How many SEC Form 4 insider filings does TSM have?

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) has 100 SEC Form 4 filings (111 transaction rows) in the rolling 365-day window, disclosed by 31 distinct insiders. Most recent filing: Jul 16, 2026.

When was the most recent SEC Form 4 filing for TSM?

The most recent Form 4 filing for TSM on Tracefour is dated Jul 16, 2026.

Who is the most active insider at TSM?

The most active SEC Form 4 filer at TSM in the rolling window is VP Tien Bor-Zen, with 8 filings.

What is the net insider flow at TSM over the last 6 months?

Over the trailing 180 days, insiders at TSM have net sold $13.1M based on SEC Form 4 disclosures.

What is the total insider buy and sell value at TSM in the current window?

Inside the rolling window, insiders at TSM bought $827K and sold $14.0M based on SEC Form 4 filings.

TSM

Name: TSM Insider Trading Activity
Creator: Tracefour
License: https://www.usa.gov/government-works
Keywords: TSM, insider trading, SEC Form 4, insider transactions

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) has 100 SEC Form 4 filings (111 transaction rows) in the rolling window, disclosed by 31 distinct insiders. Most recent filing: Jul 16, 2026.

The most active filer is VP Tien Bor-Zen with 8 filings. Insiders have net sold $13.1M over the trailing 6 months.

Industry:Semiconductors
CEO:C. C. Wei
Employees:65,152
HQ:Hsinchu City, TW
IPO:1997-10-09

Insider Buying

$827K

reported purchases (SEC code P)

Insider Selling

$14.0M

reported sales (SEC code S)

Unique Insiders

in the rolling window

Market Cap

$10.63T

latest known value

Earnings: last 7 quarters

EstimatedActual

						Source
Chen Chih-Ho	Controller	Purchase	50	$4K	Jul 16	SEC ↗
Chen Chih-Ho	Controller	Sale	50	$4K	Jul 16	SEC ↗
Wang Ying-Lang	SVP	Purchase	53	$4K	Jul 9	SEC ↗
Jang Syun-Ming	VP	Purchase	47	$4K	Jul 9	SEC ↗
Wu Shien-Yang	SVP	Purchase	54	$4K	Jul 9	SEC ↗
Ku Yao-Ching	VP	Purchase	46	$4K	Jul 9	SEC ↗
Chuang Juiping	VP	Purchase	47	$4K	Jul 9	SEC ↗
Lin Chris Horng-Dar	VP and CIO	Purchase	46	$4K	Jul 9	SEC ↗
Chang Tzonz-Sheng	SVP	Purchase	52	$4K	Jul 9	SEC ↗
Wei Che-Chia	Chairman and CEO	Purchase	146	$11K	Jul 9	SEC ↗
Lee Chun-Hsien	SVP	Purchase	50	$4K	Jul 9	SEC ↗
Chen Pei-Hung	VP	Purchase	44	$3K	Jul 9	SEC ↗
Tien Bor-Zen	VP	Purchase	46	$4K	Jul 9	SEC ↗
Wu Yi-Huang	VP	Purchase	39	$3K	Jul 9	SEC ↗
Hou Yung-Chin	SVP and Deputy Co-COO	Purchase	61	$5K	Jul 9	SEC ↗
Yuan Lipen	VP	Purchase	40	$3K	Jul 9	SEC ↗
Chin Yung-Pei	EVP and Co-COO	Purchase	69	$5K	Jul 9	SEC ↗
Zhang Kevin Xiaoqiang	SVP and Deputy Co-COO	Purchase	61	$5K	Jul 9	SEC ↗
Hsu Kuo-Chin	VP	Purchase	52	$4K	Jul 9	SEC ↗
Chen Chih-Ho	Controller	Purchase	31	$2K	Jul 9	SEC ↗
Liaw Yung-Haw	VP	Purchase	48	$4K	Jul 9	SEC ↗
Fang Shu-Hua	SVP and GC	Purchase	54	$4K	Jul 9	SEC ↗
Mii Yuh-Jier	EVP and Co-COO	Purchase	68	$5K	Jul 9	SEC ↗
Yeap Choh Fei	SVP	Purchase	53	$4K	Jul 9	SEC ↗
He Jun	VP	Purchase	45	$3K	Jul 9	SEC ↗
Huang Jen-Chau	SVP and CFO	Purchase	28	$2K	Jul 9	SEC ↗
Lu Chin-Sheng	VP	Purchase	37	$3K	Jul 9	SEC ↗
Chuang Tzu-Sou	VP	Purchase	45	$3K	Jul 9	SEC ↗
Cao Min	VP	Purchase	54	$4K	Jul 9	SEC ↗
Lu Lee-Chung	VP	Purchase	49	$4K	Jul 9	SEC ↗
Lin Shyue-Shyh	VP	Purchase	44	$3K	Jul 9	SEC ↗
Yoo Chue-San	VP	Purchase	51	$4K	Jul 9	SEC ↗
Hwang Yuan-Ko	VP	Purchase	40	$3K	Jul 9	SEC ↗
Tien Bor-Zen	VP	Purchase	1,000	$77K	Jun 30	SEC ↗
Tien Bor-Zen	VP	Purchase	1,000	$76K	Jun 30	SEC ↗
Yuan Lipen	VP	Purchase	1,000	$79K	Jun 23	SEC ↗
Yuan Lipen	VP	Purchase	1,000	$75K	Jun 16	SEC ↗
Zhang Kevin Xiaoqiang	SVP and Deputy Co-COO	Purchase	62	$5K	Jun 9	SEC ↗
Wu Yi-HuangFirst filing	VP	Purchase	40	$3K	Jun 9	SEC ↗
Yuan Lipen	VP	Purchase	42	$3K	Jun 9	SEC ↗
Yeap Choh Fei	SVP	Purchase	55	$4K	Jun 9	SEC ↗
Yoo Chue-San	VP	Purchase	53	$4K	Jun 9	SEC ↗
Wang Ying-Lang	SVP	Purchase	56	$4K	Jun 9	SEC ↗
Mii Yuh-Jier	EVP and Co-COO	Purchase	72	$5K	Jun 9	SEC ↗
Wei Che-Chia	Chairman and CEO	Purchase	150	$11K	Jun 9	SEC ↗
Wu Shien-Yang	SVP	Purchase	57	$4K	Jun 9	SEC ↗
Tien Bor-Zen	VP	Purchase	50	$4K	Jun 9	SEC ↗
Lin Chris Horng-Dar	VP and CIO	Purchase	48	$4K	Jun 9	SEC ↗
Lu Lee-Chung	VP	Purchase	52	$4K	Jun 9	SEC ↗
Lu Chin-ShengFirst filing	VP	Purchase	37	$3K	Jun 9	SEC ↗
Liaw Yung-Haw	VP	Purchase	48	$4K	Jun 9	SEC ↗
Lee Chun-Hsien	SVP	Purchase	51	$4K	Jun 9	SEC ↗
Lin Shyue-Shyh	VP	Purchase	46	$3K	Jun 9	SEC ↗
Hwang Yuan-Ko	VP	Purchase	40	$3K	Jun 9	SEC ↗
Ku Yao-ChingFirst filing	VP	Purchase	48	$4K	Jun 9	SEC ↗
Hsu Kuo-Chin	VP	Purchase	53	$4K	Jun 9	SEC ↗
Huang Jen-Chau	SVP and CFO	Purchase	30	$2K	Jun 9	SEC ↗
Jang Syun-Ming	VP	Purchase	49	$4K	Jun 9	SEC ↗
Fang Shu-Hua	SVP and GC	Purchase	55	$4K	Jun 9	SEC ↗
Hou Yung-Chin	SVP and Deputy Co-COO	Purchase	62	$5K	Jun 9	SEC ↗
Chuang Juiping	VP	Purchase	50	$4K	Jun 9	SEC ↗
Chuang Tzu-Sou	VP	Purchase	46	$3K	Jun 9	SEC ↗
He Jun	VP	Purchase	46	$3K	Jun 9	SEC ↗
Chen Pei-Hung	VP	Purchase	46	$3K	Jun 9	SEC ↗
Chen Chih-Ho	Controller	Purchase	32	$2K	Jun 9	SEC ↗
Chang Tzonz-Sheng	SVP	Purchase	53	$4K	Jun 9	SEC ↗
Cao Min	VP	Purchase	54	$4K	Jun 9	SEC ↗
Chin Yung-Pei	EVP and Co-COO	Purchase	71	$5K	Jun 9	SEC ↗
Tien Bor-Zen	VP	Purchase	2,010	$144K	May 21	SEC ↗
Tien Bor-Zen	VP	Purchase	7	$3K	May 21	SEC ↗
Chuang Tzu-Sou	VP	Sale	200,000	$14.0M	May 19	SEC ↗
Zhang Kevin XiaoqiangFirst filing	SVP and Deputy Co-COO	Purchase	66	$5K	May 11	SEC ↗
Yuan LipenFirst filing	VP	Purchase	44	$3K	May 11	SEC ↗
Yoo Chue-SanFirst filing	VP	Purchase	55	$4K	May 11	SEC ↗
Wei Che-ChiaFirst filing	Chairman and CEO	Purchase	160	$11K	May 11	SEC ↗
Yeap Choh FeiFirst filing	SVP	Purchase	59	$4K	May 11	SEC ↗
Tien Bor-Zen	VP	Purchase	51	$4K	May 11	SEC ↗
Wu Shien-YangFirst filing	SVP	Purchase	60	$4K	May 11	SEC ↗
Wang Ying-LangFirst filing	SVP	Purchase	57	$4K	May 11	SEC ↗
Liaw Yung-HawFirst filing	VP	Purchase	53	$4K	May 11	SEC ↗
Lin Chris Horng-DarFirst filing	VP and CIO	Purchase	49	$4K	May 11	SEC ↗
Lin Shyue-ShyhFirst filing	VP	Purchase	48	$3K	May 11	SEC ↗
Lu Lee-ChungFirst filing	VP	Purchase	54	$4K	May 11	SEC ↗
Mii Yuh-JierFirst filing	EVP and Co-COO	Purchase	75	$5K	May 11	SEC ↗
Huang Jen-ChauFirst filing	SVP and CFO	Purchase	30	$2K	May 11	SEC ↗
Hsu Kuo-ChinFirst filing	VP	Purchase	56	$4K	May 11	SEC ↗
Lee Chun-HsienFirst filing	VP	Purchase	53	$4K	May 11	SEC ↗
Hwang Yuan-KoFirst filing	VP	Purchase	42	$3K	May 11	SEC ↗
Jang Syun-MingFirst filing	VP	Purchase	52	$4K	May 11	SEC ↗
Hou Yung-ChinFirst filing	SVP and Deputy Co-COO	Purchase	66	$5K	May 11	SEC ↗
Fang Shu-HuaFirst filing	SVP and GC	Purchase	59	$4K	May 11	SEC ↗
Chuang Tzu-SouFirst filing	VP	Purchase	48	$3K	May 11	SEC ↗
Chuang JuipingFirst filing	VP	Purchase	51	$4K	May 11	SEC ↗
He JunFirst filing	VP	Purchase	49	$4K	May 11	SEC ↗
Chang Tzonz-ShengFirst filing	SVP	Purchase	56	$4K	May 11	SEC ↗
Cao MinFirst filing	VP	Purchase	59	$4K	May 11	SEC ↗
Chen Pei-HungFirst filing	VP	Purchase	49	$4K	May 11	SEC ↗
Chin Yung-PeiFirst filing	EVP and Co-COO	Purchase	75	$5K	May 11	SEC ↗
Chen Chih-HoFirst filing	Controller	Purchase	34	$2K	May 11	SEC ↗
Tien Bor-ZenFirst filing	VP	Purchase	15	$6K	Apr 29	SEC ↗

Congress trading TSM

See timeline →

RRep. Michael McCaulPurchase$15,001 - $50,0002026-06-18
·Rep. Richard W. AllenPurchase$1,001 - $15,0002026-05-08

STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.

Reddit mentions

See all →

TSM is the #20 most-discussed ticker across finance subreddits, with 45 mentions in the last 24 hours, -139 vs the day before, hottest in r/WallStreetBets.

Mention counts are conversation volume, not a quality signal. Not investment advice.

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TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD is in the Technology sector.