Tien Bor-Zeninsider trades
In SEC Form 4 filings, Tien Bor-Zen is listed as VP of Taiwan Semiconductor Manufacturing Co Ltd (TSM). In the last 90 days, Tien Bor-Zen bought $7.4K of Taiwan Semiconductor Manufacturing Co Ltd (TSM) on the open market and sold none. The largest purchase was $3.3K of Taiwan Semiconductor Manufacturing Co Ltd (TSM) on Sep 7. Took part in a cluster buy; the latest at Taiwan Semiconductor Manufacturing Co Ltd (TSM), where 30 insiders bought within 1 day, ending Oct 7.
Companies and roles
| Company | Role | Transactions | Last filed |
|---|---|---|---|
| TSMTaiwan Semiconductor Manufacturing Co Ltd | VP | 4 | Oct 8 |
Cluster buys
- TSM: 30 insiders bought $121.5K between Oct 7.
Form 4 historysince 2026-09-09
| Company | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| TSMTaiwan Semiconductor Manufacturing Co Ltd | Oct 7 | Oct 8 | P | 40 | $79.39 | Purchase +$3,176 | 353 | No | Form 4 |
| TSMTaiwan Semiconductor Manufacturing Co Ltd | Oct 7 | Oct 8 | P | 7 | $79.39 | Purchase +$556 | 92 | No | Form 4 |
| TSMTaiwan Semiconductor Manufacturing Co Ltd | Sep 7 | Sep 9 | P | 43 | $76.20 | Purchase +$3,277 | 313 | No | Form 4 |
| TSMTaiwan Semiconductor Manufacturing Co Ltd | Sep 7 | Sep 9 | P | 5 | $76.20 | Purchase +$381 | 85 | No | Form 4 |
Published from this insider's public Form 4 filings on SEC EDGAR; the name is shown as filed. Named in a filing and want this page removed? See the privacy policy.