Tsai Joseph C

SEC Form 4 insider trading activity

Tsai Joseph C has filed 5 SEC Form 4 filings (7 transaction rows) across 1 company, with disclosures dating back to 2026. 5 of those filings fall inside the rolling window. Most recent filing: Oct 5, 2026.

On the most recent filing, Tsai Joseph C is listed as Director at Alibaba Group Holding Ltd. Inside the rolling window, Tsai Joseph C reported 2 open-market purchases totaling $20.7M in BABA and no open-market sales. The largest disclosed transaction in the window is a purchase of 720,000 BABA shares on Aug 25, 2026, worth $10.4M.

Companies traded

Other insiders at BABA

Insider Buying

$20.7M

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

1

in the rolling window

Source
BABAPurchase$10.4MAug 25SEC ↗
BABAPurchase$10.3MAug 24SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Tsai Joseph C made?

Tsai Joseph C has filed 5 SEC Form 4 filings (7 transaction rows) across 1 company since 2026.

Which companies does Tsai Joseph C trade?

Tsai Joseph C has filed SEC Form 4 disclosures for 1 company, including BABA.

When was Tsai Joseph C's most recent SEC Form 4 filing?

Tsai Joseph C's most recent SEC Form 4 filing on Tracefour is dated Oct 5, 2026.

What is Tsai Joseph C's total buy and sell value in the current window?

Inside the rolling retention window, Tsai Joseph C bought $20.7M and sold $0 based on SEC Form 4 filings.

What was Tsai Joseph C's largest disclosed transaction?

The largest disclosed transaction in the current window is a purchase of 720,000 BABA shares on 2026-08-25, worth $10.4M, per SEC Form 4 filings.