---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-207806"
form_type: "8-K"
ticker: "CMPX"
cik: "0001738021"
company_name: "Compass Therapeutics, Inc."
filed_at: "2022-08-01T23:59:59+00:00"
generated_at: "2026-06-24T06:34:16.087314+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Compass Therapeutics enters ATM with Jefferies for up to $75M; terminates B. Riley facility

## Summary
- Enters Open Market Sale Agreement with Jefferies to sell up to $75M of common stock via ATM offering.
- Prior ATM agreement with B. Riley Securities terminated effective July 29, 2022.
- Jefferies receives up to 3% commission and up to $75K expense reimbursement; Compass not obligated to sell.
- Sales will be made under effective S-3 registration statement (333-257821) and prospectus supplement.

## SEC filing metadata
- accession: 0001193125-22-207806
- form_type: 8-K
- ticker: CMPX
- cik: 0001738021
- company_name: Compass Therapeutics, Inc.
- filed_at: 2022-08-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 1.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1738021/000119312522207806/0001193125-22-207806-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1738021/000119312522207806/d379291d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-207806
- JSON: https://secwatch.observer/filing/0001193125-22-207806.json
- Plain text: https://secwatch.observer/filing/0001193125-22-207806.txt

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