Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001482981-25-000144
Filing Date
2025-08-21
Accepted
2025-08-21 16:05:09
Documents
1
Period of Report
2025-08-20

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgardoc.html 4  
1 PRIMARY DOCUMENT edgardoc.xml 4 7456
  Complete submission text file 0001482981-25-000144.txt   8890
Mailing Address C/O SAGE THERAPEUTICS, INC. 215 FIRST STREET CAMBRIDGE MA 02142
Business Address
Cloonan Michael (Reporting) CIK: 0001704336 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-42504 | Film No.: 251240734

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. (Issuer) CIK: 0002036042 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)