# EDGAR Filing Document

**Accession Number:** 0001579881
**File Stem:** 0001417835-25-000224
**Filing Date:** 2025-10
**Character Count:** 956
**Document Hash:** a52e083922ea9a5f139385279ebd9719
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001417835-25-000224.hdr.sgml**: 20251014

**ACCESSION NUMBER**: 0001417835-25-000224

**CONFORMED SUBMISSION TYPE**: CERT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251014

**DATE AS OF CHANGE**: 20251014

**EFFECTIVENESS DATE**: 20251014

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Calamos ETF Trust
- **CENTRAL INDEX KEY:** 0001579881

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE

**FILING VALUES:**
- **FORM TYPE:** CERT
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36527
- **FILM NUMBER:** 251389196

**BUSINESS ADDRESS:**
- **STREET 1:** 2020 CALAMOS COURT
- **CITY:** NAPERVILLE
- **STATE:** IL
- **ZIP:** 60563
- **BUSINESS PHONE:** 630-245-8394

**MAIL ADDRESS:**
- **STREET 1:** 2020 CALAMOS COURT
- **CITY:** NAPERVILLE
- **STATE:** IL
- **ZIP:** 60563

### Attached PDF Documents

**Attachment 1:** `8A_Cert_CBOL.pdf`

_No text found in this document._