---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-254610"
form_type: "8-K"
ticker: "CABA"
cik: "0001759138"
company_name: "Cabaletta Bio, Inc."
filed_at: "2025-10-29T23:59:59+00:00"
generated_at: "2026-05-17T01:41:49.925480+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.05
calibrated_materiality_score: 0.05
confidence: "low"
source: SEC EDGAR
---

# Cabaletta Bio posts corporate presentation; no material updates evident from filing excerpt

## Summary
- Updated corporate presentation posted to investors section of website on Oct 29, 2025.
- Exhibit 99.1 text is truncated; specific clinical or financial updates not available.
- No earnings, guidance, or operational changes indicated in the filing text provided.

## SEC filing metadata
- accession: 0001193125-25-254610
- form_type: 8-K
- ticker: CABA
- cik: 0001759138
- company_name: Cabaletta Bio, Inc.
- filed_at: 2025-10-29T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.05
- calibrated_materiality_score: 0.05
- confidence: low
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1759138/000119312525254610/0001193125-25-254610-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759138/000119312525254610/caba-20251029.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-254610
- JSON: https://secwatch.observer/filing/0001193125-25-254610.json
- Plain text: https://secwatch.observer/filing/0001193125-25-254610.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.