TSM
insider transactionsTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Cluster buy signal: Multiple insiders at the same company buying around the same time — often a stronger signal than a single buy. 31 different insiders made open-market purchases in the last 365 days, totalling $966.5K.
Net shares · 365d
-184.8K
15.2K buy · 200.0K sell
Net value · 365d
-$13.0M
$966.5K in · $14.0M out
Sentiment · 365d
Net selling
6% buying · 94% selling
Open-market trades · 365d
102
15.2K buy · 200.0K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Buy·P
VP
$75.3K
1.0K sh · $75.26
Own +33%
-
Other·G
$0
500.0K sh
Own -20%
-
Buy·P
SVP and Deputy Co-COO
$4.7K
62 sh · $76.01
Own +1%
-
Buy·P
VP
$3.0K
40 sh · $76.01
Own New
-
Buy·P
VP
$3.2K
42 sh · $76.01
Own +4%
-
Buy·P
SVP
$4.2K
55 sh · $76.01
Own +1%
-
Buy·P
VP
$4.0K
53 sh · $76.01
Own +1%
-
Buy·P
SVP
$4.3K
56 sh · $76.01
Own +1%
-
Buy·P
Che-Chia Wei KEY
Chairman and CEO
$11.4K
150 sh · $76.01
Own +1%
-
Buy·P
SVP
$4.3K
57 sh · $76.01
Own +1%
-
Buy·P
VP
$532
7 sh · $76.01
Own +12%
-
Buy·P
VP
$3.3K
43 sh · $76.01
Own +30%
-
Buy·P
EVP and Co-COO
$5.5K
72 sh · $76.01
Own +1%
-
Buy·P
VP
$4.0K
52 sh · $76.01
Own +1%
-
Buy·P
$2.8K
37 sh · $76.01
Own New
-
Buy·P
$3.5K
46 sh · $76.01
Own +29%
-
Buy·P
VP and CIO
$3.6K
48 sh · $76.01
Own +1%
-
Buy·P
$3.6K
48 sh · $76.01
Own +1%
-
Buy·P
SVP
$3.9K
51 sh · $76.01
Own +1%
-
Buy·P
VP
$3.6K
48 sh · $76.01
Own New
-
Buy·P
$3.7K
49 sh · $76.01
Own +1%
-
Buy·P
$3.0K
40 sh · $76.01
Own +29%
-
Buy·P
Jen-Chau Huang KEY
SVP and CFO
$2.3K
30 sh · $76.01
Own +1%
-
Buy·P
VP
$4.0K
53 sh · $76.01
Own +1%
-
Buy·P
SVP and Deputy Co-COO
$4.7K
62 sh · $76.01
Own +1%
-
Buy·P
VP
$3.5K
46 sh · $76.01
Own +1%
-
Buy·P
SVP and GC
$4.2K
55 sh · $76.01
Own +1%
-
Buy·P
$3.5K
46 sh · $76.01
Own +1%
-
Buy·P
$3.8K
50 sh · $76.01
Own +1%
-
Buy·P
EVP and Co-COO
$5.4K
71 sh · $76.01
Own +1%
-
Buy·P
$3.5K
46 sh · $76.01
Own +4%
-
Buy·P
Controller
$2.4K
32 sh · $76.01
Own +43%
-
Buy·P
$4.0K
53 sh · $76.01
Own +1%
-
Buy·P
VP
$4.1K
54 sh · $76.01
Own +1%
-
Other·H
EVP and Co-COO
—
150.0K sh
-
Buy·P
VP
$2.8K
7 sh · $400.00
Own +7%
-
Buy·P
VP
$69.8K
1.0K sh · $69.83
Own +10%
-
Buy·P
VP
$70.0K
1.0K sh · $69.98
Own +11%
-
Sell·S
$14.0M
200.0K sh · $69.83
Own -7%
-
Buy·P
VP
$3.9K
10 sh · $391.81
Own +11%
-
Buy·P
SVP and Deputy Co-COO
$4.7K
66 sh · $71.82
Own +1%
-
Buy·P
VP
$3.2K
44 sh · $71.82
Own +4%
-
Buy·P
VP
$4.0K
55 sh · $71.82
Own +1%
-
Buy·P
Che-Chia Wei KEY
Chairman and CEO
$11.5K
160 sh · $71.82
Own +1%
-
Buy·P
SVP
$4.2K
59 sh · $71.82
Own +1%
-
Buy·P
VP
$503
7 sh · $71.82
Own +13%
-
Buy·P
VP
$3.2K
44 sh · $71.82
Own +44%
-
Buy·P
SVP
$4.3K
60 sh · $71.82
Own +1%
-
Buy·P
SVP
$4.1K
57 sh · $71.82
Own +1%
-
Buy·P
EVP and Co-COO
$5.4K
75 sh · $71.82
Own +1%
-
Buy·P
VP
$3.9K
54 sh · $71.82
Own +1%
-
Buy·P
$3.4K
48 sh · $71.82
Own +43%
-
Buy·P
VP and CIO
$3.5K
49 sh · $71.82
Own +1%
-
Buy·P
$3.8K
53 sh · $71.82
Own +1%
-
Buy·P
$3.8K
53 sh · $71.82
Own +1%
-
Buy·P
$3.7K
52 sh · $71.82
Own +1%
-
Buy·P
$3.0K
42 sh · $71.82
Own +43%
-
Buy·P
Jen-Chau Huang KEY
SVP and CFO
$2.2K
30 sh · $71.82
Own +1%
-
Buy·P
VP
$4.0K
56 sh · $71.82
Own +1%
-
Buy·P
SVP and Deputy Co-COO
$4.7K
66 sh · $71.82
Own +1%
-
Buy·P
VP
$3.5K
49 sh · $71.82
Own +1%
-
Buy·P
SVP and GC
$4.2K
59 sh · $71.82
Own +1%
-
Buy·P
$3.4K
48 sh · $71.82
Own +1%
-
Buy·P
$3.7K
51 sh · $71.82
Own +1%
-
Buy·P
EVP and Co-COO
$5.4K
75 sh · $71.82
Own +1%
-
Buy·P
$3.5K
49 sh · $71.82
Own +4%
-
Buy·P
Controller
$2.4K
34 sh · $71.82
Own +85%
-
Buy·P
$4.0K
56 sh · $71.82
Own +1%
-
Buy·P
VP
$4.2K
59 sh · $71.82
Own +1%
-
Buy·P
VP
$1.9K
5 sh · $390.00
Own +6%
-
Buy·P
VP
$3.9K
10 sh · $386.00
Own +14%
-
Other·H
VP
—
20.0K sh
-
Buy·P
VP
$3.8K
65 sh · $57.87
Own +1%
-
Buy·P
VP
$3.0K
52 sh · $57.87
Own +5%
-
Buy·P
SVP and Deputy Co-COO
$4.6K
79 sh · $57.87
Own +1%
-
Buy·P
VP
$521
9 sh · $57.87
Own +20%
-
Buy·P
VP
$3.1K
53 sh · $57.87
Own +110%
-
Buy·P
SVP
$4.0K
69 sh · $57.87
Own +1%
-
Buy·P
SVP
$3.9K
68 sh · $57.87
Own +1%
-
Buy·P
SVP
$4.1K
71 sh · $57.87
Own +1%
-
Buy·P
Che-Chia Wei KEY
Chairman and CEO
$10.8K
186 sh · $57.87
Own +1%
-
Buy·P
EVP and Co-COO
$5.1K
88 sh · $57.87
Own +1%
-
Buy·P
VP
$3.8K
65 sh · $57.87
Own +1%
-
Buy·P
$3.4K
58 sh · $57.87
Own +109%
-
Buy·P
VP and CIO
$3.5K
60 sh · $57.87
Own +1%
-
Buy·P
$3.5K
61 sh · $57.87
Own +1%
-
Buy·P
$3.6K
63 sh · $57.87
Own +1%
-
Buy·P
$3.6K
62 sh · $57.87
Own +1%
-
Buy·P
$3.0K
51 sh · $57.87
Own +111%
-
Buy·P
Jen-Chau Huang KEY
SVP and CFO
$2.1K
37 sh · $57.87
Own +1%
-
Buy·P
VP
$3.8K
66 sh · $57.87
Own +1%
-
Buy·P
SVP and Deputy Co-COO
$4.5K
78 sh · $57.87
Own +1%
-
Buy·P
VP
$3.4K
58 sh · $57.87
Own +1%
-
Buy·P
SVP and GC
$4.1K
70 sh · $57.87
Own +1%
-
Buy·P
$3.4K
58 sh · $57.87
Own +1%
-
Buy·P
$3.6K
62 sh · $57.87
Own +2%
-
Buy·P
EVP and Co-COO
$5.2K
89 sh · $57.87
Own +1%
-
Buy·P
$3.3K
57 sh · $57.87
Own +5%
-
Buy·P
Controller
$2.3K
40 sh · $57.87
Own New
-
Buy·P
$3.9K
67 sh · $57.87
Own +1%
-
Buy·P
VP
$3.8K
66 sh · $57.87
Own +1%
-
Buy·P
$164.2K
3.0K sh · $54.72
Own +13%
-
Buy·P
$111.3K
2.0K sh · $55.63
Own +9%
-
Buy·P
VP
$55.9K
1.0K sh · $55.93
Own +12%
-
Buy·P
SVP
$55.8K
1.0K sh · $55.78
Own +0%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 15, 2026 | Lipen Yuan | Buy P | 1.0K | $75.3K |
| Jun 8, 2026 | Tzu-Sou Chuang | Other G | 500.0K | $0 |
| Jun 5, 2026 | Kevin Xiaoqiang Zhang | Buy P | 62 | $4.7K |
| Jun 5, 2026 | Yi-Huang Wu | Buy P | 40 | $3.0K |
| Jun 5, 2026 | Lipen Yuan | Buy P | 42 | $3.2K |
| Jun 5, 2026 | Choh Fei Yeap | Buy P | 55 | $4.2K |
| Jun 5, 2026 | Chue-San Yoo | Buy P | 53 | $4.0K |
| Jun 5, 2026 | Ying-Lang Wang | Buy P | 56 | $4.3K |
| Jun 5, 2026 | Che-Chia Wei KEY | Buy P | 150 | $11.4K |
| Jun 5, 2026 | Shien-Yang Wu | Buy P | 57 | $4.3K |
| Jun 5, 2026 | Bor-Zen Tien | Buy P | 7 | $532 |
| Jun 5, 2026 | Bor-Zen Tien | Buy P | 43 | $3.3K |
| Jun 5, 2026 | Yuh-Jier Mii | Buy P | 72 | $5.5K |
| Jun 5, 2026 | Lee-Chung Lu | Buy P | 52 | $4.0K |
| Jun 5, 2026 | Chin-Sheng Lu | Buy P | 37 | $2.8K |
| Jun 5, 2026 | Shyue-Shyh Lin | Buy P | 46 | $3.5K |
| Jun 5, 2026 | Chris Horng-Dar Lin | Buy P | 48 | $3.6K |
| Jun 5, 2026 | Yung-Haw Liaw | Buy P | 48 | $3.6K |
| Jun 5, 2026 | Chun-Hsien Lee | Buy P | 51 | $3.9K |
| Jun 5, 2026 | Yao-Ching Ku | Buy P | 48 | $3.6K |
| Jun 5, 2026 | Syun-Ming Jang | Buy P | 49 | $3.7K |
| Jun 5, 2026 | Yuan-Ko Hwang | Buy P | 40 | $3.0K |
| Jun 5, 2026 | Jen-Chau Huang KEY | Buy P | 30 | $2.3K |
| Jun 5, 2026 | Kuo-Chin Hsu | Buy P | 53 | $4.0K |
| Jun 5, 2026 | Yung-Chin Hou | Buy P | 62 | $4.7K |
| Jun 5, 2026 | Jun He | Buy P | 46 | $3.5K |
| Jun 5, 2026 | Shu-Hua Fang | Buy P | 55 | $4.2K |
| Jun 5, 2026 | Tzu-Sou Chuang | Buy P | 46 | $3.5K |
| Jun 5, 2026 | Juiping Chuang | Buy P | 50 | $3.8K |
| Jun 5, 2026 | Yung-Pei Chin | Buy P | 71 | $5.4K |
| Jun 5, 2026 | Pei-Hung Chen | Buy P | 46 | $3.5K |
| Jun 5, 2026 | Chih-Ho Chen | Buy P | 32 | $2.4K |
| Jun 5, 2026 | Tzonz-Sheng Chang | Buy P | 53 | $4.0K |
| Jun 5, 2026 | Min Cao | Buy P | 54 | $4.1K |
| May 22, 2026 | Yuh-Jier Mii | Other H | 150.0K | — |
| May 20, 2026 | Bor-Zen Tien | Buy P | 7 | $2.8K |
| May 19, 2026 | Bor-Zen Tien | Buy P | 1.0K | $69.8K |
| May 19, 2026 | Bor-Zen Tien | Buy P | 1.0K | $70.0K |
| May 19, 2026 | Tzu-Sou Chuang | Sell S | 200.0K | $14.0M |
| May 19, 2026 | Bor-Zen Tien | Buy P | 10 | $3.9K |
| May 8, 2026 | Kevin Xiaoqiang Zhang | Buy P | 66 | $4.7K |
| May 8, 2026 | Lipen Yuan | Buy P | 44 | $3.2K |
| May 8, 2026 | Chue-San Yoo | Buy P | 55 | $4.0K |
| May 8, 2026 | Che-Chia Wei KEY | Buy P | 160 | $11.5K |
| May 8, 2026 | Choh Fei Yeap | Buy P | 59 | $4.2K |
| May 8, 2026 | Bor-Zen Tien | Buy P | 7 | $503 |
| May 8, 2026 | Bor-Zen Tien | Buy P | 44 | $3.2K |
| May 8, 2026 | Shien-Yang Wu | Buy P | 60 | $4.3K |
| May 8, 2026 | Ying-Lang Wang | Buy P | 57 | $4.1K |
| May 8, 2026 | Yuh-Jier Mii | Buy P | 75 | $5.4K |
| May 8, 2026 | Lee-Chung Lu | Buy P | 54 | $3.9K |
| May 8, 2026 | Shyue-Shyh Lin | Buy P | 48 | $3.4K |
| May 8, 2026 | Chris Horng-Dar Lin | Buy P | 49 | $3.5K |
| May 8, 2026 | Yung-Haw Liaw | Buy P | 53 | $3.8K |
| May 8, 2026 | Chun-Hsien Lee | Buy P | 53 | $3.8K |
| May 8, 2026 | Syun-Ming Jang | Buy P | 52 | $3.7K |
| May 8, 2026 | Yuan-Ko Hwang | Buy P | 42 | $3.0K |
| May 8, 2026 | Jen-Chau Huang KEY | Buy P | 30 | $2.2K |
| May 8, 2026 | Kuo-Chin Hsu | Buy P | 56 | $4.0K |
| May 8, 2026 | Yung-Chin Hou | Buy P | 66 | $4.7K |
| May 8, 2026 | Jun He | Buy P | 49 | $3.5K |
| May 8, 2026 | Shu-Hua Fang | Buy P | 59 | $4.2K |
| May 8, 2026 | Tzu-Sou Chuang | Buy P | 48 | $3.4K |
| May 8, 2026 | Juiping Chuang | Buy P | 51 | $3.7K |
| May 8, 2026 | Yung-Pei Chin | Buy P | 75 | $5.4K |
| May 8, 2026 | Pei-Hung Chen | Buy P | 49 | $3.5K |
| May 8, 2026 | Chih-Ho Chen | Buy P | 34 | $2.4K |
| May 8, 2026 | Tzonz-Sheng Chang | Buy P | 56 | $4.0K |
| May 8, 2026 | Min Cao | Buy P | 59 | $4.2K |
| Apr 28, 2026 | Bor-Zen Tien | Buy P | 5 | $1.9K |
| Apr 28, 2026 | Bor-Zen Tien | Buy P | 10 | $3.9K |
| Apr 24, 2026 | Bor-Zen Tien | Other H | 20.0K | — |
| Apr 9, 2026 | Chue-San Yoo | Buy P | 65 | $3.8K |
| Apr 9, 2026 | Lipen Yuan | Buy P | 52 | $3.0K |
| Apr 9, 2026 | Kevin Xiaoqiang Zhang | Buy P | 79 | $4.6K |
| Apr 9, 2026 | Bor-Zen Tien | Buy P | 9 | $521 |
| Apr 9, 2026 | Bor-Zen Tien | Buy P | 53 | $3.1K |
| Apr 9, 2026 | Ying-Lang Wang | Buy P | 69 | $4.0K |
| Apr 9, 2026 | Choh Fei Yeap | Buy P | 68 | $3.9K |
| Apr 9, 2026 | Shien-Yang Wu | Buy P | 71 | $4.1K |
| Apr 9, 2026 | Che-Chia Wei KEY | Buy P | 186 | $10.8K |
| Apr 9, 2026 | Yuh-Jier Mii | Buy P | 88 | $5.1K |
| Apr 9, 2026 | Lee-Chung Lu | Buy P | 65 | $3.8K |
| Apr 9, 2026 | Shyue-Shyh Lin | Buy P | 58 | $3.4K |
| Apr 9, 2026 | Chris Horng-Dar Lin | Buy P | 60 | $3.5K |
| Apr 9, 2026 | Yung-Haw Liaw | Buy P | 61 | $3.5K |
| Apr 9, 2026 | Chun-Hsien Lee | Buy P | 63 | $3.6K |
| Apr 9, 2026 | Syun-Ming Jang | Buy P | 62 | $3.6K |
| Apr 9, 2026 | Yuan-Ko Hwang | Buy P | 51 | $3.0K |
| Apr 9, 2026 | Jen-Chau Huang KEY | Buy P | 37 | $2.1K |
| Apr 9, 2026 | Kuo-Chin Hsu | Buy P | 66 | $3.8K |
| Apr 9, 2026 | Yung-Chin Hou | Buy P | 78 | $4.5K |
| Apr 9, 2026 | Jun He | Buy P | 58 | $3.4K |
| Apr 9, 2026 | Shu-Hua Fang | Buy P | 70 | $4.1K |
| Apr 9, 2026 | Tzu-Sou Chuang | Buy P | 58 | $3.4K |
| Apr 9, 2026 | Juiping Chuang | Buy P | 62 | $3.6K |
| Apr 9, 2026 | Yung-Pei Chin | Buy P | 89 | $5.2K |
| Apr 9, 2026 | Pei-Hung Chen | Buy P | 57 | $3.3K |
| Apr 9, 2026 | Chih-Ho Chen | Buy P | 40 | $2.3K |
| Apr 9, 2026 | Tzonz-Sheng Chang | Buy P | 67 | $3.9K |
| Apr 9, 2026 | Min Cao | Buy P | 66 | $3.8K |
| Mar 30, 2026 | Shyue-Shyh Lin | Buy P | 3.0K | $164.2K |
| Mar 29, 2026 | Shyue-Shyh Lin | Buy P | 2.0K | $111.3K |
| Mar 22, 2026 | Bor-Zen Tien | Buy P | 1.0K | $55.9K |
| Mar 22, 2026 | Choh Fei Yeap | Buy P | 1.0K | $55.8K |
About TSM insider trading
This page tracks insider transactions for TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.