Home/Filings/4/0000950170-25-017031
4//SEC Filing

Thompson Peter A. 4

Accession 0000950170-25-017031

CIK 0002036042other

Filed

Feb 9, 7:00 PM ET

Accepted

Feb 10, 4:05 PM ET

Size

12.7 KB

Accession

0000950170-25-017031

Insider Transaction Report

Form 4
Period: 2025-02-10
Transactions
  • Conversion

    Series C convertible preferred stock

    2025-02-102,048,7600 total(indirect: By OrbiMed Private Investments VIII, LP)
    Common Stock (1,402,204 underlying)
  • Conversion

    Series B convertible preferred stock

    2025-02-102,560,9510 total(indirect: By OrbiMed Private Investments VIII, LP)
    Common Stock (1,752,755 underlying)
  • Conversion

    Common Stock

    2025-02-10+3,154,9593,154,959 total(indirect: By OrbiMed Private Investments VIII, LP)
  • Purchase

    Common Stock

    2025-02-10$18.00/sh+550,000$9,900,0003,704,959 total(indirect: By OrbiMed Private Investments VIII, LP)
Footnotes (4)
  • [F1]Each share of Series B convertible preferred stock and Series C convertible preferred stock (collectively, the "Preferred Stock") automatically converted into shares of the Issuer's Common Stock on a one-for-1.4611 basis upon the closing of the Issuer's initial public offering on February 10, 2025. The Preferred Stock had no expiration date.
  • [F2]The 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.
  • [F3]Each of OrbiMed Advisors, GP VIII and the Reporting Person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his 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 purpose of Section 16 of the Exchange Act, or for any other purpose.
  • [F4]Reflects shares purchased in the Issuer's initial public offering.

Documents

1 file

Issuer

Sionna Therapeutics, Inc.

CIK 0002036042

Entity typeother

Related Parties

1
  • filerCIK 0001357522

Filing Metadata

Form type
4
Filed
Feb 9, 7:00 PM ET
Accepted
Feb 10, 4:05 PM ET
Size
12.7 KB