Filing Manager
TPG GP A, LLC
Reporting Manager
TPG GP A, LLC
Symbol
RLYB
Shares outstanding
5,257,653 shares
Disclosed Ownership
378,551 shares
Ownership
7.2%
Form type
SCHEDULE 13D/A
Filing time
03 Mar 2026, 16:34:32 UTC
Date of event
01 Mar 2026

Quoteable Key Fact

"TPG GP A, LLC disclosed 7.2% ownership in Rallybio Corp Common Stock, par value $0.0001 per share (RLYB) on 01 Mar 2026."

Quick Takeaways

  • TPG GP A, LLC filed SCHEDULE 13D/A for Rallybio Corp Common Stock, par value $0.0001 per share (RLYB).
  • Disclosed ownership: 7.2%.
  • Date of event: 01 Mar 2026.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 03 Mar 2026, 16:34.

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 (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
TPG GP A, LLC 7.2% 378,551 0 378,551 /s/ Martin Davidson Martin Davidson / Chief Accounting Officer 0001903793
James G. Coulter 7.2% 378,551 0 378,551 /s/ Gerald Neugebauer Gerald Neugebauer, on behalf of James G. Coulter (1) 0001099776
Jon Winkelried 7.2% 378,551 0 378,551 /s/ Gerald Neugebauer Gerald Neugebauer, on behalf of Jon Winkelried (2) 0001366946
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .