Ian T Clark sold $3.1M of GH
director at Guardant Health, Inc.. 28,611 shares at an average of $107.19, traded Dec 5, 2025, filed Dec 8, 2025.
Score components
- +15RoleDirector
- +25Trade size$3.1M at market
- +20Share of holdings soldSold 74% of holdings
- +15Cluster10 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001336504-25-000007, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 5, 2025 | MOption exercise Common Stockindirect: By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account | +9,105 | $38.42 | $350k | 18,956 | Dec 8, 2025 |
| Dec 5, 2025 | MOption exercise Common Stockindirect: By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account | +8,803 | $38.01 | $335k | 27,759 | Dec 8, 2025 |
| Dec 5, 2025 | MOption exercise Common Stockindirect: By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account | +10,703 | $31.84 | $341k | 38,462 | Dec 8, 2025 |
| Dec 5, 2025 | SOpen-market sale Common Stockindirect: By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account | -8,156 | $106.67 | $870k | 30,306 | Dec 8, 2025 |
| Dec 5, 2025 | SOpen-market sale Common Stockindirect: By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account | -17,055 | $107.27 | $1.8M | 13,251 | Dec 8, 2025 |
| Dec 5, 2025 | SOpen-market sale Common Stockindirect: By The Thornton-Clark Family Trust, J Thornton-Clark & I Clark TTE Account | -3,400 | $108.05 | $367k | 9,851 | Dec 8, 2025 |
| Dec 5, 2025 | MOption exercise Stock Option (Right to Buy)derivative | -9,105 | $0.00 | $0 | 0 | Dec 8, 2025 |
| Dec 5, 2025 | MOption exercise Stock Option (Right to Buy)derivative | -8,803 | $0.00 | $0 | 0 | Dec 8, 2025 |
| Dec 5, 2025 | MOption exercise Stock Option (Right to Buy)derivative | -10,703 | $0.00 | $0 | 0 | Dec 8, 2025 |
Related signals
Other insiders at Guardant Health, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 41Moderate | Guardant Health, Inc. | Alex M Azar II director | $145k 826 shares | -50% | |
| 55Moderate | Guardant Health, Inc. | Darya Chudova Chief Technology Officer | $1.4M 7,738 shares | -10% | |
| 65Notable | Guardant Health, Inc. | Steve E. Krognes director | $1.2M 6,674 shares | -46% | |
| 0Weak | Guardant Health, Inc. | Musa Tariq director | $20k 116 shares | -1% | |
| 50Moderate | Guardant Health, Inc. | Kumud Kalia Chief Information Officer | $632k 4,000 shares | -9% | |
| 15Weak | Guardant Health, Inc. | Musa Tariq director | $31k 348 shares | -4% | |
| 35Weak | Guardant Health, Inc. | Michael Brian Bell Chief Financial Officer | $261k 3,000 shares | -6% | |
| 45Moderate | Guardant Health, Inc. | Medina Manuel Hidalgo director | $119k 1,300 shares | -52% | |
| 60Notable | Guardant Health, Inc. | Kumud Kalia Chief Information Officer | $3.8M 40,000 shares | -52% | |
| 30Weak | Guardant Health, Inc. | Terilyn J. Monroe Chief People Officer | $978k 8,571 shares | -29% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.