ZeroStack adds new 8.3% owner Puple AI Inc.

Rhea-AI Filing Summary

ZeroStack Corp. (ZSTK) has a new large shareholder disclosure, with Puple AI Inc. reporting beneficial ownership of 1,750,000 common shares of ZeroStack Corp. on a Schedule 13G. This represents 8.3% of the outstanding common shares, based on 20,989,828 shares outstanding as of August 19, 2026.

Puple AI Inc., organized in Panama, reports sole voting and dispositive power over all 1,750,000 shares and no shared voting or dispositive power.

Key Figures

Shares beneficially owned: 1,750,000 shares Percent of class: 8.3% Shares outstanding: 20,989,828 shares +2 more

5 metrics

Shares beneficially owned 1,750,000 shares Common shares of ZeroStack Corp. beneficially owned by Puple AI Inc.

Percent of class 8.3% Portion of ZeroStack common shares beneficially owned by Puple AI Inc.

Shares outstanding 20,989,828 shares ZeroStack common shares outstanding as of August 19, 2026, used for ownership calculation

Sole voting power 1,750,000 shares Shares over which Puple AI Inc. has sole power to vote or direct the vote

Sole dispositive power 1,750,000 shares Shares over which Puple AI Inc. has sole power to dispose or direct the disposition

Key Terms

beneficially owned, Percent of class, sole voting power, sole dispositive power

4 terms

beneficially owned financial

"Amount beneficially owned: 1,750,000"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Percent of class financial

"Percent of class: 8.3%"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

sole voting power financial

"Sole power to vote or to direct the vote: 1,750,000"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

sole dispositive power financial

"Sole power to dispose or to direct the disposition of: 1,750,000"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

FAQ

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

What percentage of ZeroStack Corp. (ZSTK) shares does Puple AI Inc. own?

Puple AI Inc. reports beneficial ownership of 8.3% of ZeroStack Corp.’s common shares, based on 1,750,000 shares owned and 20,989,828 shares outstanding as of August 19, 2026.

How many ZeroStack Corp. (ZSTK) shares does Puple AI Inc. report owning?

Puple AI Inc. reports beneficial ownership of 1,750,000 common shares of ZeroStack Corp., with sole voting and sole dispositive power over all of these shares.

What is the basis for Puple AI Inc.’s 8.3% ownership calculation in ZSTK?

The 8.3% ownership is calculated using 20,989,828 outstanding common shares of ZeroStack Corp. as of August 19, 2026, as stated in the disclosure.

Does Puple AI Inc. share voting power over its ZeroStack Corp. (ZSTK) shares?

No. Puple AI Inc. reports sole power to vote or direct the vote over 1,750,000 shares and shared voting power of 0 shares.

Does Puple AI Inc. have shared dispositive power over any ZSTK shares?

No. Puple AI Inc. reports sole power to dispose or direct the disposition of 1,750,000 shares and shared dispositive power of 0 shares of ZeroStack Corp.

Who signed the Schedule 13G filing related to ZeroStack Corp. (ZSTK)?

The Schedule 13G for ZeroStack Corp. was signed by Taehyeong Kwon as Director of Puple AI Inc. on September 2, 2026.

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

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Available on EDGAR 09/02/2026 - 04:55 PM EDT Accepted by SEC EDGAR 09/02/2026 - 04:54 PM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

ZeroStack Corp.

(Name of Issuer)

Common Shares, No Par Value

(Title of Class of Securities)

98956L101

(CUSIP Number)

08/19/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 98956L101

1

Names of Reporting Persons

Puple AI Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

PANAMA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,750,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,750,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,750,000.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

8.3 %

12

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person: The percentages reported herein are calculated based on 20,989,828 outstanding common shares of the Issuer as of August 19, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ZeroStack Corp.
(b)	Address of issuer's principal executive offices: 2626 Cole Avenue, Suite 300, Dallas, TX 75204
Item 2.
(a)	Name of person filing: Puple AI Inc.
(b)	Address or principal business office or, if none, residence: Advanced Tower Building First Floor, Ricardo Arias Street Panama City, Republic of Panama
(c)	Citizenship: Panama
(d)	Title of class of securities: Common Shares, No Par Value
(e)	CUSIP Number(s): 98956L101
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 1,750,000
(b)	Percent of class: 8.3%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1,750,000
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1,750,000
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Puple AI Inc.

Signature:	/s/ Taehyeong Kwon
Name/Title:	Director
Date:	09/02/2026