Wang Chun Kai controls 39.3M OWLS shares (44.4%) — OBOOK HOLDINGS (OWLS)

Rhea-AI Filing Summary

OBOOK HOLDINGS INC. reports beneficial ownership by WANG CHUN KAI of 39,255,778 Class A-equivalent shares, representing 44.4%. The filing states the holding comprises 3,105,778 Class A Common Shares and 36,150,000 Class B Common Shares, with Class B shares convertible one‑for‑one into Class A for ownership calculations. The signature date shown is 03/06/2026.

Insights

Corporate Governance Analyst

Major concentrated ownership: single holder controls 44.4% of Class A-equivalent shares.

The filing lists 39,255,778 shares beneficially owned by WANG CHUN KAI, composed of 3,105,778 Class A and 36,150,000 Class B shares; Class B shares are convertible one‑for‑one into Class A for calculation purposes. This concentration gives the reporting person sole voting and dispositive power over the full amount.

Board dynamics and related-party decisions could be affected by a 44.4% holder; subsequent disclosures or transactions would clarify any governance or control implications. Timing shown by the signature is 03/06/2026.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

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

WANG CHUN KAI

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 39,255,778.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 39,255,778.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

39,255,778.00

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)

44.4 %

12

Type of Reporting Person (See Instructions)

IN

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, 台灣, 112
Item 2.
(a)	Name of person filing: WANG CHUN KAI
(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.: 68373Q109
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: 39,255,778 The Reporting Person beneficially owns 3,105,778 Class A Common Shares and 36,150,000 Class B Common Shares. The Class B Common Shares are convertible into Class A Common Shares on a one-for-one basis and are treated as Class A Common Shares for purposes of calculating beneficial ownership. The Reporting Person acquired the securities prior to the Issuer's listing on Nasdaq and beneficially owned more than five percent of the outstanding shares at the time the Issuer's securities became registered under the Securities Exchange Act of 1934.
(b)	Percent of class: 44.4 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 39,255,778
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 39,255,778
	(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.

WANG CHUN KAI

Signature:	/s/ WANG CHUN KAI
Name/Title:	Individual
Date:	03/06/2026

FAQ

How many shares of OWLS does WANG CHUN KAI beneficially own?

WANG CHUN KAI beneficially owns 39,255,778 shares on a Class A-equivalent basis. The total combines 3,105,778 Class A and 36,150,000 Class B shares, with Class B convertible one‑for‑one into Class A for ownership calculations.

What percentage of OWLS does this ownership represent?

The filing reports beneficial ownership of 44.4% of the Class A-equivalent shares. That percentage is calculated by treating the reported Class B shares as convertible one‑for‑one into Class A shares for purposes of the ownership calculation.

Do the Class B shares convert into Class A shares for voting calculations?

Yes. The filing states the 36,150,000 Class B Common Shares are convertible into Class A on a one‑for‑one basis and are treated as Class A Common Shares for calculating beneficial ownership and percentage.

When was the Schedule 13G signed or dated?

The signature block shows the filing was signed by WANG CHUN KAI on 03/06/2026. The header also references 10/16/2025, but the signature date is 03/06/2026 as provided in the excerpt.

Does the reporting person have voting and disposition power over these shares?

Yes. The filing lists sole voting power and sole dispositive power of 39,255,778 shares each, and 0 shared voting or dispositive power, per the Ownership section.