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): May 2, 2008
                                                            -----------

                             INVESTORS BANCORP, INC.
                             -----------------------
             (Exact name of registrant as specified in its charter)

                   Delaware             0-51557                 22-3493930
----------------------------       ---------------------    --------------------
(State or other jurisdiction       (Commission File No.)    (IRS Employer
of incorporation)                                            Identification No.)


101 JFK Parkway, Short Hills, New Jersey                       07078
----------------------------------------                  ---------------
(Address of principal executive offices)                    (Zip Code)


Registrant's telephone number, including area code:  (973) 924-5100
                                                     --------------


                                 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))





Item 7.01       Regulation FD Disclosure.
                -------------------------

     As previously  disclosed,  Investors Bancorp,  Inc.  ("Investors  Bancorp")
entered into an  Agreement  and Plan of Merger with Summit  Federal  Bankshares,
Inc. As required by the Office of Thrift  Supervision  (OTS),  Investors Bancorp
has agreed to issue additional shares of its common stock to Investors  Bancorp,
MHC ("Investors  MHC"), based on a pro forma market valuation of Summit Federal.
An  independent  appraisal has  determined  that,  as of March 17, 2008,  Summit
Federal had a pro forma market value of $25.0 million.

     At the  closing  of the  merger,  which is  expected  to occur in June 2008
subject to receipt of  depositor  (Summit  Federal)  and  regulatory  approvals,
Investors  Bancorp will issue the additional shares of common stock to Investors
MHC.  The number of shares of common  stock to be issued to  Investors  MHC will
equal $25.0 million divided by the average of the closing sales price of a share
of Investors  Bancorp common stock, as reported on the Nasdaq Stock Market,  for
the twenty  (20)  consecutive  trading  days  ending on the second  trading  day
preceding the completion date of the merger.


Item 9.01.      Financial Statements and Exhibits.
                ----------------------------------

(a) Not Applicable.

(b) Not Applicable.

(c) Not Applicable.

(d) Exhibits. None








                                   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.

                                           INVESTORS BANCORP, INC.



DATE:  May 6, 2008                      By: /s/ Kevin Cummings
                                           -------------------------------------
                                           Kevin Cummings
                                           President and Chief Executive Officer