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                                  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) September 21, 2005

                             SOMANETICS CORPORATION
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             (Exact name of registrant as specified in its charter)

            Michigan                    0-19095                38-2394784
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  (State or other jurisdiction        (Commission             (IRS Employer
       of incorporation)              File Number)         Identification No.)

        1653 East Maple Road, Troy, Michigan                   48083-4208
      ----------------------------------------                 ----------
      (Address of principal executive offices)                 (Zip Code)

        Registrant's telephone number, including area code (248) 689-3050

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 communication pursuant to Rule 425 under the Securities Act.

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange Act.

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

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

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ITEM 2.02.   RESULTS OF OPERATIONS AND FINANCIAL CONDITION

         On September 21, 2005, Somanetics Corporation announced its financial
results for the third quarter ended August 31, 2005 and certain other
information. A copy of the press release is furnished with this report following
the signature page and is incorporated in this Item 2.02 by reference. The
information in this report and the attached press release shall not be deemed
filed for purposes of Section 18 of the Securities Exchange Act of 1934, nor
shall it be deemed incorporated by reference in any filing under the Securities
Act of 1933, except as shall be expressly stated by specific reference in such
filing.

ITEM 9.01.   FINANCIAL STATEMENTS AND EXHIBITS

Exhibits

99.1     News release dated September 21, 2005



                                   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.


Dated:   September 21, 2005            SOMANETICS CORPORATION
                                       -----------------------------------------
                                       (Registrant)


                                       By:  /s/ Mary Ann Victor
                                            ------------------------------------
                                            Mary Ann Victor

                                       Its: Vice President of Communications and
                                            Administration and Secretary



                                  EXHIBIT INDEX

Exhibit    Description
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99.1       News release dated September 21, 2005