SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000950170-24-115295
Filing Date
2024-10-17
Accepted
2024-10-17 16:05:04
Documents
1
Period of Report
2024-10-15

Document Format Files

Seq Description Document Type Size
1 4 ownership.html 4  
1 4 ownership.xml 4 15610
  Complete submission text file 0000950170-24-115295.txt   19569
Mailing Address C/O ACCESS INDUSTRIES 730 FIFTH AVENUE NEW YORK NY 10019
Business Address
Blavatnik Len (Reporting) CIK: 0001326628 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-42366 | Film No.: 241377626

Mailing Address C/O ACCESS INDUSTRIES MANAGEMENT, LLC. 730 FIFTH AVENUE, 20TH FLOOR NEW YORK NY 10019
Business Address C/O ACCESS INDUSTRIES MANAGEMENT, LLC. 730 FIFTH AVENUE, 20TH FLOOR NEW YORK NY 10019 212 247 6400
Access Industries Holdings LLC (Reporting) CIK: 0001391297 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42366 | Film No.: 241377628

Mailing Address 730 FIFTH AVENUE NEW YORK NY 10019
Business Address 730 FIFTH AVENUE NEW YORK NY 10019 2122476400
ACCESS INDUSTRIES MANAGEMENT, LLC (Reporting) CIK: 0001508226 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42366 | Film No.: 241377627

Mailing Address C/O ACCESS INDUSTRIES, INC. 40 WEST 57TH STREET, 28TH FLOOR NEW YORK NY 10019
Business Address C/O ACCESS INDUSTRIES, INC. 40 WEST 57TH STREET, 28TH FLOOR NEW YORK NY 10019 212-247-6400
AI Biotechnology LLC (Reporting) CIK: 0001942670 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42366 | Film No.: 241377629

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

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)

Mailing Address ACCESS INDUSTRIES MANAGEMENT LLC 40 WEST 57TH STREET, 28TH FLOOR NEW YORK NY 10019
Business Address ACCESS INDUSTRIES MANAGEMENT LLC 40 WEST 57TH STREET, 28TH FLOOR NEW YORK NY 10019 212-247-6400
AI Upstream LLC (Reporting) CIK: 0002039907 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42366 | Film No.: 241377630