Constellium (NYSE: CSTM) has signed a multi-year agreement with Airbus to supply aluminum alloy extrusions, including its aluminum-lithium solution Airware®, strengthening their long-term aerospace partnership.
Shipments will come from Constellium’s Issoire and Montreuil-Juigné, France facilities and cover bars plus small and large extrusions for structural aircraft applications.
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$30.28
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Volume
Volume 1,606,319 is below the 20‑day average of 2,228,822, suggesting a moderate participation move pre‑news.
normal
Technical
Price at $30.28 is above the 200‑day MA of $18.90 and sits 2.95% below the 52‑week high of $31.20.
CSTM was up 2.37% while peers were mixed: KALU up 2.85%, AA up 0.44%, NGVT up 0.41%, but CENX down 1.59% and MTX down 0.68%. With no peers in the momentum scanner, the move appears stock‑specific rather than a broad aluminum rotation.
Date
Event
Sentiment
Move
Catalyst
Apr 15
Earnings date notice
Neutral
-2.9%
Announcement of upcoming Q1 2026 earnings release and conference call.
Mar 12
Share repurchase plan
Positive
+0.1%
Board authorization of new $300 million share buyback program through 2028.
Mar 03
Sustainability report
Positive
-0.9%
Publication of 2025 sustainability report with emissions and recycling progress.
Feb 18
Earnings and guidance
Positive
+9.5%
Strong Q4 and 2025 results plus 2026 EBITDA and free cash flow guidance.
Jan 28
Earnings date notice
Neutral
+1.7%
Scheduling of Q4 and full‑year 2025 earnings release and conference call.
Pattern Detected
Strong fundamental or capital‑return news (earnings, buybacks) has previously coincided with positive price reactions, while sustainability and scheduling updates saw muted or negative moves.
Recent Company History
Over the last few months, Constellium highlighted several milestones. On Feb 18, it reported strong Q4 and full‑year 2025 results with a 9.53% next‑day gain. A new $300 million share repurchase program announced on Mar 12 produced a flat reaction. Sustainability progress released on Mar 3 and earnings‑date notices on Jan 28 and Apr 15 led to small moves, including declines of 2.88% and 0.88%. Today’s Airbus supply agreement fits the pattern of operational wins driving interest when perceived as financially material.
This announcement underscores Constellium’s role as a long‑term supplier to Airbus, providing advanced aluminum alloy extrusions and its aluminum‑lithium solution for demanding aircraft structures. With shares trading near the $31.20 52‑week high and above the $18.90 200‑day MA, investors may focus on how this multi‑year agreement supports future volumes, margins, and capital allocation alongside existing buyback authorizations and recent earnings momentum.
AI-generated analysis. Not financial advice.
04/21/2026 – 06:00 AM
PARIS, April 21, 2026 (GLOBE NEWSWIRE) — Constellium SE (NYSE: CSTM) announced today that it has entered a multi-year agreement with Airbus for the supply of aluminum alloy extrusions, reinforcing our role as a trusted supplier of advanced aluminum solutions for Airbus’ programs and strengthening our long-term partnership.
Under this agreement, Constellium will supply Airbus with a wide range of extrusions manufactured using advanced aluminum alloys, and Constellium’s aluminum-lithium solution, Airware®. The scope includes bars, and a range of small and large extrusions, engineered to meet stringent quality requirements and optimized strength-to-weight performance, supporting demanding aircraft structural applications.
“This agreement reflects Airbus’ trust in our advanced aluminum products and solutions, and in our quality performance, industrial reliability and consistent supply continuity to support long-term aerospace programs,” said Philippe Hoffmann, President of Constellium’s Aerospace and Transportation business unit. “We are committed to continue to grow our outstanding relationship with Airbus, leveraging our comprehensive product portfolio, proprietary solutions, unique manufacturing capabilities, and recycling expertise.”
Constellium will supply Airbus from its facilities in Issoire and Montreuil-Juigné, France.
Constellium is a leading supplier in the aircraft, defense, and space markets. With a broad portfolio of high-performance aluminum products, including its aluminum-lithium solution Airware®, Constellium offers proven industrial and recycling capabilities, as well as cutting-edge technologies to meet the most demanding aerospace applications.
About Constellium
Constellium (NYSE: CSTM) is a global sector leader that develops innovative, value-added aluminum products for a broad scope of markets and applications, including aerospace, packaging and automotive. Constellium generated $8.4 billion of revenue in 2025.
Media Contacts Investor RelationsCommunicationsJason HershiserDelphine Dahan-KocherPhone: +1 443 988-0600Phone: +1 443 420 7860investor-relations@constellium.comdelphine.dahan-kocher@constellium.com 
FAQ
What did Constellium (CSTM) announce on April 21, 2026 with Airbus?
Constellium announced a multi-year supply agreement to provide Airbus with aluminum alloy extrusions. According to the company, the scope covers bars and small and large extrusions, including its Airware® aluminum-lithium solution, for demanding aircraft structural applications.
Which Constellium products will Airbus receive under the CSTM agreement?
Airbus will receive a range of aluminum alloy extrusions, including Constellium’s Airware® aluminum-lithium solution. According to the company, the supply includes bars and both small and large extrusions engineered for high strength-to-weight aerospace uses.
From which Constellium plants will Airbus extrusions be supplied under the CSTM deal?
Constellium will supply Airbus from its Issoire and Montreuil-Juigné plants in France. According to the company, these facilities will deliver the specified bars and extrusions, leveraging Constellium’s manufacturing and recycling capabilities.
How does the CSTM-Airbus agreement affect Constellium’s aerospace position?
The agreement reinforces Constellium’s role as a trusted aerospace supplier and supports long-term program continuity. According to the company, it reflects Airbus’ trust in Constellium’s quality, industrial reliability, and advanced aluminum solutions.
Will the Constellium (CSTM) agreement with Airbus include recycled-material solutions?
Yes, the supply will leverage Constellium’s recycling expertise as part of its aluminum solutions. According to the company, its portfolio and industrial capabilities, including recycling, support meeting stringent aerospace quality and performance requirements.