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Insider Cluster (3 insiders) ·Filed Sep 3, 2026

MTRN

MATERION Corp
NEUTRAL
Impact 2/10
Horizonimmediate Processed1mo ago
Insider cluster: 2 insiders, $706K total
Actionable Insight • Neutral

This cluster is too small to warrant any trading action. Monitor for larger insider activity (>0.5% of market cap) or any C-suite sales to gauge sentiment shifts.

DirectionNeutral
Confidencehigh
Horizonimmediate
Latest settled — T+20d
MTRN ▲ +29.76% at T+20d
NEUTRAL call +29.76% · α vs SPY +30.95% · entry $240.56 → $312.16
Next anchor: T+60d in 5w
Latest observation: T+35 +1.26% FF3 residual α
Entry = T+0 close
Sep 3, 2026
via day close
T+1d
+1.53%
call +1.53% · α +1.92%
$244.24
settled 8w ago
T+5d
+7.05%
call +7.05% · α +8.19%
$257.51
settled 7w ago
T+20d
+29.76%
call +29.76% · α +30.95%
$312.16
settled 26d ago
T+60d
Pending
in 5w

Price Chart

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Executive Summary

Two MTRN directors sold a total of ~$706K in open-market sales over a 2-day window. At a $5.0B market cap, this represents ~0.014% of market cap — well below the 0.1% routine threshold. No C-suite participation. This is a trivial, non-informative cluster; the sales are likely diversification or liquidity-driven.

Key Financial Metrics

Direction
selling
Total Value
$706.0K
Insiders
3

Key Facts

  • Two directors (Vinod Khilnani and Emily Liggett) sold $470K and $235K respectively in open-market transactions.
  • Total cluster value of ~$706K represents ~0.014% of MTRN's $5.0B market cap.
  • No C-suite (CEO/CFO/COO) participation; only directors.
  • Sales are well below the 0.1% proportionality threshold for materiality.
  • One director (Robert Toth) made a non-cash gift of 28,832 shares — this is a $0 economic event and does not affect sentiment.

Financial Impact

Total open-market sales of ~$706K, representing ~0.014% of market cap — immaterial

Risk Factors

  • Directors could have sold pre-emptive to upcoming news; but the small dollar amount limits informativeness.
  • One director made a large gift — while personally significant, it has zero market impact.

Market Snapshot

Exchange
NYSE
Sector
Metal Forgings & Stampings
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-MTRN-1788445171682
10 reports for MTRN
Performance horizon
67% Hit rate @ T+5 2 of 3 directional calls Went positive at some point 2 of 3 best @ T+60▲ +39.78%Apr 29, 2026
Filters
Rows
Reports for MTRN — sortable, filterable
TypeNow
Oct 12, 2026
15d ago
Institutional Cluster
MIXED ★ 4/10
$270.15 $243.48▼ −9.87%▼ −8.38%$235.63 (−12.78%)
Sep 3, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$240.56 $257.51▲ +7.05%▲ +8.19%$235.63 (−2.05%)
Sep 3, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$240.56 $257.51▲ +7.05%▲ +8.19%$235.63 (−2.05%)
Sep 1, 2026
8w ago
144
NEUTRAL ★ 2/10
$234.19 $253.07▲ +8.06%▲ +7.98%$235.63 (+0.61%)
Aug 11, 2026
11w ago
Insider Cluster
NEUTRAL ★ 4/10
$283.26 $245.22▼ −13.43%▼ −12.99%$235.63 (−16.81%)
Aug 11, 2026
11w ago
Insider Cluster
MIXED ★ 5/10
$283.26 $245.22▼ −13.43%▼ −12.99%$235.63 (−16.81%)
Aug 5, 2026
11w ago
8-K
BULLISH ★ 8/10
$297.08 $283.26▼ −4.65%▼ −5.00%$235.63 (−20.68%)
Jun 14, 2026
19w ago
Institutional Cluster
BULLISH ★ 6/10
$252.14 $277.68▲ +10.13%▲ +11.51%$235.63 (−6.55%)
May 15, 2026
23w ago
Insider Cluster
NEUTRAL ★ 2/10
$205.02 $215.04▲ +4.89%▲ +3.92%$235.63 (+14.93%)
Apr 29, 2026
25w ago
8-K
BULLISH ★ 6/10
$172.43 $196.73▲ +14.10%▲ +10.99%$235.63 (+36.65%)
Showing 10 of 10

US Market Status

Market Closed — Opens in 9h 13m

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Report published Sep 3, 2026