Reporting owner · Q3 2026 · CIK 1633999

Tsai Joseph C: insider trades.

Tsai Joseph C reported 4 non-derivative transactions on 3 SEC ownership filings in Q3 2026: 2 open-market purchases ($20.7M) and 0 sales, across 1 company.

Transactions
4
Purchases (P)
2
Sales (S)
0
Companies
1
Name as filed
Tsai Joseph C

Companies

CompanyRelationshipTransactions
Alibaba Group Holding Ltd (BABA)Director4

Transactions

4 non-derivative rows. Shares and prices as filed.
DateCompanyCodeSharesPriceOwned afterFiling
2026-08-25Alibaba Group Holding LtdP720,000$14.47114,979,168Form 4
2026-08-24Alibaba Group Holding LtdP720,000$14.29114,259,168Form 4
2026-07-01Alibaba Group Holding LtdM3,333—817,738Form 4
2026-07-01Alibaba Group Holding LtdM7,500—825,238Form 4

Questions

What stock did Tsai Joseph C buy or sell?

Tsai Joseph C reported 4 non-derivative transactions on 3 SEC ownership filings in Q3 2026: 2 open-market purchases ($20.7M) and 0 sales, across 1 company.

Is Tsai Joseph C the same person as other filers with this name?

This page covers SEC CIK 1633999 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.

Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.

Plain-text version for agents and LLMs: /insiders/tsai-joseph-c-1633999.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.