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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000950170-24-037472
Filing Date
2024-03-27
Accepted
2024-03-27 19:50:57
Documents
1
Period of Report
2024-03-27

Document Format Files

Seq Description Document Type Size
1 3 ownership.html 3  
1 3 ownership.xml 3 22820
  Complete submission text file 0000950170-24-037472.txt   28627
Mailing Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631
Business Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 773-380-6600
ARCH Venture Fund IX, L.P. (Reporting) CIK: 0001666306 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-41989 | Film No.: 24792791

Mailing Address 8725 W. HIGGINS ROAD, SUITE 290 CHICAGO IL 60631
Business Address 8725 W. HIGGINS ROAD, SUITE 290 CHICAGO IL 60631 773-380-6600
ARCH Venture Fund IX Overage, L.P. (Reporting) CIK: 0001666307 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-41989 | Film No.: 24792790

Mailing Address 8755 W. HIGGINS ROAD SUITE 1025 CHICAGO IL 60631
Business Address 8755 W. HIGGINS ROAD SUITE 1025 CHICAGO IL 60631 773-380-6600
ARCH Venture Partners IX Overage, L.P. (Reporting) CIK: 0001723172 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-41989 | Film No.: 24792787

Mailing Address 8755 W. HIGGINS ROAD SUITE 1025 CHICAGO IL 60631
Business Address 8755 W. HIGGINS ROAD SUITE 1025 CHICAGO IL 60631 773-380-6600
ARCH Venture Partners IX, L.P. (Reporting) CIK: 0001723173 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-41989 | Film No.: 24792788

Mailing Address 8755 W. HIGGINS ROAD SUITE 1025 CHICAGO IL 60631
Business Address 8755 W. HIGGINS ROAD SUITE 1025 CHICAGO IL 60631 773-380-6600
ARCH Venture Partners IX, LLC (Reporting) CIK: 0001723174 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-41989 | Film No.: 24792785

Mailing Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631
Business Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 773-380-6600
ARCH Venture Fund X Overage, L.P. (Reporting) CIK: 0001757017 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-41989 | Film No.: 24792789

Mailing Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631
Business Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 773-380-6600
ARCH Venture Partners X Overage, L.P. (Reporting) CIK: 0001768905 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-41989 | Film No.: 24792786

Mailing Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631
Business Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 773-380-6600
ARCH Venture Partners X, LLC (Reporting) CIK: 0001769012 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-41989 | Film No.: 24792784

Mailing Address 9880 CAMPUS POINT DRIVE SUITE 120 SAN DIEGO CA 92121
Business Address 9880 CAMPUS POINT DRIVE SUITE 120 SAN DIEGO CA 92121 (858) 766-9912
Boundless Bio, Inc. (Issuer) CIK: 0001782303 (see all company filings)

IRS No.: 830751369 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)