Form EFFECT - Notice of Effectiveness:
SEC Accession No. 9999999995-24-003150
Accepted
2024-10-11 00:15:11
Documents
1
Effectiveness Date
2024-10-10
Registration Form
S-1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html EFFECT  
1 primary_doc.xml EFFECT 588
  Complete submission text file 9999999995-24-003150.txt   1721
Mailing Address 890 WINTER STREET, SUITE 200 WALTHAM MA 02451
Business Address 890 WINTER STREET, SUITE 200 WALTHAM MA 02451 781-208-2466
Upstream Bio, Inc. (Filer) CIK: 0002022626 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: EFFECT | Act: 33 | File No.: 333-282197 | Film No.: 241366236
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)