CMRC

SEC source: 0001562180-21-004182 · primarydocument.xml · nonDerivative · entry 1

Duvall Jimmy · CIK 0001819287 · Chief Product 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: 0001562180-21-004134 · primarydocument.xml · derivative · entry 8

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,000

Underlying: Series 1 Common Stock · 3,000 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.

F9 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-004134 · primarydocument.xml · nonDerivative · entry 7

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,409

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

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.75 to $61.7499, 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 8 to this Form 4.

SEC source: 0001562180-21-004134 · primarydocument.xml · nonDerivative · entry 6

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,302

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

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.50 to $60.4999, 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.

SEC source: 0001562180-21-004134 · primarydocument.xml · nonDerivative · entry 5

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,905

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

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.47 to $59.4699, 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: 0001562180-21-004134 · primarydocument.xml · nonDerivative · entry 4

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,483

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 $ 57.47 to $58.4699, 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: 0001562180-21-004134 · primarydocument.xml · nonDerivative · entry 3

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,902

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 $56.36 to $57.3599, 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: 0001562180-21-004134 · primarydocument.xml · nonDerivative · entry 2

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,209

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 $55.23 to $56.2299, 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: 0001562180-21-004134 · primarydocument.xml · nonDerivative · entry 1

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,409

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: 0001562180-21-004133 · primarydocument.xml · nonDerivative · entry 1

Ostryniec Marc · CIK 0001819274 · Chief Sales Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,157

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

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.00 to $59.9999, 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: 0001562180-21-004593 · primarydocument.xml · nonDerivative · entry 2

Siminoff Ellen F · CIK 0001386430 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The D & E Living Trust

Disclosed balance after: 65,833

F1 · shares: On June 3, 2021, the reporting person transferred 65,833 shares of Series 1 common stock to a family trust of which the reporting person is trustee. The reporting person and members of her immediate family are the sole beneficiaries of the trust.

SEC source: 0001562180-21-004593 · primarydocument.xml · nonDerivative · entry 1

Siminoff Ellen F · CIK 0001386430 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,306

F1 · shares: On June 3, 2021, the reporting person transferred 65,833 shares of Series 1 common stock to a family trust of which the reporting person is trustee. The reporting person and members of her immediate family are the sole beneficiaries of the trust.

SEC source: 0001562180-21-003938 · primarydocument.xml · derivative · entry 11

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,743

Underlying: Series 1 Common Stock · 20,000 shares

Expires 2022-06-22

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.

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

F10 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-003938 · primarydocument.xml · nonDerivative · entry 8

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,310

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.14 to $58.1399, 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.

SEC source: 0001562180-21-003938 · primarydocument.xml · nonDerivative · entry 7

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,410

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.05 to $57.0499, 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 8 to this Form 4.

SEC source: 0001562180-21-003938 · primarydocument.xml · nonDerivative · entry 6

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,455

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.23 to $58.2299, 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.

SEC source: 0001562180-21-003938 · primarydocument.xml · nonDerivative · entry 5

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,221

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.23 to $57.2299, 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: 0001562180-21-003938 · primarydocument.xml · nonDerivative · entry 4

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,969

F3 · 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 $55.20 to $56.1999, 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: 0001562180-21-003938 · primarydocument.xml · nonDerivative · entry 3

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 147,253

F3 · 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 $54.18 to $55.1799, 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: 0001562180-21-003938 · primarydocument.xml · nonDerivative · entry 2

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,455

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.

F2 · 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: 0001562180-21-003938 · primarydocument.xml · nonDerivative · entry 1

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,455

F1 · shares: 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.

SEC source: 0001562180-21-003937 · primarydocument.xml · nonDerivative · entry 3

Bellm Brent · CIK 0001513984 · Director · President Chief Exec Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,009,263

F2 · shares: 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.

SEC source: 0001562180-21-003939 · primarydocument.xml · nonDerivative · entry 5

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.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.30 to $58.2999, 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 6 to this Form 4.

SEC source: 0001562180-21-003939 · primarydocument.xml · nonDerivative · entry 4

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,409

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 $56.30 to $57.2999, 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 5 to this Form 4.

SEC source: 0001562180-21-003939 · primarydocument.xml · nonDerivative · entry 3

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,509

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 $55.25 to $56.2499, 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: 0001562180-21-003939 · primarydocument.xml · nonDerivative · entry 2

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,309

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 $54.24 to $55.2399, 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: 0001562180-21-003939 · primarydocument.xml · nonDerivative · entry 1

Dhatt Brian Singh · CIK 0001602034 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,374

F1 · shares: 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.

SEC source: 0001562180-21-003941 · primarydocument.xml · derivative · entry 14

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ex-Spouse

Disclosed balance after: 75,279

Underlying: Series 1 Common Stock · 9,365 shares

Expires 2028-09-20

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.

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

F13 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

F14 · ownership.direct: Options, which, pursuant to the terms of the Issuers equity incentive plan, are not transferable pursuant to a divorce decree, are held in the name of the reporting person for the benefit of the reporting persons ex-spouse pursuant to a divorce decree.

SEC source: 0001562180-21-003941 · primarydocument.xml · derivative · entry 13

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,334

Underlying: Series 1 Common Stock · 2,000 shares

Expires 2028-09-20

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.

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

F13 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 12

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ex-Spouse

Disclosed balance after: 0

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

F12 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.24 to $58.2399, 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.

F8 · ownership.direct: The shares underlying this sale are held in the name of the reporting person for the benefit of the reporting persons ex-spouse pursuant to a divorce decree.

SEC source: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 11

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ex-Spouse

Disclosed balance after: 400

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

F11 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.24 to $57.2399, 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.

F8 · ownership.direct: The shares underlying this sale are held in the name of the reporting person for the benefit of the reporting persons ex-spouse pursuant to a divorce decree.

SEC source: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 10

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ex-Spouse

Disclosed balance after: 2,301

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

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.21 to $56.2099, 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 10 to this Form 4.

F8 · ownership.direct: The shares underlying this sale are held in the name of the reporting person for the benefit of the reporting persons ex-spouse pursuant to a divorce decree.

SEC source: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 9

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ex-Spouse

Disclosed balance after: 6,055

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

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.17 to $55.1699, 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.

F8 · ownership.direct: The shares underlying this sale are held in the name of the reporting person for the benefit of the reporting persons ex-spouse pursuant to a divorce decree.

SEC source: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 8

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ex-Spouse

Disclosed balance after: 9,365

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.

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

F8 · ownership.direct: The shares underlying this sale are held in the name of the reporting person for the benefit of the reporting persons ex-spouse pursuant to a divorce decree.

SEC source: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 7

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,294

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

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.24 to $58.2399, 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.

SEC source: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 6

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,694

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

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.24 to $57.2399, 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: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 5

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,194

F1 · 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 $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 5 to this Form 4.

SEC source: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 4

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,427

F1 · 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 $54.18 to $55.1799, 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: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 3

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,566

F3 · shares: 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.

SEC source: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 2

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,416

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.

F2 · 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: 0001562180-21-003941 · primarydocument.xml · nonDerivative · entry 1

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,416

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

SEC source: 0001562180-21-003944 · primarydocument.xml · derivative · entry 7

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,495

Underlying: Series 1 Common Stock · 2,083 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.

F8 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-003944 · primarydocument.xml · nonDerivative · entry 6

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,083

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.30 to $58.2999, 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 7 to this Form 4.

SEC source: 0001562180-21-003944 · primarydocument.xml · nonDerivative · entry 5

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,483

F3 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F6 · price: 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 6 to this Form 4.

SEC source: 0001562180-21-003944 · primarydocument.xml · nonDerivative · entry 4

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 230,183

F3 · 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 $55.23 to $56.2299, 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: 0001562180-21-003944 · primarydocument.xml · nonDerivative · entry 3

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 233,625

F3 · 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 $54.17 to $55.1699, 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: 0001562180-21-003944 · primarydocument.xml · nonDerivative · entry 2

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 236,934

F2 · shares: 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.

SEC source: 0001562180-21-003944 · primarydocument.xml · nonDerivative · entry 1

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 241,721

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: 0001562180-21-003943 · primarydocument.xml · derivative · entry 14

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,000

Underlying: Series 1 Common Stock · 2,000 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.

F5 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2021.

F14 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-003943 · primarydocument.xml · derivative · entry 13

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,000

Underlying: Series 1 Common Stock · 3,000 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.

F4 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

F14 · derivative.exercise_date: Option was immediately exercisable on the date of grant.