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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                -----------------
                                   SCHEDULE TO
                                  (RULE 13E-4)
                               (Amendment No. 8)

            TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR 13(e)(1)
                     OF THE SECURITIES EXCHANGE ACT OF 1934
                                -----------------
                             INFORMATICA CORPORATION
         (Name of Subject Company (Issuer) and Filing Person (Offeror))
                                -----------------
          OPTIONS TO PURCHASE COMMON STOCK, PAR VALUE $0.001 PER SHARE
                         (Title of Class of Securities)
                                -----------------
                                   45666Q-10-Z
                      (CUSIP Number of Class of Securities)
                            (Underlying Common Stock)
                                -----------------
                                GAURAV S. DHILLON
                             CHIEF EXECUTIVE OFFICER
                             INFORMATICA CORPORATION
                              3350 W. BAYSHORE ROAD
                           PALO ALTO, CALIFORNIA 94303
                                 (650) 687-6200
                 (Name, address, and telephone number of person
                authorized to receive notices and communications
                           on behalf of filing person)
                                -----------------
                                   COPIES TO:
                             MARK A. BERTELSEN, ESQ.
                              JOSE F. MACIAS, ESQ.
                              J. ROL WILLIAMS, ESQ.
                        WILSON SONSINI GOODRICH & ROSATI
                            PROFESSIONAL CORPORATION
                               650 PAGE MILL ROAD
                               PALO ALTO, CA 94304
                                 (650) 493-9300
                                -----------------
                            CALCULATION OF FILING FEE


                                                
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      TRANSACTION VALUATION*                       AMOUNT OF FILING FEE
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           $111,390,307                                 $22,287**
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*      Calculated solely for purposes of determining the filing fee. This amount
       assumes that options to purchase 11,569,972 shares of common stock of
       Informatica Corporation having an aggregate value of $111,390,307 as of
       August 14, 2001 will be exchanged pursuant to this offer. The aggregate
       value of such options was calculated based on the Black-Scholes option
       pricing model. The amount of the filing fee, calculated in accordance
       with Rule 0-11(b) of the Securities Exchange Act of 1934, as amended,
       equals 1/50th of one percent of the value of the transaction.

**     Previously paid.

[X]    Check box if any part of the fee is offset as provided by Rule 0-11(a)(2)
       and identify the filing with which the offsetting fee was previously
       paid. Identify the previous filing by registration statement number, or
       the Form or Schedule and the date of its filing.

                         Amount Previously Paid: $22,287
                         Form or Registration No.: Schedule TO
                         Filing party: Informatica Corporation
                         Date filed: July 20, 2001

[ ]    Check box if the filing relates solely to preliminary communications made
       before the commencement of a tender offer.

Check the appropriate boxes to designate any transactions to which the statement
relates:

       [ ]    third-party tender offer subject to Rule 14d-1.
       [X]    issuer tender offer subject to Rule 13e-4.
       [ ]    going-private transaction subject to Rule 13e-3.
       [ ]    amendment to Schedule 13D under Rule 13d-2.

Check the following box if the filing is a final amendment reporting the results
of the tender offer: [X]

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                             INTRODUCTORY STATEMENT

         This Amendment No. 8 amends and supplements the Tender Offer Statement
on Schedule TO filed by Informatica Corporation (the "Company") with the
Securities and Exchange Commission (the "SEC") on July 20, 2001, as amended by
Amendment No. 1 to the Tender Offer Statement on Schedule TO filed with the SEC
on July 23, 2001, Amendment No. 2 to the Tender Offer Statement on Schedule TO
filed with the SEC on July 24, 2001, Amendment No. 3 to the Tender Offer
Statement on Schedule TO filed with the SEC on August 15, 2001, Amendment No. 4
to the Tender Offer Statement on Schedule TO filed with the SEC on August 21,
2001, Amendment No. 5 to the Tender Offer Statement on Schedule TO filed with
the SEC on August 22, 2001, Amendment No. 6 to the Tender Offer Statement on
Schedule TO filed with the SEC on August 30, 2001 and Amendment No. 7 to the
Tender Offer Statement on Schedule TO filed with the SEC on September 12, 2001
(the "Schedule TO"), relating to an offer by the Company to exchange outstanding
options to purchase the Company's common stock as set forth in the Schedule TO
held by eligible employees of the Company for new options to purchase shares of
the Company's common stock. This exchange offer will occur upon the terms and
subject to the conditions described in (1) the Offer to Exchange filed as
Exhibit (a)(1) to the Schedule TO, (2) the Memorandum from Gaurav S. Dhillon
filed as Exhibit (a)(2) to the Schedule TO, (3) the Election Form filed as
Exhibit (a)(3) to the Schedule TO, (4) the Notice to Withdraw from the Offer
filed as Exhibit (a)(4) to the Schedule TO and (5) the Form of Promise to Grant
Stock Option(s) filed as Exhibit (a)(5) to the Schedule TO.

         This Amendment No. 8 amends the Schedule TO in order to report the
final results of the exchange offer. A total of 651 persons elected to
participate in the exchange offer. These 651 persons tendered a total of
7,739,227 options to purchase the Company's Common Stock in return for promises
to grant new options on the grant date of March 15, 2002.

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                                    SIGNATURE

       After due inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this Schedule TO is true, complete and
correct.

                                        INFORMATICA CORPORATION

                                        /s/ Earl E. Fry
                                        ----------------------------------------
                                        Earl E. Fry
                                        Chief Financial Officer and Senior Vice
                                        President


Date: September 17, 2001