Insiders who reported open-market trades in the last 12 months at the companies Joseph C. Tsai files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
J. Michael Evans - $68.36M in BABA purchases and sales in the last 12 months
Fang Jiang - $12.39M in BABA purchases and sales in the last 12 months
Yongming Wu - $4.98M in BABA purchases and sales in the last 12 months
Hong Xu - $4.41M in BABA purchases and sales in the last 12 months
Siying Yu - $519K in BABA purchases and sales in the last 12 months
Fan (Fj) Jiang - $164K in BABA purchases and sales in the last 12 months
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Joseph C. Tsai is a corporate insider, tracked as Director of Alibaba Group Holding Ltd (BABA). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Joseph C. Tsai submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Joseph C. Tsai been buying or selling stock?
Recorded transactions: 2 open-market purchases ($20.71M) and 0 open-market sales across all tracked filings.
Joseph C. Tsai is Director of Alibaba Group Holding Ltd (BABA). 6 SEC Form 4 filings on record, most recently on 5 October 2026. Most recent open-market trade: bought $10.42M of BABA on 25 August 2026. Lifetime open-market purchases: $20.71M.
Recent transactions
7
The latest 7 SEC Form 4 transactions reported by Joseph C. Tsai.
InsiderAlpha's records for Joseph C. Tsai go back to 2026: 6 primary Form 4 filings, an average of 6.0 per year. The typical open-market purchase is $10.35M (2 buys totaling $20.71M). The largest single buy on record is $10.42M of BABA in 2026. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
