{"schemaVersion":1,"research":true,"symbol":"wdc","name":"Western Digital","topic":"moat","path":"/stock/wdc/moat","status":"published","version":3,"updatedAt":"2026-10-18T12:41:33.356Z","locked":false,"publicFairValue":false,"fairValue":null,"moat":{"verdict":"none","summary":"Western Digital has substantial HDD manufacturing expertise and intellectual property, improving product costs, stronger realized pricing and multi-year customer commitments. These are current capabilities and commercial gains, but the supplied evidence does not establish a durable economic moat: products are largely interchangeable, customers are concentrated, and HDD operations have incurred underutilization costs. Recent pricing gains and strong execution deserve credit without establishing pricing power through a downturn.","advantages":[{"mechanism":"intangible_assets","claim":"Approximately 4,700 active patents and integrated recording-head and media manufacturing support current technical capabilities. Their existence does not demonstrate durable exclusion of competitors or a sustained customer premium.","durability":"Continued innovation could preserve the capability, but patent counts and issuer leadership claims do not establish the duration of an economic advantage.","risks":"Product interchangeability limits differentiation; alternative storage technologies compete particularly with lower-capacity legacy HDD products.","invalidation":"The proposed advantage would weaken if successive products failed to improve capacity and cost, or customers adopted competing storage despite Western Digital's patent portfolio. Sustained differentiation and customer premiums across a downturn would warrant reconsidering the no-moat conclusion.","competitors":[],"evidenceIds":["e1","e2","e3"],"counterEvidenceIds":["e4","e5"]},{"mechanism":"cost_advantage","claim":"Newer-generation products and higher-capacity drives have delivered better internal cost structures. A cost advantage relative to competitors is not demonstrated.","durability":"Manufacturing improvements are realized, but maintaining them requires continuing investment and sufficient factory utilization.","risks":"Historical HDD underutilization charges demonstrate exposure to demand cycles. Product mix and favorable demand contribute to current profitability.","invalidation":"Repeated underutilization charges or failure of newer products to reduce costs would invalidate the proposed operational advantage. A demonstrated relative cost lead sustained through weak demand would support reassessment.","competitors":[],"evidenceIds":["e2","e3","e6","e7"],"counterEvidenceIds":["e8","e9","e10"]},{"mechanism":"switching_costs","claim":"Lengthy product qualifications and substantial multi-quarter or multi-year purchase commitments provide some commercial continuity. They do not establish strong customer dependence given disclosed interchangeability.","durability":"Contracts support demand visibility over their stated periods; post-contract retention and switching penalties are not disclosed.","risks":"Concentrated customers retain negotiating influence. Longer arrangements create delivery obligations for Western Digital as well as purchase obligations for customers.","invalidation":"Failure to extend commitments, declining purchases from established customers or customers replacing Western Digital products would weaken this limited continuity benefit. Demonstrated renewals despite competing offers and enforceable switching penalties would strengthen it.","competitors":[],"evidenceIds":["e11","e12","e13"],"counterEvidenceIds":["e4","e14","e15"]}],"evidence":[{"id":"e1","sourceId":"filing-1","location":"Research and Technology — active patent portfolio","excerpt":"We have a wide range of intellectual property (“IP”) assets, including patent portfolios containing approximately 4,700 active patents, covering groundbreaking data storage technologies, magnetic recording and other technology building blocks."},{"id":"e2","sourceId":"filing-1","location":"Research and Technology — recording-head and magnetic-media manufacturing","excerpt":"We design and manufacture substantially all of the recording head and magnetic media in our HDD products, positioning us as an industry leader in innovations that drive higher areal density and superior performance."},{"id":"e3","sourceId":"filing-1","location":"Research and Technology — capacity improvements and product costs","excerpt":"Our improvements in HDD capacity, which lower product costs over time, have been enabled largely through advancements in magnetic recording head and media technologies."},{"id":"e4","sourceId":"filing-1","location":"Risk Factors — product interchangeability and competitor actions","excerpt":"In addition, because our products are designed to be largely interchangeable with competitors’ products, our demand forecasts may be impacted significantly by the strategic actions of our competitors."},{"id":"e5","sourceId":"filing-4","location":"Risk Factors — alternative storage technology competition","excerpt":"We also experience competition from other companies that produce alternative storage technologies such as flash memory, particularly in our legacy markets where we participate with our lower capacity, smaller form factor HDDs."},{"id":"e6","sourceId":"filing-1","location":"MD&A — fiscal 2026 gross-profit improvement drivers","excerpt":"The increase was largely due to an increased volume of shipments, a better cost structure on our newer generation products, a mix shift towards higher capacity drives and improved pricing."},{"id":"e7","sourceId":"filing-1","location":"MD&A — higher-capacity product costs and pricing","excerpt":"The shift toward higher capacity drives has benefited gross margin through both a better cost structure and improved pricing."},{"id":"e8","sourceId":"filing-4","location":"MD&A — fiscal 2024 unabsorbed manufacturing overhead absent in fiscal 2025","excerpt":"The increase also reflected charges for unabsorbed manufacturing overhead of approximately $155 million in 2024 which were not incurred in 2025."},{"id":"e9","sourceId":"filing-1","location":"Risk Factors — historical excess capacity, write-downs and ASP reductions","excerpt":"The storage market has in the past experienced, and may in the future experience, periods of excess capacity leading to our factories running below the desired utilization levels, resulting in us taking underutilization charges, inventory write-downs and reductions in average selling prices (“ASPs”), all of which lead to negative impacts on our revenue and gross margins."},{"id":"e10","sourceId":"filing-1","location":"Liquidity and Capital Resources — material manufacturing capital expenditures","excerpt":"We incur material capital expenditures to design and manufacture our products that depend on advanced technologies and manufacturing techniques."},{"id":"e11","sourceId":"filing-1","location":"Risk Factors — long-term customer volume commitments","excerpt":"We have entered into long-term agreements with certain customers that commit us to deliver and our customers to purchase substantial volumes of products over multi-quarter or multi-year periods."},{"id":"e12","sourceId":"filing-1","location":"MD&A — earlier customer partnering and longer commercial arrangements","excerpt":"In response, customers are partnering with us earlier to support their future growth requirements and are extending the duration of their commercial arrangements, which improves our long-term visibility of demand."},{"id":"e13","sourceId":"filing-4","location":"Risk Factors — competition, technological change and lengthy product qualifications","excerpt":"We participate in a highly competitive industry that is subject to variations in average selling prices (“ASPs”) and demand, technological change and lengthy product qualifications, all of which can negatively impact our business."},{"id":"e14","sourceId":"filing-2","location":"MD&A — top-ten customer revenue concentration","excerpt":"Our top 10 customers accounted for 71% and 74%, respectively, of our net revenue for the three and nine months ended April 3, 2026, compared to 73% and 68%, respectively, of our net revenue for the three and nine months ended March 28, 2025."},{"id":"e15","sourceId":"filing-1","location":"Risk Factors — potential customer negotiating leverage from consolidation","excerpt":"Additionally, if there is consolidation among our customer base, our customers may be able to command increased leverage in negotiating prices and other terms of sale, which could negatively impact our profitability."},{"id":"e16","sourceId":"filing-2","location":"MD&A — quarterly revenue, exabyte volume and realized price changes","excerpt":"40 Table of Contents Comparison of Three and Nine Months Ended April 3, 2026 to Three and Nine Months Ended March 28, 2025 Net Revenue Net revenue increased by 45% for the three months ended April 3, 2026 from the comparable period in the prior year, driven by a 34% increase in exabytes sold and a 9% increase in average selling price per exabyte, both of which were driven by strong demand across all of our end markets."},{"id":"e17","sourceId":"filing-2","location":"MD&A — nine-month revenue, volume and realized price changes","excerpt":"Net revenue increased by 33% for the nine months ended April 3, 2026 from the comparable period in the prior year, driven by a 26% increase in exabytes sold and a 5% increase in average selling price per exabyte."},{"id":"e18","sourceId":"filing-6","location":"MD&A — January 2026 quarter realized pricing and volume","excerpt":"Net revenue increased by 25% for the three months ended January 2, 2026 from the comparable period in the prior year, driven by a 22% increase in exabytes sold and a 2% increase in average selling price per exabyte."},{"id":"e19","sourceId":"filing-6","location":"MD&A — six-month consumer price decline and flat volume","excerpt":"Consumer revenue decreased by 2% for the six months ended January 2, 2026 from the comparable period in the prior year, driven by a 2% decrease in average selling price per exabyte while volume remained relatively flat, which reflects routine variations in product mix and demand."},{"id":"e20","sourceId":"filing-1","location":"Revenue disclosures — customer price protection and incentives","excerpt":"Consistent with standard industry practice, we have sales incentive and marketing programs that provide customers with price protection and other incentives or reimbursements that are recorded as a reduction to gross revenue."},{"id":"e21","sourceId":"filing-1","location":"Revenue disclosures — fiscal 2024–2026 incentive program percentages","excerpt":"For 2026, 2025 and 2024, these programs represented 9%, 10% and 11%, respectively, of gross revenue."},{"id":"e22","sourceId":"filing-3","location":"Appendix A — operating results and cash-flow reconciliations","excerpt":"The following tables present reconciliations of our non-GAAP gross profit, non-GAAP operating income, non-GAAP EPS and adjusted free cash flow to the most directly comparable GAAP measures: (in millions, unaudited) Year Ended July 3, 2026 Year Ended June 27, 2025 Revenue $ 12,919 $ 9,520 Reconciliation of non-GAAP gross profit GAAP gross profit $ 6,311 $ 3,692 Stock-based compensation expense 33 34 Litigation matter — 19 Other 5 4 Non-GAAP gross profit $ 6,349 $ 3,749 GAAP gross margin(1) 48.9 % 38.8 % Non-GAAP gross margin(1) 49.1 % 39.4 % Reconciliation of non-GAAP operating income GAAP operating income $ 4,453 $ 2,334 Stock-based compensation expense 204 167 Litigation matter — (179) Business realignment charges (credits) 137 (6) Other 23 10 Non-GAAP operating income $ 4,817 $ 2,326 Western Digital 2026 Proxy Statement A-1 Proxy Summary Corporate Governance Matters Executive Officers Executive Compensation Equity Compensation Plan Information Stock Ownership Information Audit Committee Matters Additional Information Appendix A (in millions, unaudited) Year Ended July 3, 2026 Year Ended June 27, 2025 Reconciliation of non-GAAP EPS GAAP net income $ 9,424 Operating income adjustments 364 Gain on retained interest in Sandisk (6,498) Costs in connection with debt and equity transactions 907 Other 16 Income tax adjustments (270) Non-GAAP net income 3,943 Amount allocated to preferred shareholders (60) Non-GAAP diluted net income attributable to common shareholders $ 3,883 Diluted weighted average shares: GAAP 383 Benefit of shares related to capped call transactions (3) Non-GAAP 380 Diluted net income per common share GAAP $ 24.28 Non-GAAP $ 10.22 Reconciliation of adjusted free cash flow(2) Cash flows provided by operating activities $ 3,929 Purchases of property, plant and equipment, net (418) Free cash flow $ 3,511 Adjustments to free cash flow(2) 159 Adjusted free cash flow $ 3,670 (1)GAAP and non-GAAP gross margin are calculated by dividing GAAP and non-GAAP gross profit, respectively, by revenue."},{"id":"e23","sourceId":"filing-1","location":"MD&A — completed Sandisk share monetization and debt redemption","excerpt":"In February 2026, we executed a series of transactions pursuant to which we used 5.8 million shares of Sandisk common stock to further reduce our debt and fully redeem our previously outstanding 4.75% senior unsecured notes due 2026, 2.85% senior notes due 2029, 3.10% senior notes due 2032 and Term Loan A-3 through a tax-free exchange."},{"id":"e24","sourceId":"filing-1","location":"Notes to Financial Statements — issued and outstanding share counts","excerpt":"As of July 3, 2026 and June 27, 2025, there were 364 million and 349 million shares issued, and 361 million and 347 million shares outstanding, respectively, which are net of 3 million and 2 million shares of treasury stock held at cost, respectively."},{"id":"e25","sourceId":"filing-3","location":"Appendix A — transaction costs primarily related to counterparty discounts","excerpt":"In connection with these transactions, the company recognized costs primarily related to a discount given to the counterparty of the transaction."},{"id":"e26","sourceId":"filing-4","location":"Business Realignment Charges — canceled capacity projects and impairments","excerpt":"In this regard, in 2024, the Company reassessed existing capacity development plans and made a decision to cancel certain projects, including projects to expand capacity in its Penang, Malaysia facility, resulting in the impairment of existing construction in progress, other assets and the recognition of a liability for certain contract termination costs."},{"id":"e27","sourceId":"filing-3","location":"Compensation Discussion and Analysis — fiscal 2026 incentive metrics and vesting design","excerpt":"PAY MIX CEO FY26 OTHER NEOs FY26 7% 10% 50% 33% 13% 13% 37% 37% Base Salary Target Bonus Annual PSUs Annual RSUs Base Salary Target Bonus Annual PSUs Annual RSUs 17% 83% 26% 74% Annual Long-Term Incentive Annual Long-Term Incentive 44 2026 Proxy Statement Western Digital Proxy Summary Corporate Governance Matters Executive Officers Executive Compensation Equity Compensation Plan Information Stock Ownership Information Audit Committee Matters Additional Information Appendix A FISCAL 2026 COMPENSATION ELEMENTS Compensation Element Characteristics Purpose Performance Link/ Key Benchmark Base Salary lFixed compensation lAttracts, retains and motivates premier executive talent lCompensates executive officers for sustained individual performance lCompetitive with market and industry practices lAdjusted for experience, responsibility, potential and performance Short-Term Incentives (“STI”) lAnnual performance-based cash incentive compensation lMotivates executive officers to drive annual growth and financial performance lEncourages accountability by rewarding achievement of corporate and individual performance objectives lFocuses our executive officers on value creation through achievement of corporate and individual performance objectives that drive our ability to create value for stockholders lNon-GAAP operating income (70% weighting) lRevenue (30% weighting) lIndividual performance modifier (+/- 20%) tied to specific individual performance goals lIndividual performance modifier does not increase award payout if non-GAAP operating income is below threshold lIncludes ESG measures lSTI payouts are capped at 200% of target PSUs lVariable performance-based equity compensation lThree-year performance period with annual performance targets lAnnual achievements averaged to determine payout lEncourages accountability by rewarding achievement of long-term (over a three-year period) corporate and market-based performance objectives lFocuses our executive officers on value creation through achievement of financial objectives that drive our ability to create long-term value for stockholders lAdjusted Free Cash Flow (50%) lNon-GAAP EPS (50%) lThree-year relative Total Shareholder Return (“TSR”) modifier (+/-10%) lIf absolute TSR performance is negative, the relative TSR modifier may not increase the PSU payout and can only be used to decrease such payout lPSU financial metrics payout capped at 200% of target RSUs lVariable service-based equity compensation lVests with respect to 25% after one year and 6.25% quarterly thereafter lProvides alignment with stockholder interests by focusing executive officers on long-term value creation lProvides retention value lValue based on stock price performance * Blue text indicates new for fiscal 2026 In addition to the elements outlined above, we also provide our executive officers with limited perquisites and certain other indirect benefits, as described in the section below entitled “—Other Program Features and Policies.”"},{"id":"e28","sourceId":"filing-3","location":"Compensation Discussion and Analysis — incomplete multi-year PSU performance cycles","excerpt":"FY2026 FY2027 FY2028 Three-Year Average Payout % (0%-200%) TBD Fiscal 2026 - 2028 PSU Awards One-Year Adjusted Free Cash Flow and non-GAAP EPS Payout 200% One-Year Adjusted Free Cash Flow and non-GAAP EPS Payout TBD One-Year Adjusted Free Cash Flow and non-GAAP EPS Payout TBD Three-Year Relative TSR Modifier (+/-10%) Two-Year Average Payout % (0%-200%) TBD Fiscal 2026 - 2027 CEO Grant One-Year Adjusted Free Cash Flow and non-GAAP EPS Payout 200% One-Year Adjusted Free Cash Flow and non-GAAP EPS Payout TBD Two-Year Relative TSR Modifier (+/-10%) The actual number of units to be earned from these awards will be determined by averaging the achievement levels over the entire two- or three-year performance cycle subject to the applicable payout percentage cap."},{"id":"e29","sourceId":"filing-3","location":"Compensation policies — executive ownership guidelines and retention requirement","excerpt":"Maintain and adhere to robust executive stock ownership guidelines set at or above market levels, with a retention requirement until compliance is achieved."},{"id":"e30","sourceId":"filing-3","location":"Compensation policies — restrictions on hedging, pledging and derivatives","excerpt":"No hedging, pledging or short-sale or derivative transactions by executive officers or directors."},{"id":"e31","sourceId":"filing-3","location":"Corporate Governance — independent chair responsibilities and board independence","excerpt":"The responsibilities of our Chair of the Board include the following: lLeads our Board in oversight of management and company strategy lCalls and chairs Board and stockholder meetings lSets meeting schedules and agendas lFacilitates communication among directors and with management between meetings lConvenes executive sessions of independent directors lRepresents our company in communications with stockholders and other stakeholders as appropriate Executive Sessions All members of our Board of Directors, other than our CEO, are independent."},{"id":"e32","sourceId":"filing-3","location":"Corporate Governance — independent director executive sessions","excerpt":"In order to assure that our independent directors are not inappropriately influenced by management, the independent directors meet without management in executive sessions led by our independent Chair of the Board in conjunction with each regularly scheduled meeting of our Board, and otherwise as deemed necessary by our Chair of the Board or our other independent directors."},{"id":"e33","sourceId":"filing-3","location":"Compensation committee — fiscal 2026 independence and related relationships","excerpt":"All members of the committee during fiscal 2026 were independent directors and none of them were our employees or former employees or had any relationship with us requiring disclosure of certain transactions with related persons under SEC rules."},{"id":"e34","sourceId":"filing-3","location":"Corporate Governance — actual fiscal 2026 stockholder outreach","excerpt":"Year-Round Stockholder Engagement In fiscal 2026, as part of our regular stockholder engagement program, we contacted stockholders representing approximately 65% of our shares of common stock outstanding and conducted calls with stockholders representing approximately 32% of our shares of common stock outstanding, including separate discussions with both the passive and active investment teams of certain investors."},{"id":"e35","sourceId":"filing-3","location":"Change-in-control severance — equity acceleration and performance award treatment","excerpt":"l100% vesting of any unvested outstanding equity awards granted to the executive officer by us, with any performance-based equity awards as to which the applicable performance period has not ended becoming vested at the target level (or, if more favorable, as otherwise provided in the agreement providing for a change in control)"},{"id":"e36","sourceId":"filing-1","location":"MD&A — completed February 2025 separation of HDD and Flash businesses","excerpt":"In the previous fiscal year, on February 21, 2025, we completed the Separation to create two independent public companies, with WD continuing our existing HDD business and Sandisk, formerly a wholly-owned subsidiary of the Company, operating the Flash business."}],"changes":["Retain the previous none verdict: current capabilities and stronger results do not overcome evidence of interchangeability and realized manufacturing cyclicality.","Explicitly recognize lengthy qualifications and contractual purchase commitments as limited customer continuity evidence rather than treating customer dependence as wholly unsupported.","Add numerical pricing and management assessments using supplied operating disclosures and the definitive proxy filed October 5, 2026; distinguish existing incentive arrangements from awards whose performance cycles remain incomplete."],"limitations":["All evidence comes from supplied issuer filings. Leadership and relationship assertions are distinguished from reported outcomes and contractual disclosures.","No current HDD competitor is named in the relevant supplied competition passages, so competitor arrays remain empty. Named Flash competitors in the 2024 filing concern the business subsequently separated and do not establish current HDD competitor coverage.","Relative manufacturing costs, patent exclusion effectiveness, market-share persistence, customer-level retention and contract renewal rates are not supplied.","Customer agreements disclose duration and purchase obligations, but not pricing formulas, repricing rights, exclusivity or termination penalties. Pricing evidence supports observed improvement, not unrestricted pricing discretion.","The proxy provides incentive design and governance practices, but the supplied passages do not establish actual executive ownership balances or completion of the fiscal 2026–2028 PSU cycle.","Earlier combined HDD/Flash disclosures have limited comparability following the February 2025 separation. The fiscal 2024 HDD underutilization charge is separately identified.","Source dates are filing dates, retaining dateKind filed: January 30, May 1, August 14 and October 5, 2026; August 14, 2025; and August 20, 2024. They are not retrieval dates."],"qualityAssessments":[{"category":"moat","checks":[{"criterion":"structural_advantage","grade":2,"rationale":"Patents, integrated manufacturing and realized product-cost improvements provide meaningful capabilities, but relative cost superiority and durable exclusion are unproven. Explicit interchangeability limits structural differentiation.","evidenceIds":["e1","e2","e3","e4","e6"]},{"criterion":"durability","grade":1,"rationale":"Continuing technological investment and lengthy qualifications offer some persistence, but historical excess capacity and HDD underutilization costs demonstrate fragile economic protection through cycles.","evidenceIds":["e8","e9","e10","e13"]},{"criterion":"customer_dependency","grade":1,"rationale":"Multi-year purchase commitments and qualification requirements create some friction. Interchangeable products and concentrated customers leave strong customer dependence unestablished.","evidenceIds":["e4","e11","e13","e14"]},{"criterion":"erosion_resilience","grade":1,"rationale":"Recent cost and pricing improvements demonstrate recovery, but realized HDD underutilization charges and exposure to alternative storage show weak protection against erosion. Potential future risks are not treated as realized losses.","evidenceIds":["e5","e6","e8","e9"]}]},{"category":"pricing_power","checks":[{"criterion":"realized_pricing","grade":3,"rationale":"Average selling price per exabyte increased 2% in the January 2026 quarter, 9% in the April quarter and 5% over the nine months through April. These demonstrate realized pricing strength, with product mix and demand contributing. A consumer price decline provides contrary segment evidence; through-cycle pricing power remains unproven.","evidenceIds":["e16","e17","e18","e19","e7"]},{"criterion":"retention","grade":2,"rationale":"Substantial multi-period purchase commitments, extended arrangements and increasing shipments support continued customer demand. This assessment uses contracts and indirect operating evidence; no customer-level retention or renewal rate is disclosed, and interchangeability limits lock-in.","evidenceIds":["e11","e12","e16","e4"]},{"criterion":"margin_resilience","grade":2,"rationale":"GAAP gross margin improved from 38.8% to 48.9% in fiscal 2026 alongside better costs, mix and pricing. Historical HDD underutilization charges prevent treating favorable-period expansion as demonstrated downside resilience.","evidenceIds":["e22","e6","e7","e8"]},{"criterion":"contractual_freedom","grade":1,"rationale":"Customer price protection and incentives constrain effective pricing freedom, while long-term delivery obligations commit supply. Incentive deductions declined to 9% of gross revenue in fiscal 2026, but contract repricing and termination provisions are absent.","evidenceIds":["e20","e21","e11"]}]},{"category":"strong_management","checks":[{"criterion":"capital_discipline","grade":2,"rationale":"Fiscal 2026 operating cash flow of $3.929 billion, net capital spending of $418 million and completed debt redemptions support discipline. Counterparty transaction discounts, canceled capacity projects with impairments and outstanding shares rising from 347 million to 361 million despite repurchases make the record mixed.","evidenceIds":["e22","e23","e24","e25","e26"]},{"criterion":"incentive_alignment","grade":3,"rationale":"Existing compensation combines operating and revenue targets with equity tied to adjusted free cash flow, EPS and relative shareholder returns. Ownership retention requirements and restrictions on hedging support alignment. Annual target resets within multi-year awards and change-in-control acceleration temper the assessment; incomplete PSU cycles are not treated as vested outcomes, and actual ownership balances are missing.","evidenceIds":["e27","e28","e29","e30","e35"]},{"criterion":"execution","grade":3,"rationale":"Completed business separation and debt redemptions, increased shipment volumes, improved product costs, revenue growth and substantial cash generation demonstrate strong recent execution. Attribution to management is indirect because favorable demand also contributed; nonoperating Sandisk gains are not treated as operating achievement.","evidenceIds":["e36","e23","e16","e6","e22"]},{"criterion":"governance","grade":3,"rationale":"An independent chair, independence of all directors other than the CEO, regular independent executive sessions, an independent compensation committee and documented stockholder outreach demonstrate substantive governance practices. Disclosed change-in-control equity acceleration limits the strength of shareholder protection; governance effectiveness is not guaranteed by these structures.","evidenceIds":["e31","e32","e33","e34","e35"]}]}],"financialAssessments":[],"qualityPolicy":"quality-scores-2","sourcePolicy":"issuer-evidence-4","basisHash":"98912a6dee526d953dce66a91dde1a950c37cc8c2938dd5abf5f965818def7b2","updatedAt":"2026-10-18T12:41:33.356Z","sources":[{"id":"filing-1","url":"https://www.sec.gov/Archives/edgar/data/106040/000162828026057139/wdc-20260703.htm","publishedAt":"2026-08-14","sha256":"fa75a435c2ad30b7fc72eb48a4ca785923372dc5405e0a392a732c4b66a6279f","dateKind":"filed"},{"id":"filing-2","url":"https://www.sec.gov/Archives/edgar/data/106040/000162828026029054/wdc-20260403.htm","publishedAt":"2026-05-01","sha256":"acd7c02c260bfc8e9010cb6d0657b7b5a0964e4258a023b7c047c76e37646357","dateKind":"filed"},{"id":"filing-3","url":"https://www.sec.gov/Archives/edgar/data/106040/000162828026064909/wdc-20261005.htm","publishedAt":"2026-10-05","sha256":"9aea4c05b05b60b458430e94fdfd4bb2b6ea2d3a6fde97b29f69b8aae6ef99d3","dateKind":"filed"},{"id":"filing-4","url":"https://www.sec.gov/Archives/edgar/data/106040/000010604025000038/wdc-20250627.htm","publishedAt":"2025-08-14","sha256":"31eebad8af14d197b9988b503c2d4ecd085895579181d30b3fbeca22fb4aca94","dateKind":"filed"},{"id":"filing-5","url":"https://www.sec.gov/Archives/edgar/data/106040/000010604024000031/wdc-20240628.htm","publishedAt":"2024-08-20","sha256":"8fa9ed5475d891535befd2db911cdbb4a70f5e8079c3272d45e9b126ceab34e5","dateKind":"filed"},{"id":"filing-6","url":"https://www.sec.gov/Archives/edgar/data/106040/000162828026004207/wdc-20260102.htm","publishedAt":"2026-01-30","sha256":"0f6d6a9c1f2d02eb56d3b061815823a1cbdbc0ad8912bdc174f4c0ab004b77fe","dateKind":"filed"}],"model":"gpt-6.1-sol","providerId":"codex:0fbcee7064bd41bf76564c3a94c2950e98e0d5ef02b76df70bad9941740bc854","usage":{"input_tokens":83515,"cached_input_tokens":21120,"cache_write_input_tokens":0,"output_tokens":3881,"reasoning_output_tokens":93}},"signals":[{"period":"2022","end":"2022-07-01","values":{"gross_margin":31.256318842122067,"operating_margin":12.722822327462351,"roic":10.240995918792512,"fcf_margin":4.033416697706593,"sbc_revenue":1.7346884478263183},"issues":{"pfcf_growth":"TTM FCF per diluted share growth is zero or negative; a growth-adjusted multiple requires positive growth.","software_capex":"Separately disclosed software and intangible investment is unavailable in the extracted statements for this period.","roic_wacc":"Enter a WACC assumption from 0 to 100%.","buybacks":"The reported inputs required for this metric are unavailable in the extracted statements for this period."}},{"period":"2023","end":"2023-06-30","values":{"gross_margin":15.319045299561617,"operating_margin":-10.431888293554149,"roic":null,"fcf_margin":-9.97726903718136,"sbc_revenue":2.581587920116902},"issues":{"pe":"Trailing earnings is zero or negative, so this ratio is undefined.","peg":"TTM earnings per diluted share growth is zero or negative; a growth-adjusted multiple requires positive growth.","pfcf":"Trailing free cash flow is zero or negative, so this ratio is undefined.","pfcf_growth":"TTM FCF per diluted share growth is zero or negative; a growth-adjusted multiple requires positive growth.","pocf":"Trailing operating cash flow is zero or negative, so this ratio is undefined.","ev_ebitda":"Trailing EBITDA is zero or negative, so this ratio is undefined.","software_capex":"Separately disclosed software and intangible investment is unavailable in the extracted statements for this period.","sbc_fcf":"Free cash flow before SBC deduction is zero or negative, so this ratio is undefined.","sbc_ocf":"Operating cash flow is zero or negative, so this ratio is undefined.","roic":"NOPAT is undefined under this method: pretax profit must be positive and the effective tax rate must be between 0 and 100%.","roiic":"Invested capital did not increase versus the prior year. ROIIC requires a positive increase.","roic_wacc":"Enter a WACC assumption from 0 to 100%.","net_debt_ebitda":"Trailing EBITDA is zero or negative, so this ratio is undefined.","debt_fcf":"Trailing free cash flow is zero or negative, so this ratio is undefined."}},{"period":"2024","end":"2024-06-28","values":{"gross_margin":22.648619549334768,"operating_margin":-2.4378989463969853,"roic":null,"fcf_margin":-6.006306237022225,"sbc_revenue":2.268707221410444},"issues":{"pe":"Trailing earnings is zero or negative, so this ratio is undefined.","peg":"Prior-year TTM earnings per diluted share is zero or negative; a growth-adjusted multiple is undefined.","pfcf":"Trailing free cash flow is zero or negative, so this ratio is undefined.","pfcf_growth":"Prior-year TTM FCF per diluted share is zero or negative; a growth-adjusted multiple is undefined.","pocf":"Trailing operating cash flow is zero or negative, so this ratio is undefined.","software_capex":"Separately disclosed software and intangible investment is unavailable in the extracted statements for this period.","sbc_fcf":"Free cash flow before SBC deduction is zero or negative, so this ratio is undefined.","sbc_ocf":"Operating cash flow is zero or negative, so this ratio is undefined.","roic":"NOPAT is undefined under this method: pretax profit must be positive and the effective tax rate must be between 0 and 100%.","roiic":"NOPAT is undefined under this method: pretax profit must be positive and the effective tax rate must be between 0 and 100%.","roic_wacc":"Enter a WACC assumption from 0 to 100%.","debt_fcf":"Trailing free cash flow is zero or negative, so this ratio is undefined."}},{"period":"2025","end":"2025-06-27","values":{"gross_margin":38.78151260504202,"operating_margin":24.516806722689076,"roic":null,"fcf_margin":13.434873949579831,"sbc_revenue":2.7836134453781516},"issues":{"peg":"Prior-year TTM earnings per diluted share is zero or negative; a growth-adjusted multiple is undefined.","pfcf_growth":"Prior-year TTM FCF per diluted share is zero or negative; a growth-adjusted multiple is undefined.","software_capex":"Separately disclosed software and intangible investment is unavailable in the extracted statements for this period.","roic":"NOPAT is undefined under this method: pretax profit must be positive and the effective tax rate must be between 0 and 100%.","roiic":"Invested capital did not increase versus the prior year. 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