Chih-Ho Chen
Insider
First SEC filing: March 30, 2026 · Latest: June 9, 2026
Insider at
Insider transactions
7 buys (P)
1 sells (S)
Net: $14,390
Avg return of open purchases vs now: 559.1%
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 | 32 | $76.20 | $2,438 | 202 Indirect | +18.82% | Acquired | 520.4% (price as of 2026-10-02) |
| Aug. 7, 2026 | TSM | P | 33 | $73.31 | $2,419 | 170 Indirect | +24.09% | Acquired | 544.9% (price as of 2026-10-02) |
| July 14, 2026 | TSM | S | 50 | $75.22 | $3,761 | 363 Indirect | -12.11% | Disposed | 528.5% (price as of 2026-10-02) |
| July 13, 2026 | TSM | P | 50 | $74.60 | $3,730 | 413 Indirect | +13.77% | Acquired | 533.8% (price as of 2026-10-02) |
| July 7, 2026 | TSM | P | 31 | $76.62 | $2,375 | 137 Indirect | +29.25% | Acquired | 517.0% (price as of 2026-10-02) |
| June 5, 2026 | TSM | P | 32 | $76.01 | $2,432 | 106 Indirect | +43.24% | Acquired | 522.0% (price as of 2026-10-02) |
| May 8, 2026 | TSM | P | 34 | $71.82 | $2,442 | 74 Indirect | +85.00% | Acquired | 558.3% (price as of 2026-10-02) |
| April 9, 2026 | TSM | P | 40 | $57.87 | $2,315 | 40 Indirect | · | Acquired | 717.0% (price as of 2026-10-02) |
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) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.