Booth Bruce's Form 4 filing
Sionna Therapeutics, Inc. (SION) · filed Oct 15, 2025
- Accession no.
- 0001451612-25-000008
- Filed
- Oct 15, 2025
- Trade date
- Oct 10-15, 2025
- Filing delay
- 5 days
- Rule 10b5-1 plan
- Checked
This filing lists 12 non-derivative transactions and 0 derivative transactions. Open-market sales total $5.94M. It was filed 5 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Booth BruceCIK 0001451612 | Director |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Oct 10, 2025 | Common Stock | SSaleDisposed | −16,727 | $29.98 | −$501,475.46 | 2,763,574 | Indirect | |
| Oct 10, 2025 | Common Stock | SSaleDisposed | −3,511 | $29.98 | −$105,259.78 | 781,969 | Indirect | |
| Oct 13, 2025 | Common Stock | SSaleDisposed | −44,048 | $30.32 | −$1,335,535.36 | 2,719,526 | Indirect | |
| Oct 13, 2025 | Common Stock | SSaleDisposed | −9,245 | $30.32 | −$280,308.4 | 772,724 | Indirect | |
| Oct 13, 2025 | Common Stock | SSaleDisposed | −4,082 | $31.03 | −$126,664.46 | 2,715,444 | Indirect | |
| Oct 13, 2025 | Common Stock | SSaleDisposed | −857 | $31.03 | −$26,592.71 | 771,867 | Indirect | |
| Oct 14, 2025 | Common Stock | SSaleDisposed | −501 | $29.95 | −$15,004.95 | 2,714,943 | Indirect | |
| Oct 14, 2025 | Common Stock | SSaleDisposed | −105 | $29.95 | −$3,144.75 | 771,762 | Indirect | |
| Oct 15, 2025 | Common Stock | SSaleDisposed | −65,726 | $30.37 | −$1,996,098.62 | 2,649,217 | Indirect | |
| Oct 15, 2025 | Common Stock | SSaleDisposed | −13,795 | $30.37 | −$418,954.15 | 757,967 | Indirect | |
| Oct 15, 2025 | Common Stock | SSaleDisposed | −30,032 | $31.12 | −$934,595.84 | 2,619,185 | Indirect | |
| Oct 15, 2025 | Common Stock | SSaleDisposed | −6,303 | $31.12 | −$196,149.36 | 751,664 | Indirect |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.