SEC FORM 3

SEC FORM 3 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^*

Cao Zenghui

(Last)

(First)

(Middle)

8/F, QIHAO PLAZA, NO. 8

XINYUAN S. ROAD CHAOYANG DISTRICT

(Street)

BEIJING

100027

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/13/2026

3. Issuer Name and Ticker or Trading Symbol
WEIBO Corp [ WB ]

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

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		Senior Vice President

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)
ADS⁽¹⁾	101,705	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)
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)
Stock Option (Right to Buy)	03/16/2023	03/17/2029	Class A Ordinary Share	12,500	$21.15	D
Stock Option (Right to Buy)	09/16/2023	03/17/2029	Class A Ordinary Share	6,250	$21.15	D
Stock Option (Right to Buy)	03/16/2024	03/17/2029	Class A Ordinary Share	6,250	$21.15	D
Stock Option (Right to Buy)	09/16/2024	03/17/2029	Class A Ordinary Share	6,250	$21.15	D
Stock Option (Right to Buy)	03/16/2025	03/17/2029	Class A Ordinary Share	6,250	$21.15	D
Stock Option (Right to Buy)	09/16/2025	03/17/2029	Class A Ordinary Share	6,250	$21.15	D
Stock Option (Right to Buy)	03/16/2026	03/17/2029	Class A Ordinary Share	6,250	$21.15	D
Stock Option (Right to Buy)	08/14/2021	08/15/2027	Class A Ordinary Share	10,000	$32.68	D
Stock Option (Right to Buy)	02/14/2022	08/15/2027	Class A Ordinary Share	5,000	$32.68	D
Stock Option (Right to Buy)	08/14/2022	08/15/2027	Class A Ordinary Share	5,000	$32.68	D
Stock Option (Right to Buy)	02/14/2023	08/15/2027	Class A Ordinary Share	5,000	$32.68	D
Stock Option (Right to Buy)	08/14/2023	08/15/2027	Class A Ordinary Share	5,000	$32.68	D
Stock Option (Right to Buy)	02/14/2024	08/15/2027	Class A Ordinary Share	5,000	$32.68	D
Stock Option (Right to Buy)	08/14/2024	08/15/2027	Class A Ordinary Share	5,000	$32.68	D
Stock Option (Right to Buy)	07/06/2024	07/07/2030	Class A Ordinary Share	10,000	$3.87	D
Stock Option (Right to Buy)	01/06/2025	07/07/2030	Class A Ordinary Share	5,000	$3.87	D
Stock Option (Right to Buy)	07/06/2025	07/07/2030	Class A Ordinary Share	5,000	$3.87	D
Stock Option (Right to Buy)	01/06/2026	07/07/2030	Class A Ordinary Share	5,000	$3.87	D
Stock Option (Right to Buy)	07/06/2026	07/07/2030	Class A Ordinary Share	5,000	$3.87	D
Stock Option (Right to Buy)	01/06/2027	07/07/2030	Class A Ordinary Share	5,000	$3.87	D
Stock Option (Right to Buy)	07/06/2027	07/07/2030	Class A Ordinary Share	5,000	$3.87	D
Stock Option (Right to Buy)	10/31/2026	11/01/2032	Class A Ordinary Share	10,000	$2.93	D
Stock Option (Right to Buy)	04/30/2027	11/01/2032	Class A Ordinary Share	5,000	$2.93	D
Stock Option (Right to Buy)	10/31/2027	11/01/2032	Class A Ordinary Share	5,000	$2.93	D
Stock Option (Right to Buy)	04/30/2028	11/01/2032	Class A Ordinary Share	5,000	$2.93	D
Stock Option (Right to Buy)	10/31/2028	11/01/2032	Class A Ordinary Share	5,000	$2.93	D
Stock Option (Right to Buy)	04/30/2029	11/01/2032	Class A Ordinary Share	5,000	$2.93	D
Stock Option (Right to Buy)	10/31/2029	11/01/2032	Class A Ordinary Share	5,000	$2.93	D

Explanation of Responses:

1. Each American depositary share represents one Class A ordinary share.

	/s/ Cao Zenghui	03/13/2026
	** 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.

New insider Cao Zenghui claimed ownership of 101,705 units of ADS (SEC Form 3)