Exhibit 4.3 RESTRICTED STOCK AWARD AGREEMENT THIS AGREEMENT, made as of this ____ day of [____________________], 2001, by and between Enzon, Inc., a Delaware corporation (the "Company"), and Arthur J. Higgins ("Executive"). WITNESSETH, THAT: WHEREAS,...Restricted Stock Award Agreement • June 29th, 2001 • Enzon Inc • Biological products, (no disgnostic substances)
