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 CEO Ingrid Joerg reported a mix of equity compensation and a small tax-related sale. On March 9, 2026, she acquired 71,132 ordinary shares at no cost from performance stock units granted on March 9, 2023 that vested after meeting performance conditions. On March 10, 2026, she sold 4,614 ordinary shares at $25.87 per share solely to cover tax withholding obligations from the vesting of restricted and performance stock unit awards. After these transactions, she directly held 378,090 ordinary shares.
CONSTELLIUM SE EVP & CFO Jack Q. Guo reported a mix of stock award vesting and related share sales. On March 9, 2026, he acquired 75,874 ordinary shares through vested stock awards at $0.00 per share. On March 10, 2026, he sold 41,717 ordinary shares at $25.87 per share, and a footnote explains this sale was made solely to satisfy tax withholding obligations upon vesting of prior restricted and performance stock unit awards. After these transactions, he directly owns 190,879 ordinary shares of Constellium.
Constellium SE senior executive Philip Ryan Jurkovic reported compensation-related share activity. On March 9, 2026, he acquired 59,276 ordinary shares of Constellium through earned performance stock units granted on March 9, 2023 that vested on that date.
On March 10, 2026, he sold 29,900 ordinary shares at $25.87 per share solely to satisfy tax withholding obligations triggered by the vesting of restricted stock unit and performance stock unit awards. After these transactions, he directly owned 210,723 ordinary shares, indicating a largely retained equity position.
CONSTELLIUM SE reported that senior vice president for Manufacturing Excellence and CTO Ludovic Piquier acquired 30,350 ordinary shares on March 9, 2026 through an equity award. These shares reflect earned performance stock units granted on March 9, 2023 that vested based on performance conditions. Following this grant, Piquier directly owns 237,244 ordinary shares, highlighting ongoing equity-based compensation rather than an open-market purchase.
Schild Niklaus reported acquisition or exercise transactions in this Form 4 filing.
Constellium SE senior vice president and CIO/CDO Niklaus Schild reported receiving 5,106 ordinary shares as a grant or award. These shares reflect earned performance stock units that were originally granted on March 9, 2023 and vested on March 9, 2026. After this award, Schild directly holds 35,348 ordinary shares, highlighting a routine, compensation-related increase in his equity stake.
Constellium SE senior vice president Nicolas Brun reported two transactions in the company’s ordinary shares. On March 9, 2026, he completed an open-market sale of 17,701 shares at a weighted-average price of $24.67 per share, with individual trades ranging from $24.63 to $24.72. The same day, he acquired 23,710 shares at no cost, representing earned performance stock units originally granted on March 9, 2023 that vested on March 9, 2026. Following these transactions, Brun directly holds 127,176 ordinary shares of Constellium SE.
CONSTELLIUM SE executive Stephen Charles Walters filed an amended Form 3 to correct his reported equity holdings. The amendment shows a total interest in 20,734 ordinary-share-linked units, consisting of 1,500 ordinary shares held directly as of January 1, 2026 and 19,234 restricted stock units that remain subject to vesting restrictions and were previously omitted from his original Form 3 and one Form 4. This update does not reflect any new share purchases or sales, but rather a clarification of prior disclosures.
CONSTELLIUM SE senior executive Niklaus Schild has updated his reported shareholdings. As of January 1, 2026, he reports beneficial ownership of 30,242 ordinary shares, consisting of 18,115 ordinary shares held outright and 12,127 restricted stock units that remain subject to vesting and were inadvertently omitted from his original Form 3.
Constellium SE senior vice president Ludovic Piquier has updated his reported ownership in the company’s ordinary shares. As of January 1, 2026, he reports holding a total of 206,894 ordinary shares.
This total consists of 180,885 ordinary shares held directly and 26,009 restricted stock units that remain subject to vesting restrictions and were inadvertently omitted from his original Form 3. The amendment corrects and consolidates his full equity position.
CONSTELLIUM SE filed an amended Form 3 for executive Matthew B. Perkins, President, P&ARP. The amendment clarifies that he beneficially owns an aggregate of 23,002 restricted stock units, which remain subject to vesting restrictions and were inadvertently omitted from his original Form 3 filing. This is a holdings correction, not a new share purchase or sale.