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 director Keh-Shew Lu reported open-market sales of company stock. On 11/12/2025, a Lu family trust sold 3,905 shares of Diodes Incorporated common stock at a weighted average price of $47.3972 per share, and the Lu Grandchildren's Trust sold 2,095 shares at a weighted average price of $47.4552 per share. After these transactions, the Lu Grandchildren's Trust held 271,886 shares indirectly, and Texastac Investments, LP held 244,397 shares indirectly. Additional indirect holdings include 104,625 shares held directly, 46,150 shares in custodial accounts for minor grandchildren, 6,000 shares in The Lu Family Foundation, 4,700 shares in The Lu 2017 Irrevocable Trust, and 92,000 performance stock units held directly.
Diodes Incorporated (DIOD) reported Q3 2025 results. Net sales reached $392.2 million, up 12% year over year, led by strong demand in computing, including AI server, data center, and edge applications. Gross profit was $120.5 million with a gross margin of 30.7%, down from 33.7% a year ago as product mix and lower market pricing weighed on margins. Net income attributable to common stockholders was $14.3 million, or $0.31 per diluted share.
Management noted broad-based growth with the strongest point-of-sale in Asia and continued channel inventory normalization. Operating cash flow for the quarter was $79.1 million; capital expenditures were $16.3 million, and net cash flow was $59.3 million. As of September 30, 2025, cash, cash equivalents, and short-term investments totaled $386.4 million, and the company had access to an undrawn $225.0 million revolving credit facility. Year to date, operating cash flow was $177.4 million, supported by inventory reductions and working capital discipline.
Diodes Incorporated furnished an 8-K announcing it issued a press release with financial results for the third quarter ended September 30, 2025. The company also furnished updated investor materials.
The release uses certain non-GAAP measures with reconciliations provided in Exhibit 99.1. A business outlook update is included under Regulation FD in the same press release, and additional materials are provided in Exhibits 99.2 and 99.3. The information in Items 2.02 and 7.01 is furnished, not filed, under the Exchange Act.
Diodes Incorporated announced it will host a conference call on November 6, 2025 at 4:00 p.m. Central Time (5:00 p.m. Eastern Time) to discuss its third quarter 2025 financial results. The disclosure was made under Regulation FD, and a related press release is furnished as Exhibit 99.1. The information in this item is furnished, not filed, under the Exchange Act.
Form 144 filing by an insider of Diodes Inc (DIOD) discloses a proposed sale of 1,000 common shares for an aggregate market value of $56,360, to be sold approximately on 08/28/2025 on NASDAQ. The filer reports the shares were originally awarded as performance shares on 12/31/2020 and the acquisition/payment date is listed as 12/31/2020. The filing also records a prior sale of 1,000 common shares by Emily S Yang on 08/19/2025 for gross proceeds of $53,217.40. The filing includes the total shares outstanding of 46,442,735 and names Morgan Stanley Smith Barney LLC as the broker. The notice contains the standard insider representation regarding lack of undisclosed material information.
Insider sale by Diodes Inc officer. Emily Yang, SVP Worldwide Sales/Marketing and a director-level officer, reported selling 1,000 shares of Diodes Incorporated common stock on 08/28/2025 at $56.36 per share. After the reported sale she directly beneficially owned 59,479 shares. The filing also reports 23,100 performance stock units disposed of and indirect holdings including 584 shares held by the Oner Family Revocable Trust and 1,576 shares held in custodial accounts for the reporting person’s children, with a custodial disclaimer noted. The Form 4 was signed by Brett R. Whitmire as power of attorney for Emily Yang.
Insider transaction summary: Diodes Inc. CFO Brett R. Whitmire reported sales on 08/27/2025. He sold 2,000 shares of Diodes common stock at $55.895 per share and disposed of 23,100 performance stock units. After the reported transactions he beneficially owns 48,777 shares directly. The filing is a routine Form 4 disclosure of changes in beneficial ownership by an officer.
Diodes Inc (DIOD) Form 144 notice reports a proposed sale of 2,000 common shares through Morgan Stanley Smith Barney LLC Executive Financial Services, with an aggregate market value of $111,790.00. The filing lists the approximate date of sale as 08/27/2025 and shows 46,442,735 shares outstanding for the issuer.
The securities were acquired as performance shares from the issuer on 02/22/2022; payment is recorded as Not Applicable. The filer reports no securities sold in the past three months and signs the standard attestation that they are not aware of any undisclosed material adverse information about the issuer.
Emily Yang, SVP Worldwide Sales/Marketing at Diodes Incorporated (DIOD), reported an insider sale on 08/19/2025. The filing shows she disposed of 1,000 shares of Diodes common stock at $53.2174 per share, leaving 60,479 shares held directly after the sale. The report also lists 23,100 performance stock units and indirect holdings of 584 shares via the Oner Family Revocable Trust plus 1,576 shares held in custodial accounts for her children (which she disclaims as beneficial ownership). The Form 4 was signed by Brett R. Whitmire as Power of Attorney on 08/21/2025. The filing documents a routine insider disposition and discloses related indirect and custodial holdings.
Diodes Inc (DIOD) filed a Form 144 notifying the SEC of a proposed sale of 1,000 common shares through Morgan Stanley Smith Barney LLC on 08/19/2025 on NASDAQ. The filing states the shares were acquired as performance shares on 12/31/2020 from the issuer and were fully paid on that date. The aggregate market value of the shares at filing is reported as $53,217.40 and total shares outstanding are listed as 46,442,735. The filer reports no sales of the issuer's securities in the past three months and makes the standard representation that they are unaware of any undisclosed material adverse information.
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