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 director reports share holdings in a beneficial ownership statement dated 01/01/2026. The reporting person, a director of Constellium SE (CSTM), lists ownership of 97,741 ordinary shares held directly. Additional indirect holdings include 22,000 ordinary shares held by the director's spouse and 92,000 ordinary shares held through a family limited partnership. The reporting person states that beneficial ownership of the indirect holdings is disclaimed except to the extent of her pecuniary interest.
Constellium SE executive Stephen Walters filed an initial ownership report as an insider of the company. He is identified as an officer with the title SVP GC & Secretary and reports beneficial ownership of 1,500 ordinary shares of Constellium SE. The filing is made as a single reporting person and does not list any derivative securities such as options or warrants.
Constellium SE filed an initial insider ownership report for a senior executive. The Form 3 identifies an officer serving as President, P&ARP, with the reporting date of the ownership event on 01/01/2026. According to the filing, this reporting person currently holds 0 ordinary shares of Constellium SE directly and reports no derivative securities such as options or warrants. The form is filed for one reporting person and is signed by an attorney-in-fact on 01/02/2026, formally establishing this insider’s baseline ownership position with the company.
Constellium SE reported an initial ownership filing for a director as of 01/01/2026. The reporting person beneficially owns 12,500 ordinary shares, held in direct form. The filing is made on behalf of the director by an attorney-in-fact, indicating standard compliance with insider reporting rules and no derivative securities reported at this time.
Constellium SE director Wiebke Weiler filed an initial insider ownership report as of 01/01/2026. The filing shows that she beneficially owns 0 ordinary shares of Constellium SE in direct form and reports no derivative securities such as options or warrants. The document is signed by Kristine Carpenter as attorney-in-fact for Wiebke Weiler on 01/02/2026.
Constellium SE director Jean-Francois Verdier has filed an initial beneficial ownership report showing a small personal stake in the company. As of 01/01/2026, he beneficially owns 41 ordinary shares of Constellium SE, held directly. The filing is made by a single reporting person and lists no derivative securities such as options or warrants.
Constellium SE director Michiel Brandjes reported his beneficial ownership in the company. As of the event date of 01/01/2026, he holds 52,000 ordinary shares of Constellium SE, owned directly. The filing does not list any derivative securities such as options or warrants for this director.
Constellium SE director Jean-Philippe Puig reported his beneficial ownership of the company’s shares as required for insiders. As of the event date of 01/01/2026, he beneficially owned 23,600 ordinary shares of Constellium SE, held in direct form. The filing is a Form 3, which is used to disclose an insider’s initial ownership position. The document was signed by Kristine Carpenter as attorney-in-fact for Jean-Philippe Puig.
Constellium SE executive Jack Guo, serving as EVP & CFO, reported his initial ownership of company stock. As of the event date of 01/01/2026, he beneficially owns 73,792 ordinary shares of Constellium SE, all held in a direct ownership capacity. This filing is a routine disclosure required for insiders to report their holdings when they become officers or otherwise subject to reporting rules.
Constellium SE executive Philip Ryan Jurkovic, SVP & CHRO, reported his initial beneficial ownership on a Form 3 as of 01/01/2026. He directly holds 130,739 ordinary shares of Constellium SE. The filing is made by attorney-in-fact Kristine Carpenter on his behalf and shows no derivative securities.