Cloonan Michael
SEC CIK 1704336 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| SION | Sionna Therapeutics, Inc. | Pres, CEO, Dir | 765.4K | — | $6.33M | 11 | 2025-08-20 | 2026-09-17 |
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 |
Transactions 11
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-09-18 16:52 | 2026-09-17 | SION | Sionna Therapeutics, Inc. | Cloonan Michael | Pres, CEO, Dir | A - Grant | $0.00 | +218.1K | 765.4K | +40% | $0 |
| DM | 2025-10-22 | 2025-10-21 | SION | Sionna Therapeutics, Inc. | Cloonan Michael | Pres, CEO, Dir | S - Sale+OE | $36.26 | -99.8K | 547.3K | -15% | -$3.62M |
| DM | 2025-10-22 | 2025-10-21 | SION | Sionna Therapeutics, Inc. | Cloonan Michael | Pres, CEO, Dir | M - OptEx | $6.11 | +99.8K | 577.4K | +21% | +$609.8K |
| DM | 2025-10-17 | 2025-10-15+ | SION | Sionna Therapeutics, Inc. | Cloonan Michael | Pres, CEO, Dir | S - Sale+OE | $31.27 | -25.2K | 547.3K | -4% | -$788.1K |
| DM | 2025-10-17 | 2025-10-15+ | SION | Sionna Therapeutics, Inc. | Cloonan Michael | Pres, CEO, Dir | M - OptEx | $6.11 | +25.2K | 562.1K | +5% | +$154.0K |
| DM | 2025-09-30 | 2025-09-26+ | SION | Sionna Therapeutics, Inc. | Cloonan Michael | Pres, CEO, Dir | M - OptEx | $6.11 | +25.0K | 564.5K | +5% | +$152.8K |
| DM | 2025-09-30 | 2025-09-26+ | SION | Sionna Therapeutics, Inc. | Cloonan Michael | Pres, CEO, Dir | S - Sale+OE | $29.11 | -25.0K | 547.3K | -4% | -$727.9K |
| DM | 2025-08-28 | 2025-08-26+ | SION | Sionna Therapeutics, Inc. | Cloonan Michael | Pres, CEO, Dir | S - Sale+OE | $24.97 | -25.0K | 547.3K | -4% | -$624.4K |
| DM | 2025-08-28 | 2025-08-26+ | SION | Sionna Therapeutics, Inc. | Cloonan Michael | Pres, CEO, Dir | M - OptEx | $6.11 | +25.0K | 564.9K | +5% | +$152.8K |
| D | 2025-08-21 | 2025-08-20 | SION | Sionna Therapeutics, Inc. | Cloonan Michael | Pres, CEO, Dir | S - Sale+OE | $22.75 | -25.0K | 547.3K | -4% | -$568.8K |
| D | 2025-08-21 | 2025-08-20 | SION | Sionna Therapeutics, Inc. | Cloonan Michael | Pres, CEO, Dir | M - OptEx | $6.11 | +25.0K | 572.3K | +5% | +$152.8K |
Purchase Sale Sale after option exercise All abbreviations