CSTM CONSTELLIUM SE

NEUTRAL Impact: 3/10 Insider Cluster (2 insiders)
Horizon days Filed Feb 26, 2026 Processed 3mo ago
Insider cluster: 2 insiders, $332K total
Final — all horizons settled through T+60d
CSTM ▲ +23.47% at T+60d
NEUTRAL call ✓ call won +23.47% · α vs SPY +15.72% · entry $25.95 → $32.04
Last close $35.60 (close Jun 12) · +37.19% from $25.95 entry
Entry anchored
Feb 25, 03:59 PM ET
via Databento tick
T+1d
-4.08%
call -4.08% · α -3.63%
$24.89
settled 4mo ago
T+5d
+1.50%
call +1.50% · α +2.63%
$26.34
settled 3mo ago
T+20d
-7.71%
call -7.71% · α -1.30%
$23.95
settled 3mo ago
T+60d
+23.47%
call +23.47% · α +15.72%
$32.04
settled 25d ago

Price Chart

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Executive Summary

Two insiders at Constellium SE sold shares in the past week, including President of AS&I Stephane Corre and board member Isabelle Boccon-Gibod, generating $331,770 in total proceeds from open-market sales. The transactions represent a small fraction of the company's $3.5B market cap and align with routine insider divestitures.

Key Financial Metrics

Direction
selling
Total Value
$331.8K
Insiders
2

Actionable Insight

Monitor for additional selling in the coming weeks; current activity is within normal ranges and not indicative of material concern.

Key Facts

  • President of AS&I Stephane Corre sold 3,000 shares at $24.69 for $74,070 on February 27, 2026
  • Isabelle Boccon-Gibod sold 10,000 shares at $25.77 for $257,700 on February 26, 2026
  • Total open-market sales amount to $331,770 over 7 days
  • Sales represent approximately 0.0095% of the company's $3.5B market cap

Financial Impact

$331,770 in total insider sales, or less than 0.01% of market capitalization

insider ownershipmarket sentiment

Risk Factors

  • Potential perception of lack of confidence if selling continues
  • Concentration of sales among senior executives could raise questions if volume increases

Market Snapshot

Exchange
NYSE

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CONTEXT: Insider Cluster Data (2 trades, 7d window)cluster-CSTM-1772547258542
20 reports for CSTM
Performance horizon
33% Hit rate 2 of 6 directional calls best @ T+20▲ +12.34%Apr 15, 2026
Filters
Rows
Reports for CSTM — sortable, filterable
Type Now
May 26, 2026
19d ago
Press Release
BULLISH ★ 7/10
$35.28 $34.69▼ −1.67%▼ −2.76%$35.60 (+0.91%)
May 18, 2026
27d ago
Insider Cluster
NEUTRAL ★ 3/10
$32.25 $35.28▲ +9.40%▲ +7.78%$35.60 (+10.39%)
May 5, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$32.96 $33.31▲ +1.06%▼ −0.92%$35.60 (+8.01%)
May 1, 2026
6w ago
Insider Cluster
NEUTRAL ★ 4/10
$32.01 $33.88▲ +5.84%▲ +3.49%$35.60 (+11.22%)
May 1, 2026
6w ago
Insider Cluster
NEUTRAL ★ 5/10
$32.01 $32.87▲ +2.69%▲ +0.34%$35.60 (+11.22%)
May 1, 2026
6w ago
Insider Cluster
NEUTRAL ★ 3/10
$32.01 $32.87▲ +2.69%▲ +0.34%$35.60 (+11.22%)
May 1, 2026
6w ago
Insider Cluster
NEUTRAL ★ 3/10
$32.01 $32.87▲ +2.69%▲ +0.34%$35.60 (+11.22%)
May 1, 2026
6w ago
Insider Cluster
NEUTRAL ★ 2/10
$32.01 $32.87▲ +2.69%▲ +0.34%$35.60 (+11.22%)
Apr 29, 2026
6w ago
Press Release
BULLISH ★ 8/10
$32.23 $32.96▲ +2.27%▼ −0.84%$35.60 (+10.46%)
Apr 15, 2026
8w ago
Press Release
BULLISH ★ 8/10
$29.65 $30.81▲ +3.91%▲ +2.27%$35.60 (+20.07%)
Showing 10 of 20

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