{"transactions":[{"id":601071,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":17378,"kind":"organization","name":"KKR Millennium GP Energy LLC","position":1,"cik":"0001352571","reported_name":"KKR Millennium GP Energy LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":17379,"kind":"organization","name":"KKR Millennium Fund Energy LP","position":2,"cik":"0001352569","reported_name":"KKR Millennium Fund Energy LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":16669,"kind":"organization","name":"KKR Partners III, L.P.","position":3,"cik":"0001288739","reported_name":"KKR Partners III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":17380,"kind":"organization","name":"KKR Associates Millennium Energy L.P.","position":4,"cik":"0001352570","reported_name":"KKR Associates Millennium Energy L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":340,"kind":"person","name":"KRAVIS HENRY R","position":5,"cik":"0001081714","reported_name":"KRAVIS HENRY R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":341,"kind":"person","name":"ROBERTS GEORGE R","position":6,"cik":"0001081715","reported_name":"ROBERTS GEORGE R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":17054,"kind":"person","name":"FISHER TODD A","position":7,"cik":"0001206470","reported_name":"FISHER TODD A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":17381,"kind":"person","name":"Garaialde Jacques","position":8,"cik":"0001320395","reported_name":"Garaialde Jacques","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":17047,"kind":"person","name":"GOLKIN PERRY","position":9,"cik":"0001206581","reported_name":"GOLKIN PERRY","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":16714,"kind":"person","name":"GREENE JAMES H JR","position":10,"cik":"0001205970","reported_name":"GREENE JAMES H JR","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}}],"security":"Common Stock, par value $0.01 per share","published_at":"2006-08-16T21:14:31.000Z","date":"2006-08-15","kind":"sale","acquired":false,"shares":215786,"price":48.41,"value":10446200.26,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On August 15, 2006, KKR Millennium Fund (Energy) L.P. (\"Millennium Energy\") and KKR Partners III, L.P. (Series I) (\"KKR Partners\" and together with Millennium Energy, the \"KKR Funds\") sold respectively 4,099,941 and 215,786 shares (4,315,727 shares in total) of NRG Energy, Inc.'s common stock (the \"Common Stock\"), to Morgan Stanley & Co. Incorporated at a price of $48.41 per share (the \"Resale\").  Following completion of the Resale, Millennium Energy and KKR Partners directly own respectively 4,099,941 and 215,786 shares of Common Stock reported as beneficially owned in the above table."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"On August 15, 2006, KKR Millennium Fund (Energy) L.P. (\"Millennium Energy\") and KKR Partners III, L.P. (Series I) (\"KKR Partners\" and together with Millennium Energy, the \"KKR Funds\") sold respectively 4,099,941 and 215,786 shares (4,315,727 shares in total) of NRG Energy, Inc.'s common stock (the \"Common Stock\"), to Morgan Stanley & Co. Incorporated at a price of $48.41 per share (the \"Resale\").  Following completion of the Resale, Millennium Energy and KKR Partners directly own respectively 4,099,941 and 215,786 shares of Common Stock reported as beneficially owned in the above table."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As general partner of Millennium Energy, KKR Associates Millennium (Energy) L.P. (\"KKR Associates\") may be deemed to be the beneficial owner of the Common Stock held by Millennium Energy.  As the general partner of KKR Associates, KKR Millennium GP (Energy) LLC (\"KKR GP LLC\") also may be deemed to be the beneficial owner of the Common Stock held by Millennium Energy.  As general partner of KKR Partners, KKR GP LLC may be deemed to be the beneficial owner of the Common Stock held by KKR Partners."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Henry R. Kravis, George R. Roberts, Todd A. Fisher, Jacques Garaialde, Perry Golkin, James H. Greene, Jr., Johannes P. Huth, Marc S. Lipschultz, Michael W. Michelson, Alexander Navab and Paul E. Raether are the members of KKR GP LLC (the \"Members\"), and as such may be deemed to share beneficial ownership of any Common Stock that KKR GP LLC may be deemed to beneficially own.  Each Reporting Person disclaims beneficial ownership of the Common Stock, except to the extent of its or his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The filing of this statement shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, any Reporting Person is the beneficial owner of any Common Stock covered by this statement."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Due to limitations on Form 4, certain persons described as beneficial owners or deemed beneficial owners of the securities reported on this Form 4 are filing as reporting persons on a separate Form 4."}],"balance_after":215786,"source":{"system":"sec-edgar","filing":"0001104659-06-055605","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000110465906055605/a4.xml","form_type":"4"}},{"id":601070,"issuer":{"id":3216,"kind":"organization","name":"NRG ENERGY, INC.","symbol":"NRG"},"owners":[{"id":17378,"kind":"organization","name":"KKR Millennium GP Energy LLC","position":1,"cik":"0001352571","reported_name":"KKR Millennium GP Energy LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":17379,"kind":"organization","name":"KKR Millennium Fund Energy LP","position":2,"cik":"0001352569","reported_name":"KKR Millennium Fund Energy LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":16669,"kind":"organization","name":"KKR Partners III, L.P.","position":3,"cik":"0001288739","reported_name":"KKR Partners III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":17380,"kind":"organization","name":"KKR Associates Millennium Energy L.P.","position":4,"cik":"0001352570","reported_name":"KKR Associates Millennium Energy L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":340,"kind":"person","name":"KRAVIS HENRY R","position":5,"cik":"0001081714","reported_name":"KRAVIS HENRY R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":341,"kind":"person","name":"ROBERTS GEORGE R","position":6,"cik":"0001081715","reported_name":"ROBERTS GEORGE R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":17054,"kind":"person","name":"FISHER TODD A","position":7,"cik":"0001206470","reported_name":"FISHER TODD A","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":17381,"kind":"person","name":"Garaialde Jacques","position":8,"cik":"0001320395","reported_name":"Garaialde Jacques","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":17047,"kind":"person","name":"GOLKIN PERRY","position":9,"cik":"0001206581","reported_name":"GOLKIN PERRY","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}},{"id":16714,"kind":"person","name":"GREENE JAMES H JR","position":10,"cik":"0001205970","reported_name":"GREENE JAMES H JR","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"See Remarks"}}],"security":"Common Stock, par value $0.01 per share","published_at":"2006-08-16T21:14:31.000Z","date":"2006-08-15","kind":"sale","acquired":false,"shares":4099941,"price":48.41,"value":198478143.81,"ownership":{"direct":false,"nature":"See footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On August 15, 2006, KKR Millennium Fund (Energy) L.P. (\"Millennium Energy\") and KKR Partners III, L.P. (Series I) (\"KKR Partners\" and together with Millennium Energy, the \"KKR Funds\") sold respectively 4,099,941 and 215,786 shares (4,315,727 shares in total) of NRG Energy, Inc.'s common stock (the \"Common Stock\"), to Morgan Stanley & Co. Incorporated at a price of $48.41 per share (the \"Resale\").  Following completion of the Resale, Millennium Energy and KKR Partners directly own respectively 4,099,941 and 215,786 shares of Common Stock reported as beneficially owned in the above table."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"On August 15, 2006, KKR Millennium Fund (Energy) L.P. (\"Millennium Energy\") and KKR Partners III, L.P. (Series I) (\"KKR Partners\" and together with Millennium Energy, the \"KKR Funds\") sold respectively 4,099,941 and 215,786 shares (4,315,727 shares in total) of NRG Energy, Inc.'s common stock (the \"Common Stock\"), to Morgan Stanley & Co. Incorporated at a price of $48.41 per share (the \"Resale\").  Following completion of the Resale, Millennium Energy and KKR Partners directly own respectively 4,099,941 and 215,786 shares of Common Stock reported as beneficially owned in the above table."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As general partner of Millennium Energy, KKR Associates Millennium (Energy) L.P. (\"KKR Associates\") may be deemed to be the beneficial owner of the Common Stock held by Millennium Energy.  As the general partner of KKR Associates, KKR Millennium GP (Energy) LLC (\"KKR GP LLC\") also may be deemed to be the beneficial owner of the Common Stock held by Millennium Energy.  As general partner of KKR Partners, KKR GP LLC may be deemed to be the beneficial owner of the Common Stock held by KKR Partners."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Henry R. Kravis, George R. Roberts, Todd A. Fisher, Jacques Garaialde, Perry Golkin, James H. Greene, Jr., Johannes P. Huth, Marc S. Lipschultz, Michael W. Michelson, Alexander Navab and Paul E. Raether are the members of KKR GP LLC (the \"Members\"), and as such may be deemed to share beneficial ownership of any Common Stock that KKR GP LLC may be deemed to beneficially own.  Each Reporting Person disclaims beneficial ownership of the Common Stock, except to the extent of its or his pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The filing of this statement shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, any Reporting Person is the beneficial owner of any Common Stock covered by this statement."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Due to limitations on Form 4, certain persons described as beneficial owners or deemed beneficial owners of the securities reported on this Form 4 are filing as reporting persons on a separate Form 4."}],"balance_after":4099941,"source":{"system":"sec-edgar","filing":"0001104659-06-055605","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1013871/000110465906055605/a4.xml","form_type":"4"}}]}