OBOOK reports 10.2M shares held (21.3%)

OBOOK HOLDINGS INC. reports beneficial ownership of 10,200,000 common shares by Hsieh Chung Han, consisting of 200,000 Class A shares and 10,000,000 Class B shares.

Rhea-AI Filing Summary

OBOOK HOLDINGS INC. reports beneficial ownership of 10,200,000 common shares by Hsieh Chung Han, consisting of 200,000 Class A shares and 10,000,000 Class B shares. The filing states this equals 21.3% of the class on a converted basis, using the issuer's share capital "as of" December 31, 2025.

The filing notes each Class B share is convertible into one Class A share and that Class B shares carry ten votes per share; the reported percentage treats Class B shares as converted solely for percentage calculation.

Insights

Corporate Governance Analyst

Major holder reports 21.3% stake on a conversion basis.

The report lists 10,200,000 shares beneficially owned by the reporting person, split into 200,000 Class A and 10,000,000 Class B shares, and uses the issuer's capital as of December 31, 2025 to compute 21.3%.

Because Class B shares carry ten votes each, the filing cautions that voting power may exceed the percentage shown; governance implications depend on the holder's voting alignment with other insiders.

Capital Markets Specialist

Conversion treatment affects percentage but not an immediate issuance.

The filing explicitly treats Class B shares as converted only for calculating percentage ownership; it does not state any new issuance or transfer of shares. The reported figures are tied to the stated share counts as of December 31, 2025.

Market impact or dilution is not described here; subsequent filings would be required to disclose any transfers, offerings, or changes in issued share capital.

FAQ

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

What stake does Hsieh Chung Han report in OWLS?

He reports beneficial ownership of 10,200,000 shares, made up of 200,000 Class A and 10,000,000 Class B shares, representing 21.3% on the filing's conversion basis.

How is the 21.3% ownership percentage calculated for OWLS?

The percentage divides the holder's aggregate Class A and Class B shares by the sum of 37,899,671 Class A shares outstanding and the holder's 10,000,000 Class B shares, treating Class B as converted for this calculation.

Do Class B shares have different voting rights in OWLS?

Yes. Each Class B share carries ten votes per share while each Class A has one vote; the filing notes the reported percentage does not reflect the ten-for-one voting power of Class B shares.

What date anchors the share counts in this Schedule 13G/A for OWLS?

The filing states the ownership information is based on the issuer's share capital "as of" December 31, 2025, and the signature is dated March 11, 2026.

Does this filing show any sale or transfer of OWLS shares?

No. The filing reports beneficial ownership figures and conversion treatment; it does not disclose any sale, transfer, or change in issued share capital in the provided excerpt.

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

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Accepted by SEC EDGAR 03/11/2026 - 09:57 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

OBOOK HOLDINGS INC.

(Name of Issuer)

Class A Common Shares

(Title of Class of Securities)

10/16/2025

(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)

SCHEDULE 13G

CUSIP Number(s):

1

Names of Reporting Persons

HSIEH CHUNG HAN

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

TAIWAN, PROVINCE OF CHINA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 10,200,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 10,200,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

10,200,000.00

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)

21.3 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: (1) Consists of 200,000 Class A Common Shares and 10,000,000 Class B Common Shares beneficially owned by the Reporting Person. (2) Each Class B Common Share is convertible at any time into one Class A Common Share. (3) The percent of class reported herein is based on the quotient obtained by dividing (a) the aggregate number of Class A Common Shares and Class B Common Shares beneficially owned by the Reporting Person by (b) the sum of (i) 37,899,671 Class A Common Shares outstanding and (ii) 10,000,000 Class B Common Shares beneficially owned by the Reporting Person. The Class B Common Shares are treated as converted into Class A Common Shares solely for the purpose of computing the percentage ownership reported herein. (4) Each Class A Common Share is entitled to one vote and each Class B Common Share is entitled to ten votes. The percentage ownership reported herein does not reflect the ten-for-one voting power of the Class B Common Shares. Accordingly, the Reporting Person may have greater voting power than the percentage ownership reported herein. (5) The information reported herein is based on the Issuer's share capital as of December 31, 2025.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: OBOOK HOLDINGS INC.
(b)	Address of issuer's principal executive offices: 9F., NO. 28, WENCHENG RD., BEITOU DIST., TAIPEI CITY, TAIWAN, 112.
Item 2.
(a)	Name of person filing: HSIEH CHUNG HAN
(b)	Address or principal business office or, if none, residence: 9F., NO. 28, WENCHENG RD., BEITOU DIST., TAIPEI CITY 112, TAIWAN
(c)	Citizenship: TAIWAN
(d)	Title of class of securities: Class A Common Shares
(e)	CUSIP No.: G67187107
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: 10,200,000 (1)(2)(5)
(b)	Percent of class: 21.3% (2)(3)(4)(5)
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 10,200,000 (1)(2)(5)
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 10,200,000 (1)(2)(5)
	(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:
	Not Applicable

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.

HSIEH CHUNG HAN

Signature:	/s/ HSIEH CHUNG HAN
Name/Title:	Individual
Date:	03/11/2026

Comments accompanying signature: (1) Consists of 200,000 Class A Common Shares and 10,000,000 Class B Common Shares beneficially owned by the Reporting Person. (2) Each Class B Common Share is convertible at any time into one Class A Common Share. (3) The percent of class reported herein is based on the quotient obtained by dividing (a) the aggregate number of Class A Common Shares and Class B Common Shares beneficially owned by the Reporting Person by (b) the sum of (i) 37,899,671 Class A Common Shares outstanding and (ii) 10,000,000 Class B Common Shares beneficially owned by the Reporting Person. The Class B Common Shares are treated as converted into Class A Common Shares solely for the purpose of computing the percentage ownership reported herein. (4) Each Class A Common Share is entitled to one vote and each Class B Common Share is entitled to ten votes. The percentage ownership reported herein does not reflect the ten-for-one voting power of the Class B Common Shares. Accordingly, the Reporting Person may have greater voting power than the percentage ownership reported herein. (5) The information reported herein is based on the Issuer's share capital as of December 31, 2025.