Form 144 - Report of proposed sale of securities:
SEC Accession No. 0001950047-25-006743
Filing Date
2025-09-04
Accepted
2025-09-04 16:24:28
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 144  
1 primary_doc.xml 144 3330
  Complete submission text file 0001950047-25-006743.txt   4763
Mailing Address 21 HICKORY DRIVE, SUITE 500 WALTHAM MA 02451
Business Address 21 HICKORY DRIVE, SUITE 500 WALTHAM MA 02451 617-819-2020
Sionna Therapeutics, Inc. (Subject) CIK: 0002036042 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 144 | Act: 33 | File No.: 001-42504 | Film No.: 251293708
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)

Mailing Address SIONNA THERAPEUTICS, INC. 21 HICKORY DRIVE, SUITE 500 WALTHAM MA 02451
Business Address
Fitzpatrick Jennifer (Reporting) CIK: 0002061851 (see all company filings)

Type: 144