OBOOK CTO reports initial share ownership

Rhea-AI Filing Summary

OBOOK HOLDINGS INC. Chief Technology Officer Hsieh Chung Han filed an initial ownership report showing holdings in both Class A and Class B shares. The filing lists 200,000 Class A Common Shares, all as restricted stock awards under the 2021 Share Incentive Plan, and 10,000,000 Class B Common Shares held directly.

Of the Class A awards, 10,000 shares vested on August 8, 2025. The remaining 190,000 shares vest in installments of 10,000 shares on August 8, 2026, 40,000 on August 8, 2027, 60,000 on August 8, 2028, and 80,000 on August 8, 2029, subject to continued service, with unvested shares forfeited if service ends before vesting.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider HSIEH CHUNG HAN

Role Chief Technology Officer

Type	Security	Shares	Price	Value
holding	Class A Common Shares	--	--	--
holding	Class B Common Shares	--	--	--

Holdings After Transaction: Class A Common Shares — 200,000 shares (Direct); Class B Common Shares — 10,000,000 shares (Direct)

Footnotes (1)

1. F1. Of the 200,000 Class A Common Shares reported herein, all represent restricted stock awards granted pursuant to the Issuer's 2021 Share Incentive Plan. 10,000 shares vested on August 8, 2025, and the remaining shares vest in installments as follows: 10,000 shares on August 8, 2026, 40,000 shares on August 8, 2027, 60,000 shares on August 8, 2028, and 80,000 shares on August 8, 2029, in each case subject to the Reporting Person's continued service with the Issuer. Unvested shares are subject to forfeiture if the Reporting Person's service terminates prior to the applicable vesting date.

FAQ

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

What did OWLS CTO Hsieh Chung Han report on this Form 3?

The CTO reported initial ownership of 200,000 Class A restricted stock awards and 10,000,000 Class B Common Shares in OBOOK HOLDINGS INC. This disclosure establishes his equity stake as a director and officer at the time of the filing.

How many OWLS Class A shares does the CTO hold and how do they vest?

He holds 200,000 Class A Common Shares as restricted stock awards. 10,000 vested on August 8, 2025, with remaining shares vesting annually through 2029 in increasing installments, all conditioned on continued service with OBOOK HOLDINGS INC.

What is the vesting schedule for the OWLS restricted stock awards?

After 10,000 shares vested on August 8, 2025, vesting continues with 10,000 shares on August 8, 2026, 40,000 on August 8, 2027, 60,000 on August 8, 2028, and 80,000 on August 8, 2029, assuming continued service; unvested shares can be forfeited.

How many OWLS Class B shares are reported on this Form 3?

The filing reports 10,000,000 Class B Common Shares held directly by the CTO. This figure reflects his Class B ownership position as of the reporting date and does not indicate any new purchase or sale activity.

Does this OWLS Form 3 show any insider buying or selling activity?

No buy or sell transactions are reported. The Form 3 functions as an initial ownership statement, listing existing holdings in Class A restricted stock awards and Class B Common Shares without recording any new trades or option exercises.

What happens to unvested OWLS restricted shares if the CTO leaves the company?

Unvested restricted Class A shares are subject to forfeiture if his service with OBOOK HOLDINGS INC. ends before the relevant vesting date. Only shares that have already vested remain his if employment terminates.

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

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Accepted by SEC EDGAR 03/10/2026 - 12:00 AM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

HSIEH CHUNG HAN

(Last) (First) (Middle)

9F., NO. 28, WENCHENG RD., BEITOU DIST.,

(Street)

TAIPEI CITY F5 112

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/16/2025

3. Issuer Name and Ticker or Trading Symbol
OBOOK HOLDINGS INC. [ OWLS ]

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Technology 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 A Common Shares	200,000(1)	D
Class B Common Shares	10,000,000	D

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. Of the 200,000 Class A Common Shares reported herein, all represent restricted stock awards granted pursuant to the Issuer's 2021 Share Incentive Plan. 10,000 shares vested on August 8, 2025, and the remaining shares vest in installments as follows: 10,000 shares on August 8, 2026, 40,000 shares on August 8, 2027, 60,000 shares on August 8, 2028, and 80,000 shares on August 8, 2029, in each case subject to the Reporting Person's continued service with the Issuer. Unvested shares are subject to forfeiture if the Reporting Person's service terminates prior to the applicable vesting date.

	/s/ Hsieh Chung Han	03/10/2026
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.