---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-060911"
form_type: "8-K"
ticker: "CSQ"
cik: "0001275214"
company_name: "CALAMOS STRATEGIC TOTAL RETURN FUND"
filed_at: "2024-05-14T23:59:59+00:00"
generated_at: "2026-06-02T00:21:39.913607+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "high"
source: SEC EDGAR
---

# Calamos Strategic Total Return Fund amends by-laws to adopt exclusive forum provision

## Summary
- Board of Trustees amended By-Laws effective May 14, 2024.
- Amendment adds exclusive forum provision for shareholder disputes.
- Full text of Amendment filed as Exhibit 3.2 and incorporated by reference.

## SEC filing metadata
- accession: 0001104659-24-060911
- form_type: 8-K
- ticker: CSQ
- cik: 0001275214
- company_name: CALAMOS STRATEGIC TOTAL RETURN FUND
- filed_at: 2024-05-14T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1275214/000110465924060911/0001104659-24-060911-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1275214/000110465924060911/tm2413798d4_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-060911
- JSON: https://secwatch.observer/filing/0001104659-24-060911.json
- Plain text: https://secwatch.observer/filing/0001104659-24-060911.txt

## Key facts
- Governance Changes
  CALAMOS STRATEGIC TOTAL RETURN FUND: Amended by-laws to update provisions governing forum for adjudication of disputes (effective 2024-05-14).
  - Change: bylaw amendment
  - Effective: 2024-05-14
  source text: Effective May 14, 2024, the Board of Trustees of Calamos Strategic Total Return Fund (the "Trust") amended the Trust’s By-Laws, as amended and restated through August 23, 2021 (the “By-Laws”). The aforementioned amendment (the “Amendment”) relates to provisions governing the forum for adjudication of disputes.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1275214/000110465924060911/0001104659-24-060911-index.htm

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