Insider Cluster (7 insiders) ·Filed Mar 4, 2026

CSTM

CONSTELLIUM SE
NEUTRAL
Impact 4/10
Horizondays Processed6mo ago
Insider cluster: 6 insiders, $3.7M total
Actionable Insight • Neutral

Monitor for continued selling in next 30 days; if isolated, this is likely routine divestment following vesting. No immediate red flag, but watch for changes in fundamentals or guidance.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
CSTM ▲ +28.99% at T+60d
NEUTRAL call ✓ call won +28.99% · α vs SPY +18.90% · entry $26.63 → $34.35
Entry anchored
Mar 3, 03:59 PM ET
via exchange tick
T+1d
-1.09%
call -1.09% · α -0.52%
$26.34
settled 7mo ago
T+5d
-4.88%
call -4.88% · α -3.55%
$25.33
settled 7mo ago
T+20d
+2.59%
call +2.59% · α +7.01%
$27.32
settled 6mo ago
T+60d
+28.99%
call +28.99% · α +18.90%
$34.35
settled 4mo ago

Price Chart

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Executive Summary

Constellium SE executives conducted significant open-market share sales totaling $2.4M within a 7-day window, including CFO and CEO selling over $1.1M and $119K respectively. These sales represent approximately 0.07% of the company's $3.4B market cap and coincide with routine grant activity, suggesting possible portfolio rebalancing rather than a signal of distress.

Key Financial Metrics

Direction
selling
Total Value
$2.4M
Insiders
7

Key Facts

  • CFO Guo Jack Q. sold $1,079,218 worth of shares, the largest open-market sale in the cluster.
  • CEO Joerg Ingrid sold $119,364 in shares; other SVPs sold between $28K and $773K.
  • Total open-market sales: 95,035 shares for $2.4M at prices between $24.67 and $25.87.
  • Concurrent with sales, multiple insiders received non-cash stock awards totaling over 275,000 shares.
  • Sales amount to ~0.07% of $3.4B market cap — below the 0.1% threshold for materiality.

Financial Impact

$2.4M in insider sales, representing 0.07% of market cap

insider ownershipmarket sentiment

Risk Factors

  • Perception of insider pessimism if media highlights CFO/CEO sales without context of concurrent grants.
  • Potential for short-term sentiment pressure despite lack of material financial impact.

Market Snapshot

Exchange
NYSE

Investment Themes

Materials & Mining

Documents Analyzed

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

DocumentAccession Number
CONTEXT: Insider Cluster Data (12 trades, 7d window)cluster-CSTM-1773225885529
21 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
TypeNow
Jul 10, 2026
12w ago
Press Release
NEUTRAL ★ 2/10
$29.28 $29.44▲ +0.55%▼ −1.88%$24.66 (−15.78%)
May 26, 2026
18w ago
Press Release
BULLISH ★ 7/10
$35.28 $32.81▼ −7.00%▼ −5.05%$24.66 (−30.10%)
May 18, 2026
19w ago
Insider Cluster
NEUTRAL ★ 3/10
$32.25 $34.18▲ +5.98%▲ +4.40%$24.66 (−23.53%)
May 5, 2026
21w ago
Insider Cluster
NEUTRAL ★ 3/10
$32.96 $36.07▲ +9.44%▲ +4.48%$24.66 (−25.18%)
May 1, 2026
22w ago
Insider Cluster
NEUTRAL ★ 4/10
$32.01 $34.69▲ +8.37%▲ +3.09%$24.66 (−22.96%)
May 1, 2026
22w ago
Insider Cluster
NEUTRAL ★ 5/10
$32.01 $34.69▲ +8.37%▲ +3.09%$24.66 (−22.96%)
May 1, 2026
22w ago
Insider Cluster
NEUTRAL ★ 3/10
$32.01 $34.69▲ +8.37%▲ +3.09%$24.66 (−22.96%)
May 1, 2026
22w ago
Insider Cluster
NEUTRAL ★ 3/10
$32.01 $34.69▲ +8.37%▲ +3.09%$24.66 (−22.96%)
May 1, 2026
22w ago
Insider Cluster
NEUTRAL ★ 2/10
$32.01 $34.69▲ +8.37%▲ +3.09%$24.66 (−22.96%)
Apr 29, 2026
22w ago
Press Release
BULLISH ★ 8/10
$32.23 $33.96▲ +5.37%▼ −0.09%$24.66 (−23.49%)
Showing 10 of 21

US Market Status

Market Closed — Opens Mon (36h 14m)

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Report published Mar 11, 2026