X0306 4 2021-09-07 0 0001515816 Plymouth Industrial REIT, Inc. PLYM 0001708994 Witherell Jeffrey E 20 CUSTOM HOUSE STREET, 11TH FLOOR BOSTON MA 02110 1 1 0 0 CEO Common Stock 2021-09-07 4 S 0 11923 23.81 D 126234 D All of the shares sold were directly owned by Plymouth Group Real Estate LLC ("Plymouth Group") and were previously disclosed in prior Form 4 filings as being indirectly (beneficially) owned by Mr. Witherell as a result of his positions as CEO and a manager of Plymouth Group. Mr. Witherell owns less than a 10% interest in Plymouth Group. The shares were sold as a result of the decision by the board of managers of Plymouth Group to liquidate the company. Jeffrey E. Witherell 2021-09-09