CMRC

SEC source: 0001562180-21-004503 · primarydocument.xml · derivative · entry 3

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,999

Underlying: Series 1 Common Stock · 6,513 shares

Expires 2026-07-29

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.

F3 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-004503 · primarydocument.xml · nonDerivative · entry 2

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 262,225

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

SEC source: 0001562180-21-004503 · primarydocument.xml · nonDerivative · entry 1

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 268,738

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: 0001562180-21-004464 · primarydocument.xml · nonDerivative · entry 2

MURRAY STEVEN JOSEPH · CIK 0001645372 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Softbank Princeville Investments, L.P.

Disclosed balance after: 1,975,461

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 16, 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 $65.00 to $65.1900, 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.

F3 · ownership.nature: The reported securities are held directly by Softbank Princeville Investments, L.P. ("Softbank Princeville"). The Reporting Person is the managing member of SB PV GP LLC, which is the general partner of SB PV GP, L.P., the general partner of Softbank Princeville. The Reporting Person may be deemed to have voting and dispositive power with respect to these shares. The Reporting Person disclaims beneficial ownership of the shares held by Softbank Princeville except to the extent of his pecuniary interest therein.

SEC source: 0001562180-21-004480 · primarydocument.xml · derivative · entry 5

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 126,734

Underlying: Series 1 Common Stock · 5,309 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.

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: 0001562180-21-004480 · primarydocument.xml · nonDerivative · entry 2

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,310

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

SEC source: 0001562180-21-004480 · primarydocument.xml · nonDerivative · entry 1

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,619

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: 0001562180-21-004481 · primarydocument.xml · derivative · entry 3

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,512

Underlying: Series 1 Common Stock · 5,473 shares

Expires 2026-07-29

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.

F3 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-004481 · primarydocument.xml · nonDerivative · entry 2

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 262,225

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

SEC source: 0001562180-21-004481 · primarydocument.xml · nonDerivative · entry 1

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 267,698

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: 0001562180-21-004460 · primarydocument.xml · derivative · entry 5

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,043

Underlying: Series 1 Common Stock · 2,700 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.

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: 0001562180-21-004460 · primarydocument.xml · nonDerivative · entry 2

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,310

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 $65.00 to $65.9999, 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 3 to this Form 4.

SEC source: 0001562180-21-004460 · primarydocument.xml · nonDerivative · entry 1

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 119,010

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: 0001562180-21-004464 · primarydocument.xml · nonDerivative · entry 1

MURRAY STEVEN JOSEPH · CIK 0001645372 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Softbank Princeville Investments, L.P.

Disclosed balance after: 1,998,228

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 16, 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 $65.00 to $65.9999, 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.

F3 · ownership.nature: The reported securities are held directly by Softbank Princeville Investments, L.P. ("Softbank Princeville"). The Reporting Person is the managing member of SB PV GP LLC, which is the general partner of SB PV GP, L.P., the general partner of Softbank Princeville. The Reporting Person may be deemed to have voting and dispositive power with respect to these shares. The Reporting Person disclaims beneficial ownership of the shares held by Softbank Princeville except to the extent of his pecuniary interest therein.

SEC source: 0001562180-21-004461 · primarydocument.xml · derivative · entry 3

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,985

Underlying: Series 1 Common Stock · 10,300 shares

Expires 2026-07-29

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.

F4 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-004461 · primarydocument.xml · nonDerivative · entry 2

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 262,225

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 $65.00 to $65.9999, 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 3 to this Form 4.

SEC source: 0001562180-21-004461 · primarydocument.xml · nonDerivative · entry 1

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 272,525

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: 0001562180-21-004426 · primarydocument.xml · derivative · entry 6

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,334

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.

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: 0001562180-21-004426 · primarydocument.xml · nonDerivative · entry 5

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,294

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

SEC source: 0001562180-21-004426 · primarydocument.xml · nonDerivative · entry 4

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,484

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 $62.65 to $63.6499, 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: 0001562180-21-004426 · primarydocument.xml · nonDerivative · entry 3

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,684

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 $61.54 to $62.5399, 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: 0001562180-21-004426 · primarydocument.xml · nonDerivative · entry 2

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,494

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 $60.29 to $61.2899, 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: 0001562180-21-004426 · primarydocument.xml · nonDerivative · entry 1

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,294

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: 0001562180-21-004362 · primarydocument.xml · derivative · entry 5

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,412

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.

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

SEC source: 0001562180-21-004362 · primarydocument.xml · nonDerivative · entry 4

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,083

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 $63.06 to $64.0599, 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: 0001562180-21-004362 · primarydocument.xml · nonDerivative · entry 3

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 219,583

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 $62.04 to $63.0399, 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: 0001562180-21-004362 · primarydocument.xml · nonDerivative · entry 2

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 222,195

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 $61.04 to $62.0399, 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: 0001562180-21-004362 · primarydocument.xml · nonDerivative · entry 1

Vaillancourt Paul · CIK 0001819272 · Chief Services Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 230,166

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: 0001562180-21-004361 · primarydocument.xml · derivative · entry 5

Ostryniec Marc · CIK 0001819274 · Chief Sales Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 225,896

Underlying: Series 1 Common Stock · 10,000 shares

Expires 2028-12-31

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: 0001562180-21-004361 · primarydocument.xml · nonDerivative · entry 4

Ostryniec Marc · CIK 0001819274 · Chief Sales Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,157

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 $63.08 to $64.0799, 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: 0001562180-21-004361 · primarydocument.xml · nonDerivative · entry 3

Ostryniec Marc · CIK 0001819274 · Chief Sales Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,457

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 $62.05 to $63.0499, 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: 0001562180-21-004361 · primarydocument.xml · nonDerivative · entry 2

Ostryniec Marc · CIK 0001819274 · Chief Sales Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,637

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 $61.04 to $62.0399, 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: 0001562180-21-004361 · primarydocument.xml · nonDerivative · entry 1

Ostryniec Marc · CIK 0001819274 · Chief Sales Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,157

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: 0001562180-21-004360 · primarydocument.xml · derivative · entry 10

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,000

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.

F2 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2021.

F11 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-004360 · primarydocument.xml · derivative · entry 9

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,000

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.

F11 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-004360 · primarydocument.xml · nonDerivative · entry 8

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,409

F7 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2021.

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.50 to $64.499, 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.

SEC source: 0001562180-21-004360 · primarydocument.xml · nonDerivative · entry 7

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,609

F7 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2021.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.45 to $63.4499, 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: 0001562180-21-004360 · primarydocument.xml · nonDerivative · entry 6

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,009

F7 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2021.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.08 to $62.0799, 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: 0001562180-21-004360 · primarydocument.xml · nonDerivative · entry 5

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,409

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 $63.24 to $64.2399, 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: 0001562180-21-004360 · primarydocument.xml · nonDerivative · entry 4

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,609

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 $62.21 to $63.2099, 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: 0001562180-21-004360 · primarydocument.xml · nonDerivative · entry 3

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,335

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 $61.06 to $62.0599, 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: 0001562180-21-004360 · primarydocument.xml · nonDerivative · entry 2

Mengoli Jeff · CIK 0001819282 · Chief Legal Officer/Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,409

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.

F2 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 10, 2021.

SEC source: 0001562180-21-004360 · 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: 0001562180-21-004304 · primarydocument.xml · derivative · entry 3

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,334

Underlying: Series 1 Common Stock · 16,000 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.

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.

F4 · derivative.exercise_date: Option was immediately exercisable on the date of grant.

SEC source: 0001562180-21-004304 · primarydocument.xml · nonDerivative · entry 2

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,294

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 $64.00 to $64.9999, 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 3 to this Form 4.

SEC source: 0001562180-21-004304 · primarydocument.xml · nonDerivative · entry 1

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,294

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: 0001562180-21-004182 · primarydocument.xml · derivative · entry 6

Duvall Jimmy · CIK 0001819287 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,009

Underlying: Series 1 Common Stock · 5,000 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 · kind: The stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 30, 2020.

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

SEC source: 0001562180-21-004182 · primarydocument.xml · nonDerivative · entry 4

Duvall Jimmy · CIK 0001819287 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,009

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 $60.51 to $61.5099, 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 5 to this Form 4.

SEC source: 0001562180-21-004182 · primarydocument.xml · nonDerivative · entry 3

Duvall Jimmy · CIK 0001819287 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,209

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 $59.40 to $60.3999, 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: 0001562180-21-004182 · primarydocument.xml · nonDerivative · entry 2

Duvall Jimmy · CIK 0001819287 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,082

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 $58.38 to $59.3799, 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 3 to this Form 4.