SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Amendment No. ___ Under the Securities Exchange Act of 1934 EXTREME NETWORKS, INC. ------------------------------ (Name of Issuer) Common Stock ------------------------------ (Title of Class of Securities) 30226D106 ------------------------------ (CUSIP Number) Austin Grose One First Street, Suite 2 Los Altos, CA 94022 (650) 917-5905 ------------------------------ (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) July 26, 1999 ------------------------------ (Date of Event which Requires Filing of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of ss. 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. NOTE: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See ss.240.13d-7(b) for other parties to whom copies are to be sent. * 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 disclosures provided in a prior cover page. The information required on 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). (Continued on following page(s)) Page 1 of 14 pagesCUSIP No. 30226D106 13D Page 2 of 14 Pages - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Associated Venture Investors III, L.P. - -------------------------------------------------------------------------------- (2) Check The Appropriate Box If A Member Of A Group (a) (b) X - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Source Of Funds* WC - -------------------------------------------------------------------------------- (5) Check Box If Disclosure Of Legal Proceedings Is Required Pursuant To Items 2(d) Or 2(e) - -------------------------------------------------------------------------------- (6) Citizenship Or Place Of Organization California - -------------------------------------------------------------------------------- Number Of Shares (7) Sole Voting Power 809,698 Beneficially Owned By Each Reporting (8) Shared Voting Power -0- Person With (9) Sole Dispositive Power 809,698 (10) Shared Dispositive Power -0- (11) Aggregate Amount Beneficially Owned By Each Reporting Person 809,698 - -------------------------------------------------------------------------------- (12) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - -------------------------------------------------------------------------------- (13) Percent Of Class Represented By Amount In Row (11) 1.77% - -------------------------------------------------------------------------------- (14) Type Of Reporting Person PN - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! CUSIP No. 30226D106 13D Page 3 of 14 Pages - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons AVI - Silicon Valley Partners, L.P. - -------------------------------------------------------------------------------- (2) Check The Appropriate Box If A Member Of A Group (a) (b) X - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Source Of Funds* AF - -------------------------------------------------------------------------------- (5) Check Box If Disclosure Of Legal Proceedings Is Required Pursuant To Items 2(d) Or 2(e) - -------------------------------------------------------------------------------- (6) Citizenship Or Place Of Organization California - -------------------------------------------------------------------------------- Number Of Shares (7) Sole Voting Power 55,705 Beneficially Owned By Each Reporting (8) Shared Voting Power -0- Person With (9) Sole Dispositive Power 55,705 (10) Shared Dispositive Power -0- (11) Aggregate Amount Beneficially Owned By Each Reporting Person 55,705 - -------------------------------------------------------------------------------- (12) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - -------------------------------------------------------------------------------- (13) Percent Of Class Represented By Amount In Row (11) 0.12% - -------------------------------------------------------------------------------- (14) Type Of Reporting Person PN - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! CUSIP No. 30226D106 13D Page 4 of 14 Pages - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons AVI Partners Growth Fund II, L.P. - -------------------------------------------------------------------------------- (2) Check The Appropriate Box If A Member Of A Group (a) (b) X - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Source Of Funds* WC - -------------------------------------------------------------------------------- (5) Check Box If Disclosure Of Legal Proceedings Is Required Pursuant To Items 2(d) Or 2(e) - -------------------------------------------------------------------------------- (6) Citizenship Or Place Of Organization California - -------------------------------------------------------------------------------- Number Of Shares (7) Sole Voting Power 148,549 Beneficially Owned By Each Reporting (8) Shared Voting Power -0- Person With (9) Sole Dispositive Power 148,549 (10) Shared Dispositive Power -0- (11) Aggregate Amount Beneficially Owned By Each Reporting Person 148,549 - -------------------------------------------------------------------------------- (12) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - -------------------------------------------------------------------------------- (13) Percent Of Class Represented By Amount In Row (11) 0.32% - -------------------------------------------------------------------------------- (14) Type Of Reporting Person PN - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! CUSIP No. 30226D106 13D Page 5 of 14 Pages - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons AVI Management Partners III, L.P. - -------------------------------------------------------------------------------- (2) Check The Appropriate Box If A Member Of A Group (a) (b) X - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Source Of Funds* WC - -------------------------------------------------------------------------------- (5) Check Box If Disclosure Of Legal Proceedings Is Required Pursuant To Items 2(d) Or 2(e) - -------------------------------------------------------------------------------- (6) Citizenship Or Place Of Organization California - -------------------------------------------------------------------------------- Number Of Shares (7) Sole Voting Power 1,013,952 Beneficially Owned By Each Reporting (8) Shared Voting Power -0- Person With (9) Sole Dispositive Power 1,013,952 (10) Shared Dispositive Power -0- (11) Aggregate Amount Beneficially Owned By Each Reporting Person 1,013,952 - -------------------------------------------------------------------------------- (12) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - -------------------------------------------------------------------------------- (13) Percent Of Class Represented By Amount In Row (11) 2.21% - -------------------------------------------------------------------------------- (14) Type Of Reporting Person PN - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! CUSIP No. 30226D106 13D Page 6 of 14 Pages - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons AVI Capital, L.P. - -------------------------------------------------------------------------------- (2) Check The Appropriate Box If A Member Of A Group (a) (b) X - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Source Of Funds* WC - -------------------------------------------------------------------------------- (5) Check Box If Disclosure Of Legal Proceedings Is Required Pursuant To Items 2(d) Or 2(e) - -------------------------------------------------------------------------------- (6) Citizenship Or Place Of Organization California - -------------------------------------------------------------------------------- Number Of Shares (7) Sole Voting Power 5,026,642 Beneficially Owned By Each Reporting (8) Shared Voting Power -0- Person With (9) Sole Dispositive Power 5,026,642 (10) Shared Dispositive Power -0- (11) Aggregate Amount Beneficially Owned By Each Reporting Person 5,026,642 - -------------------------------------------------------------------------------- (12) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - -------------------------------------------------------------------------------- (13) Percent Of Class Represented By Amount In Row (11) 10.96% - -------------------------------------------------------------------------------- (14) Type Of Reporting Person PN - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! CUSIP No. 30226D106 13D Page 7 of 14 Pages - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons AVI Capital Management, L.P. - -------------------------------------------------------------------------------- (2) Check The Appropriate Box If A Member Of A Group (a) (b) X - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Source Of Funds* WC - -------------------------------------------------------------------------------- (5) Check Box If Disclosure Of Legal Proceedings Is Required Pursuant To Items 2(d) Or 2(e) - -------------------------------------------------------------------------------- (6) Citizenship Or Place Of Organization California - -------------------------------------------------------------------------------- Number Of Shares (7) Sole Voting Power 5,026,642 Beneficially Owned By Each Reporting (8) Shared Voting Power -0- Person With (9) Sole Dispositive Power 5,026,642 (10) Shared Dispositive Power -0- (11) Aggregate Amount Beneficially Owned By Each Reporting Person 5,026,642 - -------------------------------------------------------------------------------- (12) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - -------------------------------------------------------------------------------- (13) Percent Of Class Represented By Amount In Row (11) 10.96% - -------------------------------------------------------------------------------- (14) Type Of Reporting Person PN - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! CUSIP No. 30226D106 13D Page 8 of 14 Pages - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Peter L. Wolken - -------------------------------------------------------------------------------- (2) Check The Appropriate Box If A Member Of A Group (a) (b) X - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Source Of Funds* AF - -------------------------------------------------------------------------------- (5) Check Box If Disclosure Of Legal Proceedings Is Required Pursuant To Items 2(d) Or 2(e) - -------------------------------------------------------------------------------- (6) Citizenship Or Place Of Organization U.S.A. - -------------------------------------------------------------------------------- Number Of Shares (7) Sole Voting Power 5,026,642 Beneficially Owned By Each Reporting (8) Shared Voting Power -0- Person With (9) Sole Dispositive Power 5,026,642 (10) Shared Dispositive Power -0- (11) Aggregate Amount Beneficially Owned By Each Reporting Person 6,040,594 - -------------------------------------------------------------------------------- (12) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - -------------------------------------------------------------------------------- (13) Percent Of Class Represented By Amount In Row (11) 13.17% - -------------------------------------------------------------------------------- (14) Type Of Reporting Person IN - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! CUSIP No. 30226D106 13D Page 9 of 14 Pages - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Brian J. Grossi - -------------------------------------------------------------------------------- (2) Check The Appropriate Box If A Member Of A Group (a) (b) X - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Source Of Funds* AF - -------------------------------------------------------------------------------- (5) Check Box If Disclosure Of Legal Proceedings Is Required Pursuant To Items 2(d) Or 2(e) - -------------------------------------------------------------------------------- (6) Citizenship Or Place Of Organization U.S.A. - -------------------------------------------------------------------------------- Number Of Shares (7) Sole Voting Power 6,040,594 Beneficially Owned By Each Reporting (8) Shared Voting Power -0- Person With (9) Sole Dispositive Power 6,040,594 (10) Shared Dispositive Power -0- (11) Aggregate Amount Beneficially Owned By Each Reporting Person 6,040,594 - -------------------------------------------------------------------------------- (12) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - -------------------------------------------------------------------------------- (13) Percent Of Class Represented By Amount In Row (11) 13.17% - -------------------------------------------------------------------------------- (14) Type Of Reporting Person IN - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! CUSIP No. 30226D106 13D Page 10 of 14 Pages - -------------------------------------------------------------------------------- (1) Names of Reporting Persons. SS or I.R.S. Identification Nos. of Above Persons Barry M. Weinman - -------------------------------------------------------------------------------- (2) Check The Appropriate Box If A Member Of A Group (a) (b) X - -------------------------------------------------------------------------------- (3) SEC Use Only - -------------------------------------------------------------------------------- (4) Source Of Funds* AF - -------------------------------------------------------------------------------- (5) Check Box If Disclosure Of Legal Proceedings Is Required Pursuant To Items 2(d) Or 2(e) - -------------------------------------------------------------------------------- (6) Citizenship Or Place Of Organization U.S.A. - -------------------------------------------------------------------------------- Number Of Shares (7) Sole Voting Power -0- Beneficially Owned By Each Reporting (8) Shared Voting Power 6,040,594 Person With (9) Sole Dispositive Power -0- (10) Shared Dispositive Power 6,040,594 (11) Aggregate Amount Beneficially Owned By Each Reporting Person 6,040,594 - -------------------------------------------------------------------------------- (12) Check If The Aggregate Amount In Row (11) Excludes Certain Shares* - -------------------------------------------------------------------------------- (13) Percent Of Class Represented By Amount In Row (11) 13.17% - -------------------------------------------------------------------------------- (14) Type Of Reporting Person IN - -------------------------------------------------------------------------------- *SEE INSTRUCTION BEFORE FILLING OUT! Page 11 of 14 Pages ITEM 1. SECURITY AND ISSUER Class of Securities: Common Stock Issuer: Extreme Networks, Inc. Principal Address: 3585 Monroe Street Santa Clara, California 95051 ITEM 2. IDENTITY AND BACKGROUND (a)-(c) The undersigned hereby file this Schedule 13D Statement on behalf of Associated Venture Investors III, L.P. ("AVI III"), AVI - Silicon Valley Partners, L.P. ("AVISVP"), AVI Partners Growth Fund II, L.P. ("AVGPF II"), AVI Management Partners III, L.P. ("AVIMP III"), AVI Capital, L.P. ("AVIC"), AVI Capital Management, L.P. ("AVICM"), Peter L. Wolken ("PLW"), Brian J. Grossi ("BJG") and Barry M. Weinman ("BMW"). The principal business and office address for each of the above is One First Street, Suite 2, Los Altos, California 94022. AVI III, AVISVP, AVIPGFII and AVIC are venture capital investment partnerships. AVIMP III is the general partner of AVI III, AVISVP and AVIPGFII. AVICM is the general partner of AVIC. PLW, BJG and BMW are general partners of AVIMP III and AVICM. (d)-(e) Not Applicable (f) AVIIII, AVISVP, AVIPGFII, AVIMP III, AVIC and AVICM are California limited partnerships. PLW, BJG and BMW are citizens of the United States. ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION The purchases by AVI III, AVISVP, AVIPGFII and AVIC were made from working capital. ITEM 4. PURPOSE OF TRANSACTION The acquisitions of the securities of the Issuer by AVI III, AVISVP, AVIPGFII and AVIC were made for investment. ITEM 5. INTEREST IN SECURITIES OF THE ISSUER (a) AVI III is the direct beneficial owner of 809,698 shares of Common Stock, or approximately 1.77% of the shares deemed outstanding by the Issuer (45,852,510) as of July 26, 1999. AVISVP is the direct beneficial owner of 55,705 shares of Common Stock, or approximately 0.12% of the shares deemed outstanding by the Issuer (45,852,510) as of July 26, 1999. AVIPGFII is the direct beneficial owner of 148,549 shares of Common Stock, or approximately 0.32% of the shares deemed outstanding by the Issuer (45,852,510) as of July 26, 1999. AVIC is the direct beneficial owner of 5,026,642 shares of Common Stock, or approximately 10.96% of the shares deemed outstanding by the Issuer (45,852,510) as of July 26, 1999. Page 12 of 14 Pages (b) The general partner of AVI III, AVISVP and AVIPGFII, AVIMP III, manages the shares held by AVI III, AVISVP and AVIPGFII. The general partner of AVIC, AVICM, manages the shares held by AVIC. PLW, BJG and BMW, acting together, have the power to direct the vote and/or disposition of the shares held by AVI III, AVISVP, AVIPGFII and AVIC. (c) Transactions effected in the past 60 days by the persons listed in Item 2 are disclosed in (a) above. (d) Except as described in this Schedule 13D Statement, no person has the power to direct the receipt of dividends on or the proceeds of sales of the shares of Common Stock owned by AVI III, AVISVP, AVIPGFII and AVIC. (e) Not Applicable ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO THE SECURITIES OF THE ISSUER To the best knowledge of the undersigned, there are no contracts, understandings, arrangements, or relationships (legal or otherwise) giving the persons named in Item 2 and between such persons and any other person with respect to the securities of Issuer, including, but not limited to, transfer or voting of any of the Issuer's securities, finder's fees, joint ventures, loan or option agreement, puts or calls, guarantees of profits, divisions of profits or loss, or the giving or withholding of proxies. ITEM 7. EXHIBITS Exhibit A: Joint Filing Statement. Page 13 of 14 Pages SIGNATURE 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. Associated Venture Investors III, L.P. AVI Management Partners III, L.P. By: AVI Management Partners III, L.P. Its General Partner By: /s/ Peter L. Wolken ----------------------------- General Partner By: /s/ Peter L. Wolken --------------------------------- General Partner Associated Venture Investors III, L.P. AVI Capital, L.P. By: AVI Management Partners III, L.P. By: AVI Capital Management, L.P. Its General Partner Its General Partner By: /s/ Peter L. Wolken By: /s/ Peter L. Wolken --------------------------------- ----------------------------- General Partner General Partner AVI - Silicon Valley Investors, L.P. AVI Capital Management, L.P. By: AVI Management Partners III, L.P. Its General Partner By: /s/ Peter L. Wolken ----------------------------- By: /s/ Peter L. Wolken General Partner --------------------------------- General Partner AVI Partners Growth Fund II, L.P. By: AVI Management Partners III, L.P. Its General Partner By: /s/ Peter L. Wolken --------------------------------- General Partner /s/ Peter L. Wolken /s/ Brian J. Grossi --------------------------------- --------------------------------- Peter L. Wolken Brian J. Grossi /s/ Barry M. Weinman --------------------------------- Barry M. Weinman EXHIBIT A Page 14 of 14 Pages Joint Filing Statement We, the undersigned, hereby express our agreement that the attached Schedule 13D is filed on behalf of each of us. Associated Venture Investors III, L.P. AVI Management Partners III, L.P. By: AVI Management Partners III, L.P. Its General Partner By: /s/ Peter L. Wolken ----------------------------- General Partner By: /s/ Peter L. Wolken --------------------------------- General Partner Associated Venture Investors III, L.P. AVI Capital, L.P. By: AVI Management Partners III, L.P. By: AVI Capital Management, L.P. Its General Partner Its General Partner By: /s/ Peter L. Wolken By: /s/ Peter L. Wolken --------------------------------- ----------------------------- General Partner General Partner AVI - Silicon Valley Investors, L.P. AVI Capital Management, L.P. By: AVI Management Partners III, L.P. Its General Partner By: /s/ Peter L. Wolken ----------------------------- By: /s/ Peter L. Wolken General Partner --------------------------------- General Partner AVI Partners Growth Fund II, L.P. By: AVI Management Partners III, L.P. Its General Partner By: /s/ Peter L. Wolken --------------------------------- General Partner /s/ Peter L. Wolken /s/ Brian J. Grossi --------------------------------- --------------------------------- Peter L. Wolken Brian J. Grossi /s/ Barry M. Weinman --------------------------------- Barry M. Weinman