SEC CIK 2114023
Tien Bor-Zen
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| TSMview stock → | 85 | 2026-09-07 |
Position History — TSM
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — TSM
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-09-07 | Open-market buy | 5 | $76.20 | 85 |
| 2026-09-07 | Open-market buy | 43 | $76.20 | 313 |
| 2026-08-07 | Open-market buy | 7 | $73.31 | 80 |
| 2026-08-07 | Open-market buy | 42 | $73.31 | 270 |
| 2026-08-03 | Open-market buy | 1,000 | $73.06 | 14,051 |
| 2026-07-28 | Open-market buy | 1,000 | $67.97 | 5,000 |
| 2026-07-28 | Open-market buy | 5 | $390.00 | 132 |
| 2026-07-28 | Open-market buy | 10 | $390.00 | 127 |
| 2026-07-21 | Open-market buy | 1,000 | $74.75 | 4,000 |
| 2026-07-21 | Open-market buy | 1,000 | $74.44 | 3,000 |
| 2026-07-21 | Open-market buy | 1,000 | $73.98 | 2,000 |
| 2026-07-21 | Open-market buy | 1,000 | $74.13 | 13,051 |
| 2026-07-20 | Open-market buy | 10 | $405.00 | 117 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.