Who
Bor-Zen Tien
VP
Company insider
Files Form 4 as: VP, Taiwan Semiconductor Manufacturing Company.
In numbers
- Trades disclosed
- 66
- Buys
- 18
- Sells
- 0
- Bought
- $1.7M
- Sold
- $0
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 22 Mar 2026
- Last trade
- 7 Oct 2026
- Last filed
- 8 Oct 2026
Companies traded
Activity over time
1 Mar – 1 Oct
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 7 Oct 2026filed 8 Oct 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $3,17640 at $79.39 | filing |
| 7 Oct 2026filed 8 Oct 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $5567 at $79.39 | filing |
| 7 Sep 2026filed 9 Sep 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $3,27743 at $76.20 | filing |
| 7 Sep 2026filed 9 Sep 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $3815 at $76.20 | filing |
| 7 Sep 2026filed 9 Sep 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $3,27743 at $76.20 | filing |
| 7 Sep 2026filed 9 Sep 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $3815 at $76.20 | filing |
| 7 Aug 2026filed 10 Aug 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $3,07942 at $73.31 | filing |
| 7 Aug 2026filed 10 Aug 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $5137 at $73.31 | filing |
| 7 Aug 2026filed 10 Aug 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $3,07942 at $73.31 | filing |
| 7 Aug 2026filed 10 Aug 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $5137 at $73.31 | filing |
| 3 Aug 2026filed 4 Aug 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $73K1,000 at $73.06 | filing |
| 3 Aug 2026filed 4 Aug 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $73K1,000 at $73.06 | filing |
| 28 Jul 2026filed 30 Jul 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $3,90010 at $390.00 | filing |
| 28 Jul 2026filed 30 Jul 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $1,9505 at $390.00 | filing |
| 28 Jul 2026filed 30 Jul 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $68K1,000 at $67.97 | filing |
| 28 Jul 2026filed 30 Jul 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $3,90010 at $390.00 | filing |
| 28 Jul 2026filed 30 Jul 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $1,9505 at $390.00 | filing |
| 28 Jul 2026filed 30 Jul 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $68K1,000 at $67.97 | filing |
| 21 Jul 2026filed 23 Jul 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $74K1,000 at $74.13 | filing |
| 21 Jul 2026filed 23 Jul 2026 | TSM Taiwan Semiconductor Manufacturing CompanySemiconductors | SEC FORM 4 Bought | $74K1,000 at $73.98 | filing |
News
Taiwan Semiconductor Manufacturing (NYSE:TSM) Stock Falls 4.5% – What's Next?TSM · themarketsdaily.com · 24 Oct 2026TOYO (NASDAQ:TOYO) and Taiwan Semiconductor Manufacturing (NYSE:TSM) Head to Head SurveyTSM · dailypolitical.com · 24 Oct 2026Taiwan Semiconductor Manufacturing (NYSE:TSM) Stock Jumps 1.2% – What's Next?TSM · dailypolitical.com · 20 Oct 2026
0 headlines in the last 90 days name Bor-Zen Tien; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.