Warren Chen
CIK 1812946 · View on SEC EDGAR ↗
Insider
First SEC filing: May 26, 2020 · Latest: May 26, 2020
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 non-open-market transactions below
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 13, 2025 | DIOD | A | 3,000 | — | — | 10,140 Direct | +42.02% | Acquired | (price as of 2026-08-19) |
| Nov. 20, 2024 | DIOD | G | 7,500 | — | — | 7,140 Direct | -51.23% | Disposed | (price as of 2026-08-19) |
| May 30, 2024 | DIOD | A | 3,000 | — | — | 14,640 Direct | +25.77% | Acquired | (price as of 2026-08-19) |
| May 24, 2023 | DIOD | A | 3,000 | — | — | 11,640 Direct | +34.72% | Acquired | (price as of 2026-08-19) |
| May 26, 2022 | DIOD | A | 2,520 | — | — | 8,640 Direct | +41.18% | Acquired | (price as of 2026-08-19) |
| May 24, 2021 | DIOD | A | 2,520 | — | — | 6,120 Direct | +70.00% | Acquired | (price as of 2026-08-19) |
| May 18, 2020 | DIOD | A | 3,600 | — | — | 3,600 Direct | — | Acquired | (price as of 2026-08-19) |
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) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 26, 2020 | DIOD | Diodes Incorporated Common Stock | 0 | Direct |