Form 4: Diodes Director Sells Shares Under Pre-Arranged Plan

Diodes Inc. Director Keh-Shew Lu sold 6,000 shares of common stock for approximately $284,500 through pre-planned transactions.

Summary

• Keh-Shew Lu, a Director of Diodes Inc. (DIOD), reported the sale of 6,000 shares of common stock.
• The transactions occurred on November 12, 2025, under a Rule 10b5-1 pre-arranged trading plan.
• 3,905 shares were sold from the Lu Grandchildren's Trust at a weighted average price of $47.3972 per share, totaling approximately $185,100.
• 2,095 shares were sold from Texastac Investments, LP at a weighted average price of $47.4552 per share, totaling approximately $99,390.
• Following these transactions, Mr. Lu beneficially owns 104,625 shares directly, 271,886 shares indirectly through the Lu Grandchildren's Trust, 244,397 shares indirectly through Texastac Investments, LP, 46,150 shares indirectly as custodian for minor grandchildren (disclaiming ownership), 6,000 shares indirectly through The Lu Family Foundation, 4,700 shares indirectly through The Lu 2017 Irrevocable Trust, and 92,000 Performance Stock Units directly.

Sentiment

Score: 5

Explanation: Neutral. The sale of shares by a director, while a reduction in insider holdings, was conducted under a pre-arranged 10b5-1 plan, which mitigates the negative signal typically associated with insider selling. The amount sold is also a relatively small portion of the director's total beneficial ownership.

Positives

• The sales were conducted under a Rule 10b5-1 trading plan, indicating they were pre-scheduled and not necessarily a reaction to new, negative information.

Negatives

• Insider selling, even under a 10b5-1 plan, can sometimes be perceived as a lack of confidence, though the amount sold is a small fraction of total holdings.

Future Outlook

NA

Industry Context

NA

Stakeholder Impact

• Shareholders: May view the insider sale with slight caution, though the 10b5-1 plan reduces concern. The overall impact is likely minimal given the transaction size relative to total holdings.

Key Dates

Keywords

Diodes Inc, DIOD, Insider Trading, Form 4, Stock Sale, Keh-Shew Lu, Director, 10b5-1 Plan, Beneficial Ownership