Form 4: Guardant Health Executive Sells Shares
Insider Transaction (Form 4)
Terilyn J. Monroe, Chief People Officer of Guardant Health, Inc., sold 46,300 shares of common stock on August 12, 2026.
Summary
- Option exercise/conversion: acquired 32,288 Common Stock at $20.14 ($650,280) on August 12, 2026; holds 55,267 after (Direct).
- Option exercise/conversion: acquired 14,012 Common Stock at $28.61 ($400,883) on August 12, 2026; holds 69,279 after (Direct).
- Open-market sale: disposed of 3,704 Common Stock at $163.41 ($605,286) on August 12, 2026; holds 65,575 after (Direct).
- Open-market sale: disposed of 9,934 Common Stock at $164.27 ($1,631,870) on August 12, 2026; holds 55,641 after (Direct).
- Open-market sale: disposed of 19,014 Common Stock at $165.16 ($3,140,310) on August 12, 2026; holds 36,627 after (Direct).
- Open-market sale: disposed of 13,248 Common Stock at $166.11 ($2,200,584) on August 12, 2026; holds 23,379 after (Direct).
- Open-market sale: disposed of 400 Common Stock at $167.92 ($67,168) on August 12, 2026; holds 22,979 after (Direct).
- Option exercise/conversion: disposed of 32,288 Stock Option (Right to Buy) on August 12, 2026; holds 10,916 after (Direct).
- Option exercise/conversion: disposed of 14,012 Stock Option (Right to Buy) on August 12, 2026; holds 18,615 after (Direct).
Sentiment
Score: 2
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $7,645,218 of stock on the open market.
Insider Transactions
Terilyn J. Monroe — Officer (Chief People Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-08-12 | Option exercise/conversion | Common Stock | 32,288 | $20 | $650.3K | 55,267 |
| 2026-08-12 | Option exercise/conversion | Common Stock | 14,012 | $29 | $400.9K | 69,279 |
| 2026-08-12 | Open-market sale | Common Stock | 3,704 | $163 | $605.3K | 65,575 |
| 2026-08-12 | Open-market sale | Common Stock | 9,934 | $164 | $1.6M | 55,641 |
| 2026-08-12 | Open-market sale | Common Stock | 19,014 | $165 | $3.1M | 36,627 |
| 2026-08-12 | Open-market sale | Common Stock | 13,248 | $166 | $2.2M | 23,379 |
| 2026-08-12 | Open-market sale | Common Stock | 400 | $168 | $67.2K | 22,979 |
| 2026-08-12 | Option exercise/conversion | Stock Option (Right to Buy) | 32,288 | — | — | 10,916 |
| 2026-08-12 | Option exercise/conversion | Stock Option (Right to Buy) | 14,012 | — | — | 18,615 |
Key Dates
| Date | Description |
|---|---|
| 2026-08-12 | Option exercise/conversion (32,288 shares) |
| 2026-08-12 | Option exercise/conversion (14,012 shares) |
| 2026-08-12 | Open-market sale (3,704 shares) |
| 2026-08-12 | Open-market sale (9,934 shares) |
| 2026-08-12 | Open-market sale (19,014 shares) |
| 2026-08-12 | Open-market sale (13,248 shares) |
| 2026-08-12 | Open-market sale (400 shares) |
| 2026-08-12 | Option exercise/conversion (32,288 shares) |
| 2026-08-12 | Option exercise/conversion (14,012 shares) |
Keywords
insider transaction, Form 4, GH, Guardant Health, Inc., bearish, Terilyn J. Monroe
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