Tung Cheo Lee
CIK 1436732 · View on SEC EDGAR ↗
First SEC filing: June 3, 2008 · Latest: June 3, 2008
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 6, 2008 | DIOD | S | 938 | $13.46 | $12,625 | 9,375 Direct | -9.10% | Disposed | 588.9% (price as of 2026-08-20) |
| June 24, 2008 | DIOD | S | 697 | $28.79 | $20,067 | 8,303 Direct | -7.74% | Disposed | 222.1% (price as of 2026-08-20) |
| June 24, 2008 | DIOD | S | 200 | $28.79 | $5,758 | 8,103 Direct | -2.41% | Disposed | 222.1% (price as of 2026-08-20) |
| June 24, 2008 | DIOD | S | 562 | $28.80 | $16,186 | 7,541 Direct | -6.94% | Disposed | 221.9% (price as of 2026-08-20) |
| June 24, 2008 | DIOD | S | 41 | $28.81 | $1,181 | 7,500 Direct | -0.54% | Disposed | 221.8% (price as of 2026-08-20) |
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.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| May 28, 2009 | DIOD | Common Stock (Right-to-Buy) | Diodes Inc. Common Stock (30,000) | $15.05 | May 28, 2019 | 30,000 | Acquired |
| May 29, 2008 | DIOD | Common Stock (Right-to-buy) | Diodes Inc. Common Stock (9,000) | $27.95 | May 29, 2018 | 9,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 3, 2008 | DIOD | Diodes Inc. Common Stock | 6,000 | Direct |