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Diodes Incorporated (DIOD)

Diodes Incorporated at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Diodes Incorporated (DIOD) is a Semiconductors company based in US with a market capitalization of $4.9B. Revenue grew 13.0% year-over-year and the company generated $137.2M in free cash flow. This page tracks DIOD's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 7.83K employees · IPO Nov 10, 1966

Valuation

Valuation & price

$100.04 · as of May 17, 2026 · -18.5% vs 52w high

70.2

P/E ratio

Latest-FY diluted EPS

2.60

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$123$82.56$42.36Jul 25Dec 25Jul 26Jul 7, 25$54.62Jul 9, 25$57.37Jul 11, 25$57.39Jul 15, 25$55.20Jul 17, 25$55.45Jul 21, 25$55.26Jul 23, 25$52.49Jul 25, 25$50.52Jul 29, 25$51.60Jul 31, 25$49.37Aug 4, 25$49.46Aug 6, 25$48.13Aug 11, 25$50.83Aug 13, 25$54.82Aug 15, 25$52.75Aug 19, 25$53.04Aug 21, 25$53.21Aug 25, 25$55.26Aug 27, 25$56.19Aug 29, 25$54.44Sep 3, 25$52.65Sep 5, 25$53.06Sep 9, 25$53.05Sep 11, 25$54.32Sep 16, 25$54.60Sep 18, 25$56.55Sep 22, 25$54.97Sep 24, 25$54.99Sep 26, 25$53.10Sep 30, 25$53.21Oct 2, 25$52.65Oct 6, 25$53.02Oct 8, 25$52.58Oct 10, 25$48.37Oct 14, 25$53.77Oct 16, 25$55.75Oct 21, 25$58.38Oct 23, 25$57.85Oct 27, 25$56.63Oct 29, 25$54.46Oct 31, 25$53.36Nov 4, 25$50.88Nov 6, 25$51.80Nov 10, 25$46.61Nov 12, 25$46.76Nov 14, 25$44.57Nov 18, 25$43.11Nov 20, 25$42.36Nov 25, 25$45.19Nov 28, 25$46.21Dec 2, 25$46.82Dec 4, 25$51.69Dec 8, 25$52.30Dec 10, 25$52.77Dec 12, 25$50.59Dec 16, 25$50.39Dec 18, 25$50.86Dec 22, 25$50.57Dec 24, 25$50.24Dec 29, 25$50.02Jan 2, 26$51.43Jan 6, 26$54.84Jan 8, 26$54.92Jan 12, 26$54.29Jan 14, 26$55.81Jan 16, 26$56.90Jan 21, 26$59.04Jan 23, 26$56.47Jan 27, 26$58.16Jan 29, 26$60.26Feb 2, 26$60.66Feb 4, 26$59.28Feb 9, 26$61.11Feb 11, 26$78.00Feb 13, 26$71.07Feb 18, 26$67.84Feb 20, 26$68.45Feb 24, 26$69.29Feb 26, 26$69.63Mar 2, 26$72.10Mar 4, 26$66.15Mar 6, 26$61.89Mar 10, 26$63.01Mar 12, 26$61.65Mar 17, 26$66.59Mar 19, 26$67.11Mar 23, 26$68.07Mar 25, 26$73.47Mar 27, 26$68.20Mar 31, 26$68.26Apr 2, 26$68.58Apr 7, 26$73.28Apr 9, 26$82.29Apr 13, 26$88.26Apr 15, 26$90.26Apr 17, 26$94.84Apr 22, 26$97.70Apr 24, 26$104.40Apr 28, 26$96.67Apr 30, 26$107.15May 4, 26$108.70May 6, 26$116.05May 8, 26$111.41May 12, 26$103.45May 14, 26$103.65May 18, 26$94.84May 20, 26$97.15May 22, 26$99.65May 28, 26$109.89Jun 1, 26$101.96Jun 3, 26$116.22Jun 5, 26$101.06Jun 9, 26$103.51Jun 11, 26$106.84Jun 15, 26$113.15Jun 17, 26$108.80Jun 22, 26$122.76Jun 24, 26$113.04Jun 26, 26$104.14Jul 2, 26$96.25
$42.3652-week range$122.76
Loading valuation history…

Fundamentals

Key fundamentals

$4.9B

Market cap

13.0%

Revenue growth (YoY)

31.2%

Gross margin

$137.2M

Free cash flow (USD)

-$281.4M

Net debt

Net cash position

0.3%

Share dilution

3/5

Graham criteria passed

Defensive-investor screen

Technology

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$942.2MFY 2017$1.1BFY 2018$1.2BFY 2019$1.2BFY 2020$1.2BFY 2021$1.8BFY 2022$2.0BFY 2023$1.7BFY 2024$1.3BFY 2025$1.5B
$942.2M$1.5B

Free cash flow by year

2016 → 2025

FY 2016$66.2MFY 2017$70.0MFY 2018$98.1MFY 2019$131.3MFY 2020$111.4MFY 2021$197.3MFY 2022$180.8MFY 2023$130.1MFY 2024$46.4MFY 2025$137.2M
$66.2M$137.2M

Gross margin by year

2021 → 2025

FY 202137.1%FY 202241.4%FY 202339.6%FY 202433.2%FY 202531.2%
37.1%31.2%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

13

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 7, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $319KWhite Richard Dallas · Corporate Secretary · $318.5KJun 1, 2026Filing
  • Insider sellInsider Sell $1.7MTang Francis · Chief Technology Officer · $1.7MJun 1, 2026Filing
  • Insider sellInsider Sell $400KYu Gary · Director, President and CEO · $399.8KMay 27, 2026Filing
  • Insider sellInsider Sell $997KTang Francis · Chief Technology Officer · $997.2KMay 27, 2026Filing
  • Insider sellInsider Sell $545KYang Emily · SVP Worldwide Sales/Marketing · $545.3KMay 27, 2026Filing
  • Insider sellInsider Sell $169KTsong Andy · SVP Worldwide Products Group · $169.2KMay 27, 2026Filing
  • Insider sellInsider Sell $394KZhao Jin · President, Diodes Asia · $394.2KMay 27, 2026Filing
  • Insider sellInsider Sell $194KYang Emily · SVP Worldwide Sales/Marketing · $193.6KMay 21, 2026Filing
  • Insider sellInsider Sell $203KYang Emily · SVP Worldwide Sales/Marketing · $202.9KMay 19, 2026Filing
  • Insider sellInsider Sell $1.7MWhitmire Brett R · CFO · $1.7MMay 13, 2026Filing

Questions

Frequently asked questions

What is Diodes Incorporated's market cap?

Diodes Incorporated (DIOD) has a market capitalization of $4.9B.

What is DIOD's P/E ratio?

DIOD trades at a price-to-earnings ratio of 70.2, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is DIOD's price-to-book (P/B) ratio?

DIOD trades at 2.60 times book value per share.

Are insiders buying DIOD stock?

SEC Form 4 filings show no open-market insider buys at Diodes Incorporated in the last 90 days (13 sells).

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Timeline

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News

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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.