Insider Cluster (5 insiders) ·Filed Apr 27, 2026

KALU

KAISER ALUMINUM CORP
NEUTRAL
Impact 4/10
Horizondays Processed5mo ago
Insider cluster: 5 insiders, $4.5M total
Actionable Insight • Neutral

Monitor for additional insider sales or any change in guidance. The substantial CEO sale after strong earnings may indicate valuation concerns; however, the overall selling is not alarming given the company's strong fundamentals.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
KALU ▼ -6.07% at T+60d
NEUTRAL call ✗ call lost -6.07% · α vs SPY -10.85% · entry $174.94 → $164.32
Entry anchored
Apr 24, 03:59 PM ET
via exchange tick
T+1d
-1.22%
call -1.22% · α -0.74%
$172.80
settled 5mo ago
T+5d
-3.16%
call -3.16% · α -3.56%
$169.42
settled 5mo ago
T+20d
+6.06%
call +6.06% · α +1.11%
$185.55
settled 4mo ago
T+60d
-6.07%
call -6.07% · α -10.85%
$164.32
settled 2mo ago

Price Chart

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Executive Summary

Insider cluster at Kaiser Aluminum shows large open-market selling totaling $12.8M in the week following a record Q1 earnings beat and raised guidance. The selling is led by CEO Harvey Keith ($8.2M) and director Brett Wilcox ($2.6M), representing 0.46% of market cap. While the magnitude is notable, the cluster follows strong results, suggesting profit-taking rather than distress.

Key Financial Metrics

Direction
selling
Total Value
$12.8M
Insiders
5

Key Facts

  • Total open-market sales of $12.8M by 5 insiders within 7 days of bullish earnings
  • CEO Harvey Keith sold $8.2M (47,001 shares at $175.09)
  • Director Brett Wilcox sold $2.6M (15,000 shares at $174.44)
  • CFO Neal West sold $866K (5,000 shares at $173.29)
  • Cluster represents 0.46% of KALU's $2.8B market cap
  • Preceded by 8-K on 2026-04-22 reporting record Q1 revenue of $1.1B and raised FY guidance

Financial Impact

Insider selling of $12.8M is modest relative to market cap of $2.8B

insider ownershipstock supply

Risk Factors

  • CEO selling a large portion of holdings could signal peak valuation
  • Continued insider selling may pressure stock near term

Market Snapshot

Exchange
Nasdaq
Sector
Rolling Drawing & Extruding of Nonferrous Metals
Analyst Consensus
0% bullish (7 analysts)

Investment Themes

Materials & Mining

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-KALU-1777667449994
7 reports for KALU
Performance horizon
100% Hit rate 3 of 3 directional calls best @ T+20▲ +11.48%Feb 23, 2026
Filters
Rows
Reports for KALU — sortable, filterable
TypeNow
Apr 27, 2026
22w ago
Insider Cluster
NEUTRAL ★ 4/10
$174.94 $164.32▼ −6.07%▼ −10.85%$152.02 (−13.10%)
Apr 27, 2026
22w ago
Insider Cluster
NEUTRAL ★ 4/10
$174.94 $164.32▼ −6.07%▼ −10.85%$152.02 (−13.10%)
Apr 27, 2026
22w ago
Insider Cluster
MIXED ★ 5/10
$174.94 $164.32▼ −6.07%▼ −10.85%$152.02 (−13.10%)
Apr 22, 2026
23w ago
8-K
BULLISH ★ 8/10
$164.07 $156.94▼ −4.35%▼ −9.36%$152.02 (−7.34%)
Apr 13, 2026
24w ago
8-K
NEUTRAL ★ 3/10
$141.79 $162.96▲ +14.93%▲ +6.40%$152.02 (+7.22%)
Feb 23, 2026
31w ago
Insider Cluster
BEARISH ★ 6/10
$125.24 $166.40▼ −32.86%▼ −24.61%$152.02 (−21.38%)
Feb 23, 2026
31w ago
Insider Cluster
BEARISH ★ 6/10
$125.24 $166.40▼ −32.86%▼ −24.61%$152.02 (−21.38%)
Showing 7 of 7

US Market Status

Market Closed — Opens Mon (37h 46m)

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Report published May 1, 2026