GigaCloud family trust sells 27,703 shares

GigaCloud’s Head of Brand Center, who is also a director, is the trust’s settlor and co-trustee and may be deemed to indirectly beneficially own its shares.

Rhea-AI Filing Summary

GigaCloud Technology Inc shares held by the Marshall R. Bernes Family Trust were sold: 15,703 Class A ordinary shares on September 22, 2026, at $53.5849 per share, and 12,000 on September 21, 2026, at $53.4738 per share. Marshall R. Bernes, identified as Head of Brand Center and a director, is the trust’s settlor and a co-trustee and may be deemed to indirectly beneficially own the trust’s shares. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Seller: 27,703 shares

Net Sell 2 txns

Insider Bernes Marshall

Role Head of Brand Center

Sold 27,703 shs ($1.48M)

Type	Security	Shares	Price	Value
Sale	Class A Ordinary Shares, par value $0.05 per share F1	15,703	$53.5849	$841K
Sale	Class A Ordinary Shares, par value $0.05 per share F1	12,000	$53.4738	$642K

Holdings After Transaction: Class A Ordinary Shares, par value $0.05 per share — 25,447 shares (Indirect, By Family Trust)

Footnotes (1)

1. F1. Shares are directly owned by the Marshall R. Bernes Family Trust ("Family Trust"). The Reporting Person is the settlor and a co-trustee of the Family Trust and, in such capacity, may be deemed to indirectly beneficially own the securities owned by the Family Trust.

Key Figures

Shares sold: 15,703 shares Price per share: $53.5849 per share Shares sold: 12,000 shares +2 more

5 metrics

Shares sold 15,703 shares Marshall R. Bernes Family Trust sale on September 22, 2026

Price per share $53.5849 per share Marshall R. Bernes Family Trust sale on September 22, 2026

Shares sold 12,000 shares Marshall R. Bernes Family Trust sale on September 21, 2026

Price per share $53.4738 per share Marshall R. Bernes Family Trust sale on September 21, 2026

Total shares sold 27,703 shares Two reported sales

Key Terms

settlor, co-trustee, beneficially own

3 terms

settlor regulatory

"the settlor and a co-trustee of the Family Trust"

co-trustee regulatory

"the settlor and a co-trustee of the Family Trust"

beneficially own regulatory

"may be deemed to indirectly beneficially own the securities"

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many GCT shares did the Marshall R. Bernes Family Trust sell?

The Marshall R. Bernes Family Trust reported sales totaling 27,703 GigaCloud Technology Inc Class A ordinary shares: 15,703 on September 22, 2026, at $53.5849 per share and 12,000 on September 21, 2026, at $53.4738 per share.

Were the GCT share sales reported under a Rule 10b5-1 plan?

No Rule 10b5-1 plan is reported for the transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 09/23/2026 - 09:11 PM Accepted by SEC EDGAR 09/23/2026 - 09:11 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Bernes Marshall

(Last) (First) (Middle)

C/O GIGACLOUD TECHNOLOGY INC

4388 SHIRLEY AVE

(Street)

EL MONTE CALIFORNIA 91731

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
GigaCloud Technology Inc [ GCT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Head of Brand Center

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/21/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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
Class A Ordinary Shares, par value $0.05 per share	09/21/2026		S		12,000	D	$53.4738	41,150	I	By Family Trust(1)
Class A Ordinary Shares, par value $0.05 per share	09/22/2026		S		15,703	D	$53.5849	25,447	I	By Family Trust(1)

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Shares are directly owned by the Marshall R. Bernes Family Trust ("Family Trust"). The Reporting Person is the settlor and a co-trustee of the Family Trust and, in such capacity, may be deemed to indirectly beneficially own the securities owned by the Family Trust.

Remarks:

	/s/ Lei Wu, Attorney-in-fact	09/23/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)