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Constellium SE (CSTM) earnings and revenue breakdown

Latest: Q3 2026 · 10-Q filed Oct 28, 2026 · Constellium SE (CSTM) Q3 2026 earnings results →

Q3 2026 Revenue up 22% year over year to $2.6B · 5¢ of every $1 of revenue kept as net profit · operating margin 6.1%

Constellium SE made $2.6B in Q3 2026 (+22% Y/Y): Packaging rolled products $1.2B, Automotive rolled products $407M, Aerospace rolled products $329M. Operating margin 6.1%, net earnings $119M. See where every dollar goes — costs, profit and cash — as a Sankey from the 10-Q filed Oct 28, 2026.

Revenue$2.6B

Year over year+22%

Operating margin6.1%

Net earnings$119M

Operating cash flow$186M

Drawing the Sankey…

Open the interactive Sankey → click any line for what the company wrote about it, compare Y/Y and Q/Q, export as PNG or PDF

What changed this quarter

Revenue was $2.6B in Q3 2026, up 22% year over year and down 4% from the previous quarter. Packaging rolled products was the largest line at 45% of revenue. Packaging rolled products added $0.20B year over year (up 21%), 43% of the total change. Automotive extruded products declined 7%.

Operating profit was $0.16B, a 6.1% margin (up 0.2 points year over year). Of the extra revenue versus Q3 2025, 7% reached operating profit, above the 6% margin then. Total costs grew 22% against revenue growth of 22%. The fastest-growing cost line was Cost of revenue (+23%). Net earnings were $0.12B, up 33% year over year. The effective tax rate was 25.6%.

Operating cash flow was $0.19B (up 88% year over year), 156% of net earnings. Non-cash charges added back $0.08B of depreciation and amortization and $0.01B of share-based compensation. Working capital and other items used $0.02B. Capital expenditures of $0.06B left free cash flow of $0.12B.

Quarterly history

Quarter	Form	Filed	Revenue	Y/Y	Op. margin	Net earnings	Op. cash flow
Q3 2026	10-Q	Oct 28, 2026	$2.6B	+22%	6.1%	$119M	$186M
Q2 2026	10-Q	Jul 29, 2026	$2.7B	+31%	7.8%	$146M	$161M
Q1 2026	10-Q	Apr 29, 2026	$2.5B	+24%	11.1%	$199M	$73.0M
Q4 2025	10-K	Feb 25, 2026	$2.2B	+28%	7.5%	$113M	$218M
Q3 2025	10-Q	Oct 29, 2025	$2.2B	+20%	5.8%	$88.0M	$99.0M
Q2 2025	10-Q	Jul 31, 2025	$2.1B	+9%	2.7%	$36.0M	$114M
Q1 2025	10-Q	Apr 30, 2025	$2.0B	+5%	3.1%	$38.0M	$58.0M

Charts

Latest (Q3 2026): Y/Y +22%, Q/Q -4%.

From the cash-flow statement as filed (SEC XBRL). Cash is fungible: the bars do not say which dollar paid for what.

Latest (Q3 2026): Net income $119M, Operating cash flow $186M.

-3.4% since FY2022: buybacks shrank the count.

Cash $120M, short-term investments —, long-term debt $1.9B at 2025-12-31.