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Form SC 13D - General statement of acquisition of beneficial ownership
SEC Accession No. 0000807249-13-000176
Filing Date
2013-07-19
Accepted
2013-07-19 16:18:31
Documents
1
Filing Date Changed
2013-07-19

Document Format Files

Seq Description Document Type Size
1 guid_00.htm SC 13D 307612
  Complete submission text file 0000807249-13-000176.txt   309316
Mailing Address ONE CORPORATE CENTER RYE NY 10580
Business Address ONE CORPORATE CENTER RYE NY 10580-1434 9149215000
GAMCO INVESTORS, INC. ET AL (Filed by) CIK: 0000807249 (see all company filings)

IRS No.: 133056041 | State of Incorp.: NY | Fiscal Year End: 1031
Type: SC 13D
SIC: 0000

Mailing Address 215 NORTH MARENGO AVENUE PASADENA CA 91101
Business Address 215 NORTH MARENGO AVENUE PASADENA CA 91101 6262299191
Guidance Software, Inc. (Subject) CIK: 0001375557 (see all company filings)

IRS No.: 954661210 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D | Act: 34 | File No.: 005-82879 | Film No.: 13977235
SIC: 7372 Services-Prepackaged Software
Assistant Director 3