-----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, UklrB8BhaIQywEn6wjctyBIUDn8qfCPB0C4Ro+MRh9FUp63E7tUyBT/YVrvTzq/e N2/bHX++Y1MWoUQLpIWXhw== 0000903893-97-000312.txt : 19970222 0000903893-97-000312.hdr.sgml : 19970222 ACCESSION NUMBER: 0000903893-97-000312 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19970214 SROS: NONE GROUP MEMBERS: ALEXANDER P. CILENTO GROUP MEMBERS: ALLAN R. FERGUSON GROUP MEMBERS: ASPEN VENTURE ASSOCIATES, L.P. GROUP MEMBERS: ASPEN VENTURE PARTNERS LP GROUP MEMBERS: E. DAVID CROCKETT GROUP MEMBERS: MICHAEL A. HENOS GROUP MEMBERS: MICHAEL J.F. DUCROS GROUP MEMBERS: NICHOLAS A. PAPANTONIS SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: TRANSWITCH CORP /DE CENTRAL INDEX KEY: 0000944739 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 061236189 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-49087 FILM NUMBER: 97535845 BUSINESS ADDRESS: STREET 1: 8 PROGRESS DR CITY: SHELTON STATE: CT ZIP: 06484 BUSINESS PHONE: 2039298810 MAIL ADDRESS: STREET 1: 8 PROGRESS DR CITY: SHELTON STATE: CT ZIP: 06484 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: ASPEN VENTURE PARTNERS LP CENTRAL INDEX KEY: 0000938117 STANDARD INDUSTRIAL CLASSIFICATION: [] IRS NUMBER: 043133612 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: ONE POST OFFICE SQUARE STREET 2: SUITE 3320 CITY: BOSTON STATE: MA ZIP: 02109 MAIL ADDRESS: STREET 1: ONE POST OFFICE SQUARE STREET 2: SUITE 3320 CITY: BOSTON STATE: MA ZIP: 02109 SC 13G/A 1 AMENDED SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. 1 )* TranSwitch Corporation ---------------------- (Name of Issuer) Common Stock, $.001 par value ----------------------------- (Title of Class of Securities) 894065101 --------- (CUSIP Number) *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). Page 1 of 16 pages CUSIP NO. 894065101 13G PAGE 2 OF 16 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Aspen Venture Partners, L.P. 04-3266983 - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Jersey, Channel Islands limited partnership - ------ ------------------------------------------------------------------------- - ------------------------- --- -------------------------------------------------- 5 SOLE VOTING POWER --0--shares NUMBER OF --- -------------------------------------------------- --- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 21,495 shares --- -------------------------------------------------- --- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON --0-- shares --- -------------------------------------------------- --- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 21,495 shares - ------------------------- --- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 21,495 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 .18% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 2 of 16 pages CUSIP NO. 894065101 13G PAGE 3 OF 16 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Aspen Venture Associates, L.P. 04-3128426 - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware limited partnership - ------ ------------------------------------------------------------------------- - ------------------------- --- -------------------------------------------------- 5 SOLE VOTING POWER --0--shares NUMBER OF --- -------------------------------------------------- --- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 21,495 shares --- -------------------------------------------------- --- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON --0--shares --- -------------------------------------------------- --- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 21,495 shares - ------------------------- --- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 21,495 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 .18% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * PN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 3 of 16 pages CUSIP NO. 894065101 13G PAGE 4 OF 16 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Michael J.F. DuCros - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION USA - ------ ------------------------------------------------------------------------- - ------------------------- --- -------------------------------------------------- 5 SOLE VOTING POWER 388 shares NUMBER OF --- -------------------------------------------------- --- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 21,495 shares --- -------------------------------------------------- --- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 388 shares --- -------------------------------------------------- --- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 21,495 shares - ------------------------- --- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 21,883 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 .18% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 4 of 16 pages CUSIP NO. 894065101 13G PAGE 5 OF 16 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Alexander P. Cilento - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION USA - ------ ------------------------------------------------------------------------- - ------------------------- --- -------------------------------------------------- 5 SOLE VOTING POWER 988 shares NUMBER OF --- -------------------------------------------------- --- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 21,495 shares --- -------------------------------------------------- --- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 988 shares --- -------------------------------------------------- --- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 21,495 shares - ------------------------- --- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 22,483 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 .19% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 5 of 16 pages CUSIP NO. 894065101 13G PAGE 6 OF 16 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON E. David Crockett - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION USA - ------ ------------------------------------------------------------------------- - ------------------------- --- -------------------------------------------------- 5 SOLE VOTING POWER 1,088 shares NUMBER OF --- -------------------------------------------------- --- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 21,495 shares --- -------------------------------------------------- --- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON 1,088 shares --- -------------------------------------------------- --- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 21,495 shares - ------------------------- --- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 22,583 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 .19% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 6 of 16 pages CUSIP NO. 894065101 13G PAGE 7 OF 16 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Allan R. Ferguson - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION USA - ------ ------------------------------------------------------------------------- - ------------------------- --- -------------------------------------------------- 5 SOLE VOTING POWER -0- shares NUMBER OF --- -------------------------------------------------- --- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 27,583 shares --- -------------------------------------------------- --- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON -0- shares --- -------------------------------------------------- --- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 27,583 shares - ------------------------- --- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 27,583 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 .23% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 7 of 16 pages CUSIP NO. 894065101 13G PAGE 8 OF 16 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Michael A. Henos - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION USA - ------ ------------------------------------------------------------------------- - ------------------------- --- -------------------------------------------------- 5 SOLE VOTING POWER --0--shares NUMBER OF --- -------------------------------------------------- --- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 21,495 shares --- -------------------------------------------------- --- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON --0--shares --- -------------------------------------------------- --- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 21,495 shares - ------------------------- --- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 21,495 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 .18% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 8 of 16 pages CUSIP NO. 894065101 13G PAGE 9 OF 16 PAGES - ------ ------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Nicholas A. Papantonis - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------ - ------ ------------------------------------------------------------------------- 3 SEC USE ONLY - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION USA - ------ ------------------------------------------------------------------------- - ------------------------- --- -------------------------------------------------- 5 SOLE VOTING POWER --0--shares NUMBER OF --- -------------------------------------------------- --- -------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 21,495 shares --- -------------------------------------------------- --- -------------------------------------------------- EACH 7 SOLE DISPOSITIVE POWER REPORTING PERSON --0--shares --- -------------------------------------------------- --- -------------------------------------------------- WITH 8 SHARED DISPOSITIVE POWER 21,495 shares - ------------------------- --- -------------------------------------------------- - ------ ------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 21,495 shares - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 .18% - ------ ------------------------------------------------------------------------- - ------ ------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON * IN - ------ ------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 9 of 16 pages ITEM 1 (A). NAME OF ISSUER: TranSwitch Corporation ITEM 1 (B). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 8 Progress Drive, Shelton, CT 06484 ITEM 2 (A). NAME OF PERSONS FILING: Aspen Venture Partners, L.P. ("Aspen"), Aspen Venture Associates, L.P. ("AVA"), Alexander P. Cilento ("Cilento"), E. David Crockett ("Crockett"), Michael J.F. DuCros ("DuCros"), Allan R. Ferguson ("Ferguson"), Michael A. Henos ("Henos") and Nicholas A. Papantonis ("Papantonis"). Cilento, Crockett, DuCros, Ferguson, Henos and Papantonis are the general partners of AVA, the sole general partner of Aspen. ITEM 2 (B). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE: The address of the principal business office of each of Aspen, AVA, Cilento, Crockett, DuCros, Ferguson, Henos and Papantonis is One Post Office Square, Suite 3320, Boston, MA 02109. ITEM 2 (C). CITIZENSHIP: Aspen is a limited partnership organized under the laws of Jersey, Channel Islands. AVA is a limited partnership organized under the laws of the State of Delaware. Messrs. Cilento, DuCros, Ferguson, Henos and Papantonis and Dr. Crockett are United States citizens. ITEM 2 (D). TITLE OF CLASS OF SECURITIES: Common Stock, $.001 par value. ITEM 2 (E). CUSIP NUMBER 894065101 ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13D-1(B) OR 13D-2(B), CHECK WHETHER THE PERSON FILING IS A: (a) [ ] Broker or Dealer registered under Section 15 of the Securities Exchange Act of 1934 (the "Act"). (b) [ ] Bank as defined in Section 3(a)(6) of the Act. (c) [ ] Insurance Company as defined in Section 3(a)(19) of the Act. (d) [ ] Investment Company registered under Section 8 of the Investment Company Act of 1940. (e) [ ] Investment Advisor registered under Section 203 or the Investment Advisors Act of 1940. Page 10 of 16 pages (f) [ ] Employee Benefit Plan, Pension Fund which is subject to the provisions of the Employee Retirement Income Security Act of 1974 or Endowment Fund; see Rule 13d-1(b)(1)(ii)(F) of the Act. (g) [ ] Parent Holding Company, in accordance with Rule 13d-1(b)(ii)(G) of the Act. (h) [ ] Group, in accordance with Rule 13a-1(b)(1)(ii)(H) of the Act. NOT APPLICABLE ITEM 4. OWNERSHIP: (a) Amount Beneficially Owned: Aspen owns beneficially and of record 21,495 shares of Common Stock of TranSwitch Corporation, as of December 31, 1996. AVA, the general partner of Aspen, may be deemed to own beneficially the 21,495 shares of Common Stock held by Aspen. Cilento, Crockett, DuCros, Ferguson, Henos, and Papantonis are general partners of AVA, and each therefore may be deemed to own beneficially the 21,495 shares held by Aspen. Mr. Cilento is the beneficial owner of 988 shares of Common Stock as of December 31, 1996. Dr. Crockett is the beneficial owner of 1,088 shares of Common Stock as of December 31, 1996. Mr. DuCros is the beneficial owner of 388 shares of Common Stock as of December 31, 1996. Mr. Ferguson, jointly with his wife, is the beneficial owner of 6,088 shares of Common Stock as of December 31, 1996. (b) Percent of Class: Each of Aspen, AVA, DuCros, Henos and Papantonis owns beneficially 0.18% of the Common Stock of TranSwitch Corporation. Each of Mr. Cilento and Dr. Crockett owns beneficially 0.19% of the Common Stock of TranSwitch Corporation. Mr. Ferguson owns beneficially 0.23% of the Common Stock of TranSwitch Corporation. The percentages are based on the 11,869,512 shares of Common Stock reported to be outstanding on October 31, 1996 in the TranSwitch Corporation Quarterly Report on Form 10-Q for the quarter ended September 30, 1996. (c) Number of Shares as to which such person has: (i) sole power to vote or direct the vote: Aspen: 0; AVA: 0; Cilento: 988; Crockett: 1,088; DuCros: 388; Ferguson: 0; Henos: 0; and Papantonis: 0. (ii) shared power to vote or to direct the vote: Aspen: 21,495; AVA: 21,495; Cilento: 21,495; Crockett: 21,495; DuCros: 21,495; Ferguson: 27,583; Henos: 21,495 and Papantonis: 21,495. (iii) sole power to dispose or to direct the disposition of: Aspen: 0; AVA: 0; Cilento: 988; Crockett: 1,088; DuCros: 388; Ferguson: 0; Henos: 0 and Papantonis: 0. Page 11 of 16 pages (iv) shared power to dispose or to direct the disposition of: Aspen: 21,495; AVA: 21,495; Cilento: 21,495; Crockett: 21,495; DuCros: 21,495; Ferguson: 27,583; Henos: 21,495 and Papantonis: 21,495. ITEM (5). OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS: This statement is being filed to report the fact that as of the date hereof the reporting persons have ceased to be the beneficial owner of more than five percent of the common stock. 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 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: NOT APPLICABLE. Not filed pursuant to Rule 13d-1(b). Page 12 of 16 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. Dated: February 14, 1997 ASPEN VENTURE PARTNERS, L.P. By: Aspen Venture Associates, L.P. By: /s/ Allan R. Ferguson -------------------------- General Partner ASPEN VENTURE ASSOCIATES, L.P. By: /s/ Allan R. Ferguson -------------------------- General Partner * --------------------------- Alexander P. Cilento * --------------------------- E. David Crockett * --------------------------- Michael J.F. DuCros * --------------------------- Allan R. Ferguson * --------------------------- Michael Henos * --------------------------- Nicholas A. Papantonis *By: /s/ Allan R. Ferguson -------------------------- Allan R. Ferguson Attorney-in-Fact - -------------------------------------------------------------------------------- This Schedule 13G was executed by Allan R. Ferguson pursuant to the Power of Attorney filed with the Securities and Exchange Commission on February 12, 1993, in connection with a Schedule 13G for Media Vision, Inc., which Power of Attorney is incorporated herein by reference and a copy of which is attached hereto. Page 13 of 16 pages EXHIBIT I Pursuant to Rule 13d-1(f)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required on Schedule 13G need be filed with respect to ownership by each of the undersigned of shares of Common Stock of TranSwitch Corporation. This Agreement may be executed in any number of counterparts, each of which shall be deemed an original. Dated: February 14, 1997 ASPEN VENTURE PARTNERS, L.P. By: Aspen Venture Associates, L.P. By: /s/ Allan R. Ferguson -------------------------- General Partner ASPEN VENTURE ASSOCIATES, L.P. By: /s/ Allan R. Ferguson -------------------------- General Partner * -------------------------- Alexander P. Cilento * -------------------------- E. David Crockett * -------------------------- Michael J.F. DuCros * -------------------------- Allan R. Ferguson Page 14 of 16 pages * -------------------------- Michael A. Henos * -------------------------- Nicholas A. Papantonis *By: /s/ Allan R. Ferguson Allan R. Ferguson Attorney-in-Fact - -------------------------------------------------------------------------------- This Schedule 13G was executed by Allan R. Ferguson pursuant to the Power of Attorney filed with the Securities and Exchange Commission on February 12, 1993, in connection with a Schedule 13G for Media Vision, Inc., which Power of Attorney is incorporated herein by reference and a copy of which is attached hereto. Page 15 of 16 pages EXHIBIT II POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints Allan R. Ferguson and Michael J.F. Du Cros, and each of them, with full power to act without the other, his true and lawful attorney-in-fact, with full power of substitution, to sign any and all instruments, certificates and documents that may be necessary, desirable or appropriate to be executed on behalf of himself as an individual or in his capacity as a general partner of any partnership, pursuant to section 13 or 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and any and all regulations promulgated thereunder, and to file the same, with all exhibits thereto, and any other documents in connection therewith, with the Securities and Exchange Commission, and with any other entity when and if such is mandated by the Exchange Act or by the By-laws of the National Association of Securities Dealers, Inc., granting unto said attorney-in-fact full power and authority to do and perform each and every act and thing necessary, desirable or appropriate, fully to all intents and purposes as he might or could do in person, thereby ratifying and confirming all that said attorney-in-fact, or his substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 10th day of February, 1993. /s/ Alexander P. Cilento -------------------------- Alexander P. Cilento /s/ E. David Crockett -------------------------- E. David Crockett /s/ Michael J.F. Du Cros -------------------------- Michael J.F. Du Cros /s/ Allan R. Ferguson -------------------------- Allan R. Ferguson /s/ Michael A. Henos -------------------------- Michael A. Henos /s/ Nicholas A. Papantonis -------------------------- Nicholas A. Papantonis Page 16 of 16 pages -----END PRIVACY-ENHANCED MESSAGE-----