<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8k122206.txt
<TEXT>
                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT


     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

       Date of Report (Date of Earliest Event Reported): December 22, 2006


                          LIFE SCIENCES RESEARCH, INC.
                         ------------------------------
             (Exact name of registrant as specified in its charter)


     Maryland                          0-33505                   52-2340150
     --------                          -------                   ----------
(State or other jurisdiction     (Commission File Number)    (I.R.S. Employer
     of incorporation)                                      Identification No.)


           P.O. BOX 2360, METTLERS ROAD, EAST MILLSTONE, NJ 08875-2360
                    (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)
        REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: 732-649-9961


                                 Not Applicable
                            -------------------------
           Former name or former address, if changed since last report


Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

[  ] Written communications  pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[  ] Soliciting  material  pursuant to Rule 14a-12 under the Exchange Act (17
     CFR 240.14a-12)

[  ] Pre-commencement  communications  pursuant  to Rule  14d-2(b)  under the
     Exchange Act (17 CFR 240.14d-2(b))

[  ] Pre-commencement  communications  pursuant  to Rule  13e-4(c)  under the
     Exchange Act (17 CFR 240.13e-4(c))


<PAGE>


Item 3.01. Transfer of Listing.

Life Sciences  Research,  Inc. (the "Company") issued a press release announcing
the listing of its common stock on NYSE Arca, Inc. ("NYSE Arca") and the trading
of the Company's  shares on NYSE Arca under the symbol LSR,  effective  December
22, 2006. NYSE Arca, the first U.S. open all-electronic stock exchange, provides
customers with fast electronic  execution and open,  direct and anonymous market
access.  A copy of the press release is attached as Exhibit 99.1 to this Current
Report on Form 8-K and is incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

99.1     Press Release dated December 22, 2006


<PAGE>


                                   SIGNATURES


Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.


December 22, 2006                   LIFE SCIENCES RESEARCH, INC.


                                    By:      /s/ Mark L. Bibi
                                    Name:    Mark L. Bibi
                                    Title:   Secretary and General Counsel


<PAGE>


                                  Exhibit Index


Exhibit No.       Description


99.1     Press Release dated December 22, 2006.

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