Cabaletta Bio closed at $1.42 on Nov 4, unchanged, 65.8% below its 52-week closing high. Volume of 3.2M shares was 0.65× its 20-day average (below normal).
Split-adjusted performance: -29.7% over one month, -61.9% over six months, -52.8% over one year.
Short interest was 39.3M shares at the Oct 15 settlement, up 1.7% from the prior report (27.4% of float, 7.2 days to cover).
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Quick answers
What does Cabaletta Bio do?
Cabaletta Bio Inc is a late clinical-stage biotechnology company focused on the discovery and development of engineered T cell therapies for autoimmune diseases. Its proprietary Cabaletta Approach to B cell Ablation (CABA) platform includes the CARTA approach, which uses chimeric antigen receptor T cells to eliminate B cells and potentially reset the immune system.
What is CABA's market cap?
$240.75M, based on the Nov 4 close of $1.42.
Does Cabaletta Bio pay a dividend?
No regular cash dividend has been paid in the last year.
How much of CABA is sold short?
39.3M shares, 27.4% of float, as of Oct 15, 2026.
What sector is CABA in?
Healthcare, in the Biotechnology industry.
About Cabaletta Bio
Cabaletta Bio Inc is a late clinical-stage biotechnology company focused on the discovery and development of engineered T cell therapies for autoimmune diseases. Its proprietary Cabaletta Approach to B cell Ablation (CABA) platform includes the CARTA approach, which uses chimeric antigen receptor T cells to eliminate B cells and potentially reset the immune system. The company develops cellular therapies including CAR T and CAAR T product candidates. Its candidate, rese-cel (resecabtagene autoleucel), a CD19-CAR T cell therapy, is being evaluated in Phase 1/2 trials for autoimmune diseases such as systemic lupus erythematosus, myositis, systemic sclerosis, generalized myasthenia gravis, and pemphigus vulgaris.
HQ: Philadelphia, PA158 employeesListed Oct 25, 2019cabalettabio.com
Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology