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Form SCHEDULE 13G/A OBOOK HOLDINGS INC. Filed by: HSIEH CHUNG HAN

March 11, 2026 9:57 AM





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




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



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.

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