CONSTELLIUM SE (CSTM) Stock Ownership

NYSE:CSTM • FR0013467479

24.89 USD
-1.06 (-4.08%)
At close: Feb 27, 2026
24.67 USD
-0.22 (-0.88%)
After Hours: 2/27/2026, 8:04:00 PM
Overview Stock Chart Technical Analysis Fundamental Analysis Analyst Ratings Earnings Estimates Financials Ownership News
CSTM Ownership Chart.CSTM Ownership Chart: showing Insider, Institutional ownership and shares available to the public.CSTM Ownership.InsiderInstitutionalPublic



Shares Outstanding137.80M
Float134.81M
Float Short Interest Percentage3.43%
Owners (insider)1.9%
Owners (institutional)95.05%
Owners (insider) change0%
Owners (institutional) change-5.37%
CSTM Institutional Ownership HistoryCSTM Institutional Ownership HistoryCSTM Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 50M 100M
CSTM Historical Insider Transactions ChartCSTM Historical Insider Buy and Sell Transactions ChartCSTM Historical Insider Transactions Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 -5K -10K
Date Name Type Shares Price Amount
Feb 26, 2026 Boccon-Gibod Isabelle Open Market Sale 10000 25.77 $ 257,700.00
Feb 25, 2026 Corre Stephane Open Market Sale 3200 25.71 $ 82,261.76
Feb 23, 2026 Walters Stephen Charles Open Market Sale 1500 25.39 $ 38,085.00