-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, O1oVSOaiZOkkb4Bv1Qfa9HGbzlou0R6dDljNppDSCe04zGNRgIUDybFPTW4atd3m jz3lVe/5g7dyGzM+vcl/Qw== 0000921895-07-000127.txt : 20070118 0000921895-07-000127.hdr.sgml : 20070118 20070118172338 ACCESSION NUMBER: 0000921895-07-000127 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20070118 DATE AS OF CHANGE: 20070118 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Emergency Medical Services CORP CENTRAL INDEX KEY: 0001344154 STANDARD INDUSTRIAL CLASSIFICATION: LOCAL & SUBURBAN TRANSIT & INTERURBAN HWY PASSENGER TRAINS [4100] IRS NUMBER: 203738384 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-81228 FILM NUMBER: 07538602 BUSINESS ADDRESS: STREET 1: 6200 S. SYRACUSE WAY CITY: GREENWOOD VILLAGE STATE: CO ZIP: 80111 BUSINESS PHONE: 303-495-1200 MAIL ADDRESS: STREET 1: 6200 S. SYRACUSE WAY CITY: GREENWOOD VILLAGE STATE: CO ZIP: 80111 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: ACCIPITER CAPITAL MANAGEMENT, LLC CENTRAL INDEX KEY: 0001280190 IRS NUMBER: 134220800 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 399 PARK AVENUE STREET 2: 38TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 2127058700 MAIL ADDRESS: STREET 1: 399 PARK AVENUE STREET 2: 38TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 FORMER COMPANY: FORMER CONFORMED NAME: ACCIPITER CAPITAL MANAGEMENT DATE OF NAME CHANGE: 20040213 SC 13G/A 1 sc13ga306588ems_01162007.htm sec document 



                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                 --------------

                                  SCHEDULE 13G
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b) (c) AND (d) AND AMENDMENTS THERETO FILED
                            PURSUANT TO RULE 13d-2(b)

                              (Amendment No. 3)(1)

                    Emergency Medical Services Corporation
- --------------------------------------------------------------------------------
                               (Name of Issuer)

               CLASS A COMMON STOCK, PAR VALUE $0.01 PER SHARE
- --------------------------------------------------------------------------------
                        (Title of Class of Securities)

                                  29100P102
- --------------------------------------------------------------------------------
                                (CUSIP Number)

                                January 16, 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)


- --------------
      (1)   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 the  purpose  of  Section 18 of the  Securities
Exchange Act of 1934 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).




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 2 of 14 Pages
- ----------------------                                    ----------------------


================================================================================
     1         NAME OF REPORTING PERSONS
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                    ACCIPITER LIFE SCIENCES FUND, LP
- --------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
     3         SEC USE ONLY

- --------------------------------------------------------------------------------
     4         CITIZENSHIP OR PLACE OF ORGANIZATION

                    DELAWARE
- --------------------------------------------------------------------------------
 NUMBER OF         5     SOLE VOTING POWER
   SHARES
BENEFICIALLY                  19,718 shares
  OWNED BY     -----------------------------------------------------------------
    EACH           6     SHARED VOTING POWER
 REPORTING
PERSON WITH                   0 shares
               -----------------------------------------------------------------
                   7     SOLE DISPOSITIVE POWER

                              19,718 shares
               -----------------------------------------------------------------
                   8     SHARED DISPOSITIVE POWER

                              0 shares
- --------------------------------------------------------------------------------
     9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                    19,718 shares
- --------------------------------------------------------------------------------
    10         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
               CERTAIN SHARES*                                               / /
- --------------------------------------------------------------------------------
    11         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                    0.2%
- --------------------------------------------------------------------------------
    12         TYPE OF REPORTING PERSON*

                    PN
================================================================================

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 3 of 14 Pages
- ----------------------                                    ----------------------


================================================================================
     1         NAME OF REPORTING PERSONS
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                    ACCIPITER LIFE SCIENCES FUND (OFFSHORE), LTD.
- --------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
     3         SEC USE ONLY

- --------------------------------------------------------------------------------
     4         CITIZENSHIP OR PLACE OF ORGANIZATION

                    CAYMAN ISLANDS
- --------------------------------------------------------------------------------
 NUMBER OF         5     SOLE VOTING POWER
   SHARES
BENEFICIALLY                  19,869 shares
  OWNED BY     -----------------------------------------------------------------
    EACH           6     SHARED VOTING POWER
 REPORTING
PERSON WITH                   0 shares
               -----------------------------------------------------------------
                   7     SOLE DISPOSITIVE POWER

                              19,869 shares
               -----------------------------------------------------------------
                   8     SHARED DISPOSITIVE POWER

                              0 shares
- --------------------------------------------------------------------------------
     9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                    19,869 shares
- --------------------------------------------------------------------------------
    10         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
               CERTAIN SHARES*                                               / /
- --------------------------------------------------------------------------------
    11         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                    0.2%
- --------------------------------------------------------------------------------
    12         TYPE OF REPORTING PERSON*

                    OO
================================================================================

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 4 of 14 Pages
- ----------------------                                    ----------------------


================================================================================
     1         NAME OF REPORTING PERSONS
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                    ACCIPITER LIFE SCIENCES FUND II, LP
- --------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
     3         SEC USE ONLY

- --------------------------------------------------------------------------------
     4         CITIZENSHIP OR PLACE OF ORGANIZATION

                    DELAWARE
- --------------------------------------------------------------------------------
 NUMBER OF         5     SOLE VOTING POWER
   SHARES
BENEFICIALLY                  99,749 shares
  OWNED BY     -----------------------------------------------------------------
    EACH           6     SHARED VOTING POWER
 REPORTING
PERSON WITH                   0 shares
               -----------------------------------------------------------------
                   7     SOLE DISPOSITIVE POWER

                              99,749 shares
               -----------------------------------------------------------------
                   8     SHARED DISPOSITIVE POWER

                              0 shares
- --------------------------------------------------------------------------------
     9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                    99,749 shares
- --------------------------------------------------------------------------------
    10         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
               CERTAIN SHARES*                                               / /
- --------------------------------------------------------------------------------
    11         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                    1.1%
- --------------------------------------------------------------------------------
    12         TYPE OF REPORTING PERSON*

                    PN
================================================================================

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 5 of 14 Pages
- ----------------------                                    ----------------------


================================================================================
     1         NAME OF REPORTING PERSONS
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                    ACCIPITER LIFE SCIENCES FUND II (OFFSHORE), LTD.
- --------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
     3         SEC USE ONLY

- --------------------------------------------------------------------------------
     4         CITIZENSHIP OR PLACE OF ORGANIZATION

                    CAYMAN ISLANDS
- --------------------------------------------------------------------------------
 NUMBER OF         5     SOLE VOTING POWER
   SHARES
BENEFICIALLY                  147,159 shares
  OWNED BY     -----------------------------------------------------------------
    EACH           6     SHARED VOTING POWER
 REPORTING
PERSON WITH                   0 shares
               -----------------------------------------------------------------
                   7     SOLE DISPOSITIVE POWER

                              147,159 shares
               -----------------------------------------------------------------
                   8     SHARED DISPOSITIVE POWER

                              0 shares
- --------------------------------------------------------------------------------
     9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                    147,159 shares
- --------------------------------------------------------------------------------
    10         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
               CERTAIN SHARES*                                               / /
- --------------------------------------------------------------------------------
    11         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                    1.6%
- --------------------------------------------------------------------------------
    12         TYPE OF REPORTING PERSON*

                    OO
================================================================================

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 6 of 14 Pages
- ----------------------                                    ----------------------


================================================================================
     1         NAME OF REPORTING PERSONS
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                    ACCIPITER LIFE SCIENCES FUND II (QP), LP
- --------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
     3         SEC USE ONLY

- --------------------------------------------------------------------------------
     4         CITIZENSHIP OR PLACE OF ORGANIZATION

                    DELAWARE
- --------------------------------------------------------------------------------
 NUMBER OF         5     SOLE VOTING POWER
   SHARES
BENEFICIALLY                  95,764 shares
  OWNED BY     -----------------------------------------------------------------
    EACH           6     SHARED VOTING POWER
 REPORTING
PERSON WITH                   0 shares
               -----------------------------------------------------------------
                   7     SOLE DISPOSITIVE POWER

                              95,764 shares
               -----------------------------------------------------------------
                   8     SHARED DISPOSITIVE POWER

                              0 shares
- --------------------------------------------------------------------------------
     9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                    95,764 shares
- --------------------------------------------------------------------------------
    10         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
               CERTAIN SHARES*                                               / /
- --------------------------------------------------------------------------------
    11         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                    1.0%
- --------------------------------------------------------------------------------
    12         TYPE OF REPORTING PERSON*

                    PN
================================================================================

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 7 of 14 Pages
- ----------------------                                    ----------------------


================================================================================
     1         NAME OF REPORTING PERSONS
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                    CANDENS CAPITAL, LLC
- --------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
     3         SEC USE ONLY

- --------------------------------------------------------------------------------
     4         CITIZENSHIP OR PLACE OF ORGANIZATION

                    DELAWARE
- --------------------------------------------------------------------------------
 NUMBER OF         5     SOLE VOTING POWER
   SHARES
BENEFICIALLY                  0 shares
  OWNED BY     -----------------------------------------------------------------
    EACH           6     SHARED VOTING POWER
 REPORTING
PERSON WITH                   215,231 shares
               -----------------------------------------------------------------
                   7     SOLE DISPOSITIVE POWER

                              0 shares
               -----------------------------------------------------------------
                   8     SHARED DISPOSITIVE POWER

                              215,231 shares
- --------------------------------------------------------------------------------
     9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                    215,231 shares
- --------------------------------------------------------------------------------
    10         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
               CERTAIN SHARES*                                               / /
- --------------------------------------------------------------------------------
    11         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                    2.3%
- --------------------------------------------------------------------------------
    12         TYPE OF REPORTING PERSON*

                    OO
================================================================================

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 8 of 14 Pages
- ----------------------                                    ----------------------


================================================================================
     1         NAME OF REPORTING PERSONS
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                    ACCIPITER CAPITAL MANAGEMENT, LLC
- --------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
     3         SEC USE ONLY

- --------------------------------------------------------------------------------
     4         CITIZENSHIP OR PLACE OF ORGANIZATION

                    DELAWARE
- --------------------------------------------------------------------------------
 NUMBER OF         5     SOLE VOTING POWER
   SHARES
BENEFICIALLY                  0 shares
  OWNED BY     -----------------------------------------------------------------
    EACH           6     SHARED VOTING POWER
 REPORTING
PERSON WITH                   167,028 shares
               -----------------------------------------------------------------
                   7     SOLE DISPOSITIVE POWER

                              0 shares
               -----------------------------------------------------------------
                   8     SHARED DISPOSITIVE POWER

                              167,028 shares
- --------------------------------------------------------------------------------
     9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                    167,028 shares
- --------------------------------------------------------------------------------
    10         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
               CERTAIN SHARES*                                               / /
- --------------------------------------------------------------------------------
    11         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                    1.8%
- --------------------------------------------------------------------------------
    12         TYPE OF REPORTING PERSON*

                    OO
================================================================================

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 9 of 14 Pages
- ----------------------                                    ----------------------


================================================================================
     1         NAME OF REPORTING PERSONS
               I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

                    GABE HOFFMAN
- --------------------------------------------------------------------------------
     2         CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*         (a) / /
                                                                         (b) / /
- --------------------------------------------------------------------------------
     3         SEC USE ONLY

- --------------------------------------------------------------------------------
     4         CITIZENSHIP OR PLACE OF ORGANIZATION

                    USA
- --------------------------------------------------------------------------------
 NUMBER OF         5     SOLE VOTING POWER
   SHARES
BENEFICIALLY                  0 shares
  OWNED BY     -----------------------------------------------------------------
    EACH           6     SHARED VOTING POWER
 REPORTING
PERSON WITH                   382,259 shares
               -----------------------------------------------------------------
                   7     SOLE DISPOSITIVE POWER

                              0 shares
               -----------------------------------------------------------------
                   8     SHARED DISPOSITIVE POWER

                              382,259 shares
- --------------------------------------------------------------------------------
     9         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
               PERSON

                    382,259 shares
- --------------------------------------------------------------------------------
    10         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
               CERTAIN SHARES*                                               / /
- --------------------------------------------------------------------------------
    11         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

                    4.1%
- --------------------------------------------------------------------------------
    12         TYPE OF REPORTING PERSON*

                    IN
================================================================================

                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 10 of 14 Pages
- ----------------------                                    ----------------------

Item 1(a).  Name of Issuer:

            Emergency Medical Services Corporation

Item 1(b).  Address of Issuer's Principal Executive Offices:

            6200 S. Syracuse Way
            Suite 200
            Greenwood Village, Colorado 80111

Item 2(a).  Name of Person Filing:

            This statement is jointly filed by Accipiter Life Sciences Fund, LP,
            a Delaware  limited  partnership  ("ALSF"),  Accipiter Life Sciences
            Fund  (Offshore),  Ltd.,  a  Cayman  Islands  company  ("Offshore"),
            Accipiter Life Sciences Fund II, LP, a Delaware limited  partnership
            ("ALSF II"),  Accipiter  Life Sciences Fund II  (Offshore),  Ltd., a
            Cayman Islands Company ("Offshore II"), Accipiter Life Sciences Fund
            II (QP), LP, a Delaware  limited  partnership  ("QP II"),  Accipiter
            Capital  Management,  LLC,  a  Delaware  limited  liability  company
            ("Management"),  Candens Capital,  LLC, a Delaware limited liability
            company  ("Candens") and Gabe Hoffman  (together with ALSF, ALSF II,
            Offshore, Offshore II, QP II, Management and Candens, the "Reporting
            Person").  Gabe  Hoffman is the  managing  member of  Candens  (Gabe
            Hoffman  and Candens are  hereinafter  referred to as the  "Domestic
            Controlling Persons"),  which in turn is the general partner of ALSF
            and ALSF II and QP II, and the managing  member of Management  (Gabe
            Hoffman and Management are  hereinafter  referred to as the "Foreign
            Controlling  Persons"),  which in turn is the investment  manager of
            Offshore and Offshore II.  Consequently,  Mr. Hoffman,  the Domestic
            Controlling  Persons and Foreign  Controlling Persons may be deemed,
            pursuant to Rule 13d-3 of the  Securities  Exchange Act of 1934,  as
            amended (the "Act"),  to be the  beneficial  owners of all shares of
            Class A Common Stock held by ALSF,  ALSF II,  Offshore,  Offshore II
            and QP II. The Reporting Persons are filing this joint statement, as
            they may be considered a "group" under Section  13(d)(3) of the Act.
            However,  neither this filing nor anything contained herein shall be
            deemed to be an admission by the Reporting Persons that such a group
            exists.

Item 2(b).  Address of Principal Business Office or, if None, Residence:

            399 Park Avenue, 38th Floor
            New York, New York 10022

Item 2(c).  Citizenship:

            ALSF, ALSF II, QP II, Candens and Management are organized under the
            laws  of  the  State  of  Delaware.  Offshore  and  Offshore  II are
            organized  under the laws of the Cayman  Islands.  Gabe Hoffman is a
            citizen of the United States of America.

Item 2(d).  Title of Class of Securities:

            Class A Common Stock, par value $0.01 per share




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 11 of 14 Pages
- ----------------------                                    ----------------------

Item 2(e).  CUSIP Number:

            29100P102

Item 3.     If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or
            (c), Check Whether the Person Filing is a:

            /X/   Not Applicable

      (a)   / /   Broker or dealer  registered  under Section 15 of the Exchange
                  Act.

      (b)   / /   Bank as defined in Section 3(a)(6) of the Exchange Act.

      (c)   / /   Insurance  company  as  defined  in  Section  3(a)(19)  of the
                  Exchange Act.

      (d)   / /   Investment   company   registered   under  Section  8  of  the
                  Investment Company Act.

      (e)   /  /  An    investment    adviser    in    accordance    with   Rule
                  13d-1(b)(1)(ii)(E).

      (f)   / /   An employee  benefit plan or endowment fund in accordance with
                  Rule 13d-1(b)(1)(ii)(F).

      (g)   / /   A parent holding  company or control person in accordance with
                  Rule 13d-1(b)(1)(ii)(G).

      (h)   / /   A  savings  association  as  defined  in  Section  3(b) of the
                  Federal Deposit Insurance Act.

      (i)   / /   A church  plan  that is  excluded  from the  definition  of an
                  investment  company under Section  3(c)(14) of the  Investment
                  Company Act.

      (j)   / /   Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

Item 4.     Ownership

            The percentages used herein are calculated based on 9,262,853 shares
            of  Class A Common  Stock  outstanding  as of  November  1,  2006 as
            reported in the  Issuer's  quarterly  report on Form 10-Q filed with
            the Securities and Exchange Commission on November 7, 2006.

            See Cover Pages, Items 5-11.

Item 5.     Ownership of Five Percent or Less of a Class.

            If this  statement  is being filed to report the fact that as of the
date hereof the reporting  person has ceased to be the beneficial  owner of more
than five percent of the class of securities, check the following [X].




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 12 of 14 Pages
- ----------------------                                    ----------------------


Item 6.     Ownership of More than Five Percent on Behalf of Another Person.

            Not Applicable


Item 7.     Identification and Classification of the Subsidiary Which
            Acquired the Security Being Reported on by the Parent Holding
            Company or Control Person.

            Not Applicable

Item 8.     Identification and Classification of Members of the Group.

            See Exhibit A to Amendment No. 2 to this Schedule 13G.

Item 9.     Notice of Dissolution of Group.

            Not Applicable

Item 10.    Certifications.

            By signing  below I certify  that,  to the best of my knowledge  and
belief, the securities  referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing  the control of the
issuer of the  securities  and were not acquired and are not held in  connection
with or as a participant in any transaction having that purpose or effect.




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 13 of 14 Pages
- ----------------------                                    ----------------------


                                    SIGNATURE
                                    ---------

            After reasonable inquiry and to the best of my knowledge and belief,
I certify that the information set forth in this statement is true, complete and
correct.

Dated: January 18, 2007                  ACCIPITER LIFE SCIENCES FUND, LP

                                         By: Candens Capital, LLC
                                             its general partner

                                         By: /s/ Gabe Hoffman
                                             -----------------------------------
                                             Gabe Hoffman, Managing Member


                                         ACCIPITER LIFE SCIENCES FUND II, LP

                                         By: Candens Capital, LLC
                                             its general partner

                                         By: /s/ Gabe Hoffman
                                             -----------------------------------
                                             Gabe Hoffman, Managing Member


                                         ACCIPITER LIFE SCIENCES FUND
                                         (OFFSHORE), LTD.

                                         By: Accipiter Capital Management, LLC
                                             its investment manager

                                         By: /s/ Gabe Hoffman
                                             -----------------------------------
                                             Gabe Hoffman, Managing Member


                                         ACCIPITER LIFE SCIENCES FUND II
                                         (OFFSHORE), LTD.

                                         By: Accipiter Capital Management, LLC
                                             its investment manager

                                         By: /s/ Gabe Hoffman
                                             -----------------------------------
                                             Gabe Hoffman, Managing Member




- ----------------------                                    ----------------------
CUSIP No. 29100P102                   13D                    Page 14 of 14 Pages
- ----------------------                                    ----------------------


                                         ACCIPITER LIFE SCIENCES FUND II (QP),
                                         LP

                                         By: Candens Capital, LLC
                                             its general partner

                                         By: /s/ Gabe Hoffman
                                             -----------------------------------
                                             Gabe Hoffman, Managing Member


                                         ACCIPITER CAPITAL MANAGEMENT, LLC

                                         By: /s/ Gabe Hoffman
                                             -----------------------------------
                                             Gabe Hoffman, Managing Member


                                         CANDENS CAPITAL, LLC

                                         By: /s/ Gabe Hoffman
                                             -----------------------------------
                                             Gabe Hoffman, Managing Member


                                         /s/ Gabe Hoffman
                                         ----------------------------------------
                                         GABE HOFFMAN
-----END PRIVACY-ENHANCED MESSAGE-----