Form 144 - Report of proposed sale of securities:
SEC Accession No. 0001950047-25-008035
Filing Date
2025-10-16
Accepted
2025-10-16 16:34:55
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 144  
1 primary_doc.xml 144 7688
  Complete submission text file 0001950047-25-008035.txt   9109
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: 144

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.: 251398043
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)