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Cloonan Michael
President & CEODirectorCIK 0001704336
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 6
- Buy transactions
- 0
- Sell transactions
- 12
- Companies
- 1
- Active
- 2025–2026
Cloonan Michael, President & CEO, Director, accounts for 6 disclosed filings worth $25.9M, all concentrated in Sionna Therapeutics, Inc. (SION), active 2025–2026. The record is heavily weighted toward selling, with $0 in purchases against $6.3M in sales. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
6 loaded
| Sep 18 | SION Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO, Director | Grant | $17.1M |
| Oct 22 | SION Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO, Director | Sell | $3.6M |
| Oct 17 | SION Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO, Director | Sell | $788.2K |
| Sep 30 | SION Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO, Director | Sell | $727.8K |
| Aug 28 | SION Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO, Director | Sell | $624.4K |
| Aug 21 | SION Sionna Therapeutics, Inc. | Cloonan Michael | President & CEO, Director | Sell | $568.8K |
6 filings