CSTM (Constellium SE) Insider Ownership: 1.26 % (As of Aug. 01, 2026)

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CSTM Constellium SE CSTM
74 GF Score
Price $27.78
GF Value $21.58
Valuation Modestly Overvalued
! 1 Warning Sign
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What is Constellium SE Insider Ownership?

Constellium SE CSTM -2.77% 74 Insider Ownership is 1.26 % as of Aug. 01, 2026. GuruFocus rates CSTM with a GF Score™ of 74/100 and a GF Value™ of $21.58 (Modestly Overvalued). The stock has 1 warning sign investors should review.

Insider ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Constellium SE's insider ownership is 1.26%.

Institutional Ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Constellium SE's Institutional Ownership is 89.84%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Constellium SE's Float Percentage Of Total Shares Outstanding is 98.84%.

Constellium SE Insider Ownership Historical Data

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The historical data trend for Constellium SE's Insider Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Constellium SE Insider Ownership Chart

Constellium SE Historical Data

The historical data trend for Constellium SE can be seen below:

2026-01-31 2026-02-28 2026-05-31 2026-06-30
Insider Ownership 0.85 0.85 1.27 1.26
CSTM
74GF Score
Constellium SE CSTM
Insider Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Constellium SE Insider Ownership Calculation

The percentage of shares that are owned by company insiders relative to the total shares outstanding.

Frequently Asked Questions Learn more about Insider Ownership →
What does a Insider Ownership of 1.26 % mean?
Constellium SE (CSTM) has a Insider Ownership of 1.26 % as of Aug. 01, 2026. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Constellium SE and its competitors.
Is Constellium SE's Insider Ownership too high?
Constellium SE's current Insider Ownership is 1.26 %. Overall, Constellium SE has a GF Score™ of 74/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Constellium SE's Insider Ownership compare to CENX and KALU?
Constellium SE's Insider Ownership of 1.26 % can be compared against companies in the Metals & Mining industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Insider Ownership for a Metals & Mining company?
A good Insider Ownership depends on the Metals & Mining industry context. However, Insider Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Insider Ownership mean?
A high Insider Ownership can signal that a stock is expensive relative to its fundamentals. Insider ownership equals the percent of shares owned by company insiders relative to total shares. View historical data on Constellium SE and its competitors. Constellium SE's current Insider Ownership is 1.26 %. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Constellium SE stock overvalued right now?
Based on GuruFocus' analysis, Constellium SE (CSTM) is currently considered Modestly Overvalued. The stock's GF Value™ is $21.58, compared to a current price of $27.78 — trading 28.7% above its estimated fair value. The current Insider Ownership is 1.26 %. Constellium SE's overall GF Score™ is 74/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Insider Ownership calculated?
Insider Ownership is calculated from a company's financial statements. For Constellium SE (CSTM), the current Insider Ownership is 1.26 % as of Aug. 01, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Constellium SE (CSTM) Overvalued in 2026?

Based on GuruFocus' analysis, Constellium SE stock appears to be overvalued. The current stock price of $27.78 is trading 28.7% above its estimated GF Value™ of $21.58. GuruFocus considers Constellium SE to be Modestly Overvalued.

Key valuation signals for CSTM:

  • Insider Ownership: 1.26 %
  • GF Value™: $21.58 vs. price of $27.78 (28.7% above fair value)
  • GF Score™: 74/100 with 1 warning sign

No single metric tells the full story. See the CSTM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Constellium SE Business Description

Other Exchanges 3OK:Germany
Address 300 East Lombard Street, Suite 1710, Baltimore, MD, USA, 21202
Constellium SE is engaged in the development, manufacture and sale of a broad range of high value-added specialty rolled and extruded aluminum products to the aerospace, space, defense, packaging, automotive, commercial transportation and general industrial end-markets. Its business model is to add value by converting aluminum into semi-fabricated and, in some instances, fully-fabricated alloyed aluminum products that meet stringent and performance-critical requirements from customers. It operates through three segments: Aerospace & Transportation Operating Segment, Packaging & Automotive Rolled Products Operating Segment, and Automotive Structures & Industry Operating Segment. It serves Aerospace, Packaging and Automotive and operates in the United States, France, Germany and others.
74GF Score

Get the complete analysis for CSTM

Insider Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$27.78
Price
$21.58
GF Value