Dhatt Brian Singh

SEC source: 0001562180-25-002739 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 263,386

SEC source: 0001562180-25-001899 · primarydocument.xml · nonDerivative · entry 4

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 278,462

SEC source: 0001562180-25-001899 · primarydocument.xml · derivative · entry 5

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,865

Underlying: Series 1 Common Stock · 27,865 shares

Expires 2035-02-27

F1 · derivative.exercise_date: This stock option award was granted pursuant to the BigCommerce 2020 Equity Incentive Plan. One-fourth of the award will vest on February 21, 2026, and the remaining stock option award will vest in monthly installments thereafter until February 21, 2029.

SEC source: 0001562180-25-001899 · primarydocument.xml · nonDerivative · entry 3

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 280,290

SEC source: 0001562180-25-001899 · primarydocument.xml · nonDerivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 288,418

SEC source: 0001562180-25-001899 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 267,009

SEC source: 0001562180-24-004522 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 240,841

F1 · kind: Reflects shares sold to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units.

SEC source: 0001562180-24-002978 · primarydocument.xml · nonDerivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 246,628

SEC source: 0001562180-24-002978 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 253,227

SEC source: 0001562180-24-002424 · primarydocument.xml · derivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,000

Underlying: Common Stock · 60,000 shares

Expires 2034-03-05

F1 · derivative.exercise_date: This stock option award was granted pursuant to the BigCommerce 2020 Equity Incentive Plan. One-fourth of the award will vest on March 21, 2025, and the remaining stock option award will vest in monthly installments thereafter until March 21, 2028.

SEC source: 0001562180-24-002424 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 259,282

SEC source: 0001562180-24-002381 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 232,612

F1 · kind: Reflects shares sold to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units.

SEC source: 0001562180-23-004621 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 234,531

F1 · kind: Reflects shares sold to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units.

SEC source: 0001562180-23-003060 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 240,139

SEC source: 0001562180-23-002565 · primarydocument.xml · derivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,637

Underlying: Series 1 Common Stock · 43,637 shares

Expires 2033-03-03

F1 · derivative.exercise_date: This stock option award was granted pursuant to the BigCommerce 2020 Equity Incentive Plan. One-fourth of the award will vest on March 21, 2024, and the remaining stock option award will vest in monthly installments thereafter until March 21, 2027.

SEC source: 0001562180-23-002565 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 246,528

SEC source: 0001562180-23-002338 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 178,649

F1 · kind: Reflects shares sold to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units.

SEC source: 0001562180-22-004646 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 180,559

F1 · kind: Reflects shares sold to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units.

SEC source: 0001562180-22-002513 · primarydocument.xml · derivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,410

Underlying: Series 1 Common Stock · 63,410 shares

Expires 2032-03-08

F1 · derivative.exercise_date: This stock option award was granted pursuant to the BigCommerce 2020 Equity Incentive Plan. One-fourth of the award will vest on March 21, 2023, and the remaining stock option award will vest in monthly installments thereafter until March 21, 2026.

SEC source: 0001562180-22-002513 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 186,167

SEC source: 0001562180-22-002320 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,189

SEC source: 0001562180-21-007917 · primarydocument.xml · derivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,747

Underlying: Series 1 Common Stock · 50,000 shares

Expires 2026-11-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-007917 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,009

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001562180-21-007894 · primarydocument.xml · nonDerivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,009

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

SEC source: 0001562180-21-007894 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,209

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.53 to $38.5299, 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.

SEC source: 0001562180-21-006657 · primarydocument.xml · derivative · entry 8

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,929

Underlying: Series 1 Common Stock · 6,737 shares

Expires 2028-11-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

F7 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-006657 · primarydocument.xml · derivative · entry 7

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,512

Underlying: Series 1 Common Stock · 3,821 shares

Expires 2029-02-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

F7 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-006657 · primarydocument.xml · nonDerivative · entry 6

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,009

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.64 to $52.6399, 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.

SEC source: 0001562180-21-006657 · primarydocument.xml · nonDerivative · entry 5

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,909

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.61 to $51.6099, 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.

SEC source: 0001562180-21-006657 · primarydocument.xml · nonDerivative · entry 4

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,746

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

SEC source: 0001562180-21-006657 · primarydocument.xml · nonDerivative · entry 3

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,009

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.59 to $52.5899, 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.

SEC source: 0001562180-21-006657 · primarydocument.xml · nonDerivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,834

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.59 to $51.5899, 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.

SEC source: 0001562180-21-006657 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,830

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

SEC source: 0001562180-21-006137 · primarydocument.xml · derivative · entry 4

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,333

Underlying: Series 1 Common Stock · 10,000 shares

Expires 2029-02-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified on August 17, 2021.

F5 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-006137 · primarydocument.xml · nonDerivative · entry 3

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,009

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $53.77 to $54.7699, 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 4 to this Form 4.

SEC source: 0001562180-21-006137 · primarydocument.xml · nonDerivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,812

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified August 17, 2021.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.77 to $53.7699, 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 3 to this Form 4.

SEC source: 0001562180-21-006137 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,009

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020 and modified on August 17, 2021.

SEC source: 0001562180-21-006023 · primarydocument.xml · derivative · entry 5

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,333

Underlying: Series 1 Common Stock · 10,000 shares

Expires 2029-02-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F6 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-006023 · primarydocument.xml · nonDerivative · entry 4

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,009

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.93 to $58.9299, 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.

SEC source: 0001562180-21-006023 · primarydocument.xml · nonDerivative · entry 3

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,009

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.92 to $57.9199, 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.

SEC source: 0001562180-21-006023 · primarydocument.xml · nonDerivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,887

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.89 to $56.8899, 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.

SEC source: 0001562180-21-006023 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,009

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

SEC source: 0001562180-21-005081 · primarydocument.xml · derivative · entry 5

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,333

Underlying: Series 1 Common Stock · 10,000 shares

Expires 2029-02-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F6 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-005081 · primarydocument.xml · nonDerivative · entry 4

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,009

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.21 to $70.2099, 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.

SEC source: 0001562180-21-005081 · primarydocument.xml · nonDerivative · entry 3

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,509

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.05 to $69.0499, 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.

SEC source: 0001562180-21-005081 · primarydocument.xml · nonDerivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,252

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.05 to $68.0499, 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.

SEC source: 0001562180-21-005081 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,009

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

SEC source: 0001562180-21-004541 · primarydocument.xml · derivative · entry 4

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,333

Underlying: Series 1 Common Stock · 10,000 shares

Expires 2029-02-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F5 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-004541 · primarydocument.xml · nonDerivative · entry 3

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,009

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.38 to $66.3799, 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.

SEC source: 0001562180-21-004541 · primarydocument.xml · nonDerivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,940

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.30 to $65.2999, 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.