Kaiser Aluminum (KALU) Earnings Date & Reports

Key Takeaways

• Kaiser Aluminum reported third quarter 2026 net sales of $1.215 billion, up roughly 44% year over year, while Conversion Revenue rose 25% to $439 million.
• Adjusted earnings per share (EPS) of $1.89 missed the $2.37 consensus estimate, and adjusted EBITDA margin narrowed to 19.1% from 23.2% a year earlier.
• A roughly $29 million year-over-year swing in metal price lag reversed a prior-year tailwind, offsetting stronger shipments and pricing.
• Operational issues, including a planned Bellwood outage and roll coat start-up costs, weighed on margins by about 640 basis points.
• Management now expects 2026 adjusted EBITDA growth toward the lower end of its 45% to 55% guidance range, and shares fell about 23% following the release.

Earnings Context and Why It Matters

Kaiser Aluminum is a leading producer of semi-fabricated specialty aluminum products serving aerospace and high-strength, packaging, general engineering, and automotive extrusion markets. Its third quarter 2026 report arrives after several quarters of unusually strong metal price tailwinds and favorable scrap spreads that inflated earnings. Because aluminum metal costs are largely passed through to customers, investors focus on Conversion Revenue and adjusted EBITDA (earnings before interest, taxes, depreciation, and amortization) as measures of underlying operating performance. The shift from metal-driven gains back to more normalized conditions makes this report a key test of whether Kaiser's core business and recent strategic investments can sustain growth on their own merits.

Reported Results

For the third quarter ended September 30, 2026, Kaiser Aluminum reported net sales of $1.215 billion, up from $844 million in the prior-year period, driven by higher realized prices and an 11% increase in shipments to 300 million pounds. Conversion Revenue climbed 25% to $439 million, reflecting favorable pricing and improved product mix.

Net income declined to $31 million from $39.5 million a year earlier, with diluted EPS of $1.84. Adjusted EPS was $1.89, slightly above the prior-year $1.86 but well below the $2.37 consensus estimate. Adjusted EBITDA rose 3% to $84 million, while adjusted EBITDA margin contracted to 19.1% from 23.2%. Operating income increased 13% to $55 million.

The results were shaped by a metal price lag swing of roughly $29 million year over year—a favorable $28 million tailwind in the prior-year quarter became an unfavorable $1 million impact this quarter. Higher metal consumption costs tied to lower scrap utilization, a planned partial outage at the Bellwood facility, and continued roll coat start-up costs contributed approximately 640 basis points of margin pressure.

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Market Reaction and Investor Sentiment

The market responded sharply to the miss. Kaiser Aluminum shares fell roughly 23% following the release, as adjusted EPS came in below consensus and the adjusted EBITDA margin contracted despite a strong 25% rise in Conversion Revenue. Investors appeared to weigh the fading metal price lag benefit alongside the operational headwinds, viewing the quarter's margin compression as evidence that near-term execution costs remain elevated even as underlying demand stays healthy. The selloff also reflects positioning, as the stock had already re-rated higher into the report on expectations of continued double-digit earnings growth.

Forward Outlook and Key Factors to Monitor

For the remainder of 2026, Kaiser Aluminum continues to expect Conversion Revenue growth at the high end of its 10% to 15% outlook, supported by end-market strength and favorable pricing and mix. However, management now expects adjusted EBITDA growth toward the lower end of its 45% to 55% range, citing planned operational outages, execution performance, customer year-end inventory alignment, and metal-related headwinds.

Several factors will shape the next several quarters. First, investors should monitor whether the Bellwood expansion and roll coat initiatives move past their start-up phase, since these costs were a meaningful drag on third quarter margins. Second, scrap spreads and scrap utilization will be closely watched, as tighter spreads and lower utilization directly pressure metal consumption costs.

Third, the leadership transition adds a layer of change: Fred Stephan becomes President and CEO effective November 1, 2026, succeeding Keith A. Harvey, who moves to Executive Chairman. Finally, Kaiser's improved balance sheet—net debt leverage fell to 2.0x, and Moody's upgraded the credit rating to Ba3—provides financial flexibility even as near-term margins normalize.

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