Certain Warrants of Avedro, Inc. are subject to a Lock-Up Agreement Ending on 13-AUG-2019. These Warrants will be under lockup for 181 days starting from 13-FEB-2019 to 13-AUG-2019. Details: The officers and directors and substantially all the stockholders have entered into a lock up agreement pursuant to which, they will not directly or indirectly, offer, sell, contract to sell, pledge, grant or dispose of or hedge any common stock or securities convertible into or exchangeable or exercisable for common stock, for a period of 180 days after the date of this prospectus.