---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-150530"
form_type: "8-K"
ticker: "CABA"
cik: "0001759138"
company_name: "Cabaletta Bio, Inc."
filed_at: "2023-05-22T23:59:59+00:00"
generated_at: "2026-06-14T18:23:47.050738+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Cabaletta Bio closes $100M public offering of 8.34M shares at $12.00/share

## Summary
- Gross proceeds of approximately $100 million from sale of 8,337,500 shares, including full exercise of underwriters' option for 1,087,500 additional shares.
- Price of shares was $12.00 per share, before underwriting discounts and commissions.
- Joint book-running managers: TD Cowen, Evercore ISI, Guggenheim Securities; lead manager H.C. Wainwright & Co.
- Company expects net proceeds plus existing cash to fund operations into Q4 2025.

## SEC filing metadata
- accession: 0001193125-23-150530
- form_type: 8-K
- ticker: CABA
- cik: 0001759138
- company_name: Cabaletta Bio, Inc.
- filed_at: 2023-05-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1759138/000119312523150530/0001193125-23-150530-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759138/000119312523150530/d470858d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-150530
- JSON: https://secwatch.observer/filing/0001193125-23-150530.json
- Plain text: https://secwatch.observer/filing/0001193125-23-150530.txt

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