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DIOD SEC Filing News — Diodes Incorporated

Latest SEC filings for Diodes Incorporated (DIOD) explained in plain English: insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). Sourced directly from SEC EDGAR.

What you’re looking at: Each item below is parsed from an actual SEC filing. Form 4 = confirmed insider transaction · Form 144 = proposed sale notice · 8-K = material event (earnings, M&A, leadership change, etc.) · 10-Q / 10-K = quarterly / annual report.
Form 4 Insider Selling 2026-06-01

DIOD insider Tang Francis (Chief Technology Officer) sold 15,330 shares (~$1.72M)

Tang Francis, listed as Chief Technology Officer at DIODES INC /DEL/, reported an open-market sale of 15,330 DIOD shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Tang Francis (Chief Technology Officer) Shares: 15,330 Est. Value: $1.72M
Form 4 Insider Selling 2026-06-01

DIOD insider White Richard Dallas (Corporate Secretary) sold 3,000 shares (~$318.5K)

White Richard Dallas, listed as Corporate Secretary at DIODES INC /DEL/, reported an open-market sale of 3,000 DIOD shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: White Richard Dallas (Corporate Secretary) Shares: 3,000 Est. Value: $318.5K
Form 144 Proposed Insider Sale 2026-05-29

DIOD Form 144 filed for proposed insider sale by FRANCIS TANG (15,330 shares) ~$3.44M

FRANCIS TANG filed a Form 144 with the SEC indicating intent to sell DIOD (DIODES INC /DEL/) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: FRANCIS TANG Shares: 15,330 Est. Value: $3.44M
Form 144 Proposed Insider Sale 2026-05-29

DIOD Form 144 filed for proposed insider sale by White Richard Dallas (3,000 shares) ~$659.3K

White Richard Dallas filed a Form 144 with the SEC indicating intent to sell DIOD (DIODES INC /DEL/) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: White Richard Dallas Shares: 3,000 Est. Value: $659.3K
Form 4 Tax / Compensation Filing 2026-05-28

DIOD insider Form 4 filed for equity award, exercise, or tax withholding

LU KEH SHEW (Insider) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: LU KEH SHEW (Insider) Shares: 1,970
Form 4 Insider Selling 2026-05-27

DIOD insider Zhao Jin (President, Diodes Asia) sold 3,689 shares (~$394.2K)

Zhao Jin, listed as President, Diodes Asia at DIODES INC /DEL/, reported an open-market sale of 3,689 DIOD shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Zhao Jin (President, Diodes Asia) Shares: 3,689 Est. Value: $394.2K
Form 4 Insider Selling 2026-05-27

DIOD insider Tsong Andy (SVP Worldwide Products Group) sold 1,582 shares (~$169.2K)

Tsong Andy, listed as SVP Worldwide Products Group at DIODES INC /DEL/, reported an open-market sale of 1,582 DIOD shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Tsong Andy (SVP Worldwide Products Group) Shares: 1,582 Est. Value: $169.2K
Form 4 Insider Selling 2026-05-27

DIOD insider Yang Emily (SVP Worldwide Sales/Marketing) sold 5,000 shares (~$545.3K)

Yang Emily, listed as SVP Worldwide Sales/Marketing at DIODES INC /DEL/, reported an open-market sale of 5,000 DIOD shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Yang Emily (SVP Worldwide Sales/Marketing) Shares: 5,000 Est. Value: $545.3K
Form 4 Insider Selling 2026-05-27

DIOD insider Tang Francis (Chief Technology Officer) sold 9,137 shares (~$997.2K)

Tang Francis, listed as Chief Technology Officer at DIODES INC /DEL/, reported an open-market sale of 9,137 DIOD shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Tang Francis (Chief Technology Officer) Shares: 9,137 Est. Value: $997.2K
Form 4 Insider Selling 2026-05-27

DIOD insider Yu Gary (Director, President and CEO) sold 3,632 shares (~$399.8K)

Yu Gary, listed as Director, President and CEO at DIODES INC /DEL/, reported an open-market sale of 3,632 DIOD shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

Filing: Form 4 (Insider Transaction) Insider: Yu Gary (Director, President and CEO) Shares: 3,632 Est. Value: $399.8K
Form 144 Proposed Insider Sale 2026-05-27

DIOD Form 144 filed for proposed insider sale by EMILY S YANG (3,000 shares) ~$660.5K

EMILY S YANG filed a Form 144 with the SEC indicating intent to sell DIOD (DIODES INC /DEL/) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: EMILY S YANG Shares: 3,000 Est. Value: $660.5K
Form 144 Proposed Insider Sale 2026-05-27

DIOD Form 144 filed for proposed insider sale by FRANCIS TANG (5,000 shares) ~$1.10M

FRANCIS TANG filed a Form 144 with the SEC indicating intent to sell DIOD (DIODES INC /DEL/) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: FRANCIS TANG Shares: 5,000 Est. Value: $1.10M
Form 144 Proposed Insider Sale 2026-05-27

DIOD Form 144 filed for proposed insider sale by GARY YU (3,632 shares) ~$799.6K

GARY YU filed a Form 144 with the SEC indicating intent to sell DIOD (DIODES INC /DEL/) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: GARY YU Shares: 3,632 Est. Value: $799.6K
Form 144 Proposed Insider Sale 2026-05-26

DIOD Form 144 filed for proposed insider sale by JIN ZHAO (3,689 shares) ~$788.4K

JIN ZHAO filed a Form 144 with the SEC indicating intent to sell DIOD (DIODES INC /DEL/) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: JIN ZHAO Shares: 3,689 Est. Value: $788.4K
Form 144 Proposed Insider Sale 2026-05-26

DIOD Form 144 filed for proposed insider sale by FRANCIS TANG (4,137 shares) ~$893.6K

FRANCIS TANG filed a Form 144 with the SEC indicating intent to sell DIOD (DIODES INC /DEL/) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: FRANCIS TANG Shares: 4,137 Est. Value: $893.6K
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