CONSTELLIUM SE (CSTM) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Low Risk

Limited dilution potential

Last updated: April 29, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares

Recent Dilution: 0% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

140M

Potential Supply

Additional shares possible

Splits

None

Past 2 years

Summary

CSTM currently has 135M outstanding shares. with minimal authorized share overhang for future dilution. The company has not diluted shareholders through share issuances in the past 2 years, which is positive for existing holders.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding
Apr 29, 2026	10-Q filing \| 135.4M shares outstanding	140M
Oct 29, 2025	10-Q filing \| 138.7M shares outstanding	140M
Apr 30, 2025	10-Q filing \| 142.5M shares outstanding	140M
Feb 28, 2025	10-K filing \| 145.7M shares outstanding	150M
Mar 18, 2024	20-F filing \| 146.8M shares outstanding	150M
Mar 14, 2023	20-F filing \| 144.3M shares outstanding	140M
Mar 14, 2022	20-F filing \| 141.7M shares outstanding	140M
Mar 17, 2021	20-F filing \| 140.0M shares outstanding	140M
Mar 09, 2020	20-F filing \| 137.9M shares outstanding	140M

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