X0306 4 2021-05-28 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 2021-05-28 4 S false 1401.00 55.7225 D 137056.00 D Series 1 Common Stock 2021-05-28 4 S false 900.00 54.5456 D 136156.00 D Series 1 Common Stock 2021-05-28 4 M false 3000.00 3.03 A 139156.00 D Series 1 Common Stock 2021-05-28 4 M false 2000.00 3.03 A 141156.00 D Series 1 Common Stock 2021-05-28 4 S false 6063.00 55.4644 D 135093.00 D Series 1 Common Stock 2021-05-28 4 S false 600.00 56.5483 D 134493.00 D Series 1 Common Stock 2021-05-28 4 S false 99.00 57.43 D 134394.00 D Series 1 Common Stock 2021-05-28 4 S false 800.00 54.7826 D 133594.00 D Series 1 Common Stock 2021-05-28 4 S false 800.00 55.9462 D 132794.00 D Series 1 Common Stock 2021-05-28 4 S false 400.00 56.9775 D 132394.00 D Series 1 Common Stock 2021-05-28 4 S false 8500.00 56.5324 D 123894.00 D Series 1 Common Stock 2021-05-28 4 S false 1485.00 57.1704 D 122409.00 D Non-Qualified Stock Option (Right to Buy) 3.03 2021-05-28 4 M false 3000.00 0.00 D 2018-11-30 2028-11-30 Series 1 Common Stock 3000.00 79000.00 D Non-Qualified Stock Option (Right to Buy) 3.03 2021-05-28 4 M false 2000.00 0.00 D 2018-11-30 2028-11-30 Series 1 Common Stock 2000.00 77000.00 D This sale was effected pursuant to the Rule 10b5-1 trading plans adopted by the reporting person on November 30, 2020 and 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 $55.51 to $56.5099, 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 $56.60 to $57.5999, 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.03 to $57.0299, 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 12 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 $57.09 to $58.0899, 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 13 to this Form 4. Option was immediately exercisable on the date of grant. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.22 to $56.2199, 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 2 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 $54.19 to $55.1899, 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 3 to this Form 4. The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020. The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2021. Reflects units sold by the reporting person to cover tax withholding obligations in connection with the vesting and settlement of RSUs granted on May 27, 2020. The sale was to satisfy tax withholding obligations to be funded by a mandatory "sell to cover" transaction and does not represent a discretionary transaction by the reporting person. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.28 to $57.2799, 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.43 to $58.4299, 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 8 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 $54.33 to $55.3299, 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 2021-06-02