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Oct 23, 2024 05:06PM Form SC 13G/A COGENT COMMUNICATIONS Filed by: BlackRock, Inc.
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Feb 10, 2022 05:51PM Form SC 13G/A COGENT COMMUNICATIONS Filed by: RENAISSANCE TECHNOLOGIES LLC
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Jan 26, 2021 02:27PM Form SC 13G/A COGENT COMMUNICATIONS Filed by: BlackRock Inc.
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Jan 24, 2019 01:47PM Form SC 13G/A COGENT COMMUNICATIONS Filed by: BlackRock Inc.
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Feb 14, 2017 10:55AM Form SC 13G/A COGENT COMMUNICATIONS Filed by: FMR LLC
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