Chuang Juiping
Officer · TSM
As of 2026-09-16, Chuang Juiping has 7 Form 4 transactions on record across 1 company — 7 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-07 | TSM | Purchase | 50 @ $76.20 | $4K | +1.2% of holding | 4,292 | Form 4 |
| 2026-08-07 | TSM | Purchase | 49 @ $73.31 | $4K | +1.2% of holding | 4,242 | Form 4 |
| 2026-07-07 | TSM | Purchase | 47 @ $76.62 | $4K | +1.1% of holding | 4,193 | Form 4 |
| 2026-06-05 | TSM | Purchase | 50 @ $76.01 | $4K | +1.2% of holding | 4,146 | Form 4 |
| 2026-05-08 | TSM | Purchase | 51 @ $71.82 | $4K | +1.3% of holding | 4,096 | Form 4 |
| 2026-04-09 | TSM | Purchase | 62 @ $57.87 | $4K | +1.6% of holding | 4,045 | Form 4 |
1 award / exercise / gift record — not counted as purchases
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.