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) April 27, 2004

                                 SEMITOOL, INC.
             (Exact name of registrant as specified in its charter)

                                     0-25424
                            (Commission File Number)

          Montana                                         81-0384392
(State or other jurisdiction                           (I.R.S. Employer
      of incorporation)                               Identification No.)

                                 Semitool, Inc.
                655 West Reserve Drive, Kalispell, Montana 59901
                                 (406) 752-2107
          (Address, including zip code, and telephone number, including
             area code, of registrant's principal executive offices)








Item 5. Other Events and Regulation FD Disclosure

On April 27, 2004, Semitool, Inc. announced the appointment of Steve Stahlberg
to the Board of Directors and Audit Committee and named Larry Murphy as
Executive Vice President and COO, effective May 24, 2004. A copy of the press
release announcing the appointments is attached hereto as Exhibit 99.1 and
incorporated by reference herein in its entirety.

Item 7.  Financial Statements and Exhibits
   (c) Exhibits:

       Exhibit No.                  Description
       -----------                  -----------
       Exhibit 99.1                 Press Release dated April 27, 2004

The information in this report (including Exhibit 99.1) is being furnished
pursuant to Item 5 and shall not be deemed to be "filed" for purposes of Section
18 of the Securities Exchange Act of 1934 (the "Exchange Act") or otherwise
subject to the liabilities of that section, nor shall it be deemed to be
incorporated by reference in any filing under the Securities Act of 1933 or the
Exchange Act.


                                   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 thereunto duly authorized.

                                                         SEMITOOL, INC.
                                                         (Registrant)

       Date:  April 27, 2004                         By: /s/ Larry A. Viano
                                                         ----------------------
                                                         Larry A. Viano
                                                         Chief Financial Officer