-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, WnAvcyRSUvcSWjGqp4nZp9eO1tBwdWoWIRUffaIqNwMDhou0KnyUUmoHZ9MPf9R6 rJBvJJu0JxZEbUqNkJ1c0A== 0001129787-04-000155.txt : 20041220 0001129787-04-000155.hdr.sgml : 20041220 20041217193007 ACCESSION NUMBER: 0001129787-04-000155 CONFORMED SUBMISSION TYPE: SC 13D/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20041220 DATE AS OF CHANGE: 20041217 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MENTOR CORP /MN/ CENTRAL INDEX KEY: 0000064892 STANDARD INDUSTRIAL CLASSIFICATION: ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES [3842] IRS NUMBER: 410950791 STATE OF INCORPORATION: MN FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: SC 13D/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-35178 FILM NUMBER: 041212626 BUSINESS ADDRESS: STREET 1: 201 MENTOR DR CITY: SANTA BARBARA STATE: CA ZIP: 93111 BUSINESS PHONE: 8058796000 MAIL ADDRESS: STREET 1: 201 MENTOR DR CITY: SANTA BARBARA STATE: CA ZIP: 93111 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: VA PARTNERS LLC CENTRAL INDEX KEY: 0001129787 IRS NUMBER: 943364923 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13D/A BUSINESS ADDRESS: STREET 1: 435 PACIFIC AVENUE STREET 2: FOURTH FLOOR CITY: SAN FRANCISCO STATE: CA ZIP: 94133 BUSINESS PHONE: 4153623700 MAIL ADDRESS: STREET 1: 435 PACIFIC AVENUE STREET 2: FOURTH FLOOR CITY: SAN FRANCISCO STATE: CA ZIP: 94133 SC 13D/A 1 mnt13da6121704.txt ============================================================================== UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a) (Amendment No. 6)1 Mentor Corporation ------------------------------------------------ (Name of Issuer) Common Stock, Par Value $0.10 per share ------------------------------------------------ (Title of Class of Securities) 587188103 ------------------------------------------------ (CUSIP Number) George F. Hamel, Jr. ValueAct Capital 435 Pacific Avenue, Fourth Floor San Francisco, CA 94133 (415) 362-3700 ------------------------------------------------ (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) December 13, 2004 ------------------------------------------------ (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 Rule 240.13d-1(b)(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 Rule 240.13d-7(b) for other parties to whom copies are to be sent 1The 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). ============================================================================= SCHEDULE 13D - -------------------------- -------------------------- CUSIP NO. 587188103 Page 2 of 17 - ------------------------------------------------------------------------------ 1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE PERSON (entities only) ValueAct Capital Partners, L.P. - ------------------------------------------------------------------------------ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------------------------------------------------------------------------------ 3. SEC USE ONLY - ------------------------------------------------------------------------------ 4. SOURCE OF FUNDS* 0* - ------------------------------------------------------------------------------ 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [ ] - ------------------------------------------------------------------------------ 6. CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - ------------------------------------------------------------------------------ 7. SOLE VOTING POWER 0 NUMBER OF ----------------------------------------------------------- SHARES 8. SHARED VOTING POWER BENEFICIALLY 0** OWNED BY EACH ----------------------------------------------------------- PERSON WITH 9. SOLE DISPOSITIVE POWER 0 ----------------------------------------------------------- 10. SHARED DISPOSITIVE POWER 0** - ------------------------------------------------------------------------------ 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0** - ------------------------------------------------------------------------------ 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0% - ------------------------------------------------------------------------------ 14. TYPE OF REPORTING PERSON PN - ------------------------------------------------------------------------------ *See Item 3 **See Item 2 and 5 *SEE INSTRUCTIONS BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION. SCHEDULE 13D - -------------------------- -------------------------- CUSIP NO. 587188103 Page 3 of 17 - ------------------------------------------------------------------------------ 1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE PERSON (entities only) ValueAct Capital Partners II, L.P. - ------------------------------------------------------------------------------ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------------------------------------------------------------------------------ 3. SEC USE ONLY - ------------------------------------------------------------------------------ 4. SOURCE OF FUNDS* 0* - ------------------------------------------------------------------------------ 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [ ] - ------------------------------------------------------------------------------ 6. CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - ------------------------------------------------------------------------------ 7. SOLE VOTING POWER 0 NUMBER OF ----------------------------------------------------------- SHARES 8. SHARED VOTING POWER BENEFICIALLY 0** OWNED BY EACH ----------------------------------------------------------- PERSON WITH 9. SOLE DISPOSITIVE POWER 0 ----------------------------------------------------------- 10. SHARED DISPOSITIVE POWER 0** - ------------------------------------------------------------------------------ 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0** - ------------------------------------------------------------------------------ 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0% - ------------------------------------------------------------------------------ 14. TYPE OF REPORTING PERSON PN - ------------------------------------------------------------------------------ *See Item 3 **See Item 2 and 5 *SEE INSTRUCTIONS BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION. SCHEDULE 13D - -------------------------- -------------------------- CUSIP NO. 587188103 Page 4 of 17 - ------------------------------------------------------------------------------ 1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE PERSON (entities only) ValueAct Capital International, Ltd. - ------------------------------------------------------------------------------ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------------------------------------------------------------------------------ 3. SEC USE ONLY - ------------------------------------------------------------------------------ 4. SOURCE OF FUNDS* 0* - ------------------------------------------------------------------------------ 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [ ] - ------------------------------------------------------------------------------ 6. CITIZENSHIP OR PLACE OF ORGANIZATION British Virgin Islands - ------------------------------------------------------------------------------ 7. SOLE VOTING POWER 0 NUMBER OF ----------------------------------------------------------- SHARES 8. SHARED VOTING POWER BENEFICIALLY 0** OWNED BY EACH ----------------------------------------------------------- PERSON WITH 9. SOLE DISPOSITIVE POWER 0 ----------------------------------------------------------- 10. SHARED DISPOSITIVE POWER 0** - ------------------------------------------------------------------------------ 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 0** - ------------------------------------------------------------------------------ 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 0% - ------------------------------------------------------------------------------ 14. TYPE OF REPORTING PERSON CO - ------------------------------------------------------------------------------ *See Item 3 **See Item 2 and 5 *SEE INSTRUCTIONS BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION. SCHEDULE 13D - -------------------------- -------------------------- CUSIP NO. 587188103 Page 5 of 17 - ------------------------------------------------------------------------------ 1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE PERSON (entities only) ValueAct Capital Master Fund, L.P. - ------------------------------------------------------------------------------ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - ------------------------------------------------------------------------------ 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 British Virgin Islands - ------------------------------------------------------------------------------ 7. SOLE VOTING POWER 0 NUMBER OF ----------------------------------------------------------- SHARES 8. SHARED VOTING POWER BENEFICIALLY 4,583,333** OWNED BY EACH ----------------------------------------------------------- PERSON WITH 9. SOLE DISPOSITIVE POWER 0 ----------------------------------------------------------- 10. SHARED DISPOSITIVE POWER 4,583,333** - ------------------------------------------------------------------------------ 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,583,333** - ------------------------------------------------------------------------------ 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 11.3% - ------------------------------------------------------------------------------ 14. TYPE OF REPORTING PERSON PN - ------------------------------------------------------------------------------ *See Item 3 **See Item 2 and 5 *SEE INSTRUCTIONS BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION. SCHEDULE 13D - -------------------------- -------------------------- CUSIP NO. 587188103 Page 6 of 17 - ------------------------------------------------------------------------------ 1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE PERSON (entities only) ValueAct Capital Partners Co-Investors, L.P. - ------------------------------------------------------------------------------ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - ------------------------------------------------------------------------------ 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 Delaware - ------------------------------------------------------------------------------ 7. SOLE VOTING POWER 0 NUMBER OF ----------------------------------------------------------- SHARES 8. SHARED VOTING POWER BENEFICIALLY 66,485** OWNED BY EACH ----------------------------------------------------------- PERSON WITH 9. SOLE DISPOSITIVE POWER 0 ----------------------------------------------------------- 10. SHARED DISPOSITIVE POWER 66,485** - ------------------------------------------------------------------------------ 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 66,485** - ------------------------------------------------------------------------------ 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) Less than 1% - ------------------------------------------------------------------------------ 14. TYPE OF REPORTING PERSON PN - ------------------------------------------------------------------------------ *See Item 3 **See Item 2 and 5 *SEE INSTRUCTIONS BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION. SCHEDULE 13D - -------------------------- -------------------------- CUSIP NO. 587188103 Page 7 of 17 - ------------------------------------------------------------------------------ 1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE PERSON (entities only) VA Partners, L.L.C. - ------------------------------------------------------------------------------ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - ------------------------------------------------------------------------------ 3. SEC USE ONLY - ------------------------------------------------------------------------------ 4. SOURCE OF FUNDS* 00* - ------------------------------------------------------------------------------ 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [ ] - ------------------------------------------------------------------------------ 6. CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ 7. SOLE VOTING POWER 0 NUMBER OF ----------------------------------------------------------- SHARES 8. SHARED VOTING POWER BENEFICIALLY 4,649,818** OWNED BY EACH ----------------------------------------------------------- PERSON WITH 9. SOLE DISPOSITIVE POWER 0 ----------------------------------------------------------- 10. SHARED DISPOSITIVE POWER 4,649,818** - ------------------------------------------------------------------------------ 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,649,818** - ------------------------------------------------------------------------------ 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 11.5% - ------------------------------------------------------------------------------ 14. TYPE OF REPORTING PERSON 00 (LLC) - ------------------------------------------------------------------------------ *See Item 3 **See Item 2 and 5 *SEE INSTRUCTIONS BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION. SCHEDULE 13D - -------------------------- -------------------------- CUSIP NO. 587188103 Page 8 of 17 - ------------------------------------------------------------------------------ 1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE PERSON (entities only) Jeffrey W. Ubben - ------------------------------------------------------------------------------ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - ------------------------------------------------------------------------------ 3. SEC USE ONLY - ------------------------------------------------------------------------------ 4. SOURCE OF FUNDS* 00* - ------------------------------------------------------------------------------ 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [ ] - ------------------------------------------------------------------------------ 6. CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ 7. SOLE VOTING POWER 0 NUMBER OF ----------------------------------------------------------- SHARES 8. SHARED VOTING POWER BENEFICIALLY 4,649,818** OWNED BY EACH ----------------------------------------------------------- PERSON WITH 9. SOLE DISPOSITIVE POWER 0 ----------------------------------------------------------- 10. SHARED DISPOSITIVE POWER 4,649,818** - ------------------------------------------------------------------------------ 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,649,818** - ------------------------------------------------------------------------------ 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 11.5% - ------------------------------------------------------------------------------ 14. TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ *See Item 3 **See Item 2 and 5 *SEE INSTRUCTIONS BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION. SCHEDULE 13D - -------------------------- -------------------------- CUSIP NO. 587188103 Page 9 of 17 - ------------------------------------------------------------------------------ 1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE PERSON (entities only) George F. Hamel, Jr. - ------------------------------------------------------------------------------ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - ------------------------------------------------------------------------------ 3. SEC USE ONLY - ------------------------------------------------------------------------------ 4. SOURCE OF FUNDS* 00* - ------------------------------------------------------------------------------ 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [ ] - ------------------------------------------------------------------------------ 6. CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ 7. SOLE VOTING POWER 0 NUMBER OF ----------------------------------------------------------- SHARES 8. SHARED VOTING POWER BENEFICIALLY 4,649,818** OWNED BY EACH ----------------------------------------------------------- PERSON WITH 9. SOLE DISPOSITIVE POWER 0 ----------------------------------------------------------- 10. SHARED DISPOSITIVE POWER 4,649,818** - ------------------------------------------------------------------------------ 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,649,818** - ------------------------------------------------------------------------------ 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 11.5% - ------------------------------------------------------------------------------ 14. TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ *See Item 3 **See Item 2 and 5 *SEE INSTRUCTIONS BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION. SCHEDULE 13D - -------------------------- -------------------------- CUSIP NO. 587188103 Page 10 of 17 - ------------------------------------------------------------------------------ 1. NAME OF REPORTING PERSON/S.S. OR I.R.S. INDENTIFICATION NO. OF ABOVE PERSON (entities only) Peter H. Kamin - ------------------------------------------------------------------------------ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [X] (b) [ ] - ------------------------------------------------------------------------------ 3. SEC USE ONLY - ------------------------------------------------------------------------------ 4. SOURCE OF FUNDS* 00* - ------------------------------------------------------------------------------ 5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [ ] - ------------------------------------------------------------------------------ 6. CITIZENSHIP OR PLACE OF ORGANIZATION United States - ------------------------------------------------------------------------------ 7. SOLE VOTING POWER 0 NUMBER OF ----------------------------------------------------------- SHARES 8. SHARED VOTING POWER BENEFICIALLY 4,649,818** OWNED BY EACH ----------------------------------------------------------- PERSON WITH 9. SOLE DISPOSITIVE POWER ----------------------------------------------------------- 10. SHARED DISPOSITIVE POWER 4,649,818** - ------------------------------------------------------------------------------ 11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 4,649,818** - ------------------------------------------------------------------------------ 12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------ 13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 11.5% - ------------------------------------------------------------------------------ 14. TYPE OF REPORTING PERSON IN - ------------------------------------------------------------------------------ *See Item 3 **See Item 2 and 5 *SEE INSTRUCTIONS BEFORE FILLING OUT! INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7 (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION. THE PURPOSE OF THIS AMENDMENT NO. 6 TO SCHEDULE 13D IS TO AMEND THE OWNERSHIP REPORTS OF THE REPORTING PERSONS. THE INFORMATION BELOW SUPPLEMENTS THE INFORMATION PREVIOUSLY PROVIDED. ITEM 1. SECURITY AND ISSUER. This Schedule 13D relates to shares of Common Stock, par value $0.10 par value per share (the "Common Stock"), of Mentor Corporation., a Minnesota corporation (the "Issuer"). The address of the principal executive offices of the Issuer is 201 Mentor Drive, Santa Barbara, California, 93111. ITEM 2. IDENTITY AND BACKGROUND. This statement is filed jointly by (a) ValueAct Capital Partners, L.P. ("ValueAct Partners"), (b) ValueAct Capital Partners II, L.P. ("ValueAct Partners II"), (c) ValueAct Capital International, Ltd. ("ValueAct International"), (d) ValueAct Capital Master Fund, L.P. ("ValueAct Master Fund"), (e) ValueAct Capital Partners Co-Investors, L.P. ("ValueAct Co-Investors"), (f) VA Partners, L.L.C. ("VA Partners"), (g) Jeffrey W. Ubben, (h) George F. Hamel, Jr. and (i) Peter H. Kamin (collectively, the "Reporting Persons"). ValueAct Partners, ValueAct Partners II and ValueAct Co-Investors are each Delaware limited partnerships. ValueAct International is a Company organized under the laws of the British Virgin Islands. ValueAct Master Fund is a limited partnership organized under the laws of the British Virgin Islands. Each has a principal business address of 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133. VA Partners is a Delaware limited liability company, the principal business of which is to render investment management services to ValueAct International and to serve as the General Partner to ValueAct Partners, ValueAct Partners II, ValueAct Master Fund and ValueAct Co-Investors. VA Partners has a principal business address of 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133. (a), (b) and (c). Messrs. Ubben, Hamel and Kamin are each managing members, principal owners and controlling persons of VA Partners, and directors and principal executive officers of ValueAct International, and such activities constitute their principal occupations. Such individuals are sometimes collectively referred to herein as the "Managing Members" or individually as a "Managing Member". Each Managing Member is a United States citizen and has a principal business address of 435 Pacific Avenue, Fourth Floor, San Francisco, CA 94133. (d) and (e). None of the entities or persons identified in this Item 2 has during the past five years been convicted of any criminal proceeding (excluding traffic violations or similar misdemeanors), nor been a party to a civil proceeding of a judicial or administrative body of competent judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION. Not applicable in that transaction involved the sale of and not the acquisition of securities. Page 11 of 17 ITEM 5. INTEREST IN SECURITIES OF THE ISSUER (a) and (b). Set forth below is the beneficial ownership of shares of Common Stock of the Issuer for each person named in Item 2. At the date of this filing, ValueAct Partners, ValueAct Partners II and ValueAct International have contributed all of their assets (including the beneficial ownership of shares of Common Stock of the Issuer) to ValueAct Master Fund in exchange for proportional limited partnership interests in ValueAct Master Fund. Shares reported as beneficially owned by ValueAct Partners, ValueAct Partners II,ValueAct International, ValueAct Master Fund and ValueAct Co-Investors are also reported as beneficially owned by VA Partners, as investment manager or General Partner of each such investment partnership, and by the Managing Members as controlling persons of the General Partner. VA Partners and the Managing Members also, directly or indirectly, may own interests in one or both of such partnerships from time to time. Unless otherwise indicated below, by reason of such relationships each of the partnerships is reported as having shared power to vote or to direct the vote, and shared power to dispose or direct the disposition of, such shares of Common Stock with VA Partners and the Managing Members. As of the date hereof, ValueAct Partners is the beneficial owner of 0 shares of Common Stock. ValueAct International is the beneficial owner of 0 shares of Common Stock. ValueAct Partners II is the beneficial owner of 0 shares of Common Stock. ValueAct Master Fund is the beneficial owner of 4,583,333 shares of Common Stock, representing approximately 11.3% of the Issuers outstanding Common Stock. ValueAct Co-Investors is the beneficial owner of 66,485 shares of Common Stock, representing less than 1% of the Issuers outstanding Common Stock. VA Partners and each of the Managing Members may be deemed the beneficial owner of an aggregate of 4,649,818 shares of Issuer Common stock, representing approximately 11.5% of the Issuers outstanding Common Stock. All percentages set forth in this Schedule 13D are based upon the Issuer's reported 42,796,358 outstanding shares of Common Stock as reported in the Issuer's Form 10-Q for the period ended September 30, 2004 less 2,250,000 shares sold by the Reporting Persons to the Issuer. (c) The following transactions in the Issuer's Common Stock were sold by the Reporting Persons in a private sale back to the Issuer. Reporting Person Trade Date Shares Price/Share - ---------- --------- ------- ----------- ValueAct Master Fund 12-13-04 1,487,000 $33.85 12-14-04 739,000 $34.00 ValueAct Co-Investors 12-13-04 13,000 $33.85 12-14-04 11,000 $34.00 (d) and (e) Not applicable. Page 12 of 17 ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO SECURITIES OF THE ISSUER Other than as described elsewhere in this Report, the Reporting Persons have no understandings, arrangements, relationships or contracts relating to the Issuer's Common Stock which are required to be described thereunder. ITEM 7. MATERIAL TO BE FILED AS EXHIBITS A. Joint Filing Agreement Page 13 of 17 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. POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below on this Schedule 13D hereby constitutes and appoints Jeffrey W. Ubben, George F. Hamel, Jr. and Peter H. Kamin, and each of them, with full power to act without the other, his true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities (until revoked in writing) to sign any and all amendments to this Schedule 13D, and to file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary fully to all intents and purposes as he might or could do in person, thereby ratifying and confirming all that said attorneys-in-fact and agents or any of them, or their or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof. ValueAct Capital Partners L.P., by VA Partners, L.L.C., its General Partner By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member ValueAct Capital Partners, II L.P., by VA Partners, L.L.C., its General Partner By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member ValueAct Capital International, Ltd., by VA Partners, L.L.C., its investment manager By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member ValueAct Capital Master Fund, L.P., by VA Partners, L.L.C., its General Partner By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member Page 14 of 17 ValueAct Capital Partners Co-Investors, L.P., by VA Partners, L.L.C., its General Partner By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member VA Partners, L.L.C. By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member By: /s/ Jeffrey W. Ubben -------------------------------------- Dated: December 17, 2004 Jeffrey W. Ubben, Managing Member By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member By: /s/ Peter H. Kamin -------------------------------------- Dated: December 17, 2004 Peter H. Kamin, Managing Member Page 15 of 17 Exhibit A JOINT FILING UNDERTAKING The undersigned parties hereby agree that the Schedule 13D filed herewith (and any amendments thereto) relating to the Common Stock of Mentor Corporation is being filed jointly on behalf of each of them with the Securities and Exchange Commission pursuant to Section 13(d) of the Securities Exchange Act of 1934, as amended. ValueAct Capital Partners L.P., by VA Partners, L.L.C., its General Partner By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member ValueAct Capital Partners, II L.P., by VA Partners, L.L.C., its General Partner By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member ValueAct Capital International, Ltd., by VA Partners, L.L.C., its investment manager By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member ValueAct Capital Master Fund, L.P., by VA Partners, L.L.C., its General Partner By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member ValueAct Capital Partners Co-Investors, L.P., by VA Partners, L.L.C., its General Partner By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member VA Partners, L.L.C. By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member Page 16 of 17 By: /s/ Jeffrey W. Ubben -------------------------------------- Dated: December 17, 2004 Jeffrey W. Ubben, Managing Member By: /s/ George F. Hamel, Jr. -------------------------------------- Dated: December 17, 2004 George F. Hamel, Jr., Managing Member By: /s/ Peter H. Kamin -------------------------------------- Dated: December 17, 2004 Peter H. Kamin, Managing Member Page 17 of 17 -----END PRIVACY-ENHANCED MESSAGE-----