Company: SION
Filing Date: 2025-02-06
Form Type: 3
Source: 0001415889-25-003304
Chunk: 1

Company: Sionna Therapeutics, Inc.
Filing Date: 2025-02-06
Form: 3
Chunk 1
---
 | N/A | [F5] - [F5] | Common Stock - 1,475,237 | N/A | N/A | I |
| Series C Preferred Stock                   | [F5]                                                     | N/A                                                                         | N/A                                                    | N/A                                                      | N/A                                                   | N/A | N/A | [F5] - [F5] | Common Stock - 2,987,388 | N/A | N/A | I |
| Series C Preferred Stock                   | [F5]                                                     | N/A                                                                         | N/A                                                    | N/A                                                      | N/A                                                   | N/A | N/A | [F5] - [F5] | Common Stock - 746,847   | N/A | N/A | I |

Remarks:

Joshua Resnick, a Partner of the Adviser, serves on the Issuer's board of directors.

| ** Signature of Reporting Person                                 
 /s/ /s/ Peter Kolchinsky, Manager of RA Capital Management, L.P. | Date       
 02/06/2025 |

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. 
 Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.