SEC FORM 3

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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

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1. Name and Address of Reporting Person^*

Dunde Yu

(Last)

(First)

(Middle)

12TH FLOOR, BUILDING 6-A, JUHUIYUAN

(Street)

NANJING

210023

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/12/2026

3. Issuer Name and Ticker or Trading Symbol
Tuniu Corp [ TOUR ]

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

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Executive 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 ordinary share	3,704,135	I	By Dragon Rabbit Capital Limited⁽¹⁾
Class B ordinary share	10,423,503	I	By Dragon Rabbit Capital Limited⁽¹⁾

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Option (Right to Buy)	11/04/2013	11/04/2029	Class A Ordinary Share	630,814	$0.1	I	By Dragon Rabbit Capital Limited⁽¹⁾
Option (Right to Buy)	03/10/2015	03/10/2031	Class A Ordinary Share	1,100,000	$0.226	I	By Dragon Rabbit Capital Limited⁽¹⁾
Option (Right to Buy)	07/31/2017	07/31/2029	Class A Ordinary Share	1,269,995	$0.0001	I	By Dragon Rabbit Capital Limited⁽¹⁾
Option (Right to Buy)	06/12/2018	06/12/2026	Class A Ordinary Share	900,000	$3	I	By Dragon Rabbit Capital Limited⁽¹⁾
Option (Right to Buy)	03/05/2019	03/05/2027	Class A Ordinary Share	760,000	$3.09	I	By Dragon Rabbit Capital Limited⁽¹⁾
Option (Right to Buy)	08/19/2019	08/19/2026	Class A Ordinary Share	1,981,000	$3.09	I	By Dragon Rabbit Capital Limited⁽¹⁾
Option (Right to Buy)	12/01/2020	12/01/2026	Class A Ordinary Share	1,420,000	$2.683	I	By Dragon Rabbit Capital Limited⁽¹⁾
Option (Right to Buy)	08/31/2017	12/31/2026	Class A Ordinary Share	17,256	$0.0001	I	By Dragon Rabbit Capital Limited⁽¹⁾
Option (Right to Buy)	05/08/2022	05/07/2028	Class A Ordinary Share	3	$1.67	I	By Dragon Rabbit Capital Limited⁽¹⁾
Option (Right to Buy)	06/01/2019	01/29/2029	Class A Ordinary Share	12,564	$0.0033	I	By Dragon Rabbit Capital Limited⁽¹⁾
Option (Right to Buy)	⁽²⁾	08/09/2032	Class A Ordinary Share	6,681,434	$0.333	I	By Dragon Rabbit Capital Limited⁽¹⁾
Option (Right to Buy)	04/05/2024	04/05/2033	Class A Ordinary Share	7,427,971	$0.623	I	By Dragon Rabbit Capital Limited⁽¹⁾

Explanation of Responses:

1. Dragon Rabbit Capital Limited is wholly owned by Longtu Holdings Limited, a British Virgin Islands company which is wholly owned by a trust, of which Mr. Yu's family is the beneficiary.

2. Represents options to purchase 6,681,434 Class A ordinary shares granted on August 10, 2022. The options vest as follows: 1/4 of the options vest on August 9, 2023, and the remaining 3/4 of the options vest in equal monthly installments of 1/48 of the options on the 9th day of each month thereafter over the next 36 months, subject to the reporting person's continued service through the applicable vesting date.

	/s/ Dunde Yu	03/12/2026
	** 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.