STAK (STAK) CEO Jiang Chuanbo discloses 7.7M Class B shares via Lanying Capital

Rhea-AI Filing Summary

STAK Inc. director and Chief Executive Officer Jiang Chuanbo filed an initial ownership report showing indirect control of 7,700,000 Class B Ordinary Shares. These shares are held through Lanying Capital Ltd., which is 100% owned by Jiang, making him a significant, over‑10% beneficial owner.

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^*

Jiang Chuanbo

(Last) (First) (Middle)

BUILDING 11, 8TH FLOOR

NO. 6 BEITANGHE EAST ROAD

(Street)

CHANGZHOU F4 213000

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/17/2026

3. Issuer Name and Ticker or Trading Symbol
STAK Inc. [ STAK ]

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

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

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

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)
Class B Ordinary Shares	7,700,000	I	By Lanying Capital Ltd.(1)

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:

1. The reported securities are directly held by Lanying Capital Ltd. The reporting person beneficially owns securities though his 100% shareholding of Lanying Capital Ltd.

	/s/ Jiang Chuanbo	03/17/2026
	** 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).
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FAQ

What insider ownership did STAK (STAK) disclose in this Form 3?

The filing shows Jiang Chuanbo indirectly holds 7,700,000 Class B Ordinary Shares of STAK Inc. These shares are reported as beneficially owned through Lanying Capital Ltd., reflecting a substantial ownership stake exceeding ten percent of the company’s equity.

Who is the reporting person in STAK (STAK)'s latest Form 3?

The reporting person is Jiang Chuanbo, a director and Chief Executive Officer of STAK Inc. He is also identified as a more-than-ten-percent owner, reflecting significant influence through his indirect holdings of Class B Ordinary Shares via Lanying Capital Ltd.

How are STAK (STAK) shares held by Jiang Chuanbo structured?

The reported 7,700,000 Class B Ordinary Shares are held indirectly through Lanying Capital Ltd. According to the disclosure, Jiang Chuanbo beneficially owns these securities through his 100% shareholding of Lanying Capital Ltd., giving him indirect control over the reported position.

Does the STAK (STAK) Form 3 show any recent insider buying or selling?

The Form 3 functions as an initial ownership statement and does not report specific buy or sell transactions. Instead, it records that 7,700,000 Class B Ordinary Shares are beneficially owned indirectly by Jiang Chuanbo through his wholly owned entity, Lanying Capital Ltd.

What type of shares does Jiang Chuanbo hold in STAK (STAK)?

The disclosed holdings consist of Class B Ordinary Shares of STAK Inc. A total of 7,700,000 shares are reported, all held indirectly via Lanying Capital Ltd., with beneficial ownership attributed to Jiang Chuanbo through his 100% shareholding in that entity.