Guardant Health Director Musa Tariq Executes Modest 10b5-1 Sale Following RSU Vest

Guardant Health, Inc. ($GH) Insider Transaction Analysis

Overview

On October 19, 2026, Guardant Health, Inc. Director Musa Tariq filed a Form 4 disclosing the following transactions:

• October 15, 2026: Acquired 250 shares of Common Stock through the vesting and conversion of Restricted Stock Units (RSUs) at $0.00.
• October 16, 2026: Sold 116 shares of Common Stock at an average price of $165.88 per share, generating total gross proceeds of $19,242.08.

Key Findings

1. Routine Vesting and Liquidation: The transaction appears to be a standard routine sale or tax-related liquidation following the scheduled monthly vesting of RSUs granted on March 6, 2023.
2. Rule 10b5-1 Plan: The transaction was marked as executed pursuant to a pre-arranged Rule 10b5-1 trading plan.
3. Holding Position: Following these transactions, Musa Tariq directly holds 11,583 shares of Guardant Health Common Stock and 1,250 unvested RSUs.

Trading Significance

Low. The trade size is minimal (116 shares, ~$19.2K) relative to the director's total holdings and does not reflect a change in insider sentiment.