Cloonan Michael
- SEC CIK
- 0001704336
In the past year, 3 open-market sale filings worth $5.13M and no purchases.
Current role at each company
- SION Sionna Therapeutics, Inc.President & CEOas of Sep 18, 2026
- BLUE bluebird bio, Inc.Directoras of Jun 3, 2025
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $5.13M
- 3 filings
- Net
- −$5.13M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Cloonan Michael as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
SION Sionna Therapeutics, Inc.
President & CEO5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 22, 2025 (view filing) | Oct 21 | 1 day | Cloonan MichaelPresident & CEO | SSale | −99.8K | $36.26 | −$3.62M | −15.4%547.3K after | 4 lots10b5-1 |
| Oct 17, 2025 (view filing) | Oct 15-16 | 2 days | Cloonan MichaelPresident & CEO | SSale | −25.2K | $31.27 | −$788.1K | −4.4%547.3K after | 3 lots10b5-1 |
| Sep 30, 2025 (view filing) | Sep 26-29 | 4 days | Cloonan MichaelPresident & CEO | SSale | −25.0K | $29.11 | −$727.9K | −4.4%547.3K after | 2 lots10b5-1 |
| Aug 28, 2025 (view filing) | Aug 26-27 | 2 days | Cloonan MichaelPresident & CEO | SSale | −25.0K | $24.97 | −$624.4K | −4.4%547.3K after | 2 lots10b5-1 |
| Aug 21, 2025 (view filing) | Aug 20 | 1 day | Cloonan MichaelPresident & CEO | SSale | −25.0K | $22.75 | −$568.8K | −4.4%547.3K after | 10b5-1 |