X0206 3 2020-08-04 0 0001626450 BigCommerce Holdings, Inc. BIGC 0001297831 Clarke Donald E C/O BIGCOMMERCE HOLDINGS, INC. 11305 FOUR POINTS DR, BLDG II, 3RD FLOOR AUSTIN TX 78726 1 0 0 0 Series 1 Common Stock 146666 D /s/ Jeff Mengoli as Attorney-in-Fact for Donald E. Clarke 2020-08-04