CMRC

SEC source: 0001562180-21-004896 · primarydocument.xml · derivative · entry 5

Duvall Jimmy · CIK 0001819287 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,009

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.

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

SEC source: 0001562180-21-004896 · primarydocument.xml · nonDerivative · entry 3

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.28 to $71.2799, 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 4 to this Form 4.

SEC source: 0001562180-21-004896 · primarydocument.xml · nonDerivative · entry 2

Duvall Jimmy · CIK 0001819287 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,084

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 $69.26 to $70.2599, 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: 0001562180-21-004896 · 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: 0001562180-21-004895 · primarydocument.xml · nonDerivative · entry 3

MURRAY STEVEN JOSEPH · CIK 0001645372 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 783,660

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 16, 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 $71.00 to $71.0500, 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.

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: 0001562180-21-004895 · 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: 785,866

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 $70.00 to $70.9950, 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: 0001562180-21-004895 · 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: 1,034,356

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 $70.00 to $70.2100, 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: 0001562180-21-004867 · primarydocument.xml · derivative · entry 4

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ex-Spouse

Disclosed balance after: 56,549

Underlying: Series 1 Common Stock · 18,730 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.

F7 · 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: 0001562180-21-004867 · primarydocument.xml · nonDerivative · entry 2

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ex-Spouse

Disclosed balance after: 0

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 $70.0173 to $71.0172, 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.

F5 · 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: 0001562180-21-004867 · primarydocument.xml · nonDerivative · entry 1

EGGERTON LISA · CIK 0001617333 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ex-Spouse

Disclosed balance after: 18,730

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.

F2 · ownership.direct: The shares were acquired pursuant to an option exercise at the direction of, and are held for the benefit of, the reporting person's former spouse pursuant to a divorce decree. The reporting person disclaims beneficial ownership of these shares

SEC source: 0001562180-21-004861 · primarydocument.xml · derivative · entry 7

Ostryniec Marc · CIK 0001819274 · Chief Sales Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205,896

Underlying: Series 1 Common Stock · 9,067 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: 0001562180-21-004861 · primarydocument.xml · nonDerivative · entry 5

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 $70.78 to $71.7799, 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: 0001562180-21-004861 · primarydocument.xml · nonDerivative · entry 4

Ostryniec Marc · CIK 0001819274 · Chief Sales Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,027

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 $69.715 to $70.7149, 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: 0001562180-21-004861 · primarydocument.xml · nonDerivative · entry 3

Ostryniec Marc · CIK 0001819274 · Chief Sales Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,224

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: 0001562180-21-004860 · primarydocument.xml · nonDerivative · entry 4

MURRAY STEVEN JOSEPH · CIK 0001645372 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,072,491

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 16, 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 $72.00 to $72.1600, 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.

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: 0001562180-21-004860 · primarydocument.xml · nonDerivative · entry 3

MURRAY STEVEN JOSEPH · CIK 0001645372 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,084,542

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 16, 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 $71.00 to $71.9900, 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.

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: 0001562180-21-004860 · 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: 1,153,035

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 $70.00 to $70.9900, 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: 0001562180-21-004861 · primarydocument.xml · derivative · entry 6

Ostryniec Marc · CIK 0001819274 · Chief Sales Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 214,963

Underlying: Series 1 Common Stock · 10,933 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: 0001562180-21-004861 · primarydocument.xml · nonDerivative · entry 2

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.00 to $67.9999, 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: 0001562180-21-004861 · primarydocument.xml · nonDerivative · entry 1

Ostryniec Marc · CIK 0001819274 · Chief Sales Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,090

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: 0001562180-21-004860 · 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: 1,499,228

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 $65.8500, 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: 0001562180-21-004786 · 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: 1,523,391

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 $65.6300, 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: 0001562180-21-004786 · 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: 1,626,344

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 $65.6500, 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: 0001562180-21-004785 · primarydocument.xml · derivative · entry 3

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,080

Underlying: Series 1 Common Stock · 5,000 shares

Expires 2025-11-12

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: 0001562180-21-004785 · 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: 0001562180-21-004785 · primarydocument.xml · nonDerivative · entry 1

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 267,225

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: 0001562180-21-004633 · 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: 1,665,649

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 $65.1200, 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.

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: 0001562180-21-004633 · 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: 1,679,874

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 $65.29, 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 1 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: 0001562180-21-004566 · 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: 1,737,145

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 $65.42, 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: 0001562180-21-004593 · primarydocument.xml · nonDerivative · entry 4

Siminoff Ellen F · CIK 0001386430 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The D & E Living Trust

Disclosed balance after: 63,333

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 $64.91 to $65.9099, 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: 0001562180-21-004593 · primarydocument.xml · nonDerivative · entry 3

Siminoff Ellen F · CIK 0001386430 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The D & E Living Trust

Disclosed balance after: 63,633

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 $63.90 to $64.8999, 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: 0001562180-21-004566 · 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: 1,795,936

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 $65.0800, 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: 0001562180-21-004505 · primarydocument.xml · nonDerivative · entry 3

MURRAY STEVEN JOSEPH · CIK 0001645372 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,798,936

F1 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 16, 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 $66.00 to $66.15, 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.

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: 0001562180-21-004505 · 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: 1,805,795

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 $65.9999, 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 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: 0001562180-21-004544 · primarydocument.xml · derivative · entry 5

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,743

Underlying: Series 1 Common Stock · 15,404 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.

SEC source: 0001562180-21-004544 · primarydocument.xml · nonDerivative · entry 2

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,310

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: 0001562180-21-004544 · primarydocument.xml · nonDerivative · entry 1

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,906

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: 0001562180-21-004541 · 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.

SEC source: 0001562180-21-004541 · 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: 0001562180-21-004547 · primarydocument.xml · derivative · entry 5

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Series 1 Common Stock · 1,999 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: 0001562180-21-004547 · primarydocument.xml · derivative · entry 4

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,080

Underlying: Series 1 Common Stock · 15,715 shares

Expires 2025-11-12

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: 0001562180-21-004547 · primarydocument.xml · nonDerivative · entry 3

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: 0001562180-21-004547 · primarydocument.xml · nonDerivative · entry 2

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 279,939

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: 0001562180-21-004547 · primarydocument.xml · nonDerivative · entry 1

Klein Russell Scott · CIK 0001819255 · Chief Commercial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 277,940

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: 0001562180-21-004504 · primarydocument.xml · derivative · entry 5

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,147

Underlying: Series 1 Common Stock · 6,587 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: 0001562180-21-004504 · 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: 0001562180-21-004504 · primarydocument.xml · nonDerivative · entry 1

Alvarez Robert · CIK 0001819281 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,897

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: 0001562180-21-004505 · 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: 1,953,004

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 $65.09, 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.