Certain Restricted Stock Units of Poshmark, Inc. are subject to a Lock-Up Agreement Ending on 13-JUL-2021. These Restricted Stock Units will be under lockup for 181 days starting from 13-JAN-2021 to 13-JUL-2021. Details: The company’s directors, officers and the holders of substantially all of the company’s outstanding common stock entered into lock-up agreements with the underwriters, under which they have agreed or will agree that, without the prior written consent of Morgan Stanley & Co. LLC and Goldman Sachs & Co. LLC on behalf of the underwriters, they will not offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, lend or otherwise transfer or dispose of, directly or indirectly, any shares of common stock beneficially owned, by the undersigned or any other securities so owned convertible into or exercisable or exchangeable for common stock during the period ending 180 days after the date of this prospectus.