OrbiMed Advisors LLC's Form 4 filing
Sionna Therapeutics, Inc. (SION) · filed Dec 19, 2025
- Accession no.
- 0000947871-25-001088
- Filed
- Dec 19, 2025, 7:29 PM ET
- Trade date
- Dec 17-19, 2025
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 3 non-derivative transactions. Open-market sales total $83.4K. It was filed 2 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 |
|---|---|
| OrbiMed Advisors LLCCIK 0001055951 | Director |
| OrbiMed Capital GP VIII LLCCIK 0001845804 | 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 |
|---|---|---|---|---|---|---|---|---|
| Dec 17, 2025 | Common Stock | SSaleDisposed | −900 | $44.50 | −$40,050 | 3,595,986 | Indirect | Duplicate filing |
| Dec 18, 2025 | Common Stock | SSaleDisposed | −100 | $44.49 | −$4,449 | 3,595,886 | Indirect | Duplicate filing |
| Dec 19, 2025 | Common Stock | SSaleDisposed | −875 | $44.49 | −$38,928.75 | 3,595,011 | Indirect | Duplicate filing |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
No transaction price on this filing refers to a footnote.