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Insider Cluster (3 insiders) ·Filed Nov 4, 2026

PENG

Penguin Solutions, Inc.
BEARISH
Impact 7/10
Horizondays Processed1d 3h ago
Insider cluster: 3 insiders, $377.4M total
Actionable Insight ▼ Bearish

The SK Telecom sale is the dominant signal: a 10% owner exiting a large stake without a 10b5-1 plan suggests a strategic or liquidity-driven decision. Monitor for any subsequent filings (SC 13D/A or Form 4) that could indicate further sales or a change in control intent. The officer sales are routine in size and under plans, so they carry less weight.

DirectionBearish
Confidencehigh
Horizondays
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Executive Summary

Three insiders sold shares in the past week, including a massive $377M open-market sale by 10% owner SK Telecom Co Ltd, which alone represents ~13% of PENG's market cap. Two SVP-level officers also sold smaller amounts under 10b5-1 plans. The dominant insider sale is highly material in size and lacks a pre-arranged plan, signaling a significant reduction in the largest shareholder's stake.

Key Financial Metrics

Direction
selling
Total Value
$377.4M
Insiders
3

Key Facts

  • SK Telecom Co Ltd sold 200,000 shares at ~$1,885.81/share for $377.16M on 2026-10-29, no 10b5-1 plan
  • Clark Joseph Gates (SVP) sold 1,573 shares at $47.80 for $75K on 2026-11-02 under a 10b5-1 plan
  • Frey Anthony George (SVP/CRO) sold 3,131 shares at $58.64 for $184K on 2026-10-29 under a 10b5-1 plan
  • Total cluster value $377.42M, approximately 13% of PENG's $2.9B market cap
  • Recent insider activity (30d) shows 10 sells totaling $377.8M, nearly all from this single SK Telecom trade

Financial Impact

SK Telecom's sale of $377M represents ~13% of market cap, a highly material reduction by the largest shareholder

ownership concentrationfloatmarket perception

Risk Factors

  • Further selling by SK Telecom could pressure the stock
  • Market may interpret the large sale as a lack of confidence by the largest shareholder
  • No stated reason for the sale increases uncertainty

Market Snapshot

Exchange
Nasdaq
Sector
Semiconductors & Related Devices
Analyst Consensus
87% bullish (15 analysts)

Investment Themes

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-PENG-1793827608143
28 reports for PENG
Performance horizon
50% Hit rate @ T+5 2 of 4 bullish or bearish reports Went positive at some point 2 of 5 best @ T+60▲ +267.38%Apr 1, 2026
Filters
Rows
Reports for PENG, sortable and filterable
TypeNow
Nov 5, 2026
today
SC 13G/A
NEUTRAL ★ 3/10
$38.69awaiting T+5awaiting T+5$37.22 (−3.80%)
Nov 4, 2026
1d ago
Insider Cluster
BEARISH ★ 7/10
$48.48awaiting T+5awaiting T+5$37.22 (+23.23%)
Nov 4, 2026
1d ago
Institutional Cluster
MIXED ★ 3/10
$48.35awaiting T+5awaiting T+5$37.22 (−23.02%)
Nov 4, 2026
1d ago
8-K
NEUTRAL ★ 5/10
$48.35awaiting T+5awaiting T+5$37.22 (−23.02%)
Nov 3, 2026
2d ago
SC 13D
NEUTRAL ★ 5/10
$53.19awaiting T+5awaiting T+5$37.22 (−30.02%)
Nov 2, 2026
3d ago
144
NEUTRAL ★ 2/10
$53.19awaiting T+5awaiting T+5$37.22 (−30.02%)
Nov 2, 2026
3d ago
Insider Cluster
BEARISH ★ 7/10
$47.50awaiting T+5awaiting T+5$37.22 (+21.64%)
Nov 2, 2026
3d ago
SC 13D/A
NEUTRAL ★ 5/10
$47.50awaiting T+5awaiting T+5$37.22 (−21.64%)
Oct 30, 2026
6d ago
Insider Cluster
NEUTRAL ★ 2/10
$47.50awaiting T+5awaiting T+5$37.22 (−21.64%)
Oct 30, 2026
6d ago
SC 13G/A
NEUTRAL ★ 3/10
$51.93awaiting T+5awaiting T+5$37.22 (−28.33%)
Showing 10 of 28

US Market Status

Market Closed · Opens Mon (61h 36m)

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Report published Nov 4, 2026