Cloonan Michael (CIK 1704336) reported 25 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2025-10-22). Recent activity: Buy SION (13,324 shares), Sell SION (13,324 shares), Buy SION (30,049 shares), Sell SION (30,049 shares), Buy SION (22,895 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-10-22 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 13,324 | $81,410 |
| 2025-10-22 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 13,324 | $458,879 |
| 2025-10-22 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 30,049 | $183,599 |
| 2025-10-22 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 30,049 | $1.1M |
| 2025-10-22 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 22,895 | $139,888 |
| 2025-10-22 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 22,895 | $837,957 |
| 2025-10-22 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 33,532 | $204,881 |
| 2025-10-22 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 33,532 | $1.3M |
| 2025-10-17 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 200 | $1,222 |
| 2025-10-17 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 14,775 | $459,650 |
| 2025-10-17 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 10,225 | $62,475 |
| 2025-10-17 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 10,225 | $321,678 |
| 2025-10-17 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 14,775 | $90,275 |
| 2025-10-17 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 200 | $6,800 |
| 2025-09-30 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 17,207 | $105,135 |
| 2025-09-30 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 17,207 | $496,422 |
| 2025-09-30 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 7,793 | $47,615 |
| 2025-09-30 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 7,793 | $231,452 |
| 2025-08-28 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 17,574 | $107,377 |
| 2025-08-28 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 17,574 | $438,647 |
| 2025-08-28 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 7,426 | $45,373 |
| 2025-08-28 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 7,426 | $185,724 |
| 2025-08-21 | Sionna Therapeutics, Inc. (SION) | President & CEO | Buy | 25,000 | $152,750 |
| 2025-08-21 | Sionna Therapeutics, Inc. (SION) | President & CEO | Sell | 25,000 | $568,750 |
| 2025-06-03 | bluebird bio, Inc. (BLUE) | Director | Sell | 1,867 | $0 |
Source: SEC Form 4 filings · as of 2025-10-22