On December 15, 2022 Gritstone bio, Inc. (Nasdaq: GRTS), a clinical-stage biotechnology company that aims to develop the world’s most potent vaccines, reported that the company’s Board of Directors granted five employees nonqualified stock options to purchase an aggregate of 46,950 shares of its common stock with an exercise price of $2.69, which is equal to the closing price of Gritstone’s common stock on December 6, 2022, the date of the grant (Press release, Gritstone Oncology, DEC 15, 2022, View Source [SID1234625302]). These stock options are part of an inducement material to each of the new employees becoming an employee of Gritstone, in accordance with Nasdaq Listing Rule 5635(c)(4).

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The stock options will vest over a four-year period, with 25% of the options vesting on the first anniversary of the employees’ date of hire, and 1/48th of the options vesting monthly thereafter, subject to the employees’ continued employment with Gritstone on such vesting dates. The stock options are subject to the terms and conditions of Gritstone’s 2021 Employment Inducement Incentive Award Plan and the stock option agreement covering the grant.