X0306 4 2021-08-16 false 0001626450 BigCommerce Holdings, Inc. BIGC 0001819282 Mengoli Jeff 11305 FOUR POINTS DRIVE BUILDING II, THIRD FLOOR AUSTIN TX 78726 false true false false Chief Legal Officer/Secretary Series 1 Common Stock 2021-08-16 4 M false 3000.00 3.03 A 125409.00 D Series 1 Common Stock 2021-08-16 4 M false 2000.00 3.03 A 127409.00 D Series 1 Common Stock 2021-08-16 4 S false 1597.00 58.9174 D 125812.00 D Series 1 Common Stock 2021-08-16 4 S false 300.00 59.9833 D 125512.00 D Series 1 Common Stock 2021-08-16 4 S false 803.00 61.057 D 124709.00 D Series 1 Common Stock 2021-08-16 4 S false 300.00 62.1467 D 124409.00 D Series 1 Common Stock 2021-08-16 4 S false 1194.00 58.9931 D 123215.00 D Series 1 Common Stock 2021-08-16 4 S false 506.00 61.1663 D 122709.00 D Series 1 Common Stock 2021-08-16 4 S false 300.00 62.1433 D 122409.00 D Non-Qualified Stock Option (Right to Buy) 3.03 2021-08-16 4 M false 3000.00 0.00 D 2018-11-30 2028-11-30 Series 1 Common Stock 3000.00 61000.00 D Non-Qualified Stock Option (Right to Buy) 3.03 2021-08-16 4 M false 2000.00 0.00 D 2018-11-30 2028-11-30 Series 1 Common Stock 2000.00 59000.00 D The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.77 to $61.7699, inclusive. The reporting person undertakes to provide to BigCommerce Holdings, Inc., any security holder of BigCommerce Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in Footnote 10 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.02 to $63.0199, inclusive. The reporting person undertakes to provide to BigCommerce Holdings, Inc., any security holder of BigCommerce Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in Footnote 11 to this Form 4. Option was immediately exercisable on the date of grant. The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2021. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.69 to $59.6899, inclusive. The reporting person undertakes to provide to BigCommerce Holdings, Inc., any security holder of BigCommerce Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in Footnote 4 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.75 to $60.7499, inclusive. The reporting person undertakes to provide to BigCommerce Holdings, Inc., any security holder of BigCommerce Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in Footnote 5 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.77 to $61.7699, inclusive. The reporting person undertakes to provide to BigCommerce Holdings, Inc., any security holder of BigCommerce Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in Footnote 6 to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.03 to $63.0299, inclusive. The reporting person undertakes to provide to BigCommerce Holdings, Inc., any security holder of BigCommerce Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in Footnote 7 to this Form 4. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2021. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.68 to $59.6799, inclusive. The reporting person undertakes to provide to BigCommerce Holdings, Inc., any security holder of BigCommerce Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price with the ranges set forth in Footnote 9 to this Form 4. Jeff Mengoli 2021-08-18