Welcome to our dedicated page for CONSTELLIUM SE SEC filings (Ticker: CSTM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Constellium SE filings document the reporting framework for a France-incorporated aluminum products manufacturer whose ordinary shares trade on the New York Stock Exchange under CSTM. Form 8-K reports furnish quarterly and annual operating results, investor presentations, exhibits and other material-event disclosures tied to segment performance, cash flow, leverage and capital allocation.
Proxy materials cover annual meeting matters, shareholder voting, board governance and executive compensation disclosures, including pay-versus-performance data. The filing record also documents capital-structure and governance matters such as ordinary-share registration information and board-authorized share repurchase actions.
Constellium SE reported sharply stronger Q2 2026 results. Revenue rose to $2,748 million from $2,103 million, driven by higher revenue per ton as aluminum prices increased. Net income grew to $148 million from $36 million, and diluted EPS increased to $1.04 from $0.25. For the first half, revenue reached $5,209 million and net income $344 million.
Segment Adjusted EBITDA nearly doubled to $310 million from $165 million. Packaging & Automotive Rolled Products contributed $165 million, Aerospace & Transportation $135 million, and Automotive Structures & Industry $26 million, with higher EBITDA per ton despite essentially flat Q2 shipments of 381 thousand metric tons.
Operating cash flow for the first six months improved to $234 million, while capital expenditures were $139 million, mainly for maintenance and recycling and casting projects. Cash was $163 million against total debt of $1,923 million, and available liquidity totaled $1,058 million. The company repurchased 1.8 million shares for $48 million in the first half and subsequently redeemed $100 million of its 5.625% Senior Notes due 2028. Management notes ongoing macroeconomic, energy-price and geopolitical uncertainties alongside stronger aerospace and automotive demand.
Constellium SE reported very strong results for the quarter and first half ended June 30, 2026. In Q2 2026, shipments were 381 thousand metric tons (down 1% year over year), while revenue reached $2,748 million, net income $148 million, and Adjusted EBITDA $439 million, including a positive non-cash metal price lag impact of $129 million. All three operating segments delivered higher Segment Adjusted EBITDA, contributing to a new quarterly record.
For the first half of 2026, revenue was $5,209 million and net income $344 million, with Adjusted EBITDA of $798 million. Free Cash Flow was $95 million in H1, including $90 million in Q2, and the company repurchased 1.8 million shares for $48 million. Liquidity at June 30, 2026 was $1,058 million, net debt $1,760 million, and leverage improved to 1.8x. Constellium raised its 2026 outlook to Adjusted EBITDA of $980 million to $1.020 billion (excluding metal price lag) and Free Cash Flow above $300 million, indicating it expects to reach previously stated 2028 financial targets two years early.
Constellium SE CEO Ingrid Joerg reported a tax-withholding disposition of 2,984 ordinary shares on July 10, 2026. The shares were withheld by the issuer to satisfy tax withholding obligations and are described as not a discretionary transaction by the reporting person. After this event, Joerg directly holds 406,464 ordinary shares.
Constellium SE filed a shelf registration statement to offer and sell its ordinary shares from time to time under a Form S-3 on a prospectus dated June 24, 2026. The prospectus states ordinary shares have a nominal value of €0.02 per share and are listed on the NYSE under the symbol CSTM.
The prospectus is a base shelf that permits offerings in amounts, at prices and on terms determined by market conditions and describes distribution methods including direct sales, underwriters, broker-dealers or agents. The filing incorporates by reference the Company’s SEC reports and highlights that proceeds are expected to be used for general corporate purposes.
Context figures: issued and paid-up capital was €2,936,397.68 consisting of 146,819,884 ordinary shares, of which 136,150,450 were outstanding and 10,669,434 were treasury shares as of March 31, 2026.
CONSTELLIUM SE director John Ormerod sold 8,000 ordinary shares in an open-market transaction at an average price of $35.01 per share. After this sale, he directly holds 24,873 ordinary shares, indicating he retains a meaningful equity position in the company.
Constellium SE senior vice president and chief procurement officer Marcus Becker sold ordinary shares in an open-market transaction. On this date, he sold 10,391 ordinary shares at a weighted average price of $34.93 per share, in multiple trades between $34.87 and $35.03. After the sale, he directly owned 16,784 ordinary shares of Constellium SE.
Bpifrance Participations has reduced its position in Constellium SE through a significant secondary sale. On May 26, 2026, it sold 4,190,000 Ordinary Shares in two block trades at $33.89 per share. Following these transactions, Bpifrance Participations holds 8,403,903 Ordinary Shares, representing about 6.2% of Constellium’s Ordinary Shares, based on 136,150,450 shares outstanding as of April 1, 2026.
Bpifrance S.A., Caisse des Depots, and EPIC Bpifrance are deemed beneficial owners of the same 8,403,903 shares through their ownership structure, but do not hold shares directly. In connection with the block sales, Bpifrance Participations agreed to a 60‑day lock-up restricting additional share disposals, subject to certain exceptions and approvals.
Constellium SE submitted a Form 144 notice regarding proposed sales of Common Stock related to equity compensation. The filing lists a PSU issuance of 10,391 shares dated 03/09/2026 and reports sales during the past three months of 1,113 shares on 03/10/2026 and 10,000 shares on 03/16/2026. The transactions are presented as equity compensation and are administrative notices under Rule 144.
CSTM submitted a Rule 144 notice for Ordinary Shares. The filing lists 2,095,000 shares alongside $69,637,800.00 and the figure 136,150,450 with an as of date of 05/26/2026. The notice also records prior acquisition lots: 645,488 (05/29/2013), 2,447,578 (11/03/2017), and 1,096,934 (06/05/2017).