Weibo (NASDAQ: WB) director Chao details options and share stakes

Rhea-AI Filing Summary

WEIBO Corp director Charles Guowei Chao filed an initial ownership report showing a mix of options and equity in the company. He holds stock options over Class A ordinary shares at exercise prices of $21.1500 and $2.6900, with expirations through 2032-03-12. The filing also shows direct holdings of 545,510 American depositary shares, each representing one Class A ordinary share, and an indirect position of 87,822,024 Class B ordinary shares held by SINA Corporation.

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^*

CHAO CHARLES GUOWEI

(Last) (First) (Middle)

8/F, QIHAO PLAZA, NO. 8

XINYUAN S. ROAD CHAOYANG DISTRICT

(Street)

BEIJING F4 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)

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

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)	545,510	D
Class B ordinary share	87,822,024	I	by SINA Corporation

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
Stock Option (Right to Buy)	03/16/2023	03/17/2029	Class A Ordinary Share	75,000	$21.15	D
Stock Option (Right to Buy)	09/16/2023	03/17/2029	Class A Ordinary Share	37,500	$21.15	D
Stock Option (Right to Buy)	03/16/2024	03/17/2029	Class A Ordinary Share	37,500	$21.15	D
Stock Option (Right to Buy)	09/16/2024	03/17/2029	Class A Ordinary Share	37,500	$21.15	D
Stock Option (Right to Buy)	03/16/2025	03/17/2029	Class A Ordinary Share	37,500	$21.15	D
Stock Option (Right to Buy)	09/16/2025	03/17/2029	Class A Ordinary Share	37,500	$21.15	D
Stock Option (Right to Buy)	03/16/2026	03/17/2029	Class A Ordinary Share	37,500	$21.15	D
Stock Option (Right to Buy)	03/12/2026	03/12/2032	Class A Ordinary Share	75,000	$2.69	D
Stock Option (Right to Buy)	09/12/2026	03/12/2032	Class A Ordinary Share	37,500	$2.69	D
Stock Option (Right to Buy)	03/12/2027	03/12/2032	Class A Ordinary Share	37,500	$2.69	D
Stock Option (Right to Buy)	09/12/2027	03/12/2032	Class A Ordinary Share	37,500	$2.69	D
Stock Option (Right to Buy)	03/12/2028	03/12/2032	Class A Ordinary Share	37,500	$2.69	D
Stock Option (Right to Buy)	09/12/2028	03/12/2032	Class A Ordinary Share	37,500	$2.69	D
Stock Option (Right to Buy)	03/12/2029	03/12/2032	Class A Ordinary Share	37,500	$2.69	D

Explanation of Responses:

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

	/s/ Chao Charles Guowei	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.
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FAQ

What insider holdings did Charles Guowei Chao report in Weibo (WB)?

Charles Guowei Chao reported a combination of options and equity in Weibo. His filing lists stock options over Class A ordinary shares, direct holdings of 545,510 ADS, and an indirect interest in 87,822,024 Class B ordinary shares held by SINA Corporation.

What stock options does Charles Guowei Chao hold in Weibo (WB)?

Chao holds stock options described as rights to buy Class A ordinary shares. The options include tranches with exercise prices of $21.1500 and $2.6900 per share, with expiration dates extending to March 17, 2029 and March 12, 2032 respectively.

How many Weibo (WB) ADS does Charles Guowei Chao directly own?

The filing shows Chao directly holding 545,510 American depositary shares of Weibo. A footnote states that each ADS represents one Class A ordinary share, so this ADS position corresponds to 545,510 underlying Class A ordinary shares on a one-for-one basis.

What is the nature of Charles Guowei Chao’s indirect Class B shares in Weibo (WB)?

Chao’s Form 3 reports 87,822,024 Class B ordinary shares as indirectly held "by SINA Corporation." This means the shares are recorded as held through SINA Corporation rather than directly in his own name, reflecting an indirect beneficial ownership structure.

Does Charles Guowei Chao’s Form 3 show recent buying or selling of Weibo (WB) shares?

The Form 3 presents Chao’s existing positions at the time he became a reporting insider, not new trades. All entries are classified as holdings, with no open-market purchase or sale transactions or option exercises reported in this data excerpt.