Insider Cluster (2 insiders) ·Filed May 30, 2026

PSNL

Personalis, Inc.
BEARISH
Impact 5/10
Horizonweeks Processed4mo ago
Insider cluster: 2 insiders, $1.3M total
Actionable Insight ▼ Bearish

The simultaneous CEO and CFO sales after option exercises are a cautionary signal, though the dollar amount is modest relative to market cap. Monitor for any upcoming 8-K or earnings pre-announcement — insider clusters often precede material news. The stock's 85% bullish analyst consensus creates potential downside risk if fundamentals disappoint.

DirectionBearish
Confidencemedium
Horizonweeks
Final — all horizons settled through T+60d ⚠ clustered
PSNL ▲ +53.20% at T+60d
SHORT call ✗ call lost -53.20% · α vs SPY -51.97% · entry $11.26 → $17.25
Entry anchored
May 29, 2026
via day open
T+1d
-1.07%
call +1.07% · α +1.21%
$11.14
settled 4mo ago
T+5d
-4.53%
call +4.53% · α +1.78%
$10.75
settled 4mo ago
T+20d
+19.01%
call -19.01% · α -20.30%
$13.40
settled 3mo ago
T+60d
+53.20%
call -53.20% · α -51.97%
$17.25
settled 5w ago

Price Chart

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Executive Summary

CEO Christopher Hall and CFO/COO Aaron Tachibana sold a combined $1.33M in open-market sales on May 28-29, 2026, following derivative exercises at low strike prices. The sales represent ~0.12% of PSNL's $1.1B market cap — modest in proportion — but the cluster of both top executives selling simultaneously warrants attention, especially given the stock's recent strength and the company's 85% bullish analyst consensus.

Key Financial Metrics

Direction
selling
Total Value
$1.3M
Insiders
2

Key Facts

  • CEO Hall sold 100,000 shares total ($1.1M) on May 28-29 after exercising options at $0 and $1.61 strikes
  • CFO/COO Tachibana sold 38,799 shares ($449K) on May 29 after exercising options at $0 and $9.16 strikes
  • Total open-market sales: $1.33M, representing ~0.12% of PSNL's $1.1B market cap
  • Both executives exercised and sold in the same pattern — derivative exercise followed by immediate open-market sale
  • No open-market purchases were reported in the cluster

Financial Impact

Insider sales of $1.33M represent 0.12% of market cap — modest but notable as a C-suite cluster

insider ownershipdilution

Risk Factors

  • C-suite cluster selling may indicate management's view that the stock is fully valued or that near-term headwinds exist
  • The stock has strong bullish analyst consensus (85% buy) — insider selling could signal a disconnect between street optimism and management's internal outlook
  • Historical calibration shows prior PSNL reports underperformed by -10.33% at T+20, suggesting the stock may be prone to negative surprises

Market Snapshot

Exchange
Nasdaq
Sector
Services-Medical Laboratories
Analyst Consensus
85% bullish (13 analysts)

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-PSNL-1780101930950
14 reports for PSNL
Performance horizon
100% Hit rate 5 of 5 directional calls best @ T+20▲ +14.48%Aug 9, 2026
Filters
Rows
Reports for PSNL — sortable, filterable
TypeNow
Aug 9, 2026
7w ago
Institutional Cluster
BULLISH ★ 6/10
$14.50 $16.60▲ +14.48%▲ +15.40%$16.28 (+12.28%)
Jul 20, 2026
10w ago
425
BULLISH ★ 7/10
$13.44 $13.91▲ +3.50%▲ +0.94%$16.28 (+21.13%)
Jul 20, 2026
10w ago
8-K
NEUTRAL ★ 6/10
$13.44 $13.91▲ +3.50%▲ +0.94%$16.28 (+21.13%)
Jul 20, 2026
10w ago
425
BULLISH ★ 7/10
$13.34 $13.89▲ +4.12%▲ +0.00%$16.28 (+22.04%)
Jul 20, 2026
10w ago
8-K
BULLISH ★ 7/10
$13.34 $13.89▲ +4.12%▲ +0.00%$16.28 (+22.04%)
Jul 16, 2026
11w ago
Insider Cluster
NEUTRAL ★ 4/10
$15.58 $14.42▼ −7.45%▼ −11.06%$16.28 (+4.49%)
Jun 29, 2026
13w ago
144
NEUTRAL ★ 2/10
$13.40 $11.98▼ −10.60%▼ −9.57%$16.28 (+21.49%)
Jun 26, 2026
14w ago
144
NEUTRAL ★ 3/10
$13.75 $11.78▼ −14.33%▼ −14.05%$16.28 (+18.40%)
Jun 26, 2026
14w ago
144
NEUTRAL ★ 2/10
$13.75 $11.78▼ −14.33%▼ −14.05%$16.28 (+18.40%)
Jun 6, 2026
16w ago
Insider Cluster
NEUTRAL ★ 3/10
$10.04 $14.34▲ +42.83%▲ +41.20%$16.28 (+62.15%)
Showing 10 of 14

US Market Status

Market Closed — Opens Mon (64h 16m)

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Report published May 30, 2026