The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 29, 2026 | White Richard Dallas | Corporate Secretary | Sell(S) | 2K | $107.01 | $214K |
| May 29, 2026 | White Richard Dallas | Corporate Secretary | Sell(S) | 1K | $104.48 | $104K |
| May 29, 2026 | Tang Francis | Chief Technology Officer | Sell(S) | 15K | $112.04 | $1.7M |
| May 27, 2026 | Yu Gary | President and CEO, Director | Sell(S) | 4K | $110.08 | $400K |
| May 27, 2026 | Yang Emily | SVP Worldwide Sales/Marketing | Sell(S) | 3K | $110.08 | $330K |
| May 27, 2026 | Tang Francis | Chief Technology Officer | Sell(S) | 5K | $110.08 | $550K |
| May 26, 2026 | Lu Keh Shew | Insider | Tax withholding(F) | 2K | $108.24 | $213K |
| May 26, 2026 | Tsong Andy | SVP Worldwide Products Group | Sell(S) | 2K | $106.96 | $169K |
| May 26, 2026 | Yu Gary | President and CEO, Director | Tax withholding(F) | 592 | $108.24 | $64K |
| May 26, 2026 | Zhao Jin | President, Diodes Asia | Sell(S) | 4K | $106.86 | $394K |
| May 26, 2026 | Yang Emily | SVP Worldwide Sales/Marketing | Sell(S) | 2K | $107.52 | $215K |
| May 26, 2026 | Tang Francis | Chief Technology Officer | Sell(S) | 4K | $108.00 | $447K |
| May 20, 2026 | Yang Emily | SVP Worldwide Sales/Marketing | Sell(S) | 2K | $96.81 | $194K |
| May 19, 2026 | Yu Gary | President and CEO, Director | Gift(G) | 300 | — | $0 |
| May 15, 2026 | Yang Emily | SVP Worldwide Sales/Marketing | Sell(S) | 2K | $101.47 | $203K |
| May 13, 2026 | Whitmire Brett R | CFO | Sell(S) | 17K | $103.34 | $1.7M |
| May 12, 2026 | Zhao Jin | President, Diodes Asia | Sell(S) | 3K | $102.36 | $283K |
| May 12, 2026 | Tang Francis | Chief Technology Officer | Sell(S) | 4K | $108.00 | $393K |
| May 12, 2026 | Tsong Andy | SVP Worldwide Products Group | Sell(S) | 3K | $110.00 | $292K |
| May 11, 2026 | Ritter Philip J | Director | Grant(A) | 3K | — | $0 |
| May 11, 2026 | Su Huey-Jen Jenny | Director | Grant(A) | 3K | — | $0 |
| May 11, 2026 | Yu Gary | President and CEO, Director | Grant(A) | 3K | — | $0 |
| May 11, 2026 | Bull Elizabeth | Director | Grant(A) | 3K | — | $0 |
| May 11, 2026 | Chen Warren | Director | Grant(A) | 3K | — | $0 |
| May 11, 2026 | Chen Button Angie | Director | Grant(A) | 6K | — | $0 |
| Feb 24, 2026 | Yu Gary | President and CEO, Director | Sell(S) | 2K | $70.00 | $140K |
| Feb 24, 2026 | Yang Emily | SVP Worldwide Sales/Marketing | Sell(S) | 2K | $69.89 | $151K |
| Feb 20, 2026 | Lu Keh Shew | Director | Sell(S) | 47K | $67.78 | $3.2M |
| Feb 20, 2026 | Lu Keh Shew | Director | Sell(S) | 64K | $67.74 | $4.4M |
| Feb 13, 2026 | Tsong Andy | SVP Worldwide Products Group | Sell(S) | 3K | $70.46 | $231K |
| Feb 13, 2026 | Yang Emily | SVP Worldwide Sales/Marketing | Sell(S) | 1K | $71.89 | $72K |
| Feb 13, 2026 | Whitmire Brett R | CFO | Sell(S) | 6K | $71.22 | $424K |
| Feb 3, 2026 | Whitmire Brett R | CFO | Sell(S) | 830 | $60.85 | $51K |
| Feb 3, 2026 | Yang Emily | SVP Worldwide Sales/Marketing | Sell(S) | 950 | $60.85 | $58K |
| Feb 3, 2026 | Yu Gary | President and CEO, Director | Sell(S) | 3K | $60.85 | $176K |
| Feb 2, 2026 | Tsong Andy | SVP Worldwide Analog Products | Tax withholding(F) | 2K | $60.66 | $93K |
| Feb 2, 2026 | Lu Keh Shew | Director | Tax withholding(F) | 12K | $60.66 | $749K |
| Feb 2, 2026 | Tang Francis | Chief Technology Officer | Tax withholding(F) | 2K | $60.66 | $125K |
| Feb 2, 2026 | Whitmire Brett R | CFO | Tax withholding(F) | 3K | $60.66 | $170K |
| Feb 2, 2026 | Yang Emily | SVP Worldwide Sales/Marketing | Tax withholding(F) | 2K | $60.66 | $151K |
| Feb 2, 2026 | Yu Gary | President and CEO, Director | Tax withholding(F) | 1K | $60.66 | $81K |
| Feb 2, 2026 | Zhao Jin | President, Diodes Asia | Sell(S) | 525 | $59.19 | $31K |
| Feb 2, 2026 | Zhao Jin | President, Diodes Asia | Tax withholding(F) | 2K | $60.66 | $112K |
| Feb 1, 2026 | Tsong Andy | SVP Worldwide Analog Products | Grant(A) | 18K | — | $0 |
| Feb 1, 2026 | Tsong Andy | SVP Worldwide Analog Products | Grant(A) | 18K | — | $0 |
| Feb 1, 2026 | Tang Francis | Chief Technology Officer | Grant(A) | 13K | — | $0 |
| Feb 1, 2026 | Tang Francis | Chief Technology Officer | Grant(A) | 13K | — | $0 |
| Feb 1, 2026 | Whitmire Brett R | CFO | Grant(A) | 22K | — | $0 |
| Feb 1, 2026 | Whitmire Brett R | CFO | Grant(A) | 22K | — | $0 |
| Feb 1, 2026 | Yang Emily | SVP Worldwide Sales/Marketing | Grant(A) | 18K | — | $0 |
| Feb 1, 2026 | Yang Emily | SVP Worldwide Sales/Marketing | Grant(A) | 18K | — | $0 |
| Feb 1, 2026 | Yu Gary | President and CEO, Director | Grant(A) | 32K | — | $0 |
| Feb 1, 2026 | Yu Gary | President and CEO, Director | Grant(A) | 32K | — | $0 |
| Feb 1, 2026 | Zhao Jin | President, Diodes Asia | Grant(A) | 18K | — | $0 |
| Feb 1, 2026 | Zhao Jin | President, Diodes Asia | Grant(A) | 18K | — | $0 |
| Nov 12, 2025 | Lu Keh Shew | Director | Sell(S) | 4K | $47.40 | $185K |
| Nov 12, 2025 | Lu Keh Shew | Director | Sell(S) | 2K | $47.46 | $99K |
| Aug 28, 2025 | Yang Emily | SVP Worldwide Sales/Marketing | Sell(S) | 1K | $56.36 | $56K |
| Aug 27, 2025 | Whitmire Brett R | CFO | Sell(S) | 2K | $55.90 | $112K |
| Aug 19, 2025 | Yang Emily | SVP Worldwide Sales/Marketing | Sell(S) | 1K | $53.22 | $53K |
| Jul 1, 2025 | Tsong Andy | SVP Worldwide Analog Products | Tax withholding(F) | 320 | $55.30 | $18K |
| May 27, 2025 | Lu Keh Shew | Director | Tax withholding(F) | 2K | $46.61 | $101K |
| May 27, 2025 | Yu Gary | President and CEO, Director | Tax withholding(F) | 183 | $46.61 | $9K |
| May 21, 2025 | Yang Emily | SVP Worldwide Sales/Marketing | Gift(G) | 2K | — | $0 |
| May 21, 2025 | Yang Emily | SVP Worldwide Sales/Marketing | Gift(G) | 788 | — | $0 |
| May 21, 2025 | Yang Emily | SVP Worldwide Sales/Marketing | Gift(G) | 2K | — | $0 |
| May 20, 2025 | Yang Emily | SVP Worldwide Sales/Marketing | Gift(G) | 3K | — | $0 |
| May 20, 2025 | Yang Emily | SVP Worldwide Sales/Marketing | Gift(G) | 3K | — | $0 |
| May 13, 2025 | Chen Warren | Director | Grant(A) | 3K | — | $0 |
| May 13, 2025 | Su Huey-Jen Jenny | Director | Grant(A) | 3K | — | $0 |
| May 13, 2025 | Bull Elizabeth | Director | Grant(A) | 3K | — | $0 |
| May 13, 2025 | Chen Button Angie | Director | Grant(A) | 3K | — | $0 |
| May 13, 2025 | Feiger Robert E | Director | Grant(A) | 3K | — | $0 |
| May 13, 2025 | Yu Gary | President and CEO, Director | Grant(A) | 2K | — | $0 |
| May 13, 2025 | Yu Gary | President and CEO, Director | Grant(A) | 3K | — | $0 |
| May 13, 2025 | Lu Keh Shew | Director | Grant(A) | 3K | — | $0 |
| Apr 1, 2025 | Tsong Andy | SVP Worldwide Analog Products | Tax withholding(F) | 320 | $43.08 | $14K |
| Feb 24, 2025 | Whitmire Brett R | CFO | Tax withholding(F) | 748 | $54.26 | $41K |
| Feb 24, 2025 | Yang Emily | SVP Worldwide Sales/Marketing | Tax withholding(F) | 680 | $54.26 | $37K |
| Feb 24, 2025 | Lu Keh Shew | CEO, Director | Tax withholding(F) | 3K | $54.26 | $171K |
| Feb 24, 2025 | Tang Francis | SVP, WW Discrete Products | Tax withholding(F) | 463 | $54.26 | $25K |
| Feb 24, 2025 | Yu Gary | President, Director | Tax withholding(F) | 518 | $54.26 | $28K |
| Feb 24, 2025 | Zhao Jin | President, Diodes Asia | Tax withholding(F) | 244 | $54.26 | $13K |
| Feb 4, 2025 | Whitmire Brett R | CFO | Sell(S) | 830 | $56.04 | $47K |
| Feb 4, 2025 | Yu Gary | President, Director | Sell(S) | 3K | $56.04 | $163K |
| Feb 4, 2025 | Yang Emily | SVP Worldwide Sales/Marketing | Sell(S) | 950 | $56.04 | $53K |
| Feb 3, 2025 | Zhao Jin | President, Diodes Asia | Grant(A) | 8K | — | $0 |
| Feb 3, 2025 | Zhao Jin | President, Diodes Asia | Tax withholding(F) | 1K | $56.45 | $76K |
| Feb 3, 2025 | Zhao Jin | President, Diodes Asia | Grant(A) | 8K | — | $0 |
| Feb 3, 2025 | Whitmire Brett R | CFO | Grant(A) | 8K | — | $0 |
| Feb 3, 2025 | Whitmire Brett R | CFO | Grant(A) | 8K | — | $0 |
| Feb 3, 2025 | Whitmire Brett R | CFO | Tax withholding(F) | 2K | $56.45 | $113K |
| Feb 3, 2025 | Tsong Andy | SVP Worldwide Analog Products | Grant(A) | 8K | — | $0 |
| Feb 3, 2025 | Tsong Andy | SVP Worldwide Analog Products | Tax withholding(F) | 1K | $56.45 | $59K |
| Feb 3, 2025 | Tsong Andy | SVP Worldwide Analog Products | Grant(A) | 8K | — | $0 |
| Feb 3, 2025 | Yu Gary | President, Director | Grant(A) | 22K | — | $0 |
| Feb 3, 2025 | Yu Gary | President, Director | Grant(A) | 22K | — | $0 |
| Feb 3, 2025 | Yu Gary | President, Director | Tax withholding(F) | 2K | $56.45 | $112K |
| Feb 3, 2025 | Lu Keh Shew | CEO, Director | Grant(A) | 25K | — | $0 |
| Feb 3, 2025 | Lu Keh Shew | CEO, Director | Grant(A) | 25K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-03-29 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).