Certain Warrant of Protagenic Therapeutics, Inc. are subject to a Lock-Up Agreement Ending on 24-OCT-2021. These Warrant will be under lockup for 181 days starting from 26-APR-2021 to 24-OCT-2021.

Details:
The executive officers, directors and certain affiliates, have agreed, subject to limited exceptions, for a period of 180 days after the date of this prospectus supplement, not to offer, sell, contract to sell, pledge, grant any option to purchase, make any short sale or otherwise dispose of, directly or indirectly any shares of common stock or any securities convertible into or exchangeable for common stock either owned as of the date of the underwriting agreement or thereafter acquired without the prior written consent of the representative.