Cao Zenghui - 13 Mar 2026 Form 3 Insider Report for WEIBO Corp (WB)

Source evidence Original filing metadata and source links for verification. 3 source fields
SEC form
3
Accepted by SEC
13 Mar 2026, 06:37:16 UTC
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Cao Zenghui

Key filing fact

Cao Zenghui filed Form 3 for WEIBO Corp (WB) on 13 Mar 2026.

Key facts

  • This page summarizes Cao Zenghui's Form 3 filing for WEIBO Corp (WB).
  • 0 reported transactions and 28 derivative rows are listed below.
  • Accepted by SEC: 13 Mar 2026, 06:37.

Change

  • No earlier filing in this sequence is available for direct comparison.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001970118 Primary reporting owner

Cao Zenghui

Relationship
Senior Vice President
Address
8/F, QIHAO PLAZA, NO. 8, XINYUAN S. ROAD CHAOYANG DISTRICT, BEIJING, CHINA
Signature
/s/ Cao Zenghui
Signature date
13 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WB holding

ADS

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
101,705
Date
13 Mar 2026
Ownership
Direct
Footnotes
F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
12,500
Exercise price
$21.15
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
6,250
Exercise price
$21.15
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
6,250
Exercise price
$21.15
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
6,250
Exercise price
$21.15
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
6,250
Exercise price
$21.15
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
6,250
Exercise price
$21.15
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
6,250
Exercise price
$21.15
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
10,000
Exercise price
$32.68
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$32.68
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$32.68
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$32.68
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$32.68
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$32.68
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$32.68
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
10,000
Exercise price
$3.87
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$3.87
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$3.87
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$3.87
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$3.87
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$3.87
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$3.87
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
10,000
Exercise price
$2.93
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$2.93
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$2.93
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$2.93
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$2.93
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$2.93
WB holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
13 Mar 2026
Ownership
Direct
Underlying class
Class A Ordinary Share
Underlying amount
5,000
Exercise price
$2.93
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Each American depositary share represents one Class A ordinary share.

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