Insider Cluster (6 insiders) ·Filed May 1, 2026

CSTM

CONSTELLIUM SE
NEUTRAL
Impact 5/10
Horizonweeks Processed4mo ago
Insider cluster: 6 insiders, $4.5M total
Actionable Insight • Neutral

The insider selling cluster after earnings, while modest in size, warrants monitoring for any negative guidance or weak operational trends in upcoming filings. The CFO's sale of $822K is notable but not alarming given the company's size. No immediate trading action required, but keep an eye on next 8-K or earnings call for context.

DirectionNeutral
Confidencemedium
Horizonweeks
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

Six Constellium insiders traded within 7 days, with five officers selling a total of $4.5M and one director buying $41K. The cluster occurred shortly after Q1 2026 earnings release, suggesting insiders are monetizing equity after results. However, the total selling is only ~0.1% of market cap, limiting materiality.

Key Financial Metrics

Direction
selling
Total Value
$4.5M
Insiders
6

Key Facts

  • 1 director purchased $41K, 5 officers sold $4.5M (CFO, two Presidents, SVP, and another director).
  • Total cluster value of $4.5M is ~0.1% of $4.5B market cap.
  • Insider trades follow April 29, 2026 Q1 earnings release, which may have catalyzed selling.
  • CFO Jack Guo sold $822K and President Philippe Hoffmann sold $1.6M, the largest trades.

Financial Impact

Total insider selling of $4.5M (0.1% of market cap) within 7 days post-earnings.

insider sentimentstock supply

Risk Factors

  • Insider selling may signal management's view that stock is fairly valued or headwinds ahead.
  • Lack of earnings release content limits full assessment; results could range from positive to negative.

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-1778182941982
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 11m)

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Report published May 7, 2026