# EDGAR Filing Document

**Accession Number:** 0001626450
**File Stem:** 0001562180-25-004636
**Filing Date:** 2025-6
**Character Count:** 6863
**Document Hash:** 7cbfb2b88d7d52681a671404c8e1f474
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001562180-25-004636.hdr.sgml**: 20250609

**ACCESSION NUMBER**: 0001562180-25-004636

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250605

**FILED AS OF DATE**: 20250609

**DATE AS OF CHANGE**: 20250609

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Gilligan Sarah
- **CENTRAL INDEX KEY:** 0001940536

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-39423
- **FILM NUMBER:** 251034614

**MAIL ADDRESS:**
- **STREET 1:** 11305 FOUR POINTS DRIVE
- **STREET 2:** BUILDING II, SUITE 100
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78726
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BigCommerce Holdings, Inc.
- **CENTRAL INDEX KEY:** 0001626450
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-PREPACKAGED SOFTWARE [7372]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 462707656
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 11305 FOUR POINTS DR, BLDG 2, SUITE 100
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78726
- **BUSINESS PHONE:** 1-888-699-8911

**MAIL ADDRESS:**
- **STREET 1:** 11305 FOUR POINTS DR, BLDG 2, SUITE 100
- **CITY:** AUSTIN
- **STATE:** TX
- **ZIP:** 78726

## Ex-24

```

SUBSTITUTE POWER OF ATTORNEY

Under the terms of powers of attorney (each, a "Power of Attorney") previously
filed with the U.S. Securities and Exchange Commission, the undersigned was
appointed an attorney-in-fact for the below listed individuals to, among other
things, execute for and on behalf of the following individuals any Forms 3, 4
and 5 or any amendments thereto, in accordance with Section 16(a) of the
Securities Exchange Act of 1934, as amended, and the rules thereunder:

Satish Malhotra
Sarah Gilligan

In accordance with the authority granted under each Power of Attorney,
including the power of substitution, the undersigned hereby appoints
Chuck Cassidy as substitute attorney-in-fact, on behalf of the individuals
listed above, with the power to exercise and execute all of the powers
granted or conferred in the original Power of Attorney.

This Substitute Power of Attorney shall remain in full force and effect
until the underlying Power of Attorney is revoked or terminated, unless
earlier revoked by the undersigned in a signed writing.

Date: June 2, 2023
By: /s/ Jeff Mengoli
Name: Jeff Mengoli
Title: Attorney-in-Fact

```

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Gilligan Sarah<br><sub>(Last) (First) (Middle)</sub><br>C/O BIG COMMERCE HOLDINGS, INC.<br>11305 FOUR POINTS DR, BLDG II, SUITE 100<br><sub>(Street)</sub><br>AUSTIN, TX 78726<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-05 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>BigCommerce Holdings, Inc. [ BIGC ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Series 1 Common Stock | 2025-06-05 |  | A |  | 2320.00 | A | $0.00 | 75835.00 | D |  |
| Series 1 Common Stock | 2025-06-05 |  | A |  | 34337.00 | A | $0.00 | 110172.00 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

**Signature:** /s/ Chuck Cassidy, Attorney-in-Fact for Gilligan, Sarah  
**Date:** 2025-06-09

### Remarks:

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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**