Chuang Tzu-Sou
- SEC CIK
- 0002114030
In the past year, 6 open-market purchase filings worth $20.8K and 1 sale filing worth $14.0M.
Current role at each company
- TSM Taiwan Semiconductor Manufacturing Co LtdVPas of Sep 9, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $20.8K
- 6 filings
- Sold
- $14.0M
- 1 filing
- Net
- −$13.9M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Chuang Tzu-Sou as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 (view filing)6:04 AM ET | Sep 7 | 2 days | Chuang Tzu-SouVP | PPurchaseCommon Shares (2330.TW) | +47 | $76.20 | +$3.58K | +0.8%5.85K after | |
| Aug 10, 2026 (view filing)7:43 AM ET | Aug 7 | 3 days | Chuang Tzu-SouVP | PPurchaseCommon Shares (2330.TW) | +47 | $73.31 | +$3.45K | +0.8%5.81K after | |
| Jul 9, 2026 (view filing)6:12 AM ET | Jul 7 | 2 days | Chuang Tzu-SouVP | PPurchaseCommon Shares (2330.TW) | +45 | $76.62 | +$3.45K | +0.8%5.76K after | |
| Jun 9, 2026 (view filing) | Jun 5 | 4 days | Chuang Tzu-SouVP | PPurchaseCommon Shares (2330.TW) | +46 | $76.01 | +$3.50K | +0.8%5.71K after | |
| May 19, 2026 (view filing) | May 19 | Same day | Chuang Tzu-SouVP | SSaleCommon Shares (2330.TW) | −200.0K | $69.83 | −$14.0M | −7.4%2.50M after | |
| May 11, 2026 (view filing) | May 8 | 3 days | Chuang Tzu-SouVP | PPurchaseCommon Shares (2330.TW) | +48 | $71.82 | +$3.45K | +0.9%5.67K after | |
| Apr 13, 2026 (view filing) | Apr 9 | 4 days | Chuang Tzu-SouVP | PPurchaseCommon Shares (2330.TW) | +58 | $57.87 | +$3.36K | +1.0%5.62K after |