COST 8-K — Smart Summary

Costco Wholesale Corporation reported third quarter (twelve weeks) and year-to-date results for fiscal 2026, ended May 10, 2026. Net sales for the quarter rose 11.6% to $69.2B, and net income increased 15.2% to $2.2B, or $4.93 per diluted share. The filing also includes a supplemental earnings release (Exhibit 99.2) with segment, membership, digital, and warehouse expansion details.

• Net sales Q3: $69.154B, +11.6% YoY (vs. $61.965B last year)
• Net sales first 36 weeks: $203.374B, +9.6% YoY (vs. $185.480B last year)
• Total revenue Q3: $70.527B vs. $63.205B last year
• Membership fees Q3: $1.373B, +10.7% YoY (vs. $1.240B); 36 weeks: $4.057B vs. $3.599B
• Operating income Q3: $2.815B vs. $2.530B last year; 36 weeks: $7.884B vs. $7.042B
• Net income Q3: $2.192B, +15.2% YoY (vs. $1.903B); 36 weeks: $6.228B vs. $5.489B
• Diluted EPS Q3: $4.93, +15.2% YoY (vs. $4.28); 36 weeks: $14.01 vs. $12.34
• Gross margin Q3: 11.04%, -21 bps vs. Q3 FY25 (ex-gas: +1 bp)
• SG&A Q3: 8.96%, +20 bps vs. Q3 FY25 (ex-gas: +2 bps)
• Net cash provided by operating activities (36 weeks): $11.133B vs. $9.468B last year

• U.S. comparable sales Q3: +9.4% reported; +6.8% adjusted (ex-gas/FX); ticket +7.5% reported / +5.0% adjusted; traffic +1.8%
• Canada comparable sales Q3: +10.7% reported; +6.2% adjusted; ticket +6.0% reported / +1.7% adjusted; traffic +4.4%
• Other International comparable sales Q3: +11.2% reported; +5.9% adjusted; ticket +8.1% reported / +3.0% adjusted; traffic +2.9%
• Total Company comparable sales Q3: +9.8% reported; +6.6% adjusted; ticket +7.3% reported / +4.2% adjusted; traffic +2.4%
• Digitally-enabled comparable sales Q3: +21.5% reported; +20.8% adjusted (ex-FX); e-commerce site & app traffic +37%
• U.S. comparable sales first 36 weeks: +7.1% reported; +6.4% adjusted
• Canada first 36 weeks: +9.1% reported; +7.6% adjusted
• Other International first 36 weeks: +11.0% reported; +6.6% adjusted
• Total Company first 36 weeks: +7.9% reported; +6.6% adjusted; digitally-enabled +21.6% reported / +21.1% adjusted

• Cash and cash equivalents (May 10, 2026): $18.946B vs. $14.161B at August 31, 2025
• Short-term investments: $1.050B (vs. $1.123B at August 31, 2025)
• Long-term debt (excluding current portion): $5.670B vs. $5.713B at August 31, 2025
• Repurchases of common stock (36 weeks): $603M (vs. $623M last year)
• Cash dividend payments (36 weeks): $1.154B (vs. $1.030B last year)
• Repayments of long-term debt (36 weeks): $69M
• Shares issued and outstanding: 443,514,000 (May 10, 2026) vs. 443,237,000 (August 31, 2025)

• No direct CEO or CFO quotes were included in the press release or supplemental exhibit text provided in this filing.

• Estimated warehouse count at end of FY2026: 940 total (648 U.S., 115 Canada, 177 Other International)
• Remaining FY2026 new warehouse openings estimated at 12 (11 U.S., 0 Canada, 1 Other International)
• No quantitative financial guidance for future quarters or full year was provided in the filing