Diodes Inc /Del/ (DIOD) Insider Ownership

Historic Ownership Trends

Through the 90-day period concluding December 12, 2025, Diodes's top three insider stakeholders include SVP Worldwide Sales/Marketing Emily Yang (61.05K shares), Cfo Brett R Whitmire (48.78K shares), SVP Worldwide Analog Products Andy Tsong (39.22K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Keh Shew Lu 349,022 28 May, 2025
C H Chen 123,629 26 May, 2021
Francis Tang SVP And Ww Discrete Products 88,616 26 Feb, 2025
Gary Yu President And CEO 83,911 28 May, 2025
Michael R Giordano 81,971 26 May, 2023
Emily Yang SVP Worldwide Sales/Marketing 61,055 28 Aug, 2025
Michael Kuo-Chih Tsai 50,265 31 May, 2022
Brett R Whitmire Cfo 48,777 28 Aug, 2025
Richard Dallas White Corporate Secretary 45,375 13 Mar, 2024
Andy Tsong SVP Worldwide Analog Products 39,222 02 Jul, 2025
Julie Holland 39,102 05 Feb, 2024
Jin Zhao President And Diodes Asia 35,926 26 Feb, 2025
Evan Yu 33,727 23 Feb, 2023
Wen-Chi Sung 27,240 03 Jun, 2024
Peter M Menard 18,050 30 May, 2024
Button Angie Chen 14,040 15 May, 2025
Warren Chen 10,140 15 May, 2025
Elizabeth Bull 9,000 15 May, 2025
Robert E Feiger 6,000 15 May, 2025
Huey-Jen Jenny Su 3,000 15 May, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
12 Nov, 2025 Keh Shew Lu Diodes Incorporated Common Stock D 3,905 $47.40 271,886 I S
12 Nov, 2025 Keh Shew Lu Diodes Incorporated Common Stock D 2,095 $47.46 244,397 I S
28 Aug, 2025 Emily Yang - - 59,479 D
28 Aug, 2025 Emily Yang Diodes Incorporated Common Stock D 1,000 $56.36 59,479 D S
27 Aug, 2025 Brett R Whitmire Diodes Incorporated Common Stock D 2,000 $55.90 48,777 D S
27 Aug, 2025 Brett R Whitmire - - 48,777 D
19 Aug, 2025 Emily Yang Diodes Incorporated Common Stock D 1,000 $53.22 60,479 D S
01 Jul, 2025 Andy Tsong Diodes Incorporated Common Stock D 320 $55.30 39,222 D F
01 Jul, 2025 Andy Tsong - - 39,222 D
27 May, 2025 Gary Yu Diodes Incorporated Common Stock D 183 $46.61 83,911 D F
27 May, 2025 Keh Shew Lu Diodes Incorporated Common Stock D 2,166 $46.61 104,625 D F
20 May, 2025 Emily Yang Diodes Incorporated Common Stock D 2,948 $0.00 61,479 D G
20 May, 2025 Emily Yang Diodes Incorporated Common Stock A 2,948 $0.00 2,948 I G
20 May, 2025 Emily Yang - - 2,948 I
21 May, 2025 Emily Yang - - 2,160 I
21 May, 2025 Emily Yang Diodes Incorporated Common Stock D 788 $0.00 2,160 I G
21 May, 2025 Emily Yang - - 584 I
21 May, 2025 Emily Yang Diodes Incorporated Common Stock D 1,576 $0.00 584 I G
21 May, 2025 Emily Yang - - 1,576 I
21 May, 2025 Emily Yang Diodes Incorporated Common Stock A 1,576 $0.00 1,576 I G