Diodes Inc SEC Filings

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.

Diodes Incorporated held an earnings conference call during which CEO Gary Yu, CFO Brett R. Whitmire, Senior VP Worldwide Sales and Marketing Emily Yang and Director of Investor Relations Gurmeet Dhaliwal reviewed the company’s second quarter 2025 results. A recording is posted at www.diodes.com and a transcript is furnished as Exhibit 99.1 to this Report. Management explained and used non-GAAP measures to supplement GAAP results and directed investors to the company’s press release for reconciliations. The materials provided are furnished for disclosure purposes and are not treated as "filed" under Section 18 nor incorporated by reference into other filings unless expressly stated.