Certain Stock Options of Nkarta, Inc. are subject to a Lock-Up Agreement Ending on 25-MAY-2024. These Stock Options will be under lockup for 61 days starting from 25-MAR-2024 to 25-MAY-2024.

Details:
We and the company's executive officers and directors have agreed not to sell or transfer any common stock or securities convertible into or exchangeable or exercisable for common stock, for 60 days after the date of this prospectus supplement without first obtaining the written consent of Leerink Partners LLC and Cowen and Company, LLC on behalf of the underwriters. Specifically, we and these other persons have agreed, with certain limited exceptions, not to directly or indirectly: offer, pledge, sell or contract to sell any common stock; sell any option or contract to purchase any common stock; purchase any option or contract to sell any common stock; grant any option, right or warrant for the sale of any common stock; otherwise dispose of or transfer any common stock; request or demand that we file a registration statement related to the common stock; or enter into any swap or other agreement or any transaction that transfers, in whole or in part, the economic consequence of ownership of any common stock, whether any such swap, agreement or transaction is to be settled by delivery of shares of common stock or other securities, in cash or otherwise.