EXHIBIT 10.13 STOCK PURCHASE AGREEMENT THIS STOCK PURCHASE AGREEMENT is made as of the 30th day of September, 1999, by and between Ligand Pharmaceuticals Incorporated, a Delaware corporation (the "Company"), and Elan International Services, Ltd., a...Stock Purchase Agreement • November 15th, 1999 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • California
RECITALSLicense Agreement • November 15th, 1999 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • California
EXHIBIT 10.1 RESEARCH, DEVELOPMENT AND LICENSE AGREEMENTDevelopment and License Agreement • November 15th, 1999 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • California
RECITALSRegistration Rights Agreement • November 15th, 1999 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations
EXHIBIT 10.2 STOCK PURCHASE AGREEMENT THIS STOCK PURCHASE AGREEMENT is made as of the 1st day of September, 1999, by and between Ligand Pharmaceuticals Incorporated, a Delaware corporation (the "Company"), and Warner-Lambert Company, a Delaware...Stock Purchase Agreement • November 15th, 1999 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • California
WITNESSETHNonexclusive Sublicense Agreement • November 15th, 1999 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • New Jersey
EXHIBIT 10.15 No. X-1 NEITHER THIS WARRANT NOR ANY OF THE SECURITIES ISSUABLE HEREUNDER HAS BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE OFFERED, SOLD, TRANSFERRED, ASSIGNED OR HYPOTHECATED IN THE ABSENCE OF AN...Ligand Pharmaceuticals Inc • November 15th, 1999 • Pharmaceutical preparations • California
ANDLigand Pharmaceuticals Inc • November 15th, 1999 • Pharmaceutical preparations • New York
