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Diodes INC /del/ Stock: price and insider trades · United States
No insider purchase over the last 90 days. The latest was filed 18 Apr 2022.
Diodes INC /del/: what insiders have been doing
This page follows insider dealings at Diodes INC /del/ as filed with SEC (Form 4), a company from the Technology sector based in Plano, United States. The group dates from 1959. The last twelve months, up to 18 October 2026, brought 32 filings signed by 11 insiders.
No insider bought on the market over the period, while 8 insiders filed 19 sales totalling €9.2M. Lu Keh Shew filed the largest sale, €2.7M, on 24 February 2026.
With 32 filings in twelve months, the company is more active than the median of 19 filings across the 5,811 companies we follow on the same exchange. The full history, which starts in 2016, counts 1 purchase against 101 sales. On the fundamentals side, the SEC filing (10-K) for the period ending 31 December 2025 lists revenue at 1.48 bn USD and net income at 66.1 m USD.
Typically, a trade is published a median of 2 days after it takes place. US insiders must file a Form 4 within two business days of a trade. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify.
In the same sector, recent insider purchases at Core Scientific, Inc./tx and Gitlab Inc. also feature in our signals. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Insider Decl.
272
Thresholds
n/a
Buy Volume
€129,378
1 ops. · all time
Sell Volume
€39M
101 ops. · all time
Who traded when
BuySaleEmily Yang7 sales
Brett R. Whitmire3 sales
Francis Tang3 sales
Andy Tsong2 sales
Gary Yu2 sales
Keh Shew Lu2 sales
+2 other insiders
Since the insiders bought
- +12.1%Entry US$75.25 · Close at T+365 US$84.36
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Analyst consensus: bullish or bearish?
Analysts rate Diodes INC /del/ Strong Buy (bullish), based on 3 analysts. Average price target: US$153.33.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Fundamental score
Ranked 13,325 of 24,161 companies
48.6
score / 100
Value43
Quality54
FCF yld3.5%
Earn yld1.7%
EV/EBITDA17.5x
ROE4.7%
Gross mgn31%
Net mgn4.5%
Debt/EBITDA0.4x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
US$85.36
Analyst consensus
3 analystsStrong buy
US$133.00Target US$153.33(+80%)US$192.00
Income statement
RevenueUS$1.5B
Gross profitUS$462.4M31% margin
EBITDAUS$230.5M16% margin
Net incomeUS$66.1M5.3% margin
Valuation
PER (trailing)48.5x
PER (forward)14.6x
P/Book2.0x
Beta1.90
Balance sheet & cash
Market capUS$3.9B
Total debtUS$95.6M
Free Cash FlowUS$137.2M
Debt / Equity4%
Profitability & ownership
ROE4.7%
ROA2.0%
% insiders2.6%
% institutions101.6%
Last declaration on 13 August 2026
Declarations272 total
15,330 shares@ US$112.04310.031% mcap52.2% of flowDiodes Incorporated Common StockSEC:0001363562-26-000006:0
1,000 shares@ US$104.480.0019% mcap19.8% of flowDiodes Incorporated Common StockSEC:0001368889-26-000002:0
2,000 shares@ US$107.01010.0038% mcap40.6% of flowDiodes Incorporated Common StockSEC:0001368889-26-000002:1
1,970 shares@ US$108.240.0038% mcap2.1% of flowDiodes Incorporated Common StockSEC:0001196531-26-000002:0
3,000 shares@ US$110.080.0059% mcap14.2% of flowDiodes Incorporated Common StockSEC:0001726369-26-000006:1
2,000 shares@ US$107.52010.0038% mcap9.3% of flowDiodes Incorporated Common StockSEC:0001726369-26-000006:0
1,582 shares@ US$106.9550.0030% mcap27.2% of flowDiodes Incorporated Common StockSEC:0001966189-26-000004:0
4,137 shares@ US$108.000.0079% mcap13.6% of flowDiodes Incorporated Common StockSEC:0001363562-26-000004:0
5,000 shares@ US$110.080.0098% mcap16.7% of flowDiodes Incorporated Common StockSEC:0001363562-26-000004:1
2,000 shares@ US$96.810.0034% mcap8.3% of flowDiodes Incorporated Common StockSEC:0001726369-26-000004:0
16,556 shares@ US$103.34050.032% mcap73.2% of flowDiodes Incorporated Common StockSEC:0001768901-26-000002:0
3,000 shares0Diodes Incorporated Common StockSEC:0001193468-26-000007:0
6,000 shares0Diodes Incorporated Common StockSEC:0001848133-26-000002:0
2,154 shares@ US$69.893517.5% of flowDiodes Incorporated Common StockSEC:0001193125-26-076731:0
46,734 shares@ US$67.784618.4% of flowDiodes Incorporated Common StockSEC:0001193125-26-066745:0
5,953 shares@ US$71.22117.9% of flowDiodes Incorporated Common StockSEC:0001193125-26-054493:0
1,000 shares@ US$71.89138.3% of flowDiodes Incorporated Common StockSEC:0001193125-26-054479:0
3,277 shares@ US$70.4584100.0% of flowDiodes Incorporated Common StockSEC:0001193125-26-054471:0
25 of 272 declarations
About Diodes INC /del/
Diodes Incorporated (NASDAQ: DIOD) is a long-established specialty semiconductor company headquartered in Plano, Texas, United States. Listed on the NASDAQ market in the United States, Diodes designs, develops, manufactures and sells a broad portfolio of analog, discrete, power, logic and mixed-signal semiconductor products. Its business is built around high-volume application-specific components used by global customers in automotive, industrial, computing, consumer electronics and communications end markets. ([diodes.com](https://www.diodes.com/about/company?utm_source=openai))
Founded in 1959, the company has evolved from a focused component supplier into a global semiconductor platform with design, manufacturing, packaging and distribution capabilities spanning multiple regions. Over time, Diodes has broadened its portfolio through internal development and selective acquisitions, strengthening its position in power management, signal integrity, interface, timing and protection functions. The company is not a pure-play foundry or a broad commodity supplier; rather, it specializes in practical, high-usage building blocks that are embedded inside end products across many industries. ([ithistory.org](https://www.ithistory.org/db/companies/diodes-incorporated?utm_source=openai))
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Diodes’ main product lines include diodes, rectifiers, transistors, MOSFETs, power switches, regulators, converters, LED drivers, connectivity interfaces and other analog and logic devices. This mix supports a wide range of applications, from automotive electronics and industrial automation to computing, storage, displays and communications infrastructure. That diversified end-market exposure is important, but it also means the company remains exposed to semiconductor cyclicality, inventory corrections and shifts in customer demand. ([diodes.com](https://www.diodes.com/applications/?utm_source=openai))
From a competitive standpoint, Diodes occupies a differentiated niche in the global semiconductor supply chain. The company positions itself as a provider of reliable, qualified and cost-effective solutions, with a strong emphasis on automotive-compliant products, efficiency, integration and design support. Its customer base includes leading international companies, and its global footprint allows it to serve multinational OEMs and tiered electronics supply chains. In practice, Diodes competes with larger diversified semiconductor groups as well as more specialized analog and discrete component vendors. ([diodes.com](https://www.diodes.com/about/?utm_source=openai))
Recent developments are relevant for investors. On February 10, 2026, Diodes reported fourth-quarter fiscal 2025 results, with revenue of $391.6 million and full-year 2025 revenue growth of 13%. During 2025, the company also introduced several automotive-oriented products, including LED drivers, 48V buck converters and ideal diode controllers, underscoring its focus on higher-value automotive power and lighting content. These announcements suggest continued product momentum in automotive and signal a strategy aimed at content growth rather than pure unit growth. ([diodes.com](https://www.diodes.com/about/news/press-releases/diodes-incorporated-reports-fourth-quarter-fiscal-2025-financial-results?utm_source=openai))
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