---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-302822"
form_type: "8-K"
ticker: "CABA"
cik: "0001759138"
company_name: "Cabaletta Bio, Inc."
filed_at: "2022-12-12T23:59:59+00:00"
generated_at: "2026-06-21T06:15:12.502652+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Cabaletta Bio prices $35M public offering of common stock and pre-funded warrants

## Summary
- Offering of 126,815 shares at $5.52/share and pre-funded warrants to purchase 6,213,776 shares at $5.51999 each.
- Gross proceeds of ~$35M; net proceeds ~$32.5M after underwriting discounts and expenses.
- Oversubscribed offering with participation from Venrock, Adage Capital, Cormorant, and others.
- Net proceeds to fund CABA-201 preclinical and IND, and ongoing DSG3-CAART and MuSK-CAART trials.
- Closing expected December 12, 2022; Cowen and Evercore acted as joint book-running managers.

## SEC filing metadata
- accession: 0001193125-22-302822
- form_type: 8-K
- ticker: CABA
- cik: 0001759138
- company_name: Cabaletta Bio, Inc.
- filed_at: 2022-12-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1759138/000119312522302822/0001193125-22-302822-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759138/000119312522302822/d397326d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-302822
- JSON: https://secwatch.observer/filing/0001193125-22-302822.json
- Plain text: https://secwatch.observer/filing/0001193125-22-302822.txt

## Key facts
- Material Agreements
  Cabaletta Bio, Inc. entered into Underwriting Agreement with Cowen and Company, LLC and Evercore Group L.L.C. (effective 2022-12-07).
  - Action: entry
  - Agreement: underwriting
  - Counterparty: Cowen and Company, LLC and Evercore Group L.L.C.
  - Effective: 2022-12-07
  source text: On December 7, 2022, Cabaletta Bio, Inc. (the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with Cowen and Company, LLC and Evercore Group L.L.C. (collectively, the “Underwriters”), relating to an underwritten offering
  evidence_url: https://www.sec.gov/Archives/edgar/data/1759138/000119312522302822/0001193125-22-302822-index.htm

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