Reporting Manager
RA Capital Management, L.P.
Shares outstanding
22,333,333 shares
Disclosed Ownership
1,675,000 shares
Ownership
7.5%
Form type
SCHEDULE 13G
Filing time
19 Sep 2025, 16:47:50 UTC
Date of event
12 Sep 2025
Next filing
17 Feb 2026

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Quoteable Key Fact

"RA CAPITAL MANAGEMENT, L.P. disclosed 7.5% ownership in LB PHARMACEUTICALS INC Common Stock, $0.0001 par value per share on 12 Sep 2025."

Quick Takeaways

  • RA CAPITAL MANAGEMENT, L.P. filed SCHEDULE 13G for LB PHARMACEUTICALS INC Common Stock, $0.0001 par value per share.
  • Disclosed ownership: 7.5%.
  • Date of event: 12 Sep 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 19 Sep 2025, 16:47.

Why This Matters

  • 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.

Source Evidence

Backed by Schedule 13D/13G

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

See Original Filing

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
RA Capital Management, L.P. 7.5% 1,675,000 0 1,675,000 /s/ Peter Kolchinsky By Peter Kolchinsky, Authorized Signatory
Peter Kolchinsky 7.5% 1,675,000 0 1,675,000 /s/ Peter Kolchinsky Peter Kolchinsky
Rajeev Shah 7.5% 1,675,000 0 1,675,000 /s/ Rajeev Shah Rajeev Shah
RA Capital Healthcare Fund, L.P. 7.5% 1,675,000 0 1,675,000 /s/ Peter Kolchinsky By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager