SEC CIK 2114030
Chuang Tzu-Sou
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| TSMview stock → | 47 | 2026-10-07 |
Position History — TSM
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — TSM
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-10-07 | Open-market buy | 46 | $79.39 | 47 |
| 2026-09-07 | Open-market buy | 47 | $76.20 | 5,853 |
| 2026-09-01 | Grant / award | 8,175 | $0.00 | 1,503,340 |
| 2026-08-07 | Open-market buy | 47 | $73.31 | 5,806 |
| 2026-07-07 | Open-market buy | 45 | $76.62 | 5,759 |
| 2026-06-24 | Gift | 500,000 | $0.00 | 1,495,165 |
| 2026-06-08 | Gift | 500,000 | $0.00 | 1,995,165 |
| 2026-06-05 | Open-market buy | 46 | $76.01 | 5,714 |
| 2026-05-19 | Open-market sale | 200,000 | $69.83 | 2,495,165 |
| 2026-05-08 | Open-market buy | 48 | $71.82 | 5,668 |
| 2026-04-09 | Open-market buy | 58 | $57.87 | 5,620 |
| 2026-03-18 | — | — | — | 2,695,165 |
| 2026-03-18 | — | — | — | 7,036 |
| 2026-03-18 | — | — | — | 5,562 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.