Insider Cluster (5 insiders) ·Filed May 1, 2026

CSTM

CONSTELLIUM SE
NEUTRAL
Impact 3/10
Horizondays Processed4mo ago
Insider cluster: 5 insiders, $4.2M total
Actionable Insight • Neutral

Insider selling is modest and likely routine. Monitor upcoming SEC filings for any material developments or changes in outlook that could trigger more significant insider activity.

DirectionNeutral
Confidencemedium
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
CSTM ▼ -9.15% at T+60d
NEUTRAL call ✗ call lost -9.15% · α vs SPY -12.22% · entry $32.01 → $29.08
Entry anchored
Apr 30, 03:59 PM ET
via exchange tick
T+1d
-3.66%
call -3.66% · α -3.31%
$30.84
settled 5mo ago
T+5d
+2.69%
call +2.69% · α +0.34%
$32.87
settled 5mo ago
T+20d
+8.37%
call +8.37% · α +3.09%
$34.69
settled 4mo ago
T+60d
-9.15%
call -9.15% · α -12.22%
$29.08
settled 2mo ago

Price Chart

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Executive Summary

A cluster of insider trades at Constellium SE shows net selling of $4.14M by four top executives (CFO, two Presidents, and SVP/CHRO) alongside a small $41K director purchase. The total selling is modest at 0.09% of the $4.5B market cap, indicating routine portfolio diversification rather than a negative signal. The trades follow the company's Q1 2026 earnings release on April 29, but the dollar amounts are trivial relative to market cap.

Key Financial Metrics

Direction
selling
Total Value
$4.2M
Insiders
5

Key Facts

  • CFO Jack Guo sold 25,201 shares for $822K on May 5.
  • President Philippe Hoffmann sold 50,000 shares for $1.60M on May 1.
  • SVP/CHRO Philip Jurkovic sold 48,784 shares for $1.56M on May 1.
  • Director Jean-Christophe Deslarzes purchased 1,325 shares for $41K on May 1.
  • Total insider selling of $4.14M represents just 0.09% of market cap.
  • Cluster follows Q1 2026 earnings release on April 29.

Financial Impact

Total insider selling of $4.14M, or 0.09% of market cap, is immaterial.

Risk Factors

  • No material risk indicated by the cluster size relative to market cap.

Market Snapshot

Exchange
NYSE
Sector
Secondary Smelting & Refining of Nonferrous Metals
Analyst Consensus
80% bullish (10 analysts)

Investment Themes

Materials & Mining

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-CSTM-1778162582566
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 May 7, 2026