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 submitted a Form 144 excerpt concerning Common Stock activity. The excerpt lists a PSU issuance of 31,132 shares and an RSU issuance of 18,143 shares, both dated 03/09/2026. The filing references J.P. Morgan Securities LLC and the NYSE; the form date shown is 03/10/2026.
Constellium SE submitted a Form 144 reporting proposed sales of Common Stock and disclosing recent equity compensation activity. The filing lists 71,132 shares tied to a PSU issuance and 18,143 shares tied to RSU issuance, both dated 03/09/2026. It also records a sale of 80,000 Class A shares on 03/04/2026 with proceeds of $2,115,512.55.
Constellium SE submitted a Rule 144 notice reporting proposed sales of Common Stock related to equity compensation. The filing lists 14,592 shares from a PSU issuance and 6,912 shares from an RSU issuance, both dated 03/09/2026. The form also records a sale of 15,570 Class A shares by Marcus Becker on 02/20/2026 for $398,269.75.
Constellium SE submitted a Form 144 notice related to Common Stock, using J.P. Morgan Securities LLC as broker on 03/09/2026.
The filing lists equity compensation entries with share counts: 7,106 (RSU issuance, 07/31/2020), 4,842 (RSU issuance, 03/10/2025) and 5,753 (PSU issuance, 03/10/2025), each shown with an as of 03/06/2026 date. The excerpt also shows 137,801,779 shares outstanding as of 03/09/2026.
Constellium SE executive Philippe Hoffmann, President A&T, reported selling a total of 80,000 ordinary shares in two open-market transactions on March 4, 2026. One sale covered 50,000 shares at a weighted average price of $26.03, and another covered 30,000 shares at a weighted average price of $27.14. After these sales, he directly owned 55,425 ordinary shares.
Constellium SE submitted a Form 144 notice concerning the proposed sale of 80,000 Class A common shares, listed with J.P. Morgan Securities LLC as the broker-dealer on 03/04/2026. The filing also lists multiple equity-compensation lots (RSUs and PSUs) with discrete share counts dated between 05/25/2021 and 03/10/2025, including examples of 11,246 (RSU, 05/25/2021) and 6,212 (PSU, 05/25/2021).
Constellium SE executive Stephane Corre, President of AS&I, reported an open-market sale of 3,000 ordinary shares on February 27, 2026 at a weighted average price of $24.69 per share, executed in multiple trades between $24.67 and $24.72. After these transactions, Corre directly owns 44,444 ordinary shares.
Constellium SE-related insider reported proposed sales of Class A shares totaling 6,000 shares by Stephane Corre.
The filing lists four sales dated 11/25/2025 (800 shares), 11/26/2025 (1,000), 12/01/2025 (1,000) and 02/25/2026 (3,200). Each sale row shows an associated numeric value alongside the share counts consistent with reported trade entries.
Constellium SE director Isabelle Boccon-Gibod reported an open-market sale of 10,000 ordinary shares. The sale took place on February 26, 2026 at a weighted average price of $25.77 per share, executed through multiple transactions at that price. After this sale, she directly owns 23,000 ordinary shares of Constellium SE.
CONSTELLIUM SE executive Stephane Corre sold 3,200 ordinary shares in an open-market transaction. The shares were sold on February 25, 2026 at a weighted average price of $25.7068 per share, leaving him with 47,444 ordinary shares held directly after the sale.