Monitor for the actual sale on Form 4 and any subsequent insider selling patterns. The CEO's intent to sell a large block could signal lack of confidence ahead of the next earnings report or material news. Consider reducing exposure or hedging until the sale is completed or clarified.
Price Chart
Executive Summary
Co-founder and CEO AmirAli Talasaz filed a Form 144 to sell 260,000 shares of Guardant Health common stock, valued at approximately $26.1 million based on the filing date. This is a material insider sale by the CEO, representing a significant portion of his holdings and signaling potential bearish sentiment ahead of any upcoming catalysts.
Key Facts
- CEO AmirAli Talasaz filed to sell 260,000 shares of GH common stock.
- Estimated sale value: ~$26.1 million based on filing date.
- Shares to be sold through Stifel Nicolaus & Company Inc.
- Sale includes shares acquired via open market purchases, RSUs, stock options, and founder shares.
- Filing date: May 12, 2026; proposed sale date also May 12, 2026.
- Shares held indirectly through Talasaz & Eskandari 2017 Family Trust.
Financial Impact
CEO selling ~$26.1M in stock, representing a material portion of his holdings.
Risk Factors
- CEO selling large stake may indicate negative outlook or upcoming bad news.
- Sale may pressure stock price if executed in open market.
- Potential for additional insider selling if others follow suit.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001972481-26-000154 |
| Document: 0001972481-26-000154-index.html | 0001972481-26-000154 |
| Document: 0001972481-26-000154.txt | 0001972481-26-000154 |
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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