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Ownership
4
COGENT COMMUNICATIONS HOLDINGS, INC.
3 Oct 19
4
COGENT COMMUNICATIONS HOLDINGS, INC.
1 Jul 19
4
COGENT COMMUNICATIONS HOLDINGS, INC.
2 Apr 19
4
COGENT COMMUNICATIONS HOLDINGS, INC.
3 Jan 19
4
COGENT COMMUNICATIONS HOLDINGS, INC.
9 Nov 18
4
COGENT COMMUNICATIONS HOLDINGS, INC.
1 Oct 18
4
COGENT COMMUNICATIONS HOLDINGS, INC.
3 Jul 18
4
COGENT COMMUNICATIONS HOLDINGS, INC.
2 Apr 18
4
COGENT COMMUNICATIONS HOLDINGS, INC.
16 Mar 18
4
COGENT COMMUNICATIONS HOLDINGS, INC.
3 Jan 18