DIOD at a glance
DIODES INC /DEL/ (DIOD, SEC CIK 29002) filed its latest 10-K annual report on February 10, 2026, a 10-Q quarterly report on August 5, 2026, an 8-K current report on August 27, 2026 and Form 4 insider filings as recently as August 13, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), DIODES INC /DEL/ (DIOD) reported revenue of $1.5 billion (up 13.0% from FY2024) and net income of $66.1 million. Diluted EPS was $1.43.
- As of June 30, 2026, 33 institutional investment managers tracked by SignalX reported holding DIODES INC /DEL/ (DIOD) shares worth $3.1 billion in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Tang Francis on May 29, 2026 of 15,330 shares at $112.04 per share.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $1.5B
- +13.0% vs prior year
- Insiders · 90 days
- 0 buys · 0 sells
- No open-market trades
- 13F holders
- 33 funds
- $3.1B · +2 vs prior quarter
- Latest 8-K
- Aug 27, 2026
- Item 8.01
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Dec 31, 2025
Risk Factors
- Credit risk tied to customer payment ability amid global economic and financial market instability affecting order cancellations or deferrals
- Potential inflation increase threatening future operational costs and financial performance following no material inflation impact in fiscal 2025
- Dependence on effectiveness of internal controls over financial reporting subject to human error and potential breakdowns impacting financial accuracy
- Management key-person risk with CEO Gary Yu and CFO Brett R. Whitmire responsible for disclosure controls and financial reporting integrity
- Geographical dispersion of customers in electronics manufacturing mitigates credit risk concentration but exposes to regional economic shifts impacting receivables
Management Discussion & Analysis
- Revenue details not provided; China, Asia, Europe ~68% sales in 2025, 72% in 2024
- Key segment: Asia/Europe operations primary sales contributors; no detailed segment profit numbers
- Pension deficit funding: $2.6M annual payments 2023-2028, final $2.0M in 2029; tax holidays reduced tax expense by $1.3M in 2025
- Risks: expiration of China tax incentives raising tax rate from 15% to 25%, geopolitical tensions, currency exchange volatility, Chinese labor cost increases, possible loss of preferential tax status
AI summary of the DIOD 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Risk Factors
- New acquisition risk: ElevATE merger announced July 10, 2026, requiring governmental consents and regulatory approvals
- Regulatory risk: Approval conditions could adversely affect Diodes or prevent transaction completion
- Operational risk: Delayed closing could postpone expected ElevATE acquisition benefits
- Strategic risk: Failure to maximize ElevATE synergies could harm business, financial condition, and operating results
AI summary of the DIOD 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 8.01: Other Events
- Acquisition of ElevATE Semiconductor completed August 27, 2026, making ElevATE a wholly owned Diodes subsidiary
- Fabless San Diego company adds highly integrated, low-power analog and mixed-signal semiconductor capabilities
Item 1.01: Entry into a Material Definitive Agreement
- Convertible notes initially exchangeable into 2,572,275 DIOD shares, creating potential equity dilution
- Maximum conversion exposure reaches 3,858,413 shares in limited circumstances
Item 8.01: Other Events
- Proposed convertible Notes offering announced August 13, 2026, with pricing announced August 14, 2026
- Capped Call Transactions intended to reduce potential shareholder dilution from Note conversions
Item EX-99.1: Item EX-99.1
- Proposed $325 million convertible senior notes due August 15, 2031, with an additional $50 million purchase option
- Proceeds earmarked for capped calls, up to $35 million share repurchases, acquisitions, and general corporate purposes
Item 2.02: Results of Operations and Financial Condition
- Conference call covered Diodes’ second-quarter 2026 financial results
- Transcript furnished as Exhibit 99.1, providing management commentary beyond the filing excerpt
Item 7.01: Regulation FD Disclosure
- Exhibit 99.1 contains the earnings conference-call transcript and updated business outlook
- Outlook statements are forward-looking and covered by the Private Securities Litigation Reform Act safe harbor
Item EX-99.1: Item EX-99.1
- Q2 revenue $445.5M, up 22% YoY and 10% sequentially, marking the sixth consecutive quarter of double-digit growth
- Gross margin 33.1%, up 160 basis points YoY, reflecting cost controls and improving utilization
AI summaries of DIOD 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for DIOD
Don't miss the next DIOD filing
- Alerts as it files. A push when DIOD files an 8-K or an insider trades.
- Fund moves. Which tracked funds opened, added or cut DIOD, by share count.
- Ask anything. An AI agent that reads every DIOD filing and answers with sources.
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Yu Evan | A | Aug 12, 2026 | 2,250 | - |
| Tang Francis | Sell | May 29, 2026 | 15,330 | $112.04 |
| White Richard Dallas | Sell | May 29, 2026 | 2,000 | $107.01 |
| White Richard Dallas | Sell | May 29, 2026 | 1,000 | $104.48 |
| Tang Francis | Sell | May 27, 2026 | 5,000 | $110.08 |
| Yang Emily | Sell | May 27, 2026 | 3,000 | $110.08 |
| Yu Gary | Sell | May 27, 2026 | 3,632 | $110.08 |
| Yu Gary | F | May 26, 2026 | 592 | $108.24 |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $1.3B | $1.5B |
| Gross Profit | - | $435.9M | $462.4M |
| Operating Income | - | $50.5M | $35.5M |
| Net Income | - | $44.0M | $66.1M |
| Gross Margin | - | 33.2% | 31.2% |
| Op. Margin | - | 3.8% | 2.4% |
| Net Margin | - | 3.4% | 4.5% |
| Balance Sheet | |||
| Total Assets | $2.4B | $2.4B | $2.4B |
| Equity | $1.7B | $1.8B | $1.9B |
| ROE | - | 2.5% | 3.5% |
| Per Share | |||
| EPS | - | $0.95 | $1.43 |
| Cash Flow | |||
| Operating CF | - | $119.4M | $215.5M |
| CapEx | - | $73.0M | $78.4M |
Source: XBRL data in DIODES INC /DEL/ (DIOD)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate DIOD share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 33 | $3.10B |
| Q1 2026 | 31 | $2.04B |
| Q4 2025 | 29 | $1.50B |
| Q3 2025 | 29 | $1.65B |
| Q2 2025 | 28 | $1.57B |
| Q1 2025 | 25 | $961.7M |
| Q4 2024 | 18 | $1.15B |
| Q3 2024 | 17 | $430.1M |
- T. Rowe Price Group+923.0K (+1738%)
- State Street Corp+323.2K (+14%)
- BlackRock+147.2K (+2%)
- Vanguard Portfolio Management LLC+103.4K (+3%)
- BNY Mellon+94.2K (+33%)
- FMR LLC (Fidelity)−1.31M (-23%)
- Morgan Stanley−618.8K (-37%)
- Goldman Sachs Group−592.2K (-64%)
- Dimensional Fund Advisors−235.9K (-10%)
- Bank of America Corp−195.5K (-50%)
Source: 13F-HR filings on SEC EDGAR (aggregated from 210 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
DIOD filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-K annual reports
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 8-K | Aug 27, 2026 | - | Analysis | - |
| 8-K | Aug 18, 2026 | - | Analysis | - |
| 4 | Aug 13, 2026 | - | - | - |
| 8-K | Aug 12, 2026 | - | Analysis | - |
| SC 13G | Aug 7, 2026 | - | - | |
| 10-Q | Aug 5, 2026 | Jun 30, 2026 | Analysis | |
| 8-K | Aug 5, 2026 | - | Analysis | - |
| 8-K | Jul 28, 2026 | - | Analysis | - |
| 8-K | Jul 15, 2026 | - | Analysis | - |
| 8-K | Jul 14, 2026 | - | Analysis | - |
| 4 | Jun 1, 2026 | - | - | |
| 4 | Jun 1, 2026 | - | - | |
| 4 | May 28, 2026 | - | - | |
| 4 | May 27, 2026 | - | - | |
| 4 | May 27, 2026 | - | - | |
| 4 | May 27, 2026 | - | - | |
| 4 | May 27, 2026 | - | - | |
| 4 | May 27, 2026 | - | - | |
| 4 | May 21, 2026 | - | - | |
| 4 | May 21, 2026 | - | - | |
| 4 | May 19, 2026 | - | - | |
| 4 | May 13, 2026 | - | - | |
| 4 | May 13, 2026 | - | - | |
| 4 | May 13, 2026 | - | - | |
| 4 | May 13, 2026 | - | - |
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DIOD SEC filings: frequently asked questions
Which institutions hold DIOD stock?
As of June 30, 2026, the largest DIODES INC /DEL/ (DIOD) holders among the 13F filers tracked by SignalX were BlackRock ($803.9 million), FMR LLC (Fidelity) ($479.4 million), Vanguard Portfolio Management LLC ($409.6 million), State Street Corp ($285.1 million), Dimensional Fund Advisors ($240.8 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was DIOD's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), DIODES INC /DEL/ (DIOD) reported revenue of $1.5 billion (up 13.0% from FY2024) and net income of $66.1 million. Diluted EPS was $1.43. The figures come from the XBRL data in the 10-K.
What are the main risks in DIOD's latest 10-K?
In the 10-K filed February 10, 2026, DIODES INC /DEL/ (DIOD) flagged: Credit risk tied to customer payment ability amid global economic and financial market instability affecting order cancellations or deferrals. Potential inflation increase threatening future operational costs and financial performance following no material inflation impact in fiscal 2025. (AI summary of the Risk Factors section.)
What did DIOD report in its latest 8-K?
DIODES INC /DEL/ (DIOD) filed an 8-K on August 27, 2026 reporting Item 8.01 (Other Events). Acquisition of ElevATE Semiconductor completed August 27, 2026, making ElevATE a wholly owned Diodes subsidiary.
What are the latest DIOD SEC filings?
DIODES INC /DEL/ (DIOD) filed its latest 10-K annual report on February 10, 2026, a 10-Q quarterly report on August 5, 2026, an 8-K current report on August 27, 2026 and a Form 4 insider filing on August 13, 2026.
What is DIOD's SEC CIK number?
DIODES INC /DEL/ (DIOD)'s SEC Central Index Key (CIK) is 29002. EDGAR lists every DIOD filing under that number.
Ask anything about DIOD
The research agent reads DIOD's filings, financials, insider trades and 13F holders, then answers with sources.