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Wolfspeed, Inc.: Q4 FY2026 earnings call

What management said about Q4 FY2026, from the documents filed with the SEC on 19 August 2026: press release. Guidance figures: 2 new. The quarter’s numbers.

Key takeaways

  • Net loss widened from prior quarter: GAAP net loss was $145.4 million, or $2.81 per diluted share, against a $119.9 million loss and $3.05 per share in the prior quarter. Adjusted EBITDA was ($62.4) million, against ($61.7) million. Source
  • AI data center revenue grew sharply: AI data center revenue more than doubled year-over-year in fiscal 2026. It rose about 20% sequentially in the fourth quarter, after roughly 30% sequential growth in the third quarter. Source
  • Power Products up, Materials down: Power Products revenue was $106.3 million, up from $100.1 million in the prior quarter and down from $118.6 million a year earlier. Materials Products was $43.3 million, down from $50.1 million and $78.4 million. Source
  • Fifth-generation SiC MOSFET launched: The company launched its fifth-generation SiC MOSFET, which it describes as a significant advancement in its technology roadmap. Source
  • Gross margin negative on both bases: GAAP gross margin was (25)% and non-GAAP gross margin was (20)%, against (27)% and (21)% in the prior quarter. A year earlier, GAAP gross margin was (13)%. Source
  • Free cash flow negative $60.9 million: Free cash flow was ($60.9) million, against ($90.0) million in the prior quarter. Net PP&E spending was $5.0 million after reimbursements, and patents spending was $1.8 million. Source
  • Convertible notes converted to equity: Holders of $46 million of convertible notes voluntarily converted to equity in the fourth quarter. Convertible notes, net, were $756.5 million, against $798.3 million at March 29, 2026. Source

“We continued to expand our device business, highlighted by strong growth in AI data center applications and the launch of our fifth-generation SiC MOSFET.”

Wolfspeed CEO Robert Feurle

Guidance

AreaPeriodFigureAgainst last quarter
Revenue SourceFirst quarter of fiscal 2027$140 million to $160 millionNew
Non-GAAP operating expenses SourceFirst quarter of fiscal 2027$62 million to $66 millionNew

What changed from last quarter

  • New guidance: Management gave a numeric non-GAAP operating expense range for the first quarter of fiscal 2027. The prior release gave only a qualitative view, approximately flat with the third quarter. Source
  • Guidance kept: Management said gross margins remain negative, as in the prior release for the fourth quarter.
  • New: Launched a fifth-generation SiC MOSFET, which management describes as a significant advancement in its technology roadmap. Source
  • New: Launched a dedicated data center solutions team based in Silicon Valley, and entered a strategic collaboration with LITEON Technology. Source
  • New: Announced a Memorandum of Understanding with GE Aerospace, in the same sentence as the 10kV MOSFET award. Source
  • New: Andy Mattes, an experienced public technology company executive, was appointed to the Board of Directors. Source
  • New: Holders of $46 million of convertible notes exercised a voluntary conversion of their debt to equity during the quarter. Source
  • New: Additional headcount reductions were implemented in the second and fourth quarters of fiscal 2026. Source

Results and growth drivers

  • Revenue near prior-quarter level: Revenue was $149.6 million, against $150.2 million in the prior quarter and $197.0 million a year earlier. Management said revenue was aligned with the midpoint of its guidance range. Source
  • Net loss widened from prior quarter: GAAP net loss was $145.4 million, or $2.81 per diluted share, against a $119.9 million loss and $3.05 per share in the prior quarter. Adjusted EBITDA was ($62.4) million, against ($61.7) million. Source
  • AI data center revenue grew sharply: AI data center revenue more than doubled year-over-year in fiscal 2026. It rose about 20% sequentially in the fourth quarter, after roughly 30% sequential growth in the third quarter. Source

Product lines and end markets

  • Power Products up, Materials down: Power Products revenue was $106.3 million, up from $100.1 million in the prior quarter and down from $118.6 million a year earlier. Materials Products was $43.3 million, down from $50.1 million and $78.4 million. Source
  • AI data center moderate in size: Management described AI data center as moderate in size but growing, and said the fourth-quarter growth shows long-term potential. Source
  • Data center team and LITEON collaboration: A dedicated data center solutions team was set up to address what the company calls its fastest growing end market. A strategic collaboration with LITEON Technology was also announced. Source

“These achievements strengthen our technology leadership and confidence in our long-term growth opportunities”

Wolfspeed CEO Robert Feurle

Products and technology

  • Fifth-generation SiC MOSFET launched: The company launched its fifth-generation SiC MOSFET, which it describes as a significant advancement in its technology roadmap. Source
  • 10kV MOSFET named Top Innovation: The 10kV MOSFET was named Top Innovation at the 2026 Power Conversion and Intelligent Motion conference. The company had made the 10kV MOSFET commercially available in the prior quarter. Source
  • GE Aerospace memorandum of understanding: The company announced a Memorandum of Understanding with GE Aerospace, in the same sentence as the 10kV MOSFET award. The release gives no terms. Source

Margins and operating costs

  • Gross margin negative on both bases: GAAP gross margin was (25)% and non-GAAP gross margin was (20)%, against (27)% and (21)% in the prior quarter. A year earlier, GAAP gross margin was (13)%. Source
  • Non-GAAP operating loss little changed: Non-GAAP operating loss was $92.1 million, or (62)% of revenue, against $91.6 million, or (61)%, in the prior quarter. Source
  • Restructuring and other expenses rose: Restructuring and other expenses were $15.9 million, up from $10.6 million in the prior quarter and down from $122.8 million a year earlier. GAAP operating loss was $115.4 million. Source

“We are aggressively targeting initiatives to further reduce our debt and cost of capital as well as enhance our financial positioning”

Wolfspeed CFO Gregor van Issum

Cash, liquidity and working capital

  • Operating cash outflow smaller than prior quarter: Cash used in operating activities was $54.1 million, against $83.8 million in the prior quarter and $242.5 million a year earlier. Source
  • Free cash flow negative $60.9 million: Free cash flow was ($60.9) million, against ($90.0) million in the prior quarter. Net PP&E spending was $5.0 million after reimbursements, and patents spending was $1.8 million. Source
  • Cash and short-term investments declined: Cash, cash equivalents and short-term investments were $1,088.6 million at June 28, 2026, against $1,164.8 million at March 29, 2026. Source
  • Inventories fell from prior quarter: Inventories, net were $234.2 million, against $280.5 million at March 29, 2026. Accounts receivable, net were $98.2 million, against $96.8 million. Source

Capital structure and debt

  • Convertible notes converted to equity: Holders of $46 million of convertible notes voluntarily converted to equity in the fourth quarter. Convertible notes, net, were $756.5 million, against $798.3 million at March 29, 2026. Source
  • Interest expense fell from prior quarter: Interest expense, net of capitalized interest, was $39.8 million, against $52.1 million in the prior quarter and $84.8 million a year earlier. Source
  • Diluted share count rose: Diluted weighted average shares were 51,799 thousand, against 39,282 thousand in the prior quarter. Source

Leadership, board and workforce

  • Andy Mattes joins board: Andy Mattes, described as an experienced public technology company executive, was appointed to the Board of Directors. Source
  • Additional headcount reductions in fiscal 2026: The company implemented additional headcount reductions in the second and fourth quarters of fiscal 2026. The related costs, primarily severance, were recorded in those quarters. Source
  • 2025 Restructuring Plan goal: The 2025 Restructuring Plan, begun in the first quarter of fiscal 2025, aims to optimize the operating model and accelerate the transition to 200 mm silicon carbide offerings. Source

Coming up, as management said on 19 August 2026

  • Next update covers first quarter fiscal 2027: The next results to be guided are for the first quarter of fiscal 2027, with the revenue, gross margin and operating expense ranges given above. Source

Figures management reported

FigureReported
Gross margin SourceGAAP (25)%; non-GAAP (20)%
AI data center revenue (end market) Sourcemore than doubled year-over-year in fiscal 2026; up about 20% sequentially in the fourth quarter

Risks management discussed

  • Operational: Management expects non-GAAP gross margin to stay negative into the first quarter of fiscal 2027. Source
  • Financial: Operating cash outflow continued in the quarter, and management is targeting initiatives to reduce debt and cost of capital. Source

Earlier plans management reported on

  • Met: Revenue was reported as aligned with the midpoint of the fiscal fourth-quarter guidance range given in the prior release. 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.