EXHIBIT 4(a) GENOME THERAPEUTICS CORP. STOCK OPTION AGREEMENT (Non-Statutory Option) Non-Statutory Stock Option granted by Genome Therapeutics Corp., a Massachusetts corporation (the "Company"), to [Optionee], a director of the Company (the...Stock Option Agreement • July 2nd, 1997 • Genome Therapeutics Corp • In vitro & in vivo diagnostic substances • Massachusetts
