-----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, UXYGMzfKuGtZz/qsII8WO2PFhc0nCWxzPHMcoqkt89m64PL8P672+sWfc4ECNbQA eKmVslpCeA5wpZBoLmKu2Q== 0000899243-02-000180.txt : 20020414 0000899243-02-000180.hdr.sgml : 20020414 ACCESSION NUMBER: 0000899243-02-000180 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20020207 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: TANOX INC CENTRAL INDEX KEY: 0001099414 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 760196733 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-58871 FILM NUMBER: 02529322 BUSINESS ADDRESS: STREET 1: 10301 STELLA LINK CITY: HOUSTON STATE: TX ZIP: 77025 BUSINESS PHONE: 7136642288 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: CHANG TSE WEN CENTRAL INDEX KEY: 0001111265 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: NATIONAL TSING HUA UNIVERSITY STREET 2: 81 CHANG HSING ST CITY: TAIPEI TAIWAN MAIL ADDRESS: STREET 1: NATIONAL TSING HUA UNIVERSITY STREET 2: 81 CHENG HSING ST CITY: TAIPEI TAIWAN SC 13G/A 1 dsc13ga.txt SCHEDULE 13G/A - TSE WEN CHANG Page 1 of 5 Pages UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Tanox, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 87588Q 10 9 (CUSIP Number) December 31, 2001 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] 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 in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP NO. 87588Q 10 9 Page 2 of 5 Pages - ------------------------------------------------------------------------------- 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS Tse Wen Chang - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION U.S.A. - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER OF 6,555,863 (1) SHARES BENEFICIALLY OWNED BY ---------------------------------------- EACH REPORTING 6 SHARED VOTING POWER PERSON --- WITH - ------------------------------------------------------------------------------- 7 SOLE DISPOSITIVE POWER 6,555,863 (1) - ------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER --- - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,555,863 (1) - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 14.85% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ------------------------------------------------------------------------------- (1) Includes 1,125 shares that can be acquired within 60 days upon exercise of stock options. CUSIP NO. 87588Q 10 9 Page 3 of 5 Pages ITEM 1. Item 1(a) Name of Issuer: Tanox, Inc. Item 1(b) Address of Issuer's 10301 Stella Link Principal Executive Office: Houston, Texas 77025 ITEM 2. Item 2(a) Name of Person Filing: Tse Wen Chang Item 2(b) Address of Principal 81 Chang Hsing Street Business Office: Taipei, Taiwan ROC Item 2(c) Citizenship: U.S.A. Item 2(d) Title of Class of Securities: Common Stock Item 2(e) CUSIP Number: 87588Q 10 9 ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO Rule 13d-1(b) OR (c), CHECK WHETHER THE PERSON FILING IS A: (a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c) (c) [ ] Insurance Company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [ ] Investment Company registered under section of the Investment Company Act of 1940 (15 (U.S.C. 80a-8). (e) [ ] An investment adviser in accordance with Rule 13d-1(b)(1) (ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [ ] A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J). CUSIP NO. 87588Q 10 9 Page 4 of 5 Pages ITEM 4. OWNERSHIP (a) Amount Beneficially Owned: 6,555,863 (b) Percent of Class: 14.85% (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: 6,555,863 (ii) Shared power to vote or direct the vote: --- (iii) Sole power to dispose or to direct the disposition of: 6,555,863 (iv) Shared power to dispose or to direct the disposition of: --- ITEM 5. Ownership of Five Percent or Less of a Class Not Applicable ITEM 6. Ownership of More Than Five Percent on Behalf of Another Person Not Applicable ITEM 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company Not Applicable ITEM 8. Identification and Classification of Members of the Group Not Applicable ITEM 9. Notice of Dissolution of Group Not Applicable ITEM 10. Certification Not Applicable CUSIP NO. 87588Q 10 9 Page 5 of 5 Pages SIGNATURE After reasonable inquiry and to the best of the undersigned's knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct. Dated: February 6, 2002 Tse Wen Chang ----------------------------------- Tse Wen Chang -----END PRIVACY-ENHANCED MESSAGE-----