Home/Filings/4/0000947871-25-001087
4//SEC Filing

Thompson Peter A. 4

Accession 0000947871-25-001087

CIK 0002036042other

Filed

Dec 18, 7:00 PM ET

Accepted

Dec 19, 7:24 PM ET

Size

9.6 KB

Accession

0000947871-25-001087

Insider Transaction Report

Form 4
Period: 2025-12-17
Transactions
  • Sale

    Common Stock

    2025-12-17$44.50/sh900$40,0503,595,986 total(indirect: See footnotes)
  • Sale

    Common Stock

    2025-12-18$44.49/sh100$4,4493,595,886 total(indirect: See footnotes)
  • Sale

    Common Stock

    2025-12-19$44.49/sh875$38,9293,595,011 total(indirect: See footnotes)
Footnotes (2)
  • [F1]These securities are held of record by OrbiMed Private Investments VIII, LP ("OPI VIII"). OrbiMed Capital GP VIII LLC ("GP VIII") is the general partner of OPI VIII and OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VIII. By virtue of such relationships, GP VIII and OrbiMed Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VIII and as a result may be deemed to have beneficial ownership of such shares. OrbiMed Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho, and W. Carter Neild, each of whom disclaims beneficial ownership of the shares held by OPI VIII. The Reporting Person is a member of OrbiMed Advisors.
  • [F2]Each of the Reporting Person, OrbiMed Advisors, and GP VIII disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purposes of Section 16 of the Exchange Act, or for any other purpose.

Documents

1 file

Issuer

Sionna Therapeutics, Inc.

CIK 0002036042

Entity typeother

Related Parties

1
  • filerCIK 0001357522

Filing Metadata

Form type
4
Filed
Dec 18, 7:00 PM ET
Accepted
Dec 19, 7:24 PM ET
Size
9.6 KB