TSMC (TSM) Insider Trading
Officer, director, and 10%+ owner transactions reported to the SEC on Form 4, with buy/sell totals and cluster activity for TSMC.
Bought (12 mo)
$3,516,747
Sold (12 mo)
$13,966,031
Insiders Buying (12 mo)
33
Insiders Selling (12 mo)
2
Form 4 Filings (All Time)
258
Most Recent Purchase
November 9, 2026
Michael R Splinter
Director
$299,880
Most Recent Sale
July 16, 2026
Chih-Ho Chen
Controller
$31
Buys (90d)
64
Sells (90d)
0
Recent Insider Transactions
| Filed | Insider | Role | Type | Value | % Change |
|---|---|---|---|---|---|
| 2026-11-09 | Splinter Michael R | Director | Buy | $299,880 | +8.8% |
| 2026-11-03 | Yuan Lipen | Officer | Buy | $71,490 | +9.7% |
| 2026-10-08 | Wu Shien Yang | Officer | Buy | $4,208 | +0.0% |
| 2026-10-08 | Yuan Lipen | Officer | Buy | $3,176 | +0.4% |
| 2026-10-08 | Hwang Yuan Ko | Officer | Buy | $3,096 | +0.0% |
| 2026-10-08 | Lu Chin Sheng | Officer | Buy | $2,858 | +0.1% |
| 2026-10-08 | Yoo Chue San | Officer | Buy | $3,970 | — |
| 2026-10-08 | Jang Syun Ming | Officer | Buy | $3,652 | +0.0% |
| 2026-10-08 | Wang Ying Lang | Officer | Buy | $4,128 | — |
| 2026-10-08 | Lu Lee Chung | Officer | Buy | $3,890 | +0.0% |
| 2026-10-08 | Chen Chih Ho | Officer | Buy | $2,461 | +0.2% |
| 2026-10-08 | Huang Jen Chau | CFO | Buy | $2,223 | — |
| 2026-10-08 | Lee Chun Hsien | Officer | Buy | $4,049 | +0.0% |
| 2026-10-08 | Ku Yao Ching | Officer | Buy | $3,652 | +0.0% |
| 2026-10-08 | Lin Shyue Shyh | Officer | Buy | $3,493 | +0.1% |
| 2026-10-08 | Chin Yung Pei | Officer | Buy | $5,319 | — |
| 2026-10-08 | Hsu Kuo Chin | Officer | Buy | $4,128 | +0.0% |
| 2026-10-08 | Cao Min | Officer | Buy | $4,049 | +0.0% |
| 2026-10-08 | Chuang Juiping | Officer | Buy | $3,652 | +0.0% |
| 2026-10-08 | Wu Yi Huang | Officer | Buy | $3,096 | +0.0% |
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