Who
Michael Cloonan
President & CEO
Company insider
Files Form 4 as: President & CEO, Sionna Therapeutics; Director, bluebird bio; Chief Business Officer, Sage Therapeutics.
In numbers
- Trades disclosed
- 62
- Buys
- 0
- Sells
- 9
- Bought
- $0
- Sold
- $10.7M
- Companies
- 3
- Companies where not an officer
- 1
- First trade
- 1 May 2017
- Last trade
- 17 Sep 2026
- Last filed
- 18 Sep 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 17 Sep 2026filed 18 Sep 2026 | SION Sionna TherapeuticsBiotechnology | SEC FORM 4 Code A | —109,025 at $0.00 | filing |
| 17 Sep 2026filed 18 Sep 2026 | SION Sionna TherapeuticsBiotechnology | SEC FORM 4 Code A | —109,025 at $0.00 | filing |
| 17 Sep 2026filed 18 Sep 2026 | SION Sionna Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —436,100 at $0.00 | filing |
| 17 Sep 2026filed 18 Sep 2026 | SION Sionna Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —436,100 at $0.00 | filing |
| 17 Sep 2026filed 18 Sep 2026 | SION Sionna Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code D | —436,100 at $0.00 | filing |
| 17 Sep 2026filed 18 Sep 2026 | SION Sionna Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code D | —436,100 at $0.00 | filing |
| 17 Sep 2026filed 18 Sep 2026 | SION Sionna TherapeuticsBiotechnology | SEC FORM 4 Code A | —109,025 at $0.00 | filing |
| 17 Sep 2026filed 18 Sep 2026 | SION Sionna TherapeuticsBiotechnology | SEC FORM 4 Code A | —109,025 at $0.00 | filing |
| 2 Jan 2026filed 6 Jan 2026 | SION Sionna Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —436,100 at $0.00 | filing |
| 2 Jan 2026filed 6 Jan 2026 | SION Sionna Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code A | —436,100 at $0.00 | filing |
| 21 Oct 2025filed 22 Oct 2025 | SION Sionna Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code M | —13,324 at $0.00 | filing |
| 21 Oct 2025filed 22 Oct 2025 | SION Sionna Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code M | —30,049 at $0.00 | filing |
| 21 Oct 2025filed 22 Oct 2025 | SION Sionna Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code M | —22,895 at $0.00 | filing |
| 21 Oct 2025filed 22 Oct 2025 | SION Sionna Therapeuticsoption or derivative · Biotechnology | SEC FORM 4 Code M | —33,532 at $0.00 | filing |
| 21 Oct 2025filed 22 Oct 2025 | SION Sionna TherapeuticsBiotechnology | SEC FORM 4 Code M | $81K13,324 at $6.11 | filing |
| 21 Oct 2025filed 22 Oct 2025 | SION Sionna TherapeuticsBiotechnology | SEC FORM 4 Sold | $459K13,324 at $34.44 | filing |
| 21 Oct 2025filed 22 Oct 2025 | SION Sionna TherapeuticsBiotechnology | SEC FORM 4 Code M | $184K30,049 at $6.11 | filing |
| 21 Oct 2025filed 22 Oct 2025 | SION Sionna TherapeuticsBiotechnology | SEC FORM 4 Sold | $1.1M30,049 at $35.63 | filing |
| 21 Oct 2025filed 22 Oct 2025 | SION Sionna TherapeuticsBiotechnology | SEC FORM 4 Code M | $140K22,895 at $6.11 | filing |
| 21 Oct 2025filed 22 Oct 2025 | SION Sionna TherapeuticsBiotechnology | SEC FORM 4 Sold | $838K22,895 at $36.60 | filing |
News
Sionna Therapeutics to Present Data at the 2026 North American Cystic Fibrosis ConferenceSION · manilatimes.net · 8 Oct 2026
0 headlines in the last 90 days name Michael Cloonan; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.