Filing Flows › Kaiser Aluminum (KALU) › Q1 2026
Kaiser Aluminum (KALU) Q1 2026 earnings results (first quarter 2026)
10-Q filed Apr 23, 2026
Kaiser Aluminum (KALU) reported revenue of $1.1B for the first quarter 2026 (Q1 2026), +42% from a year earlier and +19% from the quarter before. Operating margin was 8.8%, net earnings $62.5M (5.6% of revenue).
Kaiser Aluminum, Q1 2026: revenue $1.1B (+42% year over year), operating margin 8.8%, net earnings $62.5M, operating cash flow $87.9M. The chart follows the revenue to costs, profit and cash.
| Q1 2026 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $1.1B | +19% | +42% |
| Operating profit | $97.8M | +61% | +136% |
| Net earnings | $62.5M | +122% | +189% |
| Operating cash flow | $87.9M | — | +54% |
| Free cash flow | $68.5M | — | +264% |
What changed
Revenue was $1.1B in Q1 2026, up 42% year over year and up 19% from the previous quarter. Packaging was the largest line at 45% of revenue. Packaging added $0.18B year over year (up 59%), 56% of the total change.
Operating profit was $0.10B, a 8.8% margin (up 3.5 points year over year). Of the extra revenue versus Q1 2025, 17% reached operating profit, above the 5% margin then. Total costs grew 37% against revenue growth of 42%. The fastest-growing cost line was Cost of revenue (+40%). Net earnings were $0.06B, up 189% year over year. The effective tax rate was 24.2%.
Operating cash flow was $0.09B (up 54% year over year), 141% of net earnings. Non-cash charges added back $0.03B of depreciation and amortization and $0.01B of share-based compensation. Working capital and other items used $0.01B. Capital expenditures of $0.02B left free cash flow of $0.07B.
Questions
What was Kaiser Aluminum's revenue in the first quarter 2026?
Kaiser Aluminum (KALU) reported revenue of $1.1B for the first quarter 2026 (Q1 2026), +42% from a year earlier and +19% from the quarter before.
Was Kaiser Aluminum profitable in the first quarter 2026?
Operating profit was $97.8M (8.8% of revenue) and net earnings $62.5M.
Source: Kaiser Aluminum 10-Q on SEC EDGAR.