Insider Cluster (4 insiders) ·Filed May 1, 2026
Insider cluster: 4 insiders, $3.4M total
Actionable Insight • Neutral
The insider selling is immaterial relative to company size and likely routine post-earnings. Monitor for any acceleration of insider sales or changes in earnings guidance.
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
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
Insider trading cluster at Constellium SE shows $3.36M in total open-market transactions (3 sells by senior executives and 1 buy by a director) within 7 days of Q1 2026 earnings. The selling is trivial at 0.08% of market cap, and the single buy is negligible, making this a low-impact event.
Key Financial Metrics
Direction
selling
Total Value
$3.4M
Insiders
4
Key Facts
- 3 open-market sells totaling $3.32M vs. 1 open-market buy of $41K
- Sells by President of A&T, President of AS&I, and SVP & CHRO; buy by a director
- Total sell value is 0.08% of $4.2B market cap (trivial)
- Cluster occurred 6 days after Q1 2026 earnings release on April 29
Financial Impact
3.36 million dollars in total insider transactions
Risk Factors
- Further insider selling could signal management concern
- Earnings details not fully reviewed; adverse results may increase significance
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.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CSTM-1777995591851 |
21 reports for CSTM
33% Hit rate best @ T+20▲ +12.34%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Jul 10, 2026 12w ago | Press Release | $29.28 $29.44 | ▲ +0.55% | ▼ −1.88% | $24.66 (−15.78%) |
May 26, 2026 18w ago | Press Release | $35.28 $32.81 | ▼ −7.00% | ▼ −5.05% | $24.66 (−30.10%) |
May 18, 2026 19w ago | Insider Cluster | $32.25 $34.18 | ▲ +5.98% | ▲ +4.40% | $24.66 (−23.53%) |
May 5, 2026 21w ago | Insider Cluster | $32.96 $36.07 | ▲ +9.44% | ▲ +4.48% | $24.66 (−25.18%) |
May 1, 2026 22w ago | Insider Cluster | $32.01 $34.69 | ▲ +8.37% | ▲ +3.09% | $24.66 (−22.96%) |
May 1, 2026 22w ago | Insider Cluster | $32.01 $34.69 | ▲ +8.37% | ▲ +3.09% | $24.66 (−22.96%) |
May 1, 2026 22w ago | Insider Cluster | $32.01 $34.69 | ▲ +8.37% | ▲ +3.09% | $24.66 (−22.96%) |
May 1, 2026 22w ago | Insider Cluster | $32.01 $34.69 | ▲ +8.37% | ▲ +3.09% | $24.66 (−22.96%) |
May 1, 2026 22w ago | Insider Cluster | $32.01 $34.69 | ▲ +8.37% | ▲ +3.09% | $24.66 (−22.96%) |
Apr 29, 2026 22w ago | Press Release | $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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