","form_type":"4"}},{"id":1925476,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true}}],"security":"common stock","published_at":"2023-04-05T14:29:43.000Z","date":"2023-04-01","kind":"grant","planned":false,"acquired":true,"shares":1456,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflect a quarterly payment to directors for Q1 2023 service. All shares are owned directly by Ms. Howard, a director of Cogent Communications Holdings, Inc."}],"balance_after":4791,"source":{"system":"sec-edgar","filing":"0001140361-23-016603","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000114036123016603/form4.xml","form_type":"4"}},{"id":2068884,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2023-01-04T16:20:19.000Z","date":"2023-01-03","kind":"grant","acquired":true,"shares":1709,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflect a quarterly payment to directors for Q4 2022 service. All shares are owned directly by Ms. Howard, a director of Cogent\nCommunications Holdings, Inc."}],"balance_after":3335,"source":{"system":"sec-edgar","filing":"0001567619-23-000087","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000156761923000087/doc1.xml","form_type":"4"}},{"id":2145262,"issuer":{"id":1298,"kind":"organization","name":"COGENT COMMUNICATIONS HOLDINGS, INC.","symbol":"CCOI"},"owners":[{"id":34157,"kind":"person","name":"Howard Eve N","position":1,"cik":"0001933694","reported_name":"Howard Eve N","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"common stock","published_at":"2022-10-04T14:10:17.000Z","date":"2022-10-01","kind":"grant","acquired":true,"shares":1626,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares of common stock reported reflect a quarterly payment to directors for Q3 2022 service. All shares are owned directly by Ms. Eve Howard, a director of Cogent\nCommunications Holdings, Inc."}],"balance_after":1626,"source":{"system":"sec-edgar","filing":"0001567619-22-018085","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1158324/000156761922018085/doc1.xml","form_type":"4"}}]}