{"transactions":[{"id":221389,"issuer":{"id":13262,"kind":"organization","name":"A123 SYSTEMS, INC.","symbol":"AONE"},"owners":[{"id":12444,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL CORP","position":1,"cik":"0000040554","reported_name":"GENERAL ELECTRIC CAPITAL CORP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":12936,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","position":2,"cik":"0000797463","reported_name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":12387,"kind":"organization","name":"GE CAPITAL EQUITY INVESTMENTS INC","position":3,"cik":"0001093083","reported_name":"GE CAPITAL EQUITY INVESTMENTS INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13263,"kind":"organization","name":"GE CAPITAL CFE INC","position":4,"cik":"0001224822","reported_name":"GE CAPITAL CFE INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13264,"kind":"organization","name":"GPSF Securities, Inc.","position":5,"cik":"0001472683","reported_name":"GPSF Securities, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":2813,"kind":"organization","name":"GENERAL ELECTRIC CO","position":6,"cik":"0000040545","reported_name":"GENERAL ELECTRIC CO","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}}],"security":"Series F Convertible Preferred Stock","published_at":"2009-10-01T20:31:20.000Z","date":"2009-09-29","kind":"exercise","acquired":false,"shares":1631191,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"kind","element":"transactionCoding","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Directly owned by GE Capital Equity Investments, Inc.  (\"GECEI\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Indirectly owned by General Electric Capital Corporation (\"GE Capital\") because, among other things, GPSF, GECFE, or GECEI,\n as the case may be, is a direct or indirect wholly-owned subsidiary of GE Capital.  GPSF, GECFE, GECEI and GE Capital\n disclaim beneficial ownership except to the extent of their respective pecuniary interest. See Exhibit 99.1, incorporated by\n reference herein.  Upon the closing of the of the Issuer's intial public offering, none of the Reporting Persons were 10%\n Owners."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1631191},"source":{"system":"sec-edgar","filing":"0000909518-09-000635","document":"gecc_a123form4ex.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/40545/000090951809000635/gecc_a123form4ex.xml","form_type":"4"}},{"id":221388,"issuer":{"id":13262,"kind":"organization","name":"A123 SYSTEMS, INC.","symbol":"AONE"},"owners":[{"id":12444,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL CORP","position":1,"cik":"0000040554","reported_name":"GENERAL ELECTRIC CAPITAL CORP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":12936,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","position":2,"cik":"0000797463","reported_name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":12387,"kind":"organization","name":"GE CAPITAL EQUITY INVESTMENTS INC","position":3,"cik":"0001093083","reported_name":"GE CAPITAL EQUITY INVESTMENTS INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13263,"kind":"organization","name":"GE CAPITAL CFE INC","position":4,"cik":"0001224822","reported_name":"GE CAPITAL CFE INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13264,"kind":"organization","name":"GPSF Securities, Inc.","position":5,"cik":"0001472683","reported_name":"GPSF Securities, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":2813,"kind":"organization","name":"GENERAL ELECTRIC CO","position":6,"cik":"0000040545","reported_name":"GENERAL ELECTRIC CO","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}}],"security":"Series E Convertible Preferred Stock","published_at":"2009-10-01T20:31:20.000Z","date":"2009-09-29","kind":"exercise","acquired":false,"shares":1808068,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"kind","element":"transactionCoding","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Directly owned by GE Capital Equity Investments, Inc.  (\"GECEI\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Indirectly owned by General Electric Capital Corporation (\"GE Capital\") because, among other things, GPSF, GECFE, or GECEI,\n as the case may be, is a direct or indirect wholly-owned subsidiary of GE Capital.  GPSF, GECFE, GECEI and GE Capital\n disclaim beneficial ownership except to the extent of their respective pecuniary interest. See Exhibit 99.1, incorporated by\n reference herein.  Upon the closing of the of the Issuer's intial public offering, none of the Reporting Persons were 10%\n Owners."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2497918},"source":{"system":"sec-edgar","filing":"0000909518-09-000635","document":"gecc_a123form4ex.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/40545/000090951809000635/gecc_a123form4ex.xml","form_type":"4"}},{"id":221387,"issuer":{"id":13262,"kind":"organization","name":"A123 SYSTEMS, INC.","symbol":"AONE"},"owners":[{"id":12444,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL CORP","position":1,"cik":"0000040554","reported_name":"GENERAL ELECTRIC CAPITAL CORP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":12936,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","position":2,"cik":"0000797463","reported_name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":12387,"kind":"organization","name":"GE CAPITAL EQUITY INVESTMENTS INC","position":3,"cik":"0001093083","reported_name":"GE CAPITAL EQUITY INVESTMENTS INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13263,"kind":"organization","name":"GE CAPITAL CFE INC","position":4,"cik":"0001224822","reported_name":"GE CAPITAL CFE INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13264,"kind":"organization","name":"GPSF Securities, Inc.","position":5,"cik":"0001472683","reported_name":"GPSF Securities, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":2813,"kind":"organization","name":"GENERAL ELECTRIC CO","position":6,"cik":"0000040545","reported_name":"GENERAL ELECTRIC CO","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}}],"security":"Series D Convertible Preferred Stock","published_at":"2009-10-01T20:31:20.000Z","date":"2009-09-29","kind":"exercise","acquired":false,"shares":2382925,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"kind","element":"transactionCoding","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Directly owned by GE Capital Equity Investments, Inc.  (\"GECEI\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Indirectly owned by General Electric Capital Corporation (\"GE Capital\") because, among other things, GPSF, GECFE, or GECEI,\n as the case may be, is a direct or indirect wholly-owned subsidiary of GE Capital.  GPSF, GECFE, GECEI and GE Capital\n disclaim beneficial ownership except to the extent of their respective pecuniary interest. See Exhibit 99.1, incorporated by\n reference herein.  Upon the closing of the of the Issuer's intial public offering, none of the Reporting Persons were 10%\n Owners."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":2382925},"source":{"system":"sec-edgar","filing":"0000909518-09-000635","document":"gecc_a123form4ex.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/40545/000090951809000635/gecc_a123form4ex.xml","form_type":"4"}},{"id":221386,"issuer":{"id":13262,"kind":"organization","name":"A123 SYSTEMS, INC.","symbol":"AONE"},"owners":[{"id":12444,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL CORP","position":1,"cik":"0000040554","reported_name":"GENERAL ELECTRIC CAPITAL CORP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":12936,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","position":2,"cik":"0000797463","reported_name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":12387,"kind":"organization","name":"GE CAPITAL EQUITY INVESTMENTS INC","position":3,"cik":"0001093083","reported_name":"GE CAPITAL EQUITY INVESTMENTS INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13263,"kind":"organization","name":"GE CAPITAL CFE INC","position":4,"cik":"0001224822","reported_name":"GE CAPITAL CFE INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13264,"kind":"organization","name":"GPSF Securities, Inc.","position":5,"cik":"0001472683","reported_name":"GPSF Securities, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":2813,"kind":"organization","name":"GENERAL ELECTRIC CO","position":6,"cik":"0000040545","reported_name":"GENERAL ELECTRIC CO","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}}],"security":"Series C Convertible Preferred Stock","published_at":"2009-10-01T20:31:20.000Z","date":"2009-09-29","kind":"exercise","acquired":false,"shares":800945,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"kind","element":"transactionCoding","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Directly owned by GE Capital CFE, Inc.  (\"GECFE\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Indirectly owned by General Electric Capital Corporation (\"GE Capital\") because, among other things, GPSF, GECFE, or GECEI,\n as the case may be, is a direct or indirect wholly-owned subsidiary of GE Capital.  GPSF, GECFE, GECEI and GE Capital\n disclaim beneficial ownership except to the extent of their respective pecuniary interest. See Exhibit 99.1, incorporated by\n reference herein.  Upon the closing of the of the Issuer's intial public offering, none of the Reporting Persons were 10%\n Owners."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":800945},"source":{"system":"sec-edgar","filing":"0000909518-09-000635","document":"gecc_a123form4ex.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/40545/000090951809000635/gecc_a123form4ex.xml","form_type":"4"}},{"id":221385,"issuer":{"id":13262,"kind":"organization","name":"A123 SYSTEMS, INC.","symbol":"AONE"},"owners":[{"id":12444,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL CORP","position":1,"cik":"0000040554","reported_name":"GENERAL ELECTRIC CAPITAL CORP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":12936,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","position":2,"cik":"0000797463","reported_name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":12387,"kind":"organization","name":"GE CAPITAL EQUITY INVESTMENTS INC","position":3,"cik":"0001093083","reported_name":"GE CAPITAL EQUITY INVESTMENTS INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13263,"kind":"organization","name":"GE CAPITAL CFE INC","position":4,"cik":"0001224822","reported_name":"GE CAPITAL CFE INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13264,"kind":"organization","name":"GPSF Securities, Inc.","position":5,"cik":"0001472683","reported_name":"GPSF Securities, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":2813,"kind":"organization","name":"GENERAL ELECTRIC CO","position":6,"cik":"0000040545","reported_name":"GENERAL ELECTRIC CO","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}}],"security":"Common Stock","published_at":"2009-10-01T20:31:20.000Z","date":"2009-09-29","kind":"exercise","acquired":true,"shares":1631191,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Directly owned by GE Capital Equity Investments, Inc.  (\"GECEI\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Indirectly owned by General Electric Capital Corporation (\"GE Capital\") because, among other things, GPSF, GECFE, or GECEI,\n as the case may be, is a direct or indirect wholly-owned subsidiary of GE Capital.  GPSF, GECFE, GECEI and GE Capital\n disclaim beneficial ownership except to the extent of their respective pecuniary interest. See Exhibit 99.1, incorporated by\n reference herein.  Upon the closing of the of the Issuer's intial public offering, none of the Reporting Persons were 10%\n Owners."}],"balance_after":6512034,"source":{"system":"sec-edgar","filing":"0000909518-09-000635","document":"gecc_a123form4ex.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/40545/000090951809000635/gecc_a123form4ex.xml","form_type":"4"}},{"id":221384,"issuer":{"id":13262,"kind":"organization","name":"A123 SYSTEMS, INC.","symbol":"AONE"},"owners":[{"id":12444,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL CORP","position":1,"cik":"0000040554","reported_name":"GENERAL ELECTRIC CAPITAL CORP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":12936,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","position":2,"cik":"0000797463","reported_name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":12387,"kind":"organization","name":"GE CAPITAL EQUITY INVESTMENTS INC","position":3,"cik":"0001093083","reported_name":"GE CAPITAL EQUITY INVESTMENTS INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13263,"kind":"organization","name":"GE CAPITAL CFE INC","position":4,"cik":"0001224822","reported_name":"GE CAPITAL CFE INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13264,"kind":"organization","name":"GPSF Securities, Inc.","position":5,"cik":"0001472683","reported_name":"GPSF Securities, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":2813,"kind":"organization","name":"GENERAL ELECTRIC CO","position":6,"cik":"0000040545","reported_name":"GENERAL ELECTRIC CO","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}}],"security":"Common Stock","published_at":"2009-10-01T20:31:20.000Z","date":"2009-09-29","kind":"exercise","acquired":true,"shares":2497918,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Directly owned by GE Capital Equity Investments, Inc.  (\"GECEI\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Indirectly owned by General Electric Capital Corporation (\"GE Capital\") because, among other things, GPSF, GECFE, or GECEI,\n as the case may be, is a direct or indirect wholly-owned subsidiary of GE Capital.  GPSF, GECFE, GECEI and GE Capital\n disclaim beneficial ownership except to the extent of their respective pecuniary interest. See Exhibit 99.1, incorporated by\n reference herein.  Upon the closing of the of the Issuer's intial public offering, none of the Reporting Persons were 10%\n Owners."}],"balance_after":4880843,"source":{"system":"sec-edgar","filing":"0000909518-09-000635","document":"gecc_a123form4ex.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/40545/000090951809000635/gecc_a123form4ex.xml","form_type":"4"}},{"id":221383,"issuer":{"id":13262,"kind":"organization","name":"A123 SYSTEMS, INC.","symbol":"AONE"},"owners":[{"id":12444,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL CORP","position":1,"cik":"0000040554","reported_name":"GENERAL ELECTRIC CAPITAL CORP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":12936,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","position":2,"cik":"0000797463","reported_name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":12387,"kind":"organization","name":"GE CAPITAL EQUITY INVESTMENTS INC","position":3,"cik":"0001093083","reported_name":"GE CAPITAL EQUITY INVESTMENTS INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13263,"kind":"organization","name":"GE CAPITAL CFE INC","position":4,"cik":"0001224822","reported_name":"GE CAPITAL CFE INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13264,"kind":"organization","name":"GPSF Securities, Inc.","position":5,"cik":"0001472683","reported_name":"GPSF Securities, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":2813,"kind":"organization","name":"GENERAL ELECTRIC CO","position":6,"cik":"0000040545","reported_name":"GENERAL ELECTRIC CO","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}}],"security":"Common Stock","published_at":"2009-10-01T20:31:20.000Z","date":"2009-09-29","kind":"exercise","acquired":true,"shares":2382925,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"Directly owned by GE Capital Equity Investments, Inc.  (\"GECEI\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Indirectly owned by General Electric Capital Corporation (\"GE Capital\") because, among other things, GPSF, GECFE, or GECEI,\n as the case may be, is a direct or indirect wholly-owned subsidiary of GE Capital.  GPSF, GECFE, GECEI and GE Capital\n disclaim beneficial ownership except to the extent of their respective pecuniary interest. See Exhibit 99.1, incorporated by\n reference herein.  Upon the closing of the of the Issuer's intial public offering, none of the Reporting Persons were 10%\n Owners."}],"balance_after":2382925,"source":{"system":"sec-edgar","filing":"0000909518-09-000635","document":"gecc_a123form4ex.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/40545/000090951809000635/gecc_a123form4ex.xml","form_type":"4"}},{"id":221382,"issuer":{"id":13262,"kind":"organization","name":"A123 SYSTEMS, INC.","symbol":"AONE"},"owners":[{"id":12444,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL CORP","position":1,"cik":"0000040554","reported_name":"GENERAL ELECTRIC CAPITAL CORP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":12936,"kind":"organization","name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","position":2,"cik":"0000797463","reported_name":"GENERAL ELECTRIC CAPITAL SERVICES INC/CT","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":12387,"kind":"organization","name":"GE CAPITAL EQUITY INVESTMENTS INC","position":3,"cik":"0001093083","reported_name":"GE CAPITAL EQUITY INVESTMENTS INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13263,"kind":"organization","name":"GE CAPITAL CFE INC","position":4,"cik":"0001224822","reported_name":"GE CAPITAL CFE INC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":13264,"kind":"organization","name":"GPSF Securities, Inc.","position":5,"cik":"0001472683","reported_name":"GPSF Securities, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}},{"id":2813,"kind":"organization","name":"GENERAL ELECTRIC CO","position":6,"cik":"0000040545","reported_name":"GENERAL ELECTRIC CO","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"See Exhibit 99.1"}}],"security":"Common Stock","published_at":"2009-10-01T20:31:20.000Z","date":"2009-09-29","kind":"exercise","acquired":true,"shares":800945,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The Issuer's preferred stock reported herein is convertible at any time by the holder and has no expiration date, but is\n subject to mandatory conversion or redemption upon certain events. On September 30, 2009, upon the closing of the Issuer's\n initial public offering, each share of preferred stock reported herein converted automatically into one share of common\n stock, except that each share of Series E Convertible Preferred Stock converted automatically into 1.38154 shares of common\n stock."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Directly owned by GE Capital CFE, Inc.  (\"GECFE\")."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Indirectly owned by General Electric Capital Corporation (\"GE Capital\") because, among other things, GPSF, GECFE, or GECEI,\n as the case may be, is a direct or indirect wholly-owned subsidiary of GE Capital.  GPSF, GECFE, GECEI and GE Capital\n disclaim beneficial ownership except to the extent of their respective pecuniary interest. See Exhibit 99.1, incorporated by\n reference herein.  Upon the closing of the of the Issuer's intial public offering, none of the Reporting Persons were 10%\n Owners."}],"balance_after":800945,"source":{"system":"sec-edgar","filing":"0000909518-09-000635","document":"gecc_a123form4ex.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/40545/000090951809000635/gecc_a123form4ex.xml","form_type":"4"}}]}