Bor-Zen Tien insider trades
Open-market stock purchases and sales by Bor-Zen Tien, VP at Taiwan Semiconductor Manufacturing Co Ltd, from SEC Form 4 filings since Mar 22, 2026.
Track record: 100% of 7 scored buys are up 5% or more since purchase, averaging +10%.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Oct 7, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $3.2K |
| Oct 7, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $556 |
| Sep 7, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $3.3K |
| Sep 7, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $381 |
| Aug 7, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $3.1K |
| Aug 7, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $513 |
| Aug 3, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $73.1K |
| Jul 28, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $3.9K |
| Jul 28, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $1.9K |
| Jul 28, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $68K |
| Jul 21, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $74.8K |
| Jul 20, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $4K |
| Jul 7, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $3.1K |
| Jul 7, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $460 |
| Jun 30, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $75.7K |
| Jun 29, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $76.6K |
| Jun 5, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $3.3K |
| Jun 5, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $532 |
| May 20, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $2.8K |
| May 19, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $69.8K |
| May 19, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $3.9K |
| May 8, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $3.2K |
| May 8, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $503 |
| Apr 28, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $3.9K |
| Apr 28, 2026 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Bought | $1.9K |
Companies traded
- TSM Taiwan Semiconductor Manufacturing Co Ltd: 28 buys, last Oct 7, 2026