TSM
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Latest Form 4:Purchase$100KbyYuan Lipen (VP) · filed Aug 20, 2026
TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) has 170 SEC Form 4 filings (195 transaction rows) in the rolling window, disclosed by 32 distinct insiders. Most recent filing: Aug 20, 2026.
The most active filer is VP Tien Bor-Zen with 15 filings. Insiders have net sold $11.2M over the trailing 6 months.
- Industry:Semiconductors
- CEO:C. C. Wei
- Employees:65,152
- HQ:Hsinchu City, TPE, TW
- IPO:1997-10-09
Insider Buying
$2.7M
reported purchases (SEC code P)
Insider Selling
$14.0M
reported sales (SEC code S)
Unique Insiders
32
in the rolling window
Market Cap
$10.83T
Price slightly stale
Earnings: last 7 quarters
EstimatedActual
| Source | ||||||
|---|---|---|---|---|---|---|
| VP | Purchase | 1,350 | $100K | Aug 20 | SEC ↗ | |
| VP | Purchase | 1,000 | $74K | Aug 20 | SEC ↗ | |
| SVP | Purchase | 57 | $4K | Aug 10 | SEC ↗ | |
| SVP and Deputy Co-COO | Purchase | 63 | $5K | Aug 10 | SEC ↗ | |
| VP | Purchase | 42 | $3K | Aug 10 | SEC ↗ | |
| VP | Purchase | 41 | $3K | Aug 10 | SEC ↗ | |
| VP | Purchase | 51 | $4K | Aug 10 | SEC ↗ | |
| EVP and Co-COO | Purchase | 72 | $5K | Aug 10 | SEC ↗ | |
| SVP | Purchase | 55 | $4K | Aug 10 | SEC ↗ | |
| Chairman and CEO | Purchase | 152 | $11K | Aug 10 | SEC ↗ | |
| SVP | Purchase | 57 | $4K | Aug 10 | SEC ↗ | |
| VP | Purchase | 49 | $4K | Aug 10 | SEC ↗ | |
| VP and CIO | Purchase | 49 | $4K | Aug 10 | SEC ↗ | |
| VP | Purchase | 52 | $4K | Aug 10 | SEC ↗ | |
| VP | Purchase | 47 | $3K | Aug 10 | SEC ↗ | |
| SVP | Purchase | 54 | $4K | Aug 10 | SEC ↗ | |
| VP | Purchase | 39 | $3K | Aug 10 | SEC ↗ | |
| VP | Purchase | 50 | $4K | Aug 10 | SEC ↗ | |
| VP | Purchase | 54 | $4K | Aug 10 | SEC ↗ | |
| SVP and CFO | Purchase | 29 | $2K | Aug 10 | SEC ↗ | |
| VP | Purchase | 40 | $3K | Aug 10 | SEC ↗ | |
| VP | Purchase | 47 | $3K | Aug 10 | SEC ↗ | |
| VP | Purchase | 46 | $3K | Aug 10 | SEC ↗ | |
| VP | Purchase | 47 | $3K | Aug 10 | SEC ↗ | |
| SVP and Deputy Co-COO | Purchase | 63 | $5K | Aug 10 | SEC ↗ | |
| VP | Purchase | 49 | $4K | Aug 10 | SEC ↗ | |
| SVP and GC | Purchase | 57 | $4K | Aug 10 | SEC ↗ | |
| SVP | Purchase | 54 | $4K | Aug 10 | SEC ↗ | |
| Controller | Purchase | 33 | $2K | Aug 10 | SEC ↗ | |
| VP | Purchase | 46 | $3K | Aug 10 | SEC ↗ | |
| VP | Purchase | 55 | $4K | Aug 10 | SEC ↗ | |
| EVP and Co-COO | Purchase | 72 | $5K | Aug 10 | SEC ↗ | |
| VP | Purchase | 1,000 | $73K | Aug 4 | SEC ↗ | |
| VP | Purchase | 1,015 | $74K | Jul 30 | SEC ↗ | |
| VP | Purchase | 4,000 | $297K | Jul 23 | SEC ↗ | |
| VP | Purchase | 10 | $4K | Jul 23 | SEC ↗ | |
| VP | Purchase | 1,000 | $73K | Jul 22 | SEC ↗ | |
| VP | Purchase | 1,000 | $74K | Jul 22 | SEC ↗ | |
| VP | Purchase | 3,000 | $215K | Jul 21 | SEC ↗ | |
| Controller | Purchase | 50 | $4K | Jul 16 | SEC ↗ | |
| Controller | Sale | 50 | $4K | Jul 16 | SEC ↗ | |
| SVP | Purchase | 53 | $4K | Jul 9 | SEC ↗ | |
| VP | Purchase | 47 | $4K | Jul 9 | SEC ↗ | |
| SVP | Purchase | 54 | $4K | Jul 9 | SEC ↗ | |
| VP | Purchase | 46 | $4K | Jul 9 | SEC ↗ | |
| VP | Purchase | 47 | $4K | Jul 9 | SEC ↗ | |
| VP and CIO | Purchase | 46 | $4K | Jul 9 | SEC ↗ | |
| SVP | Purchase | 52 | $4K | Jul 9 | SEC ↗ | |
| Chairman and CEO | Purchase | 146 | $11K | Jul 9 | SEC ↗ | |
| SVP | Purchase | 50 | $4K | Jul 9 | SEC ↗ | |
| VP | Purchase | 44 | $3K | Jul 9 | SEC ↗ | |
| VP | Purchase | 46 | $4K | Jul 9 | SEC ↗ | |
| VP | Purchase | 39 | $3K | Jul 9 | SEC ↗ | |
| SVP and Deputy Co-COO | Purchase | 61 | $5K | Jul 9 | SEC ↗ | |
| VP | Purchase | 40 | $3K | Jul 9 | SEC ↗ | |
| EVP and Co-COO | Purchase | 69 | $5K | Jul 9 | SEC ↗ | |
| SVP and Deputy Co-COO | Purchase | 61 | $5K | Jul 9 | SEC ↗ | |
| VP | Purchase | 52 | $4K | Jul 9 | SEC ↗ | |
| Controller | Purchase | 31 | $2K | Jul 9 | SEC ↗ | |
| VP | Purchase | 48 | $4K | Jul 9 | SEC ↗ | |
| SVP and GC | Purchase | 54 | $4K | Jul 9 | SEC ↗ | |
| EVP and Co-COO | Purchase | 68 | $5K | Jul 9 | SEC ↗ | |
| SVP | Purchase | 53 | $4K | Jul 9 | SEC ↗ | |
| VP | Purchase | 45 | $3K | Jul 9 | SEC ↗ | |
| SVP and CFO | Purchase | 28 | $2K | Jul 9 | SEC ↗ | |
| VP | Purchase | 37 | $3K | Jul 9 | SEC ↗ | |
| VP | Purchase | 45 | $3K | Jul 9 | SEC ↗ | |
| VP | Purchase | 54 | $4K | Jul 9 | SEC ↗ | |
| VP | Purchase | 49 | $4K | Jul 9 | SEC ↗ | |
| VP | Purchase | 44 | $3K | Jul 9 | SEC ↗ | |
| VP | Purchase | 51 | $4K | Jul 9 | SEC ↗ | |
| VP | Purchase | 40 | $3K | Jul 9 | SEC ↗ | |
| VP | Purchase | 1,000 | $77K | Jun 30 | SEC ↗ | |
| VP | Purchase | 1,000 | $76K | Jun 30 | SEC ↗ | |
| VP | Purchase | 1,000 | $79K | Jun 23 | SEC ↗ | |
| VP | Purchase | 1,000 | $75K | Jun 16 | SEC ↗ | |
| SVP and Deputy Co-COO | Purchase | 62 | $5K | Jun 9 | SEC ↗ | |
Wu Yi-HuangFirst filing | VP | Purchase | 40 | $3K | Jun 9 | SEC ↗ |
| VP | Purchase | 42 | $3K | Jun 9 | SEC ↗ | |
| SVP | Purchase | 55 | $4K | Jun 9 | SEC ↗ | |
| VP | Purchase | 53 | $4K | Jun 9 | SEC ↗ | |
| SVP | Purchase | 56 | $4K | Jun 9 | SEC ↗ | |
| EVP and Co-COO | Purchase | 72 | $5K | Jun 9 | SEC ↗ | |
| Chairman and CEO | Purchase | 150 | $11K | Jun 9 | SEC ↗ | |
| SVP | Purchase | 57 | $4K | Jun 9 | SEC ↗ | |
| VP | Purchase | 50 | $4K | Jun 9 | SEC ↗ | |
| VP and CIO | Purchase | 48 | $4K | Jun 9 | SEC ↗ | |
| VP | Purchase | 52 | $4K | Jun 9 | SEC ↗ | |
Lu Chin-ShengFirst filing | VP | Purchase | 37 | $3K | Jun 9 | SEC ↗ |
| VP | Purchase | 48 | $4K | Jun 9 | SEC ↗ | |
| SVP | Purchase | 51 | $4K | Jun 9 | SEC ↗ | |
| VP | Purchase | 46 | $3K | Jun 9 | SEC ↗ | |
| VP | Purchase | 40 | $3K | Jun 9 | SEC ↗ | |
Ku Yao-ChingFirst filing | VP | Purchase | 48 | $4K | Jun 9 | SEC ↗ |
| VP | Purchase | 53 | $4K | Jun 9 | SEC ↗ | |
| SVP and CFO | Purchase | 30 | $2K | Jun 9 | SEC ↗ | |
| VP | Purchase | 49 | $4K | Jun 9 | SEC ↗ | |
| SVP and GC | Purchase | 55 | $4K | Jun 9 | SEC ↗ | |
| SVP and Deputy Co-COO | Purchase | 62 | $5K | Jun 9 | SEC ↗ | |
| VP | Purchase | 50 | $4K | Jun 9 | SEC ↗ | |
| VP | Purchase | 46 | $3K | Jun 9 | SEC ↗ | |
| VP | Purchase | 46 | $3K | Jun 9 | SEC ↗ | |
| VP | Purchase | 46 | $3K | Jun 9 | SEC ↗ | |
| Controller | Purchase | 32 | $2K | Jun 9 | SEC ↗ | |
| SVP | Purchase | 53 | $4K | Jun 9 | SEC ↗ | |
| VP | Purchase | 54 | $4K | Jun 9 | SEC ↗ | |
| EVP and Co-COO | Purchase | 71 | $5K | Jun 9 | SEC ↗ | |
| VP | Purchase | 2,010 | $144K | May 21 | SEC ↗ | |
| VP | Purchase | 7 | $3K | May 21 | SEC ↗ | |
| VP | Sale | 200,000 | $14.0M | May 19 | SEC ↗ | |
| SVP and Deputy Co-COO | Purchase | 66 | $5K | May 11 | SEC ↗ | |
| VP | Purchase | 44 | $3K | May 11 | SEC ↗ | |
| VP | Purchase | 55 | $4K | May 11 | SEC ↗ | |
| Chairman and CEO | Purchase | 160 | $11K | May 11 | SEC ↗ | |
| SVP | Purchase | 59 | $4K | May 11 | SEC ↗ | |
| VP | Purchase | 51 | $4K | May 11 | SEC ↗ | |
| SVP | Purchase | 60 | $4K | May 11 | SEC ↗ | |
| SVP | Purchase | 57 | $4K | May 11 | SEC ↗ | |
| VP | Purchase | 53 | $4K | May 11 | SEC ↗ | |
| VP and CIO | Purchase | 49 | $4K | May 11 | SEC ↗ | |
| VP | Purchase | 48 | $3K | May 11 | SEC ↗ | |
| VP | Purchase | 54 | $4K | May 11 | SEC ↗ | |
| EVP and Co-COO | Purchase | 75 | $5K | May 11 | SEC ↗ | |
| SVP and CFO | Purchase | 30 | $2K | May 11 | SEC ↗ | |
| VP | Purchase | 56 | $4K | May 11 | SEC ↗ | |
| VP | Purchase | 53 | $4K | May 11 | SEC ↗ | |
| VP | Purchase | 42 | $3K | May 11 | SEC ↗ | |
| VP | Purchase | 52 | $4K | May 11 | SEC ↗ | |
| SVP and Deputy Co-COO | Purchase | 66 | $5K | May 11 | SEC ↗ | |
| SVP and GC | Purchase | 59 | $4K | May 11 | SEC ↗ | |
| VP | Purchase | 48 | $3K | May 11 | SEC ↗ | |
| VP | Purchase | 51 | $4K | May 11 | SEC ↗ | |
| VP | Purchase | 49 | $4K | May 11 | SEC ↗ | |
| SVP | Purchase | 56 | $4K | May 11 | SEC ↗ | |
| VP | Purchase | 59 | $4K | May 11 | SEC ↗ | |
| VP | Purchase | 49 | $4K | May 11 | SEC ↗ | |
| EVP and Co-COO | Purchase | 75 | $5K | May 11 | SEC ↗ | |
| Controller | Purchase | 34 | $2K | May 11 | SEC ↗ | |
| VP | Purchase | 15 | $6K | Apr 29 | SEC ↗ | |
Wei Che-ChiaFirst filing | Chairman and CEO | Purchase | 186 | $11K | Apr 13 | SEC ↗ |
Chen Chih-HoFirst filing | Controller | Purchase | 40 | $2K | Apr 13 | SEC ↗ |
Hou Yung-ChinFirst filing | SVP and Deputy Co-COO | Purchase | 78 | $5K | Apr 13 | SEC ↗ |
Jang Syun-MingFirst filing | VP | Purchase | 62 | $4K | Apr 13 | SEC ↗ |
Mii Yuh-JierFirst filing | EVP and Co-COO | Purchase | 88 | $5K | Apr 13 | SEC ↗ |
Chen Pei-HungFirst filing | VP | Purchase | 57 | $3K | Apr 13 | SEC ↗ |
Chuang Tzu-SouFirst filing | VP | Purchase | 58 | $3K | Apr 13 | SEC ↗ |
Cao MinFirst filing | VP | Purchase | 66 | $4K | Apr 13 | SEC ↗ |
Liaw Yung-HawFirst filing | VP | Purchase | 61 | $4K | Apr 13 | SEC ↗ |
Wu Shien-YangFirst filing | SVP | Purchase | 71 | $4K | Apr 13 | SEC ↗ |
Hwang Yuan-KoFirst filing | VP | Purchase | 51 | $3K | Apr 13 | SEC ↗ |
| VP | Purchase | 58 | $3K | Apr 13 | SEC ↗ | |
Yuan LipenFirst filing | VP | Purchase | 52 | $3K | Apr 13 | SEC ↗ |
Yoo Chue-SanFirst filing | VP | Purchase | 65 | $4K | Apr 13 | SEC ↗ |
Chin Yung-PeiFirst filing | EVP and Co-COO | Purchase | 89 | $5K | Apr 13 | SEC ↗ |
Lee Chun-HsienFirst filing | VP | Purchase | 63 | $4K | Apr 13 | SEC ↗ |
Lu Lee-ChungFirst filing | VP | Purchase | 65 | $4K | Apr 13 | SEC ↗ |
Zhang Kevin XiaoqiangFirst filing | SVP and Deputy Co-COO | Purchase | 79 | $5K | Apr 13 | SEC ↗ |
Lin Chris Horng-DarFirst filing | VP and CIO | Purchase | 60 | $3K | Apr 13 | SEC ↗ |
He JunFirst filing | VP | Purchase | 58 | $3K | Apr 13 | SEC ↗ |
Huang Jen-ChauFirst filing | SVP and CFO | Purchase | 37 | $2K | Apr 13 | SEC ↗ |
Chuang JuipingFirst filing | VP | Purchase | 62 | $4K | Apr 13 | SEC ↗ |
Fang Shu-HuaFirst filing | SVP and GC | Purchase | 70 | $4K | Apr 13 | SEC ↗ |
Hsu Kuo-ChinFirst filing | VP | Purchase | 66 | $4K | Apr 13 | SEC ↗ |
| VP | Purchase | 62 | $4K | Apr 13 | SEC ↗ | |
| SVP | Purchase | 68 | $4K | Apr 13 | SEC ↗ | |
Chang Tzonz-ShengFirst filing | SVP | Purchase | 67 | $4K | Apr 13 | SEC ↗ |
Wang Ying-LangFirst filing | SVP | Purchase | 69 | $4K | Apr 13 | SEC ↗ |
BURNS URSULA MFirst filing | Director | Purchase | 1,000 | $322K | Apr 1 | SEC ↗ |
Yeap Choh FeiFirst filing | SVP | Purchase | 1,000 | $56K | Mar 31 | SEC ↗ |
| VP | Purchase | 3,000 | $164K | Mar 31 | SEC ↗ | |
Lin Shyue-ShyhFirst filing | VP | Purchase | 2,000 | $111K | Mar 30 | SEC ↗ |
Tien Bor-ZenFirst filing | VP | Purchase | 1,000 | $56K | Mar 24 | SEC ↗ |
Congress trading TSM
See timeline →- DRep. Cleo FieldsPurchase$1,001 - $15,0002026-07-10
- 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.
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TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD is in the Technology sector.