Ridloff Elena
SEC CIK 1772518 · EDGAR
BoughtSold
Most active insiders at SION, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Thompson Peter A. | Dir | — | $55.67M |
| 2 | ORBIMED ADVISORS LLC | Dir | — | $52.73M |
| 3 | RA CAPITAL MANAGEMENT, L.P. | Dir, 10% | — | $27.34M |
| 4 | Booth Bruce | Dir | — | $22.09M |
| 5 | RA Capital Nexus Fund III, L.P. | Dir | — | $14.76M |
| 6 | WINKELRIED JON | 10% | — | $10.00M |
| 7 | Cloonan Michael | Pres, CEO, Dir | — | $5.13M |
| 8 | OrbiMed Capital GP VIII LLC | Dir | — | $2.95M |
| 9 | Fitzpatrick Jennifer | CLO, Head of Program Mgmt | — | $1.21M |
| 10 | Kolchinsky Peter | Dir, 10% | — | $1.20M |
| 12 | Ridloff Elena | CFO, CBO | — | — |
Transactions 12
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-09-18 16:59 | 2026-09-17 | SION | Sionna Therapeutics, Inc. | Ridloff Elena | CFO, CBO | A - Grant | $0.00 | +94.5K | 133.1K | +245% | $0 |
| DT | 2026-05-11 16:58 | 2026-05-11 | KYMR | Kymera Therapeutics, Inc. | Ridloff Elena | Dir | M - OptEx | $31.20 | +3,000 | 3,000 | New | +$93.6K |
| DT | 2026-05-11 16:58 | 2026-05-11 | KYMR | Kymera Therapeutics, Inc. | Ridloff Elena | Dir | S - Sale+OE | $87.00 | -3,000 | 0 | -100% | -$261.0K |
| DMT | 2026-04-01 19:00 | 2026-03-31+ | KYMR | Kymera Therapeutics, Inc. | Ridloff Elena | Dir | M - OptEx | $14.18 | +12.0K | 4,600 | New | +$170.2K |
| DMT | 2026-04-01 19:00 | 2026-03-31+ | KYMR | Kymera Therapeutics, Inc. | Ridloff Elena | Dir | S - Sale+OE | $85.39 | -12.0K | 0 | -100% | -$1.02M |
| M | 2025-09-03 | 2025-08-29+ | SION | Sionna Therapeutics, Inc. | Ridloff Elena | CFO, Head of Corp. Dev | S - Sale | $25.09 | -9,584 | 38.5K | -20% | -$240.4K |
| M | 2025-08-28 | 2025-08-26+ | SION | Sionna Therapeutics, Inc. | Ridloff Elena | CFO, Head of Corp. Dev | S - Sale | $25.70 | -23.4K | 48.1K | -33% | -$601.9K |
| M | 2025-08-21 | 2025-08-19+ | SION | Sionna Therapeutics, Inc. | Ridloff Elena | CFO, Head of Corp. Dev | S - Sale | $21.62 | -52.0K | 71.5K | -42% | -$1.12M |
| DT | 2025-06-11 | 2025-06-11 | KYMR | Kymera Therapeutics, Inc. | Ridloff Elena | Dir | S - Sale+OE | $50.00 | -4,500 | 0 | -100% | -$225.0K |
| DT | 2025-06-11 | 2025-06-11 | KYMR | Kymera Therapeutics, Inc. | Ridloff Elena | Dir | M - OptEx | $20.29 | +4,500 | 4,500 | New | +$91.3K |
| DMT | 2025-06-03 | 2025-06-03 | KYMR | Kymera Therapeutics, Inc. | Ridloff Elena | Dir | S - Sale+OE | $46.10 | -12.0K | 4,800 | -71% | -$553.2K |
| DT | 2025-06-03 | 2025-06-03 | KYMR | Kymera Therapeutics, Inc. | Ridloff Elena | Dir | M - OptEx | $27.67 | +12.0K | 12.0K | New | +$332.0K |
Purchase Sale Sale after option exercise All abbreviations