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                       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): October 24, 2007



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

         DELAWARE                  1-16239                  06-1481060
     (State or other       (Commission file number)      (I.R.S. employer
     jurisdiction of                                   identification no.)
     incorporation or
      organization)

     7 COMMERCE DRIVE
   DANBURY, CONNECTICUT                                       06810
  (Address of principal                                     (Zip code)
    executive offices)


       Registrant's telephone number, including area code: (203) 794-1100


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 (see General Instruction A.2. below):

[_]   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))

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ITEM 2.02   RESULTS OF OPERATIONS AND FINANCIAL CONDITION.


      On October 24, 2007, the registrant issued a press release announcing its
financial results for the third quarter of 2007. A copy of the press release is
furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated
herein by reference.

      The information contained in this Item 2.02 of this Current Report on Form
8-K, including Exhibit 99.1 attached hereto, is furnished and shall not be
deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act
of 1934, as amended, or otherwise subject to the liabilities of that Section,
and shall not be deemed to be incorporated by reference into the filings of the
registrant under the Securities Act of 1933, as amended, except as shall be
expressly set forth by specific reference in such filing.


ITEM 9.01   FINANCIAL STATEMENTS AND EXHIBITS.

      (d)  Exhibits.

      Exhibit Number          Description
      --------------          -----------

      99.1                    Press Release, dated October 24, 2007.





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                                    SIGNATURE

         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.




                                      ATMI, INC.


Date: October 24, 2007                By:  /s/  Timothy C. Carlson
                                          -----------------------------------
                                          Timothy C. Carlson
                                          Title: Executive Vice President, Chief
                                          Financial Officer and Treasurer