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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0000895345-07-000049
Filing Date
2007-02-01
Accepted
2007-02-01 17:04:39
Documents
1
Group Members
PBK HOLDINGS, INC.PHILIP B. KORSANTZBI EQUITIES, L.L.C.

Document Format Files

Seq Description Document Type Size
1 13G-COGENT_ZIFF jf13g-cogent_ziff.htm SC 13G 159788
  Complete submission text file 0000895345-07-000049.txt   161557
Mailing Address 153 EAST 53RD STREET 43RD FLOOR NEW YORK NY 10022
Business Address 153 EAST 53RD STREET 43RD FLOOR NEW YORK NY 10022 2122925900
ZIFF ASSET MANAGEMENT LP (Filed by) CIK: 0001054458 (see all company filings)

IRS No.: 000000000
Type: SC 13G

Mailing Address
Business Address 1015 31ST STREET WASHINGTON DC 20007 2022954200
COGENT COMMUNICATIONS GROUP INC (Subject) CIK: 0001158324 (see all company filings)

IRS No.: 522337274
Type: SC 13G | Act: 34 | File No.: 005-78106 | Film No.: 07572529
SIC: 7372 Services-Prepackaged Software