Insider Cluster (2 insiders) ·Filed Aug 13, 2026

GH

Guardant Health, Inc.
NEUTRAL
Impact 3/10
Horizondays Processed1mo ago
Insider cluster: 2 insiders, $3.0M total
Actionable Insight • Neutral

The insider sales are too small relative to market cap to warrant a bearish read. GH's strong historical drift (+13.61% avg T+20) and 91% analyst bullish consensus suggest the stock's upward momentum is intact. Monitor for any larger insider sales or a change in pattern, but this cluster alone is not actionable.

DirectionNeutral
Confidencehigh
Horizondays
Latest settled — T+20d ⚠ clustered
GH ▲ +6.76% at T+20d
NEUTRAL call ✓ call won +6.76% · α vs SPY +8.75% · entry $157.21 → $167.84
Next anchor: T+60d in 5w
Latest observation: T+33 +1.41% FF3 residual α
Entry anchored
Aug 13, 06:23 PM ET
via 1-min bar
T+1d
+2.84%
call +2.84% · α +3.31%
$161.67
settled 7w ago
T+5d
+7.80%
call +7.80% · α +9.17%
$169.47
settled 6w ago
T+20d
+6.76%
call +6.76% · α +8.75%
$167.84
settled 21d ago
T+60d
—
call — · α —
—
in 5w

Price Chart

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Executive Summary

Two Guardant Health insiders — the Chief People Officer and Chief Commercial Officer — sold a combined $3.03M in open-market stock over a 7-day window, with the bulk ($2.96M) coming from the CCO. The sales represent approximately 0.014% of the company's $21.7B market cap, well below the 0.1% threshold for materiality, and are likely driven by routine portfolio diversification or tax planning rather than a bearish signal. The cluster is a sell, but the dollar amount is trivial relative to market cap, and the historical performance on GH shows strong positive drift (75% win rate, +13.61% avg T+20), suggesting the stock's momentum is intact.

Key Financial Metrics

Direction
selling
Total Value
$3.0M
Insiders
2

Key Facts

  • Two insiders sold $3.03M in open-market stock over 7 days
  • Chief Commercial Officer Chris Freeman sold 17.4K shares for $2.96M at $170.24
  • Chief People Officer Terilyn J. Monroe sold 400 shares for $67K at $167.92
  • Total sales represent ~0.014% of GH's $21.7B market cap
  • Monroe also exercised derivatives (non-cash) on the same day, suggesting the sale was for tax withholding
  • No 10b5-1 plan pattern detected — sales are one-off

Financial Impact

Total insider sales of $3.03M, or ~0.014% of market cap — trivial

insider holdings

Risk Factors

  • Insider sales could accelerate if the stock continues to rally
  • No recent earnings or catalyst filing to contextualize the sales

Market Snapshot

Exchange
Nasdaq
Sector
Services-Medical Laboratories
Analyst Consensus
91% bullish (35 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-GH-1787091347098
26 reports for GH
Performance horizon
25% Hit rate 1 of 4 directional calls best @ T+60▲ +31.56%May 27, 2026
Filters
Rows
Reports for GH — sortable, filterable
TypeNow
Aug 24, 2026
5w ago
Insider Cluster
NEUTRAL ★ 2/10
$163.18 $177.16▲ +8.57%▲ +7.25%$177.80 (+8.96%)
Aug 13, 2026
7w ago
Insider Cluster
NEUTRAL ★ 3/10
$157.21 $167.84▲ +6.76%▲ +8.75%$177.80 (+13.10%)
Aug 13, 2026
7w ago
Insider Cluster
NEUTRAL ★ 4/10
$157.21 $167.84▲ +6.76%▲ +8.75%$177.80 (+13.10%)
Aug 11, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$165.11 $159.03▼ −3.68%▼ −1.78%$177.80 (+7.69%)
Aug 11, 2026
7w ago
Insider Cluster
NEUTRAL ★ 4/10
$165.11 $159.03▼ −3.68%▼ −1.78%$177.80 (+7.69%)
Aug 6, 2026
8w ago
Insider Cluster
NEUTRAL ★ 2/10
$168.48 $161.41▼ −4.20%▼ −3.80%$177.80 (+5.53%)
Jul 30, 2026
9w ago
S-3ASR
NEUTRAL ★ 2/10
$161.99 $161.49▼ −0.31%▼ −3.29%$177.80 (+9.76%)
Jun 30, 2026
13w ago
Insider Cluster
NEUTRAL ★ 2/10
$170.77 $144.07▼ −15.64%▼ −13.45%$177.80 (+4.12%)
Jun 22, 2026
14w ago
144
NEUTRAL ★ 2/10
$130.83 $148.07▲ +13.18%▲ +12.02%$177.80 (+35.90%)
Jun 16, 2026
15w ago
Court Ruling
BEARISH ★ 7/10
$127.34 $160.11▼ −25.73%▼ −25.53%$177.80 (−39.63%)
Showing 10 of 26

US Market Status

Market Closed — Opens Mon (64h 21m)

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Report published Aug 18, 2026