BACKGROUNDStock Purchase Agreement • March 9th, 2000 • Tanox Inc • Services-medical laboratories • Texas
EXHIBIT 4.2 THIS WARRANT HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED. NO SALE OR DISPOSITION MAY BE EFFECTED WITHOUT (i) AN EFFECTIVE REGISTRATION STATEMENT RELATED THERETO, (ii) AN OPINION OF COUNSEL FOR THE HOLDER,...Warrant Agreement • March 9th, 2000 • Tanox Inc • Services-medical laboratories • Texas
RECITALSIndemnification Agreement • March 9th, 2000 • Tanox Inc • Services-medical laboratories • Delaware
EXHIBIT 10.6 STOCK PURCHASE AGREEMENT THIS STOCK PURCHASE AGREEMENT is made as of the 14th day of July, 1987, by and between TANOX BIOSYSTEMS, INC., a Texas corporation (the "company") , TSE WEN CHANG, NANCY T. CHANG and ALAFI CAPITAL COMPANY, a...Stock Purchase Agreement • March 9th, 2000 • Tanox Inc • Services-medical laboratories • Texas
ANDLease Agreement • March 9th, 2000 • Tanox Inc • Services-medical laboratories • Texas
BETWEENResearch and License Agreement • March 9th, 2000 • Tanox Inc • Services-medical laboratories
EXHIBIT 10.21 MATERIAL TRANSFER AND COMMERCIAL EVALUATION AGREEMENT Material Transfer and Commercial Evaluation Agreement effective this 9th day of March 1999 by and between Tanox, Inc. of 10301 Stella Link, Houston, Texas 77025-5497, USA and...Material Transfer and Commercial Evaluation Agreement • March 9th, 2000 • Tanox Inc • Services-medical laboratories • Texas
