Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000315066-24-002584
Filing Date
2024-11-07
Accepted
2024-11-07 09:24:55
Documents
1

Document Format Files

Seq Description Document Type Size
1 filing.txt SC 13G 6479
  Complete submission text file 0000315066-24-002584.txt   8116
Mailing Address 245 SUMMER STREET BOSTON MA 02210
Business Address 245 SUMMER STREET BOSTON MA 02210 6175706339
FMR LLC (Filed by) CIK: 0000315066 (see all company filings)

EIN.: 043532603 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000

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. (Subject) CIK: 0002022626 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-94651 | Film No.: 241433517
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)