Insider txns (12m)
11
Stock / equity
TSM TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Company profile, contracts and lobbying: TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
TSM (TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD) has 11 disclosed insider transactions from 10 insiders in the last 12 months (11 open-market buys, 0 sales, about $48K at reported prices) and 1 congressional trade from 1 member of Congress. The most recent disclosure was filed September 22, 2026.
Open-market buys / sales
11 / 0
Congress trades (12m)
1
Distinct filers (12m)
11
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source |
|---|---|---|---|---|---|---|---|---|---|
| Wang Ying-Lang | Buy P | September 7, 2026 | September 9, 2026 | 2d | 54 | $76 | $4,115 | indirect | Form 4 ↗ |
| Tien Bor-Zen | Buy P | September 7, 2026 | September 9, 2026 | 2d | 5 | $76 | $381 | indirect | Form 4 ↗ |
| Tien Bor-Zen | Buy P | September 7, 2026 | September 9, 2026 | 2d | 43 | $76 | $3,277 | indirect | Form 4 ↗ |
| Wei Che-Chia | Buy P | September 7, 2026 | September 9, 2026 | 2d | 149 | $76 | $11K | indirect | Form 4 ↗ |
| Wu Shien-Yang | Buy P | September 7, 2026 | September 9, 2026 | 2d | 57 | $76 | $4,343 | indirect | Form 4 ↗ |
| Mii Yuh-Jier | Buy P | September 7, 2026 | September 9, 2026 | 2d | 71 | $76 | $5,410 | indirect | Form 4 ↗ |
| Yuan Lipen | Buy P | September 7, 2026 | September 9, 2026 | 2d | 41 | $76 | $3,124 | indirect | Form 4 ↗ |
| Zhang Kevin Xiaoqiang | Buy P | September 7, 2026 | September 9, 2026 | 2d | 61 | $76 | $4,648 | indirect | Form 4 ↗ |
| Yeap Choh Fei | Buy P | September 7, 2026 | September 9, 2026 | 2d | 54 | $76 | $4,115 | indirect | Form 4 ↗ |
| Yoo Chue-San | Buy P | September 7, 2026 | September 9, 2026 | 2d | 53 | $76 | $4,039 | indirect | Form 4 ↗ |
| Wu Yi-Huang | Buy P | September 7, 2026 | September 9, 2026 | 2d | 40 | $76 | $3,048 | indirect | Form 4 ↗ |
Congressional trades
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source |
|---|---|---|---|---|---|---|---|---|---|
| Richard W. Allen | Buy | August 12, 2026 | September 22, 2026 | 41d | — | — | $1,001–$15K | spouse | House PTR ↗ |
Who is filing
- Wang Ying-Lang — 1 transaction
- Tien Bor-Zen — 2 transactions
- Wei Che-Chia — 1 transaction
- Wu Shien-Yang — 1 transaction
- Mii Yuh-Jier — 1 transaction
- Yuan Lipen — 1 transaction
- Zhang Kevin Xiaoqiang — 1 transaction
- Yeap Choh Fei — 1 transaction
- Yoo Chue-San — 1 transaction
- Wu Yi-Huang — 1 transaction
Sources and method
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk (and Senate eFD when live). Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.