33 filings
UPLOAD
CCOI
Cogent Communications Holdings Inc
23 May 18
Letter from SEC
12:00am
CORRESP
CCOI
Cogent Communications Holdings Inc
17 May 18
Correspondence with SEC
12:00am
UPLOAD
CCOI
Cogent Communications Holdings Inc
9 May 18
Letter from SEC
12:00am
UPLOAD
CCOI
Cogent Communications Holdings Inc
11 Jan 17
Letter from SEC
12:00am
CORRESP
CCOI
Cogent Communications Holdings Inc
6 Jan 17
Correspondence with SEC
12:00am
UPLOAD
r4g0bsobg5yp54mi
23 Dec 16
Letter from SEC
12:00am
UPLOAD
cxu92s6u3qgvrbkh0zvw
14 Dec 15
Letter from SEC
12:00am
CORRESP
cmtciaonqazbhhieqv
24 Nov 15
Correspondence with SEC
12:00am
UPLOAD
n42zpijy
16 Nov 15
Letter from SEC
12:00am
IRAN
kerli3he1967 75
8 May 15
Disclosure regarding Iran Threat Reduction and Syria Human Rights Act
12:00am
UPLOAD
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19 Mar 15
Letter from SEC
12:00am
UPLOAD
gkdyx0v82 2e
19 Mar 15
Letter from SEC
12:00am
CORRESP
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18 Mar 15
Correspondence with SEC
12:00am
UPLOAD
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12 Feb 14
Letter from SEC
12:00am
CORRESP
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3 Jan 14
Correspondence with SEC
12:00am
UPLOAD
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20 Dec 13
Letter from SEC
12:00am
CORRESP
9ww4fl7jk4ks95l
14 Nov 13
Correspondence with SEC
12:00am
UPLOAD
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31 Oct 13
Letter from SEC
12:00am
UPLOAD
9ien1m0b6p0ao8r4mmqm
25 Jan 13
Letter from SEC
12:00am
CORRESP
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15 Jan 13
Correspondence with SEC
12:00am