Tzonz-Sheng Chang
CIK 2113710 · View on SEC EDGAR ↗
Insider
First SEC filing: March 18, 2026 · Latest: June 9, 2026
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Insider at
Insider transactions
5 buys (P)
0 sells (S)
Net:
$19,871
+ 2 non-open-market transactions below
Avg return of open purchases vs now:
497.1%
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
2 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 7, 2026 | TSM | P | 54 | $73.31 | $3,959 | 5,428 Indirect | +1.00% | Acquired | 473.2% (price as of 2026-08-21) |
| July 7, 2026 | TSM | P | 52 | $76.62 | $3,984 | 5,374 Indirect | +0.98% | Acquired | 448.4% (price as of 2026-08-21) |
| June 5, 2026 | TSM | P | 53 | $76.01 | $4,029 | 5,322 Indirect | +1.01% | Acquired | 452.8% (price as of 2026-08-21) |
| May 8, 2026 | TSM | P | 56 | $71.82 | $4,022 | 5,269 Indirect | +1.07% | Acquired | 485.1% (price as of 2026-08-21) |
| April 9, 2026 | TSM | P | 67 | $57.87 | $3,877 | 5,213 Indirect | +1.30% | Acquired | 626.1% (price as of 2026-08-21) |
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) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.