Sandisk Corporation (Nasdaq: SNDK) reported fiscal fourth quarter 2026 financial results on August 5, 2026. The SNDK Q4 2026 earnings release showed revenue of $8.965 billion for the quarter ended July 3, 2026, up 51% sequentially and up 372% year-over-year. GAAP diluted net income per share was $43.97; Non-GAAP diluted net income per share was $39.25. The results were reported above the high end of the company's prior guidance range, as noted in earnings call commentary (GuruFocus, August 5, 2026).

Source: Sandisk Corporation Q4 FY2026 Press Release, August 5, 2026 (SEC filing). N/M = not a meaningful figure. No third-party consensus estimate was available in the source materials for this quarter.

1. Did Sandisk Beat or Miss in Q4 2026?

Sandisk's Q4 FY2026 results came in above the high end of the company's own prior guidance range, according to earnings call commentary reported on August 5, 2026 (GuruFocus earnings call highlights). Consensus estimate data from a named third-party provider (such as LSEG or FactSet) was not included in the available source materials; therefore, no comparison against a third-party consensus estimate can be reported here.

1.1 Revenue

Q4 FY2026 revenue was $8,965 million (Sandisk Q4 FY2026 Press Release, SEC filing). This compares to $5,950 million in Q3 FY2026 (up 51% sequentially) and $1,901 million in Q4 FY2025 (up 372% year-over-year). The company stated in its press release that sequential revenue growth came approximately one-third from higher volumes and two-thirds from higher pricing.

For the full fiscal year 2026, revenue was $20,248 million, up 175% from $7,355 million in fiscal year 2025 (Sandisk Q4 FY2026 Press Release).

1.2 Earnings Per Share

GAAP diluted net income per share for Q4 FY2026 was $43.97, compared to a GAAP diluted net loss per share of $(0.16) in Q4 FY2025 (Sandisk Q4 FY2026 Press Release, Consolidated Statements of Operations).

Non-GAAP diluted net income per share for Q4 FY2026 was $39.25, compared to Non-GAAP diluted net income per share of $0.29 in Q4 FY2025 (Sandisk Q4 FY2026 Press Release, GAAP to Non-GAAP Reconciliation).

Non-GAAP figures exclude stock-based compensation expense, business separation costs, employee termination and other charges, gain/loss on business divestiture, loss on debt extinguishment, gain/loss on equity securities, and related income tax adjustments. See the GAAP-to-Non-GAAP reconciliation in the company's press release for full detail.

For fiscal year 2026, GAAP diluted net income per share was $73.76 and Non-GAAP diluted net income per share was $70.88, compared to GAAP diluted net loss per share of $(11.32) and Non-GAAP diluted net income per share of $2.99 in fiscal year 2025 (Sandisk Q4 FY2026 Press Release).

2. How Did SNDK Stock React?

Stock price data, percentage change, session detail, timestamp, price source, and 52-week range for SNDK were not included in the available source materials. No stock price reaction can be reported here. For current SNDK price data, refer to Nasdaq official market data or the Sandisk investor relations page at investor.sandisk.com.

3. What Guidance Did Sandisk Give?

For the fiscal first quarter of 2027, the company stated the following outlook in its August 5, 2026 press release (Sandisk Q4 FY2026 Press Release, SEC filing):

Source: Sandisk Corporation Business Outlook for Fiscal First Quarter of 2027, Press Release dated August 5, 2026.

The company stated that Non-GAAP gross margin guidance excludes stock-based compensation expense of approximately $5 million to $7 million, Non-GAAP operating expenses guidance excludes stock-based compensation expense of approximately $54 million to $74 million, and Non-GAAP diluted net income per share guidance excludes these items totaling $59 million to $81 million (Sandisk Q4 FY2026 Press Release, footnote 1).

The company noted that full reconciliations of Non-GAAP guidance metrics to the most directly comparable GAAP financial measures are not available without unreasonable effort due to the uncertainty in timing and amounts of certain adjustments.

The press release's forward-looking statements legend states: "These forward-looking statements are based on management's current expectations and are subject to risks and uncertainties that could cause actual results to differ materially from those expressed or implied in the forward-looking statements" (Sandisk Q4 FY2026 Press Release, Forward-Looking Statements section).

No third-party consensus estimate for Q1 FY2027 was available in the source materials for comparison.

4. What Did the Company Report by Segment?

Sandisk reports revenue across three end markets: Datacenter, Edge, and Consumer.

4.1 Q4 FY2026 Segment Revenue

Source: Sandisk Corporation End Market Summary, Q4 FY2026 Press Release, August 5, 2026. N/M = not a meaningful figure.

4.2 Fiscal Year 2026 Segment Revenue

Source: Sandisk Corporation End Market Summary, Q4 FY2026 Press Release, August 5, 2026.

Consumer revenue declined 32% sequentially in Q4 FY2026 to $556 million, from $820 million in Q3 FY2026, and also declined 5% year-over-year from $585 million in Q4 FY2025 (Sandisk Q4 FY2026 Press Release).

4.3 Management Statements

David Goeckeler, Chairman and Chief Executive Officer of Sandisk, stated in the August 5, 2026 press release:

"We closed fiscal 2026 with a leading technology portfolio, established datacenter as a key growth pillar, and deepened our customer partnerships. Our technology and products are well positioned to create value for our customers and generate growing and durable free cash flow."

(Source: Sandisk Q4 FY2026 Press Release, August 5, 2026)

4.4 Cash Flow and Capital Return

Q4 FY2026 cash flow from operating activities was $7,126 million, with free cash flow (operating cash flow less capital expenditures of $43 million) of $7,083 million, and adjusted free cash flow of $5,035 million (Sandisk Q4 FY2026 Press Release, Non-GAAP reconciliation). Adjusted free cash flow is defined as free cash flow adjusted for Flash Ventures activity and New Business Model (NBM) prepayments and deposits.

For fiscal year 2026, cash flow from operating activities was $11,671 million, free cash flow was $11,494 million, and adjusted free cash flow was $8,743 million (Sandisk Q4 FY2026 Press Release).

The company repurchased $4,524 million of common stock during Q4 FY2026 (Sandisk Q4 FY2026 Consolidated Statements of Cash Flows). The Board of Directors approved an additional $14 billion share repurchase authorization, bringing total remaining authorization to $15.5 billion as of the reporting date (Sandisk Q4 FY2026 Press Release).

As of July 3, 2026, cash and cash equivalents were $4,762 million, compared to $1,481 million as of June 27, 2025. Total long-term debt as of July 3, 2026 was $0 (fully repaid), compared to $1,829 million as of June 27, 2025 (Sandisk Q4 FY2026 Consolidated Balance Sheets).

5. What Risk Factors Did Sandisk Disclose?

The following risk factors are drawn from the forward-looking statements section and cautionary language in Sandisk's Q4 FY2026 press release dated August 5, 2026. Sandisk stated that actual results may differ materially from forward-looking statements as a result of the following factors, among others (Sandisk Q4 FY2026 Press Release, Forward-Looking Statements section):

• Adverse changes in global or regional economic conditions, including the impact of evolving trade policies, tariff regimes, and trade wars.

• Volatility in demand for the company's products, including pricing trends and fluctuations in average selling prices.

• Difficulties or delays in product ramps, manufacturing, or other supply chain disruptions, including the company's reliance on strategic relationships with key partners, including Kioxia Corporation.

• Risks related to the company's long-term agreements, including risks associated with the New Business Model agreements and the company's reliance on customer commitments.

• Cybersecurity incidents or other data system security risks that could compromise, damage, or interrupt the company's operations.

• Fluctuations in currency exchange rates that may affect reported results.

• Risks associated with compliance with changing legal and regulatory requirements.

The press release further notes: "Other key risks and uncertainties … are listed in the Company's filings with the Securities and Exchange Commission, including our Annual Report on Form 10-K and Quarterly Reports on Form 10-Q" (Sandisk Q4 FY2026 Press Release, Forward-Looking Statements section).

6. When Is Sandisk's Next Earnings Date?

The specific date for Sandisk's next earnings announcement (fiscal first quarter of 2027 results) was not published in the available source materials as of the August 5, 2026 press release. For confirmed calendar dates, refer to the Sandisk investor relations page at investor.sandisk.com.

No ex-dividend date, dividend payment date, or shareholder meeting date was disclosed in the available source materials. Sandisk stated in its August 5, 2026 earnings call that share repurchases are the current capital return mechanism, and that the company views repurchases as more tax-efficient than a dividend "at this point" (GuruFocus earnings call highlights, August 5, 2026).

7. FAQ

Q1: What was Sandisk's revenue in Q4 2026?
Sandisk reported Q4 FY2026 revenue of $8,965 million, up 51% sequentially from $5,950 million in Q3 FY2026 and up 372% year-over-year from $1,901 million in Q4 FY2025 (Sandisk Q4 FY2026 Press Release, August 5, 2026).

Q2: What was SNDK's earnings per share in Q4 2026?
GAAP diluted net income per share was $43.97 and Non-GAAP diluted net income per share was $39.25 for Q4 FY2026, compared to GAAP diluted net loss per share of $(0.16) and Non-GAAP diluted net income per share of $0.29 in Q4 FY2025 (Sandisk Q4 FY2026 Press Release and GAAP-to-Non-GAAP Reconciliation, August 5, 2026).

Q3: What guidance did Sandisk give for Q1 FY2027?
The company said it expects Q1 FY2027 revenue in the range of $10,300 million to $10,800 million, and Non-GAAP diluted net income per share in the range of $44.00 to $46.00 (Sandisk Q4 FY2026 Press Release, Business Outlook section, August 5, 2026).

Q4: How did Sandisk's Datacenter segment perform in Q4 2026?
Datacenter segment revenue was $2,977 million in Q4 FY2026, up 103% sequentially from $1,467 million in Q3 FY2026, and up from $213 million in Q4 FY2025 (Sandisk Q4 FY2026 Press Release, End Market Summary, August 5, 2026).

Q5: What is Sandisk's share repurchase authorization as of Q4 2026?
The Board of Directors approved an additional $14 billion buyback program during Q4 FY2026, bringing total remaining authorization to $15.5 billion; the company repurchased $4,524 million of common stock during Q4 FY2026 (Sandisk Q4 FY2026 Press Release, August 5, 2026).

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