# Filing Detail

Form DRS - Draft Registration Statement:
SEC Accession No. 0000950123-24-006208
Filing Date
2024-06-12
Accepted
2024-06-12 15:54:57
Documents
29

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 |  | filename1.htm | DRS | 2147264
2 |  | filename2.htm | EX-3.1 | 120479
3 |  | filename3.htm | EX-3.3 | 54018
4 |  | filename4.htm | EX-10.1 | 415401
5 |  | filename5.htm | EX-10.13 | 124673
6 |  | filename6.htm | EX-10.15 | 91861
7 |  | filename7.htm | EX-10.16 | 436960
8 |  | filename8.htm | EX-21.1 | 1679
9 | GRAPHIC | g843142g00u68.jpg | GRAPHIC | 81458
10 | GRAPHIC | g843142g03n03.jpg | GRAPHIC | 41122
11 | GRAPHIC | g843142g04f18.jpg | GRAPHIC | 53257
12 | GRAPHIC | g843142g09d27.jpg | GRAPHIC | 639509
13 | GRAPHIC | g843142g17j14.jpg | GRAPHIC | 47805
14 | GRAPHIC | g843142g21m48.jpg | GRAPHIC | 60975
15 | GRAPHIC | g843142g22q66.jpg | GRAPHIC | 24978
16 | GRAPHIC | g843142g25s47.jpg | GRAPHIC | 59550
17 | GRAPHIC | g843142g28n28.jpg | GRAPHIC | 609323
18 | GRAPHIC | g843142g31l12.jpg | GRAPHIC | 607391
19 | GRAPHIC | g843142g33n33.jpg | GRAPHIC | 41350
20 | GRAPHIC | g843142g35n35.jpg | GRAPHIC | 32518
21 | GRAPHIC | g843142g42a01.jpg | GRAPHIC | 42355
22 | GRAPHIC | g843142g42b02.jpg | GRAPHIC | 37000
23 | GRAPHIC | g843142g45n45.jpg | GRAPHIC | 609386
24 | GRAPHIC | g843142g47a01.jpg | GRAPHIC | 606972
25 | GRAPHIC | g843142g47b02.jpg | GRAPHIC | 54962
26 | GRAPHIC | g843142g49n49.jpg | GRAPHIC | 39129
27 | GRAPHIC | g843142g70c41.jpg | GRAPHIC | 158068
28 | GRAPHIC | g843142g76t53.jpg | GRAPHIC | 55029
29 | GRAPHIC | g843142g79l54.jpg | GRAPHIC | 47646
| Complete submission text file | 0000950123-24-006208.txt |  | 8812185

Mailing Address 460 TOTTEN POND ROAD, SUITE 420 WALTHAM MA 02451
Business Address 460 TOTTEN POND ROAD, SUITE 420 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: DRS | Act: 33 | File No.: 377-07271 | Film No.: 241038317
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)