FIRST AMENDMENT TO STOCK PURCHASE AGREEMENT BY AND AMONG IMMUNOGEN, INC., BIOTECHNOLOGY VENTURE PARTNERS, L.P., BIOTECHNOLOGY VALUE FUND, L.P., BIOTECHNOLOGY VALUE FUND, LTD. AND INVESTMENT 10, L.L.C.Stock Purchase Agreement • December 7th, 1998 • Immunogen Inc • Pharmaceutical preparations • Massachusetts
Contract Type FiledDecember 7th, 1998 Company Industry Jurisdiction