Name: Chuang Tzu-Sou: Insider Trading History
Creator: Tracefour
License: https://www.usa.gov/government-works
Keywords: Chuang Tzu-Sou, insider trading, SEC Form 4

Question 1

How many SEC Form 4 filings has Chuang Tzu-Sou made?

Accepted Answer

Chuang Tzu-Sou has filed 5 SEC Form 4 filings (6 transaction rows) across 1 company since 2026.

Question 2

Which companies does Chuang Tzu-Sou trade?

Accepted Answer

Chuang Tzu-Sou has filed SEC Form 4 disclosures for 1 company, including TSM.

Question 3

When was Chuang Tzu-Sou's most recent SEC Form 4 filing?

Accepted Answer

Chuang Tzu-Sou's most recent SEC Form 4 filing on Tracefour is dated Jul 9, 2026.

Question 4

What is Chuang Tzu-Sou's job title?

Accepted Answer

On the most recent SEC Form 4 filings tracked by Tracefour, Chuang Tzu-Sou is listed as VP.

Question 5

What is Chuang Tzu-Sou's total buy and sell value in the current window?

Accepted Answer

Inside the rolling retention window, Chuang Tzu-Sou bought $10K and sold $14.0M based on SEC Form 4 filings.

							Source
TSM	Chuang Tzu-Sou	VP	Purchase	45	$3K	Jul 9	SEC ↗
TSM	Chuang Tzu-Sou	VP	Purchase	46	$3K	Jun 9	SEC ↗
TSM	Chuang Tzu-Sou	VP	Sale	200,000	$14.0M	May 19	SEC ↗
TSM	Chuang Tzu-Sou	VP	Purchase	48	$3K	May 11	SEC ↗

Chuang Tzu-Sou

Companies traded