SC 13G/A 1 p08-0148sc13ga.txt EPIQ SYSTEMS, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ---------------------- SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 4)* EPIQ Systems, Inc. (Name of Issuer) Common Stock, $0.01 par value per share (Title of Class of Securities) 26882D109 (CUSIP Number) December 31,2007 (Date of event which requires filing of this statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] Rule 13d-1(d) ---------------- *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Page 1 of 7 Pages CUSIP No. 26882D109 13G/A Page 2 of 7 Pages ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Highbridge International LLC ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] ----------------------------------------------------------------------- (3) SEC USE ONLY ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands, British West Indies ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) OWNED BY -------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING -------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 4.99% (See Item 4(a)) ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** OO ----------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 26882D109 13G/A Page 3 of 7 Pages ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Highbridge Capital Management, LLC 20-1901985 ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] ----------------------------------------------------------------------- (3) SEC USE ONLY ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) OWNED BY -------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING -------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 4.99% (See Item 4(a)) ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** OO - Limited Liability Company ----------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 26882D109 13G/A Page 4 of 7 Pages ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Glenn Dubin ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] ----------------------------------------------------------------------- (3) SEC USE ONLY ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) OWNED BY -------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING -------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 4.99% (See Item 4(a)) ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** IN ----------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 26882D109 13G/A Page 5 of 7 Pages ----------------------------------------------------------------------- (1) NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Henry Swieca ----------------------------------------------------------------------- (2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ** (a) [X] (b) [ ] ----------------------------------------------------------------------- (3) SEC USE ONLY ----------------------------------------------------------------------- (4) CITIZENSHIP OR PLACE OF ORGANIZATION United States ----------------------------------------------------------------------- NUMBER OF (5) SOLE VOTING POWER 0 SHARES -------------------------------------------------------- BENEFICIALLY (6) SHARED VOTING POWER 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) OWNED BY -------------------------------------------------------- EACH (7) SOLE DISPOSITIVE POWER 0 REPORTING -------------------------------------------------------- PERSON WITH (8) SHARED DISPOSITIVE POWER 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) ----------------------------------------------------------------------- (9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 513,124 shares of Common Stock 4% Contingent Convertible Notes, convertible into 2,142,858 shares of Common Stock (See Item 4(a)) ----------------------------------------------------------------------- (10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ** [ ] ----------------------------------------------------------------------- (11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 4.99% (See Item 4(a)) ----------------------------------------------------------------------- (12) TYPE OF REPORTING PERSON ** IN ----------------------------------------------------------------------- ** SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP No. 26882D109 13G/A Page 6 of 7 Pages This Amendment No. 4 (this "Amendment") amends the statement on Schedule 13G filed on March 21, 2006, as amended by Amendment No. 1 filed on March 27, 2006, as further amended by Amendment No. 2 filed on February 14, 2007 and as further amended by Amendment No. 3 filed on January 24, 2008 ("Amendment No.3") (as amended, the "Schedule 13G") with respect to the shares of common stock, par value $0.01 per share (the "Common Stock") of EPIQ Systems, Inc., a Missouri corporation (the "Company"). Capitalized terms used herein and not otherwise defined in this Amendment have the meanings set forth in the Schedule 13G. This Amendment is filed to correct the shares of Common Stock reported on the cover pages of the Reporting Persons in Amendment No. 3. CUSIP No. 26882D109 13G/A Page 7 of 7 Pages SIGNATURES After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information with respect to it set forth in this statement is true, complete, and correct. Dated: January 25, 2008 HIGHBRIDGE INTERNATIONAL LLC HIGHBRIDGE CAPITAL MANAGEMENT, LLC By: Highbridge Capital Management, LLC its Trading Manager By: /s/ Noah Greenhill ------------------------------ Name: Noah Greenhill Title: Managing Director By: /s/ Noah Greenhill ------------------------------ Name: Noah Greenhill Title: Managing Director /s/ Glenn Dubin ------------------------------ /s/ Henry Swieca GLENN DUBIN ------------------------------ HENRY SWIECA