0001181431-12-049221.txt : 20120907 0001181431-12-049221.hdr.sgml : 20120907 20120907122028 ACCESSION NUMBER: 0001181431-12-049221 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120906 FILED AS OF DATE: 20120907 DATE AS OF CHANGE: 20120907 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CALPINE CORP CENTRAL INDEX KEY: 0000916457 STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC SERVICES [4911] IRS NUMBER: 770212977 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 717 TEXAS AVENUE STREET 2: SUITE 1000 CITY: HOUSTON STATE: TX ZIP: 77002 BUSINESS PHONE: 7138302000 MAIL ADDRESS: STREET 1: 717 TEXAS AVENUE STREET 2: SUITE 1000 CITY: HOUSTON STATE: TX ZIP: 77002 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Luminus Energy Partners Master Fund, Ltd. CENTRAL INDEX KEY: 0001405850 STATE OF INCORPORATION: D0 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12079 FILM NUMBER: 121079074 BUSINESS ADDRESS: STREET 1: 1700 BROADWAY, 35TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10019 BUSINESS PHONE: (212) 615-3450 MAIL ADDRESS: STREET 1: 1700 BROADWAY, 35TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10019 4 1 rrd355457.xml 4 X0306 4 2012-09-06 0 0000916457 CALPINE CORP CPN 0001405850 Luminus Energy Partners Master Fund, Ltd. 1700 BROADWAY 38TH FLOOR NEW YORK NY 10019 0 0 1 0 Common Stock 2012-09-06 4 S 0 2250000 17.80 D 7050640 D Luminus Management, LLC is the manager of Luminus Energy Fund. Due to its relationship with Luminus Energy Fund, Luminus Management, LLC may be deemed to have shared voting and investment power with respect to the shares owned by Luminus Energy Fund. As such, Luminus Management, LLC may be deemed to have shared beneficial ownership of the shares of which Luminus Energy Fund is the owner. Luminus Management, LLC however, disclaims beneficial ownership of such shares except to the extent of its pecuniary interest therein. For further details relating to the Reporting Person's ownership structure, please refer to the Schedule 13D filed with the Securities and Exchange Commission on February 11, 2008, as last amended on September 7, 2012. /s/ By Luminus Management, LLC, Its Investment Manager, By Jonathan Barrett, President 2012-09-07