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

CSTM

CONSTELLIUM SE
NEUTRAL
Impact 4/10
Horizondays Processed4mo ago
Insider cluster: 6 insiders, $4.5M total
Actionable Insight • Neutral

The insider cluster is small relative to market cap, but the concentration of selling by top executives after earnings warrants monitoring. Watch for any subsequent filings or earnings calls that might provide further context on business trends.

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
+5.84%
call +5.84% · α +3.49%
$33.88
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 shows one director buying $41K and five executives selling $4.47M total (0.095% of market cap) following Q1 2026 earnings. The selling is small relative to market cap but involves top management, including the CFO and two Presidents, while a director bought. The cluster is amplified by the earnings context but remains proportionally trivial.

Key Financial Metrics

Direction
mixed
Total Value
$4.5M
Insiders
6

Key Facts

  • Total insider selling of $4.47M vs buying of $41K
  • Sellers include EVP & CFO, Presidents of A&T and AS&I, and SVP & CHRO
  • One director (Deslarzes) purchased $41K
  • All trades occurred between May 1-8, 2026, following Q1 earnings on April 29
  • Total sell value is ~0.095% of Constellium's $4.7B market cap

Financial Impact

Net insider cash outflow of ~$4.47M, which is less than 0.1% of market cap

Risk Factors

  • Insider selling by multiple top executives could signal caution if the earnings report masked headwinds
  • Low trading volume or market sentiment could amplify the perceived bearish signal

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-1778598402033
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 12, 2026