Filing Flows › Kaiser Aluminum (KALU) › Q3 2025
Kaiser Aluminum (KALU) Q3 2025 earnings results (third quarter 2025)
10-Q filed Oct 23, 2025
Kaiser Aluminum (KALU) reported revenue of $844M for the third quarter 2025 (Q3 2025), +13% from a year earlier and +2% from the quarter before. Operating margin was 5.8%, net earnings $39.5M (4.7% of revenue).
Kaiser Aluminum, Q3 2025: revenue $844M (+13% year over year), operating margin 5.8%, net earnings $39.5M, operating cash flow $59.1M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $844M | +2% | +13% |
| Operating profit | $48.8M | +28% | +270% |
| Net earnings | $39.5M | +70% | +349% |
| Operating cash flow | $59.1M | +272% | +73% |
| Free cash flow | $34.5M | — | — |
What changed
Revenue was $843.5M in Q3 2025, up 13% year over year and up 2% from the previous quarter. Packaging was the largest line at 47% of revenue. Packaging added $74.4M year over year (up 23%), 78% of the total change. Aero Hs Products declined 15%.
Operating profit was $48.8M, a 5.8% margin (up 4.0 points year over year). Of the extra revenue versus a year earlier, 37% reached operating profit, above the 2% margin then. Total costs grew 8% against revenue growth of 13%. The fastest-growing cost line was Other operating costs (+13%). Net earnings were $39.5M, up 349% year over year. The effective tax rate was 17.4%.
Operating cash flow was $59.1M (up 73% year over year), 150% of net earnings. Non-cash charges added back $32.0M of depreciation and amortization and $5.0M of share-based compensation. Working capital and other items used $17.4M. Capital expenditures of $24.6M left free cash flow of $34.5M.
Questions
What was Kaiser Aluminum's revenue in the third quarter 2025?
Kaiser Aluminum (KALU) reported revenue of $844M for the third quarter 2025 (Q3 2025), +13% from a year earlier and +2% from the quarter before.
Was Kaiser Aluminum profitable in the third quarter 2025?
Operating profit was $48.8M (5.8% of revenue) and net earnings $39.5M.
Source: Kaiser Aluminum 10-Q on SEC EDGAR.