Sec Form 4 Filing - General Catalyst GP IV, LLC @ BigCommerce Holdings, Inc. - 2020-11-17

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person General Catalyst GP IV, LLC 2. Issuer Name and Ticker or Trading Symbol BigCommerce Holdings, Inc. [ BIGC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 20 UNIVERSITY ROAD 4TH FLOOR, 3. Date of Earliest Transaction (MM/DD/YY) 11/17/2020 (Street) CAMBRIDGE, MA02138 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price SERIES 1 COMMON STOCK 11/17/2020 S 376,331 D $ 65.79 3,252,391 I By General Catalyst Group IV, L.P. ( 1 ) SERIES 1 COMMON STOCK 11/17/2020 S 9,985 D $ 65.79 86,294 I By GC Entrepreneurs Fund IV, L.P. ( 2 ) SERIES 1 COMMON STOCK 11/17/2020 S 202,352 D $ 65.79 1,748,804 I By General Catalyst Group V, L.P. ( 3 ) ( 4 ) SERIES 1 COMMON STOCK 11/17/2020 S 12,168 D $ 65.79 105,163 I By GC Entrepreneurs Fund V, L.P. ( 5 ) ( 6 ) SERIES 1 COMMON STOCK 11/17/2020 S 380,600 D $ 65.79 3,289,290 I By General Catalyst Group V Supplemental, L.P. ( 7 ) ( 8 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other General Catalyst GP IV, LLC 20 UNIVERSITY ROAD 4TH FLOOR CAMBRIDGE, MA02138 X GENERAL CATALYST GROUP IV LP C/O GENERAL CATALYST PARTNERS 20 UNIVERSITY ROAD 4TH FLOOR CAMBRIDGE, MA02138 X GC ENTREPRENEURS FUND IV L P 20 UNIVERSITY ROAD 4TH FLOOR CAMBRIDGE, MA02138 X General Catalyst Partners IV, L.P. C/O GENERAL CATALYST PARTNERS CAMBRIDGE, MA02138 X Signatures General Catalyst GP IV, LLC, the General Partner for General Catalyst Partners IV, L.P., the General Partner for GC Entrepreneurs Fund IV, L.P.; By: /s/ Christopher McCain, Chief Legal Officer 11/19/2020 Signature of Reporting Person Date General Catalyst Group IV, L.P., By: General Catalyst Partners IV, L.P., Its General Partner, By: General Catalyst GP IV, LLC, Its General Partner; By: /s/ Christopher McCain, Chief Legal Officer 11/19/2020 Signature of Reporting Person Date GC Entrepreneurs Fund IV, L.P., By: General Catalyst Partners IV, L.P., Its General Partner, by General Catalyst GP IV, LLC, its General Partner; By: /s/ Christopher McCain, Chief Legal Officer 11/19/2020 Signature of Reporting Person Date General Catalyst Partners IV, L.P.,, the General Partner for General Catalyst Group IV, L.P. and GC Entrepreneurs Fund IV, L.P.; By: /s/ Christopher McCain, Chief Legal Officer 11/19/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The reported securities are held directly by General Catalyst Group IV, L.P. General Catalyst GP IV, LLC is the general partner of General Catalyst Partners IV, L.P., which is the general partner of General Catalyst Group IV, L.P. and GC Entrepreneurs Fund IV, L.P. Lawrence Bohn, a member of Issuer's board of directors, Joel Cutler, and David Fialkow are managing directors of General Catalyst GP IV, LLC, and, as a result, may be deemed to have voting and dispositive power over the shares held by General Catalyst Group IV, L.P. and GC Entrepreneurs Fund IV, L.P. Each of the reporting persons and entities disclaims beneficial ownership of the reported securities except to the extent of such person's or entity's pecuniary interest in such securities. ( 2 )The reported securities are held directly by GC Entrepreneurs Fund IV, L.P. General Catalyst GP IV, LLC is the general partner of General Catalyst Partners IV, L.P., which is the general partner of General Catalyst Group IV, L.P. and GC Entrepreneurs Fund IV, L.P. Lawrence Bohn, a member of Issuer's board of directors, Joel Cutler, and David Fialkow are managing directors of General Catalyst GP IV, LLC, and, as a result, may be deemed to have voting and dispositive power over the shares held by General Catalyst Group IV, L.P. and GC Entrepreneurs Fund IV, L.P. Each of the reporting persons and entities disclaims beneficial ownership of the reported securities except to the extent of such person's or entity's pecuniary interest in such securities. ( 3 )The reported securities are held directly by General Catalyst Group V, L.P. General Catalyst GP V, LLC is the general partner of General Catalyst Partners V, L.P., which is the general partner of General Catalyst Group V, L.P., GC Entrepreneurs Fund V, L.P. and General Catalyst Group V Supplemental, L.P. Lawrence Bohn, a member of Issuer's board of directors, Joel Cutler, and David Fialkow are managing directors of General Catalyst GP V, LLC, and, as a result, may be deemed to have voting and dispositive power over the shares held by General Catalyst Group V, L.P., GC Entrepreneurs Fund V, L.P., and General Catalyst Group V Supplemental, L.P. GCGM Investment Holdings, L.P. is a limited partner of General Catalyst Partners V, L.P. with a pecuniary interest in the reported securities. ( 4 )(Continued from Footnote 3) GC Partners Holdings, L.P. is a limited partner of GCGM Investment Holdings, L.P. with a pecuniary interest in the reported securities. Each of the reporting persons and entities disclaims beneficial ownership of the reported securities except to the extent of such person's or entity's pecuniary interest in such securities. ( 5 )The reported securities are held directly by GC Entrepreneurs Fund V, L.P. General Catalyst GP V, LLC is the general partner of General Catalyst Partners V, L.P., which is the general partner of General Catalyst Group V, L.P., GC Entrepreneurs Fund V, L.P. and General Catalyst Group V Supplemental, L.P. Lawrence Bohn, a member of Issuer's board of directors, Joel Cutler, and David Fialkow are managing directors of General Catalyst GP V, LLC, and, as a result, may be deemed to have voting and dispositive power over the shares held by General Catalyst Group V, L.P., GC Entrepreneurs Fund V, L.P., and General Catalyst Group V Supplemental, L.P. GCGM Investment Holdings, L.P. is a limited partner of General Catalyst Partners V, L.P. with a pecuniary interest in the reported securities. ( 6 )(Continued from Footnote 5) GC Partners Holdings, L.P. is a limited partner of GCGM Investment Holdings, L.P. with a pecuniary interest in the reported securities. Each of the reporting persons and entities disclaims beneficial ownership of the reported securities except to the extent of such peron's or entity's pecuniary interest in such securities. ( 7 )The reported securities are held directly by General Catalyst Group V Supplemental, L.P. General Catalyst GP V, LLC is the general partner of General Catalyst Partners V, L.P., which is the general partner of General Catalyst Group V, L.P., GC Entrepreneurs Fund V, L.P. and General Catalyst Group V Supplemental, L.P. Lawrence Bohn, a member of Issuer's board of directors, Joel Cutler, and David Fialkow are managing directors of General Catalyst GP V, LLC, and, as a result, may be deemed to have voting and dispositive power over the shares held by General Catalyst Group V, L.P., GC Entrepreneurs Fund V, L.P., and General Catalyst Group V Supplemental, L.P. GCGM Investment Holdings, L.P. is a limited partner of General Catalyst Partners V, L.P. with a pecuniary interest in the reported securities. ( 8 )(Continued from Footnote 7) GC Partners Holdings, L.P. is a limited partner of GCGM Investment Holdings, L.P. with a pecuniary interest in the reported securities. Each of the reporting persons and entities disclaims beneficial ownership of the reported securities except to the extent of such person's or entity's pecuniary interest in such securities.

Remarks: This report is one of two reports, each on a separate Form 4, but relating to the same transaction being filed by entities affiliated with General Catalyst.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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