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Aehr Test Systems: Q4 FY2026 earnings call

What management said about Q4 FY2026, from the documents filed with the SEC on 14 July 2026: press release. Guidance figures: 3 new. The quarter’s numbers.

Key takeaways

  • Fourth-quarter revenue rose year over year: Revenue was $18.8 million, compared with $14.1 million a year earlier and $10.3 million in the third quarter of fiscal 2026. Source
  • Record quarterly bookings: Bookings were $60.7 million, a record for the quarter, after $37.2 million in the third quarter. Management said the quarter exceeded expectations. Source
  • Backlog and effective backlog rose: Backlog at May 29, 2026 was $80.6 million. Effective backlog, including bookings since that date, was $100.6 million, against $50.9 million at February 27, 2026. Source
  • Lead AI customer ramping capacity: The lead AI production customer is raising forecast needs for FOX WLBI systems this year and beyond, and is moving its burn-in from system level to all wafer level. Source
  • Benchmark results above expectations: Benchmark testing on one processor from a major AI accelerator, CPU and network processor supplier gave results above the supplier's expectations. Source
  • Record Sonoma follow-on orders: Management reported record follow-on production orders from the lead hyperscale customer for Sonoma systems used in AI processor production burn-in. Source
  • Silicon photonics ramp and new forecast: The lead silicon photonics customer is ramping, with follow-on orders and more already this fiscal year. A newest major customer forecast additional systems this calendar year. Source
  • Cash rose to $116.5 million: Cash, cash equivalents and restricted cash were $116.5 million, up from $37.1 million at February 27, 2026, and $26.5 million at May 30, 2025. Source

“We are very pleased with our fiscal fourth quarter performance, which exceeded expectations and capped a year of significant bookings and revenue diversification for Aehr.”

Gayn Erickson, President and CEO of Aehr Test Systems

Guidance

AreaPeriodFigureAgainst last quarter
Total company revenue Sourcefiscal 2027 (year ending June 25, 2027)$130 million to $150 millionNew
Revenue growth Sourcefiscal 2027approximately 160%-200% year-over-yearNew
Non-GAAP net income as a share of revenue Sourcefiscal 202718% to 22% of total revenueNew

What changed from last quarter

  • New guidance: First fiscal 2027 revenue guidance, at $130 million to $150 million, with growth of about 160% to 200%. Source
  • New guidance: First fiscal 2027 non-GAAP net income guidance, expressed as 18% to 22% of total revenue. Source
  • New: About $8 million of new silicon carbide WLBI WaferPak orders received in the last month, per the release. Source

Fourth-quarter and full-year results

  • Fourth-quarter revenue rose year over year: Revenue was $18.8 million, compared with $14.1 million a year earlier and $10.3 million in the third quarter of fiscal 2026. Source
  • GAAP net income in the quarter: GAAP net income was $1.4 million, or $0.04 per diluted share, against a GAAP net loss of $(2.9) million, or $(0.10) per diluted share, a year earlier. Source
  • Full-year revenue and net loss: Fiscal 2026 revenue was $50.0 million, against $59.0 million in fiscal 2025. GAAP net loss was $(7.1) million, or $(0.23) per diluted share, against $(3.9) million. Source
  • Non-GAAP net income for the quarter: Non-GAAP net income was $3.6 million, or $0.11 per diluted share, compared with a non-GAAP net loss of $(0.2) million in the year-earlier quarter. Source

Bookings and backlog

  • Record quarterly bookings: Bookings were $60.7 million, a record for the quarter, after $37.2 million in the third quarter. Management said the quarter exceeded expectations. Source
  • Backlog and effective backlog rose: Backlog at May 29, 2026 was $80.6 million. Effective backlog, including bookings since that date, was $100.6 million, against $50.9 million at February 27, 2026. Source
  • Third-quarter bookings and backlog: The prior release reported third-quarter bookings of $37.2 million and backlog of $38.7 million at February 27, 2026.

“We continue to pursue additional orders from existing and prospective customers.”

Gayn Erickson, President and CEO of Aehr Test Systems

Wafer-level burn-in for AI processors

  • Lead AI customer ramping capacity: The lead AI production customer is raising forecast needs for FOX WLBI systems this year and beyond, and is moving its burn-in from system level to all wafer level. Source
  • Benchmark results above expectations: Benchmark testing on one processor from a major AI accelerator, CPU and network processor supplier gave results above the supplier's expectations. Source
  • Other AI suppliers evaluating WLBI: Additional AI processor suppliers are evaluating WLBI to improve reliability and reduce yield loss from production burn-in at a later stage. Source

Package-level burn-in for hyperscale

  • Record Sonoma follow-on orders: Management reported record follow-on production orders from the lead hyperscale customer for Sonoma systems used in AI processor production burn-in. Source
  • Second device to expand Sonoma purchases: The hyperscale customer forecasts a substantial expansion of Sonoma purchases for a second device with twice the power per package of the first. Source
  • Other package-level prospects: Management is engaged with other current and potential customers for package-level qualification and production burn-in of AI accelerators, ASICs, network processors and edge AI processors. Source

“We believe Aehr is well positioned for multiple years of strong revenue growth.”

Gayn Erickson, President and CEO of Aehr Test Systems

Silicon photonics, SiC and memory

  • Silicon photonics ramp and new forecast: The lead silicon photonics customer is ramping, with follow-on orders and more already this fiscal year. A newest major customer forecast additional systems this calendar year. Source
  • Silicon carbide recovery signs: Management sees encouraging signs of recovery in SiC power semiconductors, with engagement with several large automakers and SiC suppliers for electric vehicles. Source
  • Memory pursuits continue: The company is pursuing NAND flash and potential HBM applications on its WLBI roadmap, and is working with multiple memory suppliers as new capacity comes online. Source

Margins and operating costs

  • Gross profit rose in the quarter: Gross profit was $8.0 million, against $3.4 million in the third quarter and $4.3 million a year earlier. Full-year gross profit was $17.7 million. Source
  • Operating loss narrowed sharply in quarter: Loss from operations was $(1.2) million in the fourth quarter, against $(4.2) million in the third quarter. The full-year loss from operations was $(14.1) million. Source
  • Operating expenses rose in quarter: Research and development was $3.6 million and selling, general and administrative was $5.6 million in the quarter, up from $3.2 million and $4.4 million in the third quarter. Source

Cash, capital and share count

  • Cash rose to $116.5 million: Cash, cash equivalents and restricted cash were $116.5 million, up from $37.1 million at February 27, 2026, and $26.5 million at May 30, 2025. Source
  • Public offering proceeds in fiscal 2026: The cash flow statement shows $97.4 million of net public offering proceeds in fiscal 2026, and $2.2 million from employee stock plans. Source
  • Operating cash use narrowed: Cash used in operating activities was $3.3 million in fiscal 2026, against $7.4 million in fiscal 2025. Purchases of property and equipment were $2.1 million, against $5.0 million. Source
  • Shares outstanding increased: Shares outstanding were 32,480 thousand at May 29, 2026, up from 30,954 thousand at February 27, 2026 and 29,877 thousand at May 30, 2025. Source
  • Tax-withholding share repurchases: Shares repurchased for tax withholding on RSU vesting totaled $2.4 million in fiscal 2026. The release describes no buyback program. Source

Coming up, as management said on 14 July 2026

  • Pilot production validation for AI supplier: The top-tier AI processor supplier has expressed interest in pilot production test validation for its current high-volume device, which is expected to keep ramping. Source
  • Second device evaluation in parallel: The AI processor supplier recently asked the company to evaluate a second device in parallel with the first. Source

Figures management reported

FigureReported
Backlog as of May 29, 2026 Source$80.6 million
Effective backlog, including bookings since May 29, 2026 Source$100.6 million

Risks management discussed

  • Demand: The fiscal 2027 revenue guidance rests on the information available today, including current backlog and anticipated customer demand. Source

Earlier plans management reported on

  • Not stated: Management says it anticipated silicon photonics momentum for the past year and that the momentum is now visible. Source
  • Not stated: The prior release said second-half bookings would be at the high end of this range. This release reports fourth-quarter bookings of $60.7 million and does not restate the range. Source
  • Not stated: The prior release said full-year revenue would be on the high side of this range. This release reports $50.0 million and does not state a position against the range. Source

Other quarters

Summarised with AI from the documents the company filed with the SEC. Every point is checked against the filing before it is shown: management’s own words word for word, figures against the line or table row they come from. A point that fails the check is left out. Source opens the filing at that line.