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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001415889-24-025627
Filing Date
2024-10-24
Accepted
2024-10-24 21:30:46
Documents
1
Period of Report
2024-10-24

Document Format Files

Seq Description Document Type Size
1 form3-10252024_011043.html 3  
1 form3-10252024_011043.xml 3 12187
  Complete submission text file 0001415889-24-025627.txt   15942
Mailing Address 200 BERKELEY STREET 18TH FLOOR BOSTON MA 02116
Business Address 200 BERKELEY STREET 18TH FLOOR BOSTON MA 02116 6177782500
RA Capital Healthcare Fund LP (Reporting) CIK: 0001315082 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-42382 | Film No.: 241393892

Mailing Address 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116
Business Address 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 617-778-2500
RA CAPITAL MANAGEMENT, L.P. (Reporting) CIK: 0001346824 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-42382 | Film No.: 241393893

Mailing Address 200 BERKELEY STREET 18TH FLOOR BOSTON MA 02116
Business Address
Kolchinsky Peter (Reporting) CIK: 0001384859 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-42382 | Film No.: 241393890

Mailing Address 200 BERKELEY STREET 18TH FLOOR BOSTON MA 02116
Business Address
Shah Rajeev M. (Reporting) CIK: 0001619841 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-42382 | Film No.: 241393889

Mailing Address 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116
Business Address 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 617-778-2500
RA Capital Nexus Fund III, L.P. (Reporting) CIK: 0001883840 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-42382 | Film No.: 241393891

Mailing Address 250 EAST GRAND AVENUE, SUITE 65 SOUTH SAN FRANCISCO CA 94080
Business Address 250 EAST GRAND AVENUE, SUITE 65 SOUTH SAN FRANCISCO CA 94080 650-338-3533
Septerna, Inc. (Issuer) CIK: 0001984086 (see all company filings)

IRS No.: 843891440 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)