Schedule 13G ownership disclosure

Cabaletta Bio Inc

Common Stock, $0.00001 par value per share · CUSIP: 12674W109

Event date: 2025-06-30

Filing-level shares
9,677,125
Percent of class
9.99%
  • Bain Capital Life Sciences Opportunities III, LP

    Shares: 9,677,125 · Class: 9.99%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0000950170-25-108821
Form type
SCHEDULE 13G/A
Filer
Bain Capital Life Sciences Opportunities III, LP
CIK
CIK 1950105
Filed
Aug 14, 2025
Reporting period
Jun 30, 2025
Description
Schedule 13G beneficial ownership

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