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About WEIBO Corp (WB)
WEIBO Corp is an SEC registrant, filing under CIK 0001595761, classified as computer programming, data processing, etc. We track it alongside the rest of the Information Technology sector.
WB Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Option exercise | 2 | 12,500 | |
| Tax withholding / forfeiture | 1 | 3,105 | |
| Derivative transaction | 1 | 31,200 | |
WB insider transactions (Form 4)
137 Form 4 filings on record, the earliest from May 19, 2026, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Yan Wang - Director | Derivative | ADS | 31,200 | $7.10 | $222K | |
| Yan Wang - Director | Option exercise | ADS | 6,250 | $0.00 | - | |
| Yan Wang - Director | Other | Restricted Share | 6,250 | $0.00 | - | |
| Hong Du - Director | Option exercise | ADS | 6,250 | $0.00 | - | |
| Hong Du - Director | Tax withholding / forfeiture | ADS | 3,105 | $7.67 | $24K | |
| Hong Du - Director | Other | Restricted Share | 6,250 | $0.00 | - | |
 Gaofei Wang - Officer | Other | ADS | 374,791 | $0.00 | - | |
| Gaofei Wang - Officer | Other | ADS | 374,791 | $0.00 | - | |
| Gaofei Wang - Officer | Other | ADS | 374,791 | $0.00 | - | |
| Pehong Chen - Director | Option exercise | ADS | 6,250 | $0.00 | - | |
| Pehong Chen - Director | Option exercise | Restricted Share | 6,250 | $0.00 | - | |
 Pochin Christopher Lu - Director | Option exercise | ADS | 6,250 | $0.00 | - | |
| Pochin Christopher Lu - Director | Option exercise | Restricted Share | 6,250 | $0.00 | - |
Recent WB Form 144 notices of proposed sale
1An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| WANG YAN | Director | 31,200 | $218K | View on EDGAR |
WB insider trading FAQ
What is the latest insider trade for WB?
WEIBO Corp (WB) had 4 insider filings in the last 90 days, with the most recent on 2026-08-28. The full record for WB runs to 7 Form 4 filings, the earliest from 2026-05-19. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying WB stock?
No insider purchases of WB were filed in the last 90 days.
How many insiders are selling WB stock?
No insider sales of WB were filed in the last 90 days.
Where can I see WB SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects WB Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
7The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Yan Wang view on EDGAR
- - Yan Wang view on EDGAR
- - Hong Du view on EDGAR
- - Gaofei Wang view on EDGAR
- - Gaofei Wang view on EDGAR
- - Pehong Chen view on EDGAR
- - Pochin Christopher Lu view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where WB's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow WB with a 7-day demo
- WB on your watchlist
- Every WB Form 4 filing on record
- Up to 3 months of WB price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
