Welcome to our dedicated page for Diodes SEC filings (Ticker: DIOD), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The SEC filings page for Diodes Incorporated (Nasdaq: DIOD) provides access to the company’s official regulatory disclosures. As a public semiconductor manufacturer serving automotive, industrial, computing, consumer electronics, and communications markets, Diodes uses its filings to report financial performance, business outlook, and other material information.
Investors can review Form 8‑K current reports in which Diodes furnishes quarterly earnings press releases, non-GAAP reconciliations, and corporate presentation slides. These filings explain how the company uses non-GAAP measures such as adjusted net income and EBITDA to supplement GAAP results and to help investors evaluate operating performance over time. 8‑K filings also cover announcements of upcoming earnings calls and provide access to presentation materials used with customers, suppliers, and investors.
Through this page, users can track quarterly and annual reports (Forms 10‑Q and 10‑K when available), which typically include segment and end-market discussions, details on research and development and operating expenses, and commentary on risks and opportunities relevant to Diodes’ analog, power, and discrete semiconductor portfolio.
Stock Titan enhances these documents with AI-powered summaries that highlight key points, such as revenue trends, margin dynamics, non-GAAP adjustments, and management’s stated outlook. Real-time updates from EDGAR help ensure that new filings appear promptly, while specialized views make it easier to locate information on topics like non-GAAP metrics and business outlook disclosures. For users analyzing DIOD, this page offers a structured way to read, compare, and interpret Diodes Incorporated’s SEC reporting history.
Diodes Incorporated has called a fully virtual annual stockholders meeting for May 11, 2026, to be held via live audio webcast at proxydocs.com/DIOD. Stockholders of record as of March 12, 2026 may vote.
They will elect seven directors, hold an advisory vote on executive compensation, and vote on ratifying PricewaterhouseCoopers LLP as independent auditor for the year ending December 31, 2026. The Board recommends voting “FOR” all nominees, “FOR” the executive pay resolution, and “FOR” the PwC ratification. The proxy also details ownership of 46,006,563 outstanding common shares, board committee structures, governance and risk-oversight practices, stock ownership and clawback policies, and director compensation in cash retainers and restricted stock units.
Diodes Inc ownership update: The Vanguard Group amended its Schedule 13G/A to report 0 shares of Diodes Inc common stock, representing 0% of the class after an internal realignment effective January 12, 2026.
The filing states certain Vanguard subsidiaries and business divisions now report beneficial ownership separately in reliance on SEC Release No. 34-39538; the amendment is signed by Ashley Grim on 03/26/2026.
Diodes Incorporated reported a change in its independent auditor. On March 5, 2026, the Audit Committee dismissed Baker Tilly US, LLP as the company’s independent registered public accounting firm, effective immediately, and later received Baker Tilly’s confirming letter to the SEC filed as an exhibit.
The company states that for the fiscal years ended December 31, 2025 and 2024, and through March 5, 2026, Baker Tilly’s audit reports contained no adverse opinions or disclaimers and were not qualified or modified. Diodes also reports no disagreements with Baker Tilly on accounting, disclosure, or audit scope and no reportable events under SEC rules.
The Audit Committee approved the engagement of PricewaterhouseCoopers LLP (PwC) as the new independent registered public accounting firm for the fiscal year ending December 31, 2026. Diodes notes it did not consult PwC during the past two fiscal years on accounting treatments, potential audit opinions, or any matters involving disagreements or reportable events.
Diodes Incorporated senior executive Emily Yang reported an open-market sale of company stock. As SVP of Worldwide Sales and Marketing, she sold 2,154 shares of Diodes Incorporated common stock at an average price of $69.8935 per share.
After this transaction, Yang directly holds 70,878 shares of common stock. She also has 32,100 performance stock units and indirect holdings of 584 shares through the Oner Family Revocable Trust and 1,576 shares in custodial accounts.
Diodes Incorporated President and CEO Gary Yu reported an open-market sale of 2,000 shares of Diodes Incorporated common stock at $70.00 per share on February 24, 2026. After this sale, he directly owned 109,671 common shares.
Yu also reported holdings of 76,000 performance stock units (PSUs). A footnote states that his beneficially owned amount decreased by 13,000 shares because the 2023 PSU Award had no settlement of shares, reflecting an adjustment to reported PSU-based ownership rather than a market transaction.
DIOD submitted a Form 144 reporting proposed sales of common stock by an affiliate. The filing lists two recent dispositions by Emily S. Yang: $71,891.30 for 02/13/2026 (1,000 shares) and $57,807.50 for 02/03/2026 (950 shares). The broker/dealer of record is Morgan Stanley Smith Barney LLC.
Gary Yu filed a notice to sell 2,000 restricted common shares.
The filing lists the securities as restricted stock dated 07/01/2021. The excerpt also shows a prior sale of 2,900 common shares on 02/03/2026 for $176,465. The broker/dealer listed is Morgan Stanley Smith Barney LLC.
Diodes Incorporated director Lu Keh Shew reported significant insider sales through affiliated entities. On 2026-02-20, Lu Grandchildren's Trust sold 46,734 Diodes common shares at a weighted average price of $67.7846, and Texastac Investments, LP sold 64,266 shares at a weighted average price of $67.7381.
Footnotes state these were multiple open-market trades in a price range from $65.53 to $68.995. After these transactions, Lu Grandchildren's Trust held 225,152 shares and Texastac Investments, LP held 180,131 shares. Separately, Lu Keh Shew reported direct ownership of 92,275 common shares and 50,000 performance stock units, plus smaller indirect holdings of 6,000 shares in The Lu Family Foundation and 4,700 shares in The Lu 2017 Irrevocable Trust.