Ian T Clark Insider Trading Activity
Ian T Clark has been net-selling over the last 12 months with 0 purchases and 8 sales across 2 different companies.
GH is the most-traded position with 5 trades. The largest single transaction was a sale of OLMA for $5.7M on Dec 19, 2025.
Performance Scorecard
Forward stock performance after each transaction by Ian T Clark. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | +6.7% | 100% | 7 |
| 90 days | — | +25.2% | 86% | 7 |
| 120 days | — | +21.3% | 86% | 7 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade Markers🔒 Subscribe to see trade entries
Pro members see exactly when Ian T Clark bought and sold GH.
Upgrade to ProRecent Trades
| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| May 20, 2026 | GH | Sell | 6,876 | $106.90 | $735K | Director |
| Dec 19, 2025 | OLMA | Sell | 29,904 | $28.83 | $862K | Director |
| Dec 19, 2025 | OLMA | Sell | 193,056 | $29.71 | $5.7M | Director |
| Dec 19, 2025 | OLMA | Sell | 41,840 | $30.48 | $1.3M | Director |
| Dec 5, 2025 | GH | Sell | 8,156 | $106.67 | $870K | Director |
| Dec 5, 2025 | GH | Sell | 17,055 | $107.27 | $1.8M | Director |
| Dec 5, 2025 | GH | Sell | 3,400 | $108.05 | $367K | Director |
| Jun 17, 2025 | GH | Sell | 6,672 | $48.38 | $323K | Director |
Top Companies Traded
Other insiders at Guardant Health, Inc.
10 other tracked filers at GH.
CEO
21
Trades
Chief People Officer
14
Trades
CFO
13
Trades
Chief Commercial Officer
12
Trades
Director
10
Trades
Director
9
Trades
Director
7
Trades
Director
6
Trades
Chief Information Officer
5
Trades
Chief Legal Officer
4
Trades