Juiping Chuang
Insider
First SEC filing: March 18, 2026 · Latest: June 9, 2026
Insider at
Insider transactions
6 buys (P)
0 sells (S)
Net: $22,054
Avg return of open purchases vs now: 576.6%
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 7, 2026 | TSM | P | 50 | $76.20 | $3,810 | 4,292 Indirect | +1.18% | Acquired | 532.9% (price as of 2026-10-06) |
| Sept. 1, 2026 | TSM | A | 8,175 | · | · | 247,913 Direct | +3.41% | Acquired | (price as of 2026-10-06) |
| Aug. 7, 2026 | TSM | P | 49 | $73.31 | $3,592 | 4,242 Indirect | +1.17% | Acquired | 557.9% (price as of 2026-10-06) |
| July 7, 2026 | TSM | P | 47 | $76.62 | $3,601 | 4,193 Indirect | +1.13% | Acquired | 529.5% (price as of 2026-10-06) |
| June 5, 2026 | TSM | P | 50 | $76.01 | $3,800 | 4,146 Indirect | +1.22% | Acquired | 534.5% (price as of 2026-10-06) |
| May 8, 2026 | TSM | P | 51 | $71.82 | $3,663 | 4,096 Indirect | +1.26% | Acquired | 571.5% (price as of 2026-10-06) |
| April 9, 2026 | TSM | P | 62 | $57.87 | $3,588 | 4,045 Indirect | +1.56% | Acquired | 733.4% (price as of 2026-10-06) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 18, 2026 | TSM | Common Shares (2330.TW) | 239,738 | Direct |
| March 18, 2026 | TSM | American Depositary Shares (TSM) [F1] | 50 | Direct |
| March 18, 2026 | TSM | Common Shares (2330.TW) | 3,983 | Indirect |
| March 18, 2026 | TSM | Common Shares (2330.TW) | 7,036 | Indirect |
| March 18, 2026 | TSM | Common Shares (2330.TW) | 106,000 | Indirect |