Insider Cluster (2 insiders) ·Filed Jun 6, 2026

PSNL

Personalis, Inc.
NEUTRAL
Impact 3/10
Horizonweeks Processed3mo ago
Insider cluster: 2 insiders, $1.4M total
Actionable Insight • Neutral

The insider sales are small relative to market cap and the CFO/COO's sale is mechanically linked to a derivative exercise, reducing its signal. Monitor the next quarterly filing for any fundamental deterioration, but this cluster alone does not warrant a bearish stance. The historical calibration for PSNL reports shows poor predictive accuracy (0% win rate at T+20), further supporting a neutral read.

DirectionNeutral
Confidencemedium
Horizonweeks
Final — all horizons settled through T+60d
PSNL ▲ +69.92% at T+60d
NEUTRAL call ✓ call won +69.92% · α vs SPY +66.87% · entry $10.04 → $17.06
Entry anchored
Jun 5, 2026
via day open
T+1d
-2.89%
call -2.89% · α -2.59%
$9.75
settled 4mo ago
T+5d
-2.49%
call -2.49% · α -4.60%
$9.79
settled 4mo ago
T+20d
+42.83%
call +42.83% · α +41.20%
$14.34
settled 3mo ago
T+60d
+69.92%
call +69.92% · α +66.87%
$17.06
settled 4w ago

Price Chart

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Executive Summary

PSNL insiders, including the CEO and CFO/COO, sold a total of $1.36M in open-market sales over a one-week window. The CFO/COO's sale followed a same-day derivative exercise, while the CEO's sale was a direct open-market disposition. At $1.36M, the total represents approximately 0.1% of the company's $1.3B market cap, falling at the low end of the 'modest' proportionality band. The cluster is a sell cluster, which per academic literature is a weak predictor of future returns, especially given the CFO/COO's sale is likely tied to a same-day option exercise and tax planning.

Key Financial Metrics

Direction
selling
Total Value
$1.4M
Insiders
2

Key Facts

  • CFO/COO Aaron Tachibana sold 40,000 shares at $12.01 for $480,400 on June 4, 2026, following a same-day derivative exercise of 40,000 shares at $9.16.
  • CEO Christopher Hall sold 80,100 shares at $11.02 for $882,702 on May 29, 2026.
  • Total insider open-market sales in the cluster: $1.36M, or ~0.1% of PSNL's $1.3B market cap.
  • No insider purchases were reported in the cluster window.
  • The CFO/COO's sale is plausibly tied to a same-day option exercise (non-cash grant) and tax-related disposition, reducing its informational value.

Financial Impact

Insider sales of $1.36M represent ~0.1% of market cap, a routine and immaterial amount for a $1.3B company.

dilution

Risk Factors

  • Insider selling could accelerate if fundamentals weaken, but current volume is immaterial.
  • No insider buying to offset the selling pattern, though the dollar amounts are trivial.

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-1780705208214
14 reports for PSNL
Performance horizon
100% Hit rate 6 of 6 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 Jun 6, 2026