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OrbiMed Advisors LLC's Form 4 filing

Sionna Therapeutics, Inc. (SION) · filed Nov 26, 2025

Accession no.
0000947871-25-001045
Filed
Nov 26, 2025, 6:45 PM ET
Trade date
Nov 24-26, 2025
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 3 non-derivative transactions. Open-market sales total $4.81M. 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.

Reporting owners on this filing
OwnerRelationship to the company
OrbiMed Advisors LLCCIK 0001055951Director
OrbiMed Capital GP VIII LLCCIK 0001845804Director

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Nov 24, 2025Common StockSSaleDisposed−94,583$44.54−$4,212,726.823,610,376IndirectDuplicate filing
Nov 25, 2025Common StockSSaleDisposed−11,890$44.60−$530,2943,598,486IndirectDuplicate filing
Nov 26, 2025Common StockSSaleDisposed−1,600$44.49−$71,1843,596,886IndirectDuplicate 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.

Read the full filing on SEC EDGAR (opens in a new tab)