Insiders / Tien Bor-Zen
Tien Bor-Zen
CIK 2114023personinsider
Companies
1
First seen
Mar 18, 2026
Last activity
Jun 30, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Taiwan Semiconductor Manufacturing Co Ltd · TSM | 12,306 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Taiwan Semiconductor Manufacturing Co Ltd | Common Shares (2330.TW) | 12,306 |
| Taiwan Semiconductor Manufacturing Co Ltd | American Depositary Shares (TSM) | 107 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Jun 30, 2026 | Buy | TSM Taiwan Semiconductor Manufacturing Co Ltd Common Shares (2330.TW) | $75.7K | +1K | 1,000 <0.01% of shares | medium |
| May 19, 2026 | Buy | TSM Taiwan Semiconductor Manufacturing Co Ltd Common Shares (2330.TW) | $70.0K | +1K +11.05% | 10,051 <0.01% of shares | medium |
| May 19, 2026 | Buy | TSM Taiwan Semiconductor Manufacturing Co Ltd Common Shares (2330.TW) | $69.8K | +1K +9.95% | 11,051 <0.01% of shares | medium |
| Mar 22, 2026 | Buy | TSM Taiwan Semiconductor Manufacturing Co Ltd Common Shares (2330.TW) | $55.9K | +1K +12.42% | 9,051 <0.01% of shares | medium |
| May 19, 2026 | Buy | TSM Taiwan Semiconductor Manufacturing Co Ltd American Depositary Shares (TSM) | $3.9K | +10 +11.11% | 100 0.00% of shares | low |
| Apr 28, 2026 | Buy | TSM Taiwan Semiconductor Manufacturing Co Ltd American Depositary Shares (TSM) | $3.9K | +10 +14.29% | 80 0.00% of shares | low |
| Jun 5, 2026 | Buy | TSM Taiwan Semiconductor Manufacturing Co Ltd Common Shares (2330.TW) | $3.3K | +43 +29.66% | 188 <0.01% of shares | low |
| May 8, 2026 | Buy | TSM Taiwan Semiconductor Manufacturing Co Ltd Common Shares (2330.TW) | $3.2K | +44 +43.56% | 145 <0.01% of shares | low |
| Apr 9, 2026 | Buy | TSM Taiwan Semiconductor Manufacturing Co Ltd Common Shares (2330.TW) | $3.1K | +53 +110.42% | 101 0.00% of shares | low |
| May 20, 2026 | Buy | TSM Taiwan Semiconductor Manufacturing Co Ltd American Depositary Shares (TSM) | $2.8K | +7 +7.00% | 107 0.00% of shares | low |