Wei Che-Chia Insider Trading Activity
Wei Che-Chia has been net-buying over the last 12 months with 7 purchases and 0 sales across 1 company.
TSM is the most-traded position with 7 trades. The largest single transaction was a purchase of TSM for $11K on May 8, 2026.
Performance Scorecard
Forward stock performance after each transaction by Wei Che-Chia. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | +506.8% | — | 100% | 5 |
| 90 days | +530.0% | — | 100% | 4 |
| 120 days | +558.7% | — | 100% | 3 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersTSM · TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | Δ OWNED | ROLE | FILING |
|---|---|---|---|---|---|---|---|---|
Oct 7, 2026 | TSM | Buy | 144 | $79.39 | $11K | +0.8% | CEO | |
Sep 7, 2026 | TSM | Buy | 149 | $76.20 | $11K | +0.8% | CEO | |
Aug 7, 2026 | TSM | Buy | 152 | $73.31 | $11K | +0.9% | CEO | |
Jul 7, 2026 | TSM | Buy | 146 | $76.62 | $11K | +0.8% | CEO | |
Jun 5, 2026 | TSM | Buy | 150 | $76.01 | $11K | +0.9% | CEO | |
May 8, 2026 | TSM | Buy | 160 | $71.82 | $11K | +0.9% | CEO | |
Apr 9, 2026 | TSM | Buy | 186 | $57.87 | $11K | +1.1% | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| TSM | TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD | 7 | $79K |
Other insiders at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
10 other tracked filers at TSM.