Information Technology · Computer Storage Devices

WDC Western Digital SEC Filings & Insider Trading Activity 2026

company
CIK 106040191 filings
Nasdaq 100
S&P 500

WDC at a glance

Western Digital (WDC, SEC CIK 106040) filed its latest 10-K annual report on August 14, 2026, a 10-Q quarterly report on May 1, 2026, an 8-K current report on September 14, 2026 and Form 4 insider filings as recently as September 21, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended July 3, 2026 (FY2026), Western Digital (WDC) reported revenue of $12.9 billion (up 35.7% from FY2025) and net income of $9.4 billion. Diluted EPS was $24.28.
  • As of June 30, 2026, 51 institutional investment managers tracked by SignalX reported holding Western Digital (WDC) shares worth $120.0 billion in 13F-HR filings.
  • In the last 90 days, WDC insiders reported 0 open-market purchases ($0) and 49 open-market sales ($15.8M) on Form 4, a net sale of $15.8M.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2026
$12.9B
+35.7% vs prior year
Insiders · 90 days
0 buys · 49 sells
Net −$15.8M
13F holders
51 funds
$120.0B · +6 vs prior quarter
Latest 8-K
Sep 14, 2026
Item 7.01 · Item 8.01

AI 10-K Annual Report Analysis

Latest 10-K, fiscal year ended Jul 3, 2026

Full analysis →

Risk Factors

  • Regulatory risk from tax law changes: U.S. One Big Beautiful Bill Act 2025 and OECD global minimum tax of 15% could materially impact effective tax rate
  • Geopolitical threat from China’s export restrictions on rare earth minerals critical to semiconductor and HDD manufacturing, increasing costs and supply constraints
  • Supply chain risk from sole-source suppliers and industry consolidation causing potential shortages, cost increases or quality issues
  • Competitive risk from technology shifts including AI impact on storage demand and competitors entering new product areas with broader offerings
  • Financial risk from $2028 Convertible Senior Notes classified as current debt, with conversion possibly diluting stockholders and reducing cash availability

Management Discussion & Analysis

  • Revenue $12.92B, up 36% YoY from $9.52B in 2025, driven by 25% exabyte volume increase and 8% ASP growth
  • Gross margin 48.9% vs 38.8% in 2025, operating margin 34.5% vs 24.5% YoY, net income $9.42B vs $1.64B
  • Cloud segment best performer: $11.49B revenue, 38% growth; Consumer segment slowest: 13% growth on $648M revenue
  • Cash flow: Operating $3.93B, Investing uses $429M (capex $418M), Financing uses $4.03B including $2.59B share repurchases and $184M dividends
  • Management expects 4-6% of net revenue in annual capex, strong demand outlook, notes risks from global minimum tax and supply chain

Business Overview

  • Core business model centered on designing and manufacturing high-capacity HDD data storage solutions for cloud, client, and consumer markets
  • Emphasis on advanced HDD technologies in commercial volumes, including ePMR, OptiNAND, UltraSMR, HAMR, and triple stage actuators
  • Strategic focus sharpened on leadership in cost-efficient, scalable storage solutions supporting AI-driven data economy
  • Workforce stable at approximately 40,000 employees globally, with 88% located in Asia Pacific, ongoing investment in AI skills training
  • Notable sustainability achievements: 66% carbon-free energy in 2025, 31% emissions reduction per petabyte since 2020, and inclusion in 2026 S&P Dow Jones Best-in-Class Index

AI summary of the WDC 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 Apr 3, 2026

Management Discussion & Analysis

  • Headwinds: tariffs, trade restrictions, supply-chain disruption, competition, cybersecurity, macroeconomic conditions
  • Outlook references demand trends, Sandisk separation, liquidity, debt, capital expenditures, dividends, and tax matters

Risk Factors

  • No risk-factors section provided; supplied text covers repurchases, insider trading arrangements, and exhibits
  • Financial risk: $4.00 billion additional repurchase authorization approved February 2, 2026
  • Liquidity risk: repurchases expected to rely principally on operating cash flows
  • Compliance risk: CEO Irving Tan adopted Rule 10b5-1 plan covering up to 80,000 shares through May 31, 2027
  • Debt risk: Loan Agreement Amendment No. 6 filed February 5, 2026 with no terms disclosed in provided text

AI summary of the WDC 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

Filed Sep 14, 2026Full analysis →

Item 7.01: Regulation FD Disclosure

  • Western Digital announced redemption of its 3.00% Convertible Senior Notes due 2028
  • Early debt redemption may reduce future interest expense and remove potential share dilution from conversion

Item 8.01: Other Events

  • $1,000 principal Notes callable November 16, 2026 at 100% of principal plus accrued interest
  • Holders may convert through the second scheduled trading day before redemption

Item EX-99.1: Item EX-99.1

  • Redemption of all $109.505M 3.00% convertible notes due 2028 scheduled for November 16, 2026
  • Redemption price equals 100% of principal plus accrued interest, eliminating the notes after completion
Filed Aug 27, 2026Full analysis →

Item 3.02: Unregistered Sales of Equity Securities

  • 4,653,572 common shares issued in private exchanges for approximately $191.0 million of 3.00% convertible notes due 2028
  • Debt reduction through note exchanges, lowering future principal and interest obligations
Filed Aug 26, 2026Full analysis →

Item 8.01: Other Events

  • Exchange of approximately $191.0M principal amount of 3.00% convertible notes due 2028
  • Cash consideration of approximately $192.7M, covering principal and accrued interest

AI summaries of WDC 8-K current reports filed with the SEC. What 8-K item codes mean

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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
Tan IrvingMSep 20, 2026-
Tan IrvingFSep 20, 2026$441.36
Tan IrvingMSep 20, 2026-
Davis Brian ScottMSep 20, 2026-
Davis Brian ScottFSep 20, 2026$441.36
Davis Brian ScottMSep 20, 2026-
DOLUCA TUNCASep 17, 2026-
Das ManuvirASep 17, 2026-

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2024FY2025FY2026
Profitability
Revenue-$9.5B$12.9B
Gross Profit-$3.7B$6.3B
Operating Income-$2.3B$4.5B
Net Income-$1.9B$9.4B
Gross Margin-38.8%48.9%
Op. Margin-24.5%34.5%
Net Margin-19.8%72.9%
Balance Sheet
Total Assets$24.2B$14.0B$13.9B
Equity-$5.3B$8.9B
ROE-35.6%106.3%
Per Share
EPS-$5.12$24.28
Cash Flow
Operating CF-$1.7B$3.9B
CapEx$487.0M$412.0M$418.0M

Source: XBRL data in Western Digital (WDC)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate WDC share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
WDC shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202651$119.99B
Q1 202645$54.57B
Q4 202539$40.13B
Q3 202538$28.29B
Q2 202536$14.20B
Q1 202533$6.85B
Q4 202427$6.91B
Q3 202424$3.32B
Position changes: Q1 2026 → Q2 2026
Top Buyers
Top Sellers
Closed Positions
None this quarter.

Source: 13F-HR filings on SEC EDGAR (aggregated from 293 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

WDC filing archive

AI analysis pages for each 10-K, 10-Q and 8-K

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
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4Sep 21, 2026--
8-KSep 14, 2026Analysis-
4Sep 8, 2026--
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4Sep 2, 2026--
4Sep 2, 2026--
4Aug 27, 2026--
4Aug 27, 2026--
4Aug 27, 2026--
8-KAug 27, 2026Analysis-

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WDC SEC filings: frequently asked questions

Are WDC insiders buying or selling?

In the last 90 days, Western Digital (WDC) officers, directors and 10% owners reported no open-market purchases and 49 open-market sales worth $15.8 million by 5 insiders on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.

Which institutions hold WDC stock?

As of June 30, 2026, the largest Western Digital (WDC) holders among the 13F filers tracked by SignalX were BlackRock ($21.0 billion), FMR LLC (Fidelity) ($16.6 billion), Vanguard Capital Management LLC ($14.4 billion), JPMorgan Chase & Co ($11.1 billion), State Street Corp ($10.4 billion). 13F-HR reports are filed up to 45 days after each quarter ends.

What was WDC's revenue in fiscal year 2026?

For the fiscal year ended July 3, 2026 (FY2026), Western Digital (WDC) reported revenue of $12.9 billion (up 35.7% from FY2025) and net income of $9.4 billion. Diluted EPS was $24.28. The figures come from the XBRL data in the 10-K.

What are the main risks in WDC's latest 10-K?

In the 10-K filed August 14, 2026, Western Digital (WDC) flagged: Regulatory risk from tax law changes: U.S. One Big Beautiful Bill Act 2025 and OECD global minimum tax of 15% could materially impact effective tax rate. Geopolitical threat from China’s export restrictions on rare earth minerals critical to semiconductor and HDD manufacturing, increasing costs and supply constraints. (AI summary of the Risk Factors section.)

What did WDC report in its latest 8-K?

Western Digital (WDC) filed an 8-K on September 14, 2026 reporting Item 7.01 (Regulation FD Disclosure) and Item 8.01 (Other Events). Western Digital announced redemption of its 3.00% Convertible Senior Notes due 2028.

What are the latest WDC SEC filings?

Western Digital (WDC) filed its latest 10-K annual report on August 14, 2026, a 10-Q quarterly report on May 1, 2026, an 8-K current report on September 14, 2026 and a Form 4 insider filing on September 21, 2026.

What is WDC's SEC CIK number?

Western Digital (WDC)'s SEC Central Index Key (CIK) is 106040. EDGAR lists every WDC filing under that number.

Ask anything about WDC

The research agent reads WDC's filings, financials, insider trades and 13F holders, then answers with sources.