14 insiders reported 98 Form 4 transactions for DIODES INC /DEL/ (DIOD) over the past 18 months (most recent 2026-06-01). Recent activity: Tang Francis (Chief Technology Officer) Sell 15,330 shares, White Richard Dallas (Corporate Secretary) Sell 1,000 shares, White Richard Dallas (Corporate Secretary) Sell 2,000 shares, Yang Emily (SVP Worldwide Sales/Marketing) Sell 2,000 shares, Yu Gary (President and CEO) Sell 300 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-01 | Tang Francis | Chief Technology Officer | Sell | 15,330 | $1.7M |
| 2026-06-01 | White Richard Dallas | Corporate Secretary | Sell | 1,000 | $104,480 |
| 2026-06-01 | White Richard Dallas | Corporate Secretary | Sell | 2,000 | $214,020 |
| 2026-05-21 | Yang Emily | SVP Worldwide Sales/Marketing | Sell | 2,000 | $193,620 |
| 2026-05-21 | Yu Gary | President and CEO | Sell | 300 | $0 |
| 2026-05-19 | Yang Emily | SVP Worldwide Sales/Marketing | Sell | 2,000 | $202,930 |
| 2026-05-13 | Yu Gary | President and CEO | Buy | 3,000 | $0 |
| 2026-05-13 | Tang Francis | Chief Technology Officer | Sell | 3,643 | $393,444 |
| 2026-05-13 | Whitmire Brett R | CFO | Sell | 16,556 | $1.7M |
| 2026-05-13 | Chen Warren | Director | Buy | 3,000 | $0 |
| 2026-05-13 | Zhao Jin | President, Diodes Asia | Sell | 2,760 | $282,516 |
| 2026-05-13 | Chen Button Angie | Director | Buy | 6,000 | $0 |
| 2026-05-13 | RITTER PHILIP J | Director | Buy | 3,000 | $0 |
| 2026-05-13 | Tsong Andy | SVP Worldwide Products Group | Sell | 2,652 | $291,720 |
| 2026-05-13 | Bull Elizabeth | Director | Buy | 3,000 | $0 |
| 2026-05-13 | Su Huey-Jen Jenny | Director | Buy | 3,000 | $0 |
| 2026-02-26 | Yu Gary | President and CEO | Sell | 2,000 | $140,000 |
| 2026-02-26 | Yang Emily | SVP Worldwide Sales/Marketing | Sell | 2,154 | $150,543 |
| 2026-02-24 | LU KEH SHEW | Director | Sell | 46,734 | $3.2M |
| 2026-02-24 | LU KEH SHEW | Director | Sell | 64,266 | $4.4M |
| 2026-02-17 | Whitmire Brett R | CFO | Sell | 5,953 | $423,973 |
| 2026-02-17 | Tsong Andy | SVP Worldwide Products Group | Sell | 3,277 | $230,897 |
| 2026-02-17 | Yang Emily | SVP Worldwide Sales/Marketing | Sell | 1,000 | $71,890 |
| 2026-02-04 | Tsong Andy | SVP Worldwide Analog Products | Sell | 1,541 | $93,477 |
| 2026-02-04 | Tsong Andy | SVP Worldwide Analog Products | Buy | 18,000 | $0 |
Source: SEC Form 4 filings · as of 2026-06-01