EXHIBIT 4.2 NEITHER THIS WARRANT NOR THE SHARES ISSUABLE UPON EXERCISE HEREOF HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT") OR ANY OTHER APPLICABLE SECURITIES LAWS IN RELIANCE UPON AN EXEMPTION FROM THE...Nastech Pharmaceutical Co Inc • November 2nd, 2001 • Pharmaceutical preparations
EXHIBIT 4.1 STOCK PURCHASE AGREEMENT Nastech Pharmaceutical Company, Inc. 45 Adams Avenue Hauppauge, NY 11788 The undersigned (the "Investor"), hereby confirms its agreement with you as follows: 1. This Stock Purchase Agreement (the "Agreement") is...Stock Purchase Agreement • November 2nd, 2001 • Nastech Pharmaceutical Co Inc • Pharmaceutical preparations • Delaware
