CLARK IAN T
SEC CIK 1336504 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| GH | Guardant Health, Inc. | Dir | 17.2K | — | $8.14M | 19 | 2021-06-29 | 2026-08-04 |
| BMRN | BIOMARIN PHARMACEUTICAL INC | Dir | 14.5K | — | — | 2 | 2025-08-01 | 2026-06-02 |
| KYTX | Kyverna Therapeutics, Inc. | Dir | 21.7K | — | — | 2 | 2025-05-29 | 2026-05-27 |
| OLMA | Olema Pharmaceuticals, Inc. | Dir | 264.8K | — | $7.87M | 2 | 2025-12-19 | 2025-12-19 |
| GDRX | GoodRx Holdings, Inc. | Dir | 100.2K | — | — | 3 | 2024-07-08 | 2025-07-08 |
| AGIO | AGIOS PHARMACEUTICALS, INC. | Dir | 6,549 | — | — | 1 | 2022-05-20 | 2022-05-20 |
Most active insiders at GH, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Talasaz AmirAli | Co-CEO, Dir | — | $84.25M |
| 2 | Eltoukhy Helmy | Co-CEO, Dir | — | $22.03M |
| 3 | Freeman Chris | Chief Commercial Off | — | $16.92M |
| 4 | Monroe Terilyn J. | CHRO | — | $15.95M |
| 5 | Bell Michael Brian | CFO | — | $8.81M |
| 6 | CLARK IAN T | Dir | — | $6.06M |
| 7 | Kalia Kumud | CIO | $78.5K | $5.91M |
| 8 | Chudova Darya | CTO | — | $4.36M |
| 9 | Saia John G. | CLO | — | $4.25M |
| 10 | Krognes Steve E. | Dir | — | $2.40M |
Transactions 29
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DMI | 2026-08-05 17:05 | 2026-08-04 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | M - OptEx | $60.63 | +9,088 | 17.2K | +113% | +$551.0K |
| DMI | 2026-08-05 17:05 | 2026-08-04 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | S - Sale+OE | $158.92 | -14.2K | 2,975 | -83% | -$2.25M |
| DI | 2026-06-22 17:51 | 2026-06-17 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | M - OptEx | $0.00 | +5,092 | 8,067 | +171% | $0 |
| 2026-06-04 18:03 | 2026-06-02 | BMRN | BIOMARIN PHARMACEUTICAL INC | CLARK IAN T | Dir | A - Grant | $0.00 | +7,490 | 14.5K | +107% | $0 | |
| D | 2026-05-29 16:30 | 2026-05-27 | KYTX | Kyverna Therapeutics, Inc. | CLARK IAN T | Dir | A - Grant | $0.00 | +5,093 | 21.7K | +31% | $0 |
| I | 2026-05-22 16:57 | 2026-05-20 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | S - Sale | $106.90 | -6,876 | 2,975 | -70% | -$735.0K |
| DM | 2025-12-23 | 2025-12-19 | OLMA | Olema Pharmaceuticals, Inc. | CLARK IAN T | Dir | M - OptEx | $4.61 | +264.8K | 264.8K | New | +$1.22M |
| DM | 2025-12-23 | 2025-12-19 | OLMA | Olema Pharmaceuticals, Inc. | CLARK IAN T | Dir | S - Sale+OE | $29.73 | -264.8K | 0 | -100% | -$7.87M |
| DMI | 2025-12-08 | 2025-12-05 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | M - OptEx | $35.83 | +28.6K | 38.5K | +290% | +$1.03M |
| DMI | 2025-12-08 | 2025-12-05 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | S - Sale+OE | $107.19 | -28.6K | 13.3K | -68% | -$3.07M |
| 2025-08-05 | 2025-08-01 | BMRN | BIOMARIN PHARMACEUTICAL INC | CLARK IAN T | Dir | A - Grant | $0.00 | +7,000 | 7,000 | New | $0 | |
| D | 2025-07-09 | 2025-07-08 | GDRX | GoodRx Holdings, Inc. | CLARK IAN T | Dir | M - OptEx | $4.74 | +17.2K | 100.2K | +21% | +$81.8K |
| DI | 2025-06-20 | 2025-06-17 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | S - Sale | $48.38 | -6,672 | 9,851 | -40% | -$322.8K |
| DI | 2025-06-16 | 2025-06-12 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | M - OptEx | $0.00 | +8,088 | 16.5K | +96% | $0 |
| 2025-06-04 | 2025-06-03 | GDRX | GoodRx Holdings, Inc. | CLARK IAN T | Dir | A - Grant | $0.00 | +57.0K | 82.9K | +221% | $0 | |
| D | 2025-06-02 | 2025-05-29 | KYTX | Kyverna Therapeutics, Inc. | CLARK IAN T | Dir | A - Grant | $0.00 | +16.6K | 16.6K | New | $0 |
| D | 2024-11-14 | 2024-11-12 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | M - OptEx | $4.18 | +1,076 | 16.8K | +7% | +$4,498 |
| DI | 2024-11-14 | 2024-11-12 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | J - Other | $0.00 | +8,435 | 8,435 | New | $0 |
| DM | 2024-11-14 | 2024-11-12 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | S - Sale+OE | $29.45 | -8,318 | 15.7K | -35% | -$245.0K |
| D | 2024-11-14 | 2024-11-12 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | J - Other | $0.00 | -8,435 | 0 | -100% | $0 |
| D | 2024-07-10 | 2024-07-08 | GDRX | GoodRx Holdings, Inc. | CLARK IAN T | Dir | A - Grant | $0.00 | +25.9K | 25.9K | New | $0 |
| D | 2024-06-13 | 2024-06-12 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | M - OptEx | $0.00 | +6,776 | 15.7K | +76% | $0 |
| D | 2023-06-16 | 2023-06-14 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | M - OptEx | $0.00 | +6,703 | 8,901 | +305% | $0 |
| D | 2022-06-17 | 2022-06-15 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | M - OptEx | $0.00 | +2,198 | 2,198 | New | $0 |
| D | 2022-05-24 | 2022-05-20 | AGIO | AGIOS PHARMACEUTICALS, INC. | CLARK IAN T | Dir | M - OptEx | $0.00 | +1,585 | 6,549 | +32% | $0 |
| D | 2021-09-03 | 2021-09-01 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | S - Sale+OE | $130.00 | -1,076 | 0 | -100% | -$139.9K |
| D | 2021-09-03 | 2021-09-01 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | M - OptEx | $4.18 | +1,076 | 1,076 | New | +$4,498 |
| D | 2021-07-01 | 2021-06-29 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | S - Sale+OE | $130.00 | -10.6K | 0 | -100% | -$1.37M |
| DM | 2021-07-01 | 2021-06-29 | GH | Guardant Health, Inc. | CLARK IAN T | Dir | M - OptEx | $63.83 | +5,916 | 5,719 | New | +$377.6K |
Purchase Sale Sale after option exercise All abbreviations