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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001193125-14-051914
Filing Date
2014-02-14
Accepted
2014-02-13 19:45:59
Documents
1

Document Format Files

Seq Description Document Type Size
1 HORSEHEAD HOLDING CORP d670599dsc13ga.htm SC 13G/A 39124
  Complete submission text file 0001193125-14-051914.txt   40623
Mailing Address ONE BUSH STREET SUITE 900 SAN FRANCISCO CA 94104
Business Address ONE BUSH STREET SUITE 900 SAN FRANCISCO CA 94104 4155912700
RS INVESTMENT MANAGEMENT CO LLC (Filed by) CIK: 0001085256 (see all company filings)

IRS No.: 943321067
Type: SC 13G/A

Mailing Address 4955 STEUBENVILLE PIKE SUITE 405 PITTSBURGH PA 15205
Business Address 4955 STEUBENVILLE PIKE SUITE 405 PITTSBURGH PA 15205 724-773-2212
Horsehead Holding Corp (Subject) CIK: 0001385544 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-83114 | Film No.: 14608904
SIC: 3330 Primary Smelting & Refining of Nonferrous Metals