Frazier Life Sciences Public Fund, L.P. - 30 Sep 2025 SCHEDULE 13G/A Report for JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value per share (JBIO)

Filing manager
Frazier Life Sciences Public Fund, L.P.
Reporting owner
Frazier Life Sciences Public Fund, L.P.
Security
JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value per share
Beneficially owned shares
1,384,646 shares
Ownership signal 1 signal
Class ownership
4.2%
Subject security 2 source fields
Symbol
JBIO
Shares outstanding
32,967,762 shares
SEC evidence 5 source fields
Form type
SCHEDULE 13G/A
Accepted by SEC
14 Nov 2025, 16:28:55 UTC
Event date
30 Sep 2025
Previous filing
14 Aug 2025
SEC filing
View on sec.gov

Key filing fact

Frazier Life Sciences Public Fund, L.P. disclosed 4.2% ownership in JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value per share (JBIO) on 30 Sep 2025.

Key facts

  • Frazier Life Sciences Public Fund, L.P. filed SCHEDULE 13G/A for JADE BIOSCIENCES, INC. Common Stock, $0.0001 par value per share (JBIO).
  • Disclosed ownership: 4.2%.
  • Date of event: 30 Sep 2025.

Change

  • Previous schedule filing date: 14 Aug 2025.
  • Current filing was accepted on 14 Nov 2025, 16:28.

Research use

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting persons

Reporting managers (11)

Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Frazier Life Sciences Public Fund, L.P. 4.2% 1,384,646 0 1,384,646 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP, L.L.C., GP of FHMLSP, L.P., GP of Frazier Life Sciences Public Fund, L.P.
FHMLSP, L.P. 4.2% 1,384,646 0 1,384,646 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP, L.L.C., GP of FHMLSP, L.P.
FHMLSP, L.L.C. 4.2% 1,384,646 0 1,384,646 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLSP, L.L.C.
Frazier Life Sciences X, L.P. 0% 9,488 0 9,488 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS X, L.L.C., GP of FHMLS X, L.P., GP of Frazier Life Sciences X, L.P.
FHMLS X, L.P. 0% 9,488 0 9,488 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS X, L.L.C., GP of FHMLS X, L.P.
FHMLS X, L.L.C. 0% 9,488 0 9,488 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS X, L.L.C.
Frazier Life Sciences XI, L.P. 0.1% 19,146 0 19,146 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS XI, L.L.C., GP of FHMLS XI, L.P., GP of Frazier Life Sciences XI, L.P.
FHMLS XI, L.P. 0.1% 19,146 0 19,146 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS XI, L.L.C., GP of FHMLS XI, L.P.
FHMLS XI, L.L.C. 0.1% 19,146 0 19,146 /s/ Steve R. Bailey By Steve R. Bailey, CFO of FHMLS XI, L.L.C.
James N. Topper 0% 9,488 0 9,488 /s/ Steve R. Bailey By Steve R. Bailey, Attorney-in-Fact for James N. Topper, pursuant to a Power of Attorney, a copy of which was filed with the SEC on July 31, 2017
Patrick J. Heron 0% 9,488 0 9,488 /s/ Steve R. Bailey By Steve R. Bailey, Attorney-in-Fact for Patrick J. Heron, pursuant to a Power of Attorney, a copy of which was filed with the SEC on July 31, 2017
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