---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-26-004224"
form_type: "8-K"
ticker: "CMPX"
cik: "0001738021"
company_name: "Compass Therapeutics, Inc."
filed_at: "2026-06-22T21:45:16+00:00"
generated_at: "2026-06-23T10:05:18.196593+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Compass Therapeutics adopts new bylaws establishing exclusive federal forum for Securities Act claims

## Summary
- Board approved Second Amended and Restated Bylaws effective June 22, 2026.
- New bylaws require Securities Act of 1933 claims to be brought in U.S. District Courts for Delaware or Massachusetts.
- Previous bylaws from July 17, 2020 restated in entirety.
- Change is procedural; no impact on operations or financials.

## SEC filing metadata
- accession: 0001171843-26-004224
- form_type: 8-K
- ticker: CMPX
- cik: 0001738021
- company_name: Compass Therapeutics, Inc.
- filed_at: 2026-06-22T21:45:16+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1738021/000117184326004224/0001171843-26-004224-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1738021/000117184326004224/f8k_062226.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-26-004224
- JSON: https://secwatch.observer/filing/0001171843-26-004224.json
- Plain text: https://secwatch.observer/filing/0001171843-26-004224.txt

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