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DIOD Insider Trading

Insider Ownership Percentage: 1.90%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $714,947.20

Diodes Insider Trading History Chart

This chart shows the insider buying and selling history at Diodes by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Diodes Share Price & Price History

Current Price: $51.69
Price Change: ▲ Price Increase of +0.36 (0.70%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for DIOD up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Diodes Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/12/2025Keh Shew LuDirectorSell6,000$47.42$284,520.00244,397View SEC Filing Icon  
8/28/2025Emily YangSVPSell1,000$56.36$56,360.0059,479View SEC Filing Icon  
8/27/2025Brett R WhitmireCFOSell2,000$55.90$111,800.0048,777View SEC Filing Icon  
2/4/2025Brett R WhitmireCFOSell830$56.04$46,513.2051,525View SEC Filing Icon  
2/4/2025Emily YangSVPSell950$56.04$53,238.0065,107View SEC Filing Icon  
2/4/2025Gary YuPresidentSell2,900$56.04$162,516.0079,697View SEC Filing Icon  
8/30/2024Emily YangSVPSell1,000$70.48$70,480.0059,820View SEC Filing Icon  
8/29/2024Brett R WhitmireCFOSell1,900$69.99$132,981.0046,365View SEC Filing Icon  
8/26/2024Emily YangSVPSell1,272$72.16$91,787.5229,028View SEC Filing Icon  
8/19/2024Keh Shew LuCEOSell20,010$67.25$1,345,672.50246,492View SEC Filing Icon  
5/29/2024Peter M. MenardDirectorSell630$71.96$45,334.8018,050View SEC Filing Icon  
5/22/2024Keh Shew LuCEOSell15,000$75.30$1,129,500.0087,331View SEC Filing Icon  
5/20/2024Keh Shew LuCEOSell6,000$73.93$443,580.00102,996View SEC Filing Icon  
5/16/2024Keh Shew LuCEOSell9,000$72.70$654,300.00110,496View SEC Filing Icon  
2/29/2024Keh Shew LuCEOSell3,000$68.14$204,420.00256,492View SEC Filing Icon  
2/28/2024Brett R WhitmireCFOSell3,400$67.30$228,820.0048,265View SEC Filing Icon  
2/26/2024Keh Shew LuCEOSell12,000$68.78$825,360.00262,492View SEC Filing Icon  
2/22/2024Keh Shew LuCEOSell6,000$68.98$413,880.00274,492View SEC Filing Icon  
2/20/2024Keh Shew LuCEOSell1,500$68.06$102,090.00281,992View SEC Filing Icon  
8/30/2023Gary YuCOOSell2,700$80.96$218,592.0039,296View SEC Filing Icon  
8/23/2023Andy TsongInsiderSell1,988$82.50$164,010.0030,575View SEC Filing Icon  
8/23/2023Gary YuCOOSell3,300$82.62$272,646.0041,996View SEC Filing Icon  
6/1/2023Peter M. MenardDirectorSell630$96.37$60,713.1018,680View SEC Filing Icon  
5/30/2023Emily YangSVPSell3,747$96.56$361,810.3259,071View SEC Filing Icon  
5/30/2023Keh Shew LuCEOSell3,000$97.00$291,000.00283,492View SEC Filing Icon  
5/30/2023Richard Dallas WhiteInsiderSell2,000$96.37$192,740.0045,375View SEC Filing Icon  
5/26/2023Gary YuCOOSell1,000$96.50$96,500.0045,296View SEC Filing Icon  
5/26/2023Jin ZhaoSVPSell1,125$94.88$106,740.0023,178View SEC Filing Icon  
5/26/2023Keh Shew LuCEOSell3,000$96.40$289,200.00286,492View SEC Filing Icon  
5/22/2023Gary YuCOOSell1,000$95.07$95,070.0046,296View SEC Filing Icon  
5/22/2023Keh Shew LuCEOSell3,683$95.74$352,610.426,000View SEC Filing Icon  
5/19/2023Keh Shew LuCEOSell24,000$94.68$2,272,320.008,683View SEC Filing Icon  
5/18/2023Brett R WhitmireCFOSell1,819$93.23$169,585.3747,972View SEC Filing Icon  
5/17/2023Emily YangSVPSell1,635$93.36$152,643.6064,436View SEC Filing Icon  
5/17/2023Keh Shew LuCEOSell5,000$93.04$465,200.0046,183View SEC Filing Icon  
5/16/2023Gary YuCOOSell2,000$90.21$180,420.0048,296View SEC Filing Icon  
3/16/2023Michael R. GiordanoDirectorSell10,000$90.00$900,000.0078,971View SEC Filing Icon  
2/27/2023Emily YangSVPSell2,913$92.05$268,141.6566,071View SEC Filing Icon  
2/22/2023Julie HollandSVPSell8,075$88.71$716,333.2543,702View SEC Filing Icon  
2/16/2023Brett R WhitmireCFOSell1,989$95.02$188,994.7829,704View SEC Filing Icon  
2/16/2023Emily YangSVPSell1,000$95.12$95,120.0044,542View SEC Filing Icon  
2/14/2023Keh Shew LuCEOSell5,000$97.00$485,000.00121,988View SEC Filing Icon  
2/10/2023Julie HollandSVPSell30,600$92.97$2,844,882.0018,400View SEC Filing Icon  
2/9/2023Keh Shew LuCEOSell2,000$96.30$192,600.00126,988View SEC Filing Icon  
2/7/2023Keh Shew LuCEOSell1,000$96.00$96,000.00128,988View SEC Filing Icon  
2/2/2023Brett R WhitmireCFOSell380$93.72$35,613.6031,693View SEC Filing Icon  
2/2/2023Evan YuSVPSell10,000$95.50$955,000.0045,900View SEC Filing Icon  
2/1/2023Keh Shew LuCEOSell16,000$92.50$1,480,000.00138,988View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Diodes (NASDAQ:DIOD)

99.23% of Diodes stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at DIOD by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Diodes Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/24/2025CIBC Private Wealth Group LLC1,842$98K0.0%+92,000.0%0.004%Search for SEC Filing on Google Icon
11/21/2025CIBC Bancorp USA Inc.4,894$0.26M0.0%N/A0.011%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co41,888$2.21M0.0%-3.7%0.090%Search for SEC Filing on Google Icon
11/17/2025PharVision Advisers LLC4,548$0.24M0.1%N/A0.010%Search for SEC Filing on Google Icon
11/17/2025Voloridge Investment Management LLC167,774$8.93M0.0%-38.9%0.362%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC28,780$1.53M0.0%-53.2%0.062%Search for SEC Filing on Google Icon
11/17/2025Quarry LP740$39K0.0%N/A0.002%Search for SEC Filing on Google Icon
11/17/2025Mariner LLC11,162$0.59M0.0%+16.6%0.024%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV6,006$0.32M0.0%+24.3%0.013%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC5,476$0.29M0.0%-69.2%0.012%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.22,561$1.20M0.0%-15.1%0.049%Search for SEC Filing on Google Icon
11/17/2025Jain Global LLC76,142$4.05M0.0%-3.9%0.164%Search for SEC Filing on Google Icon
11/17/2025Holocene Advisors LP23,505$1.25M0.0%-53.1%0.051%Search for SEC Filing on Google Icon
11/17/2025Earnest Partners LLC1,085,173$57.74M0.3%-5.2%2.339%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP6,846$0.36M0.0%-19.8%0.015%Search for SEC Filing on Google Icon
11/17/2025Bridgefront Capital LLC8,804$0.47M0.1%N/A0.019%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE388,716$20.68M0.0%-6.9%0.838%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC16,710$0.89M0.0%-13.0%0.036%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.363,836$19.36M0.0%-9.5%0.784%Search for SEC Filing on Google Icon
11/14/2025Creative Planning56,476$3.01M0.0%+17.6%0.122%Search for SEC Filing on Google Icon
11/14/2025Lazard Asset Management LLC220,951$11.76M0.0%+671.4%0.476%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.81,972$4.36M0.0%-10.0%0.177%Search for SEC Filing on Google Icon
11/14/2025Amundi16,587$0.88M0.0%+2.2%0.036%Search for SEC Filing on Google Icon
11/14/2025Man Group plc20,770$1.11M0.0%+39.6%0.045%Search for SEC Filing on Google Icon
11/14/2025Hotchkis & Wiley Capital Management LLC133,867$7.12M0.0%-17.8%0.289%Search for SEC Filing on Google Icon
11/14/2025Occudo Quantitative Strategies LP4,842$0.26M0.0%N/A0.010%Search for SEC Filing on Google Icon
11/14/2025Horizon Investments LLC10,834$0.58M0.0%N/A0.023%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC84,508$4.50M0.0%-41.3%0.182%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP41,480$2.21M0.0%-20.2%0.089%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank32,251$1.72M0.0%-4.4%0.070%Search for SEC Filing on Google Icon
11/14/2025Glenmede Investment Management LP222,626$11.85M0.1%-5.9%0.480%Search for SEC Filing on Google Icon
11/13/2025Boston Partners37,629$2M0.0%-5.3%0.081%Search for SEC Filing on Google Icon
11/13/2025Kennedy Capital Management LLC145,176$7.73M0.2%-4.6%0.313%Search for SEC Filing on Google Icon
11/13/2025Arrowstreet Capital Limited Partnership705,117$37.52M0.0%N/A1.520%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.519,013$27.62M0.0%+183.0%1.119%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.66,487$3.54M0.0%-14.1%0.143%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG70,713$3.76M0.0%+85.0%0.152%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets12,182$0.65M0.0%-87.4%0.026%Search for SEC Filing on Google Icon
11/13/2025Barrow Hanley Mewhinney & Strauss LLC1,280,905$68.16M0.2%-5.6%2.761%Search for SEC Filing on Google Icon
11/13/2025Mackenzie Financial Corp5,855$0.31M0.0%N/A0.013%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.31,833$1.69M0.0%N/A0.069%Search for SEC Filing on Google Icon
11/13/2025Quadrant Capital Group LLC2,874$0.15M0.0%N/A0.006%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc120,189$6.40M0.0%-5.0%0.259%Search for SEC Filing on Google Icon
11/13/2025Swiss National Bank89,900$4.78M0.0%+1.4%0.194%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.65,405$3.48M0.0%-10.7%0.141%Search for SEC Filing on Google Icon
11/13/2025Dynamic Technology Lab Private Ltd6,290$0.34M0.1%N/A0.014%Search for SEC Filing on Google Icon
11/13/2025Natixis Advisors LLC20,185$1.07M0.0%+9.5%0.044%Search for SEC Filing on Google Icon
11/13/2025First Trust Advisors LP40,586$2.16M0.0%-37.0%0.087%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC64,651$3.44M0.0%-26.3%0.139%Search for SEC Filing on Google Icon
11/12/2025Pitcairn Co.5,091$0.27M0.0%-16.2%0.011%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP2,430,935$129.35M0.0%+0.2%5.234%Search for SEC Filing on Google Icon
11/12/2025Teachers Retirement System of The State of Kentucky13,126$0.70M0.0%-4.8%0.028%Search for SEC Filing on Google Icon
11/12/2025Victory Capital Management Inc.50,903$2.71M0.0%-6.8%0.110%Search for SEC Filing on Google Icon
11/12/2025William Blair Investment Management LLC521,825$27.77M0.1%-5.7%1.124%Search for SEC Filing on Google Icon
11/12/2025American Century Companies Inc.319,019$16.98M0.0%-2.0%0.687%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC15,815$0.84M0.0%-27.7%0.034%Search for SEC Filing on Google Icon
11/12/2025US Bancorp DE25,658$1.37M0.0%-2.6%0.055%Search for SEC Filing on Google Icon
11/10/2025MAI Capital Management685$36K0.0%+150.0%0.001%Search for SEC Filing on Google Icon
11/10/2025Ameritas Investment Partners Inc.3,942$0.21M0.0%-17.4%0.008%Search for SEC Filing on Google Icon
11/10/2025Tredje AP fonden15,233$0.81M0.0%+68.7%0.033%Search for SEC Filing on Google Icon
11/7/2025Hodges Capital Management Inc.36,994$1.97M0.2%N/A0.080%Search for SEC Filing on Google Icon
11/7/2025First National Bank of Omaha41,752$2.22M0.1%N/A0.090%Search for SEC Filing on Google Icon
11/7/2025Zions Bancorporation National Association UT31,765$1.69M0.1%-12.8%0.068%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.5,988,256$318.64M0.0%+0.8%12.894%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.464,429$24.71M0.0%+49.6%1.000%Search for SEC Filing on Google Icon
11/7/2025PNC Financial Services Group Inc.7,178$0.38M0.0%+29.3%0.015%Search for SEC Filing on Google Icon
11/6/2025Public Sector Pension Investment Board181,173$9.64M0.0%+14.5%0.390%Search for SEC Filing on Google Icon
11/6/2025Illinois Municipal Retirement Fund25,099$1.34M0.0%+15.8%0.054%Search for SEC Filing on Google Icon
11/6/2025LSV Asset Management4,600$0.25M0.0%N/A0.010%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers146,751$7.81M0.0%+0.3%0.316%Search for SEC Filing on Google Icon
11/6/2025Versor Investments LP14,400$0.77M0.1%N/A0.031%Search for SEC Filing on Google Icon
11/6/2025ProShare Advisors LLC8,658$0.46M0.0%-15.6%0.019%Search for SEC Filing on Google Icon
11/5/2025Azzad Asset Management Inc. ADV19,734$1.05M0.1%+1.3%0.042%Search for SEC Filing on Google Icon
11/5/2025Homestead Advisers Corp52,486$2.79M0.1%-23.6%0.113%Search for SEC Filing on Google Icon
11/5/2025Bessemer Group Inc.366,609$19.51M0.0%+178,733.7%0.789%Search for SEC Filing on Google Icon
11/5/2025Envestnet Asset Management Inc.164,377$8.75M0.0%-1.3%0.354%Search for SEC Filing on Google Icon
11/4/2025Allianz Asset Management GmbH145,889$7.76M0.0%+27.0%0.314%Search for SEC Filing on Google Icon
11/4/2025State of Wyoming3,516$0.19M0.0%N/A0.008%Search for SEC Filing on Google Icon
11/4/2025Principal Financial Group Inc.224,218$11.93M0.0%-2.5%0.483%Search for SEC Filing on Google Icon
11/4/2025Thrivent Financial for Lutherans33,505$1.78M0.0%-1.8%0.072%Search for SEC Filing on Google Icon
11/4/2025Everhart Financial Group Inc.6,200$0.33M0.0%N/A0.013%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC5,896$0.31M0.0%+17.0%0.013%Search for SEC Filing on Google Icon
11/3/2025Arizona State Retirement System13,720$0.73M0.0%+1.4%0.030%Search for SEC Filing on Google Icon
11/3/2025Great Lakes Advisors LLC31,074$1.65M0.0%-12.3%0.067%Search for SEC Filing on Google Icon
11/3/2025New York State Common Retirement Fund37,530$2M0.0%+5.3%0.081%Search for SEC Filing on Google Icon
11/3/2025Federated Hermes Inc.25,465$1.36M0.0%+7,735.4%0.055%Search for SEC Filing on Google Icon
11/3/2025Cambiar Investors LLC28,523$1.52M0.1%+23.6%0.061%Search for SEC Filing on Google Icon
10/31/2025Vanguard Personalized Indexing Management LLC8,533$0.45M0.0%+2.8%0.018%Search for SEC Filing on Google Icon
10/31/2025Mutual of America Capital Management LLC5,202$0.28M0.0%-12.7%0.011%Search for SEC Filing on Google Icon
10/31/2025First Citizens Bank & Trust Co.6,053$0.32M0.0%-5.4%0.013%Search for SEC Filing on Google Icon
10/30/2025Envestnet Portfolio Solutions Inc.8,015$0.43M0.0%-9.4%0.017%Search for SEC Filing on Google Icon
10/30/2025Teacher Retirement System of Texas13,291$0.71M0.0%+70.6%0.029%Search for SEC Filing on Google Icon
10/30/2025Strs Ohio8,900$0.47M0.0%+122.5%0.019%Search for SEC Filing on Google Icon
10/30/2025Covestor Ltd785$42K0.0%-50.4%0.002%Search for SEC Filing on Google Icon
10/30/2025Universal Beteiligungs und Servicegesellschaft mbH71,166$3.79M0.0%+9.3%0.153%Search for SEC Filing on Google Icon
10/29/2025Verdence Capital Advisors LLC8,244$0.47M0.0%+6.2%0.018%Search for SEC Filing on Google Icon
10/29/2025Wealth Enhancement Advisory Services LLC4,354$0.22M0.0%+20.5%0.009%Search for SEC Filing on Google Icon
10/29/2025Amalgamated Bank13,457$0.72M0.0%+1.8%0.029%Search for SEC Filing on Google Icon
10/29/2025Maryland State Retirement & Pension System6,677$0.36M0.0%-51.0%0.014%Search for SEC Filing on Google Icon
10/28/2025QRG Capital Management Inc.5,245$0.28M0.0%-30.4%0.011%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Diodes logo
Diodes Incorporated, together with its subsidiaries, manufactures and supplies application-specific standard products in the broad discrete, logic, analog, and mixed-signal semiconductor markets worldwide. The company offers discrete semiconductor products, such as MOSFETs, SiC MOSFETs; data line protection, power line protection, thyristers, USB Type-C protection, and transient voltage suppressors; Schottky, small signal switching, Zener, and SiC diodes; bridges, super barrier, Schottky, Schottky bridge, and fast/ultra-fast rectifiers; and bipolar, avalanche, gate driver, and pre-bias transistors. It also provides analog products, including power management devices comprising AC-DC and DC-DC converters, USB power switches, low dropout, photocoupler and linear voltage regulators; standard linear devices consisting of operational amplifiers and comparators, current monitors, voltage references, and reset generators; LED lighting drivers; audio amplifiers; and sensor products, such as hall-effect sensors and motor drivers. In addition, the company offers mixed-signal products, such as high speed mux/demux, digital switches, interface, redrivers, universal level shifters/voltage translators, clock ICs and packet switches; standard logic products comprising low-voltage complementary metal-oxide-semiconductor (CMOS) and advanced high-speed CMOS devices; ultra-low power CMOS logic; and analog switches; multichip products and co-packaged discrete, analog and mixed-signal silicon in miniature packages; and silicon and silicon epitaxial wafers used in manufacturing frequency control products and contact images sensors. It serves the industrial, automotive, computing, communications, and consumer markets through direct sales, marketing personnel, independent sales representatives, and distributors. The company was incorporated in 1959 and is headquartered in Plano, Texas.
Read More on Diodes

Today's Range

Now: $51.69
Low: $50.36
High: $52.33

50 Day Range

MA: $50.58
Low: $42.36
High: $58.38

52 Week Range

Now: $51.69
Low: $32.93
High: $67.12

Volume

404,410 shs

Average Volume

487,250 shs

Market Capitalization

$2.40 billion

P/E Ratio

37.46

Dividend Yield

N/A

Beta

1.65

Who are the company insiders with the largest holdings of Diodes?

Diodes' top insider investors include:
  1. Keh Shew Lu (CEO)
  2. Keh Shew Lu (Director)
  3. Gary Yu (President)
  4. Emily Yang (SVP)
  5. Brett R Whitmire (CFO)
  6. Peter M Menard (Director)
Learn More about top insider investors at Diodes.

Who are the major institutional investors of Diodes?

Diodes' top institutional investors include:
  1. Vanguard Group Inc. — 12.89%
  2. Dimensional Fund Advisors LP — 5.23%
  3. Barrow Hanley Mewhinney & Strauss LLC — 2.76%
  4. Earnest Partners LLC — 2.34%
  5. Arrowstreet Capital Limited Partnership — 1.52%
  6. Tributary Capital Management LLC — 1.39%
Learn More about top institutional investors of Diodes stock.

Which major investors are selling Diodes stock?

During the previous quarter, DIOD stock was sold by these institutional investors:
  1. Voloridge Investment Management LLC
  2. BNP Paribas Financial Markets
  3. Barrow Hanley Mewhinney & Strauss LLC
  4. Earnest Partners LLC
  5. UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
  6. Ameriprise Financial Inc.
  7. Verition Fund Management LLC
  8. William Blair Investment Management LLC
During the last year, company insiders that have sold Diodes company stock include:
  1. Keh Shew Lu (CEO)
  2. Keh Shew Lu (Director)
  3. Gary Yu (President)
  4. Emily Yang (SVP)
Learn More investors selling Diodes stock.

Which major investors are buying Diodes stock?

Within the previous quarter, DIOD stock was purchased by institutional investors including:
  1. Arrowstreet Capital Limited Partnership
  2. Bessemer Group Inc.
  3. Invesco Ltd.
  4. Tributary Capital Management LLC
  5. Lazard Asset Management LLC
  6. Assenagon Asset Management S.A.
  7. JPMorgan Chase & Co.
  8. Pacer Advisors Inc.