Golden Sun Technology (NASDAQ: GSUN) names CFO Sun Yu as reporting insider in Form 3

Rhea-AI Filing Summary

Golden Sun Technology Group Ltd. filed an initial insider ownership report for Sun Yu. The filing identifies Sun Yu as an officer of the company, serving as Chief Financial Officer. This Form 3 does not list any insider buy or sell transactions; it simply establishes his reporting status as a company insider.

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SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Sun Yu

(Last) (First) (Middle)

ROOM 503, BUILDING C2, NO. 1599

XINJINQIAO ROAD, PUDONG NEW AREA

(Street)

SHANGHAI 200083

(City) (State) (Zip)

CHINA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Golden Sun Technology Group Ltd. [ GSUN ]

3a. Foreign Trading Symbol

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Yu Sun	03/26/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does the Golden Sun Technology (GSUN) Form 3 filing report for Sun Yu?

The Form 3 filing reports that Sun Yu is an insider of Golden Sun Technology Group Ltd., serving as Chief Financial Officer. It establishes his status for future ownership and transaction reporting without detailing any current trades.

Does the GSUN Form 3 for Sun Yu show any insider stock purchases or sales?

No, the Form 3 for Sun Yu does not report any insider stock purchases or sales. It is an initial ownership filing that designates him as Chief Financial Officer and a reporting insider for future Form 4 or Form 5 disclosures.

What is Sun Yu’s role at Golden Sun Technology Group Ltd. in this Form 3?

In the Form 3, Sun Yu is identified as an officer of Golden Sun Technology Group Ltd. with the title of Chief Financial Officer. This confirms his executive status and obligation to report future changes in his beneficial ownership.

Why is Golden Sun Technology (GSUN) filing a Form 3 for its Chief Financial Officer?

Golden Sun Technology Group Ltd. filed a Form 3 for its Chief Financial Officer, Sun Yu, to record his status as an insider. This initial filing sets the baseline for future SEC reports of his holdings and any reportable transactions in company securities.

Does the GSUN Form 3 disclose any derivative or option positions for Sun Yu?

The insider data provided for the Form 3 shows no derivative positions or option exercises for Sun Yu. It functions primarily as a registration of his insider status rather than a record of specific equity or derivative transactions at this time.