UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Key Technology, Inc. (Name of Issuer) COMMON STOCK, $.01 par value (Title of Class of Securities) 493143101 (CUSIP Number) December 27, 2001 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP NO. 493143101 13G Page 2 of 7 pages 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Needham Management Partners, L.P. 13-3683491 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [x] 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware 5 SOLE VOTING POWER NUMBER OF SHARES 295,000 shares BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING None PERSON WITH 7 SOLE DISPOSITIVE POWER 295,000 shares 8 SHARED DISPOSITIVE POWER None 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 295,000 shares of common stock, par value $0.01, of the Issuer ("Shares") (includes: 100,000 Shares beneficially owned by Needham Emerging Growth Partners, L.P., 155,000 Shares beneficially owned by Needham Contrarian Fund, L.P. and 40,000 Shares beneficially owned by Needham Emerging Growth Partners (Caymans), L.P. which Needham Management Partners, L.P. may be deemed to beneficially own by virtue of its position as general partner of each of the above private limited partnerships). 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 6.2% 12 TYPE OF REPORTING PERSON PN CUSIP NO. 493143101 13G Page 3 of 7 pages 1 NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON George A. Needham 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [x] 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION USA 5 SOLE VOTING POWER NUMBER OF SHARES None BENEFICIALLY OWNED BY 6 SHARED VOTING POWER EACH REPORTING 295,000 shares PERSON WITH 7 SOLE DISPOSITIVE POWER None 8 SHARED DISPOSITIVE POWER 295,000 shares 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 295,000 Shares (includes: (i) 100,000 Shares beneficially owned by Needham Emerging Growth Partners, L.P., 155,000 Shares beneficially owned by Needham Contrarian Fund, L.P. and 40,000 Shares beneficially owned by Needham Emerging Growth Partners (Caymans), L.P. which Mr. Needham may be deemed to beneficially own by virtue of his position as Managing General Partner of Needham Management Partners, L.P.). 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 6.2% 12 TYPE OF REPORTING PERSON IN Page 4 of 7 pages Item 1(a) NAME OF ISSUER: Key Technology, Inc. Item 1(b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 150 Avery Street Walla Walla, WA 99362 Item 2(a) NAME OF PERSON FILING: (i) Needham Management Partners, L.P. in its capacity as general partner of each of Needham Emerging Growth Partners, L.P., Needham Contrarian Fund, L.P. and Needham Emerging Growth Partners (Caymans), L.P.; and (ii) George A. Needham, in his capacity as Managing General Partner of Needham Management Partners, L.P., the sole general partner of each of Needham Emerging Growth Partners, L.P., Needham Contrarian Fund, L.P. and Needham Emerging Growth Partners (Caymans), L.P. Item 2(b) Address of Principal Business Office, or if none, residence: (i) 445 Park Avenue New York, New York 10022 (ii) 445 Park Avenue New York, New York 10022 Item 2(c) CITIZENSHIP: See Item 4 of the cover pages attached hereto Item 2(d) TITLE OF CLASS OF SECURITIES: Common Stock, $.01 par value Item 2(e) CUSIP NUMBER: 493143101 Item 3 Not applicable Page 5 of 7 pages Item 4 OWNERSHIP: (a) Amount beneficially owned and (b) Percent of Class: See Items 5 through 11 of the cover pages attached hereto. The aggregate amount held by all Reporting Persons is 6.2% (295,000 shares). This Schedule 13G shall not be construed as an admission that the Reporting Person, either for purposes of Section 13(d) or 13(g) of the Securities Exchange Act of 1934, as amended (the "Act") or for other purposes, is the beneficial owner of any securities covered by this statement. (c) See Items 5 through 8 of the cover pages attached hereto Item 5 OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS: Not applicable Item 6 OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON: Not applicable Item 7 IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY: Not applicable Item 8 IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP: Not applicable Item 9 NOTICE OF DISSOLUTION OF GROUP: Not applicable Item 10 CERTIFICATION: By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. Page 6 of 7 pages SIGNATURES ---------- After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. March 12, 2003 NEEDHAM MANAGEMENT PARTNERS, L.P. By: /S/George A. Needham Name: George A. Needham Title: Managing General Partner GEORGE A. NEEDHAM By: /S/George A. Needham Page 7 of 7 pages Exhibit A AGREEMENT --------- The undersigned, Needham Management Partners, L.P. and George A. Needham, agree that the statement to which this exhibit is appended is filed on behalf of each of them. March 12, 2003 NEEDHAM MANAGEMENT PARTNERS, L.P. By: /S/George A. Needham Name: George A. Needham Title: Managing General Partner GEORGE A. NEEDHAM By: /S/George A. Needham