CPS TECHNOLOGIES CORP/DE/ — Major Shareholding Notification 2000

Feb 15, 2000

1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A (RULE 13D-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13D-1(B) AND (C) AND AMENDMENTS THERETO FILED PURSUANT TO 13D-2(B) (AMENDMENT NO. __) CERAMICS PROCESS SYSTEMS CORPORATION ----------------------------------------------------- (Name of Issuer) COMMON STOCK $0.01 PAR VALUE ----------------------------------------------------- (Title of Class of Securities) 156905 10 1 ----------------------------------------------------- (CUSIP Number) 12/31/99 ----------------------------------------------------- (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) [ ] Rule 13d-1(c) [X] 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 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). 2 SCHEDULE 13G - --------------------- ------------------ CUSIP NO. 156905 10 1 PAGE 2 OF 5 PAGES - --------------------- ------------------ - -------------------------------------------------------------------------------- 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Ampersand Specialty Materials Ventures Limited Partnership 04-3055700 - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER None NUMBER OF -------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY None EACH -------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH None -------------------------------------------------------- 8 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON None - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 0% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON PN - -------------------------------------------------------------------------------- 3 SCHEDULE 13G - --------------------- ------------------ CUSIP NO. 156905 10 1 PAGE 3 OF 5 PAGES - --------------------- ------------------ ITEM 1(A). NAME OF ISSUER: Ceramics Process Systems Corporation ITEM 1(B). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 111 South Worcester Street, P. O. Box 338 Chartley, MA 02712 ITEM 2(A). NAME OF PERSON FILING: Ampersand Specialty Materials Ventures Limited Partnership ITEM 2(B). ADDRESS OF PRINCIPAL OFFICES OR, IF NONE, RESIDENCE: C/o Ampersand Ventures 55 William Street, suite 240 Wellesley, MA 02481-4003 ITEM 2(C). CITIZENSHIP: Ampersand Specialty Materials Ventures Limited Partnership is established under the laws of the State of Delaware. ITEM 2(D). TITLE OF CLASS OF SECURITIES: Common Stock, $0.01 par value ITEM 2(E). CUSIP NUMBER: 156905 10 1 ITEM 3. IF THE STATEMENT IS BEING FILED PURSUANT TO RULE 13D-1(B), OR 13D-2(B), CHECK WHETHER THE PERSON FILING IS A: Not Applicable ITEM 4. OWNERSHIP. (a) Amount beneficially owned: 0 (b) Percent of class: 0% (c) Number of shares as to which such person has: (i) Sole power to vote or direct the vote:0 (ii) Shared power to vote or direct the vote: 0 4 SCHEDULE 13G - --------------------- ------------------ CUSIP NO. 156905 10 1 PAGE 4 OF 5 PAGES - --------------------- ------------------ (iii) Sole power to dispose or to direct the disposition of: 0 (iv) Shared power to dispose or to direct the disposition of: 0 ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [x]. 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 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. 5 SCHEDULE 13G - --------------------- ------------------ CUSIP NO. 156905 10 1 PAGE 5 OF 5 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. AMPERSAND SPECIALTY MATERIALS VENTURES LIMITED PARTNERSHIP By: ASMV Management Company Limited Partnership, its general partner By: ASMV MCLP LLP, its general partner Dated: February 14, 2000 By: /s/ Richard A. Charpie --------------------------------------------- Richard A. Charpie Managing General Partner