Insider selling is immaterial in size and lacks a cluster of C-suite executives selling simultaneously. No bearish signal. Monitor the next 8-K or earnings release for any fundamental changes, but this cluster alone does not warrant a trading action.
Price Chart
Executive Summary
Two Guardant Health insiders — the Chief Legal Officer and a Director — sold a combined $1.38M in open-market sales over a 7-day window. The CLO's $1.25M sale dominates the cluster. No insiders bought shares. The sales represent ~0.008% of the $16.8B market cap, well below the 0.1% materiality threshold, making this a routine liquidity-driven event.
Key Financial Metrics
Key Facts
- Chief Legal Officer John G. Saia sold 10,000 shares at $125.08 for $1.25M on 2026-05-27.
- Director Manuel Hidalgo Medina sold 1,000 shares at $130.06 for $130K on 2026-05-28.
- Total cluster value of $1.38M represents ~0.008% of GH's $16.8B market cap.
- No open-market purchases were made by any insider during the window.
- Director Joyce Meghan V. also sold 3,516 shares at $126.52 for $445K on 2026-06-03, but this was paired with derivative exercises (non-cash).
- The CLO's sale is the largest single trade and may be tied to a 10b5-1 plan or routine diversification.
Financial Impact
Total insider sales of $1.38M, or ~0.008% of market cap — trivial relative to company size.
Risk Factors
- Insider sales could accelerate if the stock continues to rally, but current volume is too small to indicate informed selling.
- No purchases to offset the sales — a lack of insider conviction, but not a negative signal at this scale.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-GH-1780610876286 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 24, 2026 5w ago | Insider Cluster | $163.18 $177.16 | ▲ +8.57% | ▲ +7.25% | $177.80 (+8.96%) |
Aug 13, 2026 7w ago | Insider Cluster | $157.21 $167.84 | ▲ +6.76% | ▲ +8.75% | $177.80 (+13.10%) |
Aug 13, 2026 7w ago | Insider Cluster | $157.21 $167.84 | ▲ +6.76% | ▲ +8.75% | $177.80 (+13.10%) |
Aug 11, 2026 7w ago | Insider Cluster | $165.11 $159.03 | ▼ −3.68% | ▼ −1.78% | $177.80 (+7.69%) |
Aug 11, 2026 7w ago | Insider Cluster | $165.11 $159.03 | ▼ −3.68% | ▼ −1.78% | $177.80 (+7.69%) |
Aug 6, 2026 8w ago | Insider Cluster | $168.48 $161.41 | ▼ −4.20% | ▼ −3.80% | $177.80 (+5.53%) |
Jul 30, 2026 9w ago | S-3ASR | $161.99 $161.49 | ▼ −0.31% | ▼ −3.29% | $177.80 (+9.76%) |
Jun 30, 2026 13w ago | Insider Cluster | $170.77 $144.07 | ▼ −15.64% | ▼ −13.45% | $177.80 (+4.12%) |
Jun 22, 2026 14w ago | 144 | $130.83 $148.07 | ▲ +13.18% | ▲ +12.02% | $177.80 (+35.90%) |
Jun 16, 2026 15w ago | Court Ruling | $127.34 $160.11 | ▼ −25.73% | ▼ −25.53% | $177.80 (−39.63%) |
US Market Status
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