# EDGAR Filing Document

**Accession Number:** 0000879947
**File Stem:** 0001193125-25-255400
**Filing Date:** 2025-10
**Character Count:** 4781
**Document Hash:** f54ffd28cf0e83ddb02c3cbeb5a9636c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-255400.hdr.sgml**: 20251029

**ACCESSION NUMBER**: 0001193125-25-255400

**CONFORMED SUBMISSION TYPE**: 8-A12B

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251029

**DATE AS OF CHANGE**: 20251029

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMG ETF Trust
- **CENTRAL INDEX KEY:** 0000879947

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 8-A12B
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42923
- **FILM NUMBER:** 251427817

**BUSINESS ADDRESS:**
- **STREET 1:** 680 WASHINGTON BOULEVARD, SUITE 500
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06901
- **BUSINESS PHONE:** 2032993500

**MAIL ADDRESS:**
- **STREET 1:** 680 WASHINGTON BOULEVARD, SUITE 500
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06901

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AMG Funds II
- **DATE OF NAME CHANGE:** 20140422

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MANAGERS TRUST II
- **DATE OF NAME CHANGE:** 20000801

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SMITH BREEDEN SERIES FUND
- **DATE OF NAME CHANGE:** 19920929

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**FORM 8-A** 

**FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES** 

**PURSUANT TO SECTION 12(b) OR (g) OF** 

**THE SECURITIES EXCHANGE ACT OF 1934** 

## AMG ETF TRUST
**(Exact name of registrant as specified in its charter)** 

---

| | |
|:---|:---|
| **Massachusetts** | **See below** |
| **(State of incorporation or organization)** | **(I.R.S. Employer Identification No.)** |
| **680 Washington Boulevard, Suite 500**<br> **Stamford, Connecticut** | **06901** |
| **(Address of Principal Executive Offices)** | **(Zip Code)** |

---

**Securities to be registered pursuant to Section 12(b) of the Act:** 

---

| | | |
|:---|:---|:---|
| **Title of Each Class<br>to be so Registered** | **Name of the Exchange on which<br>Each Class is to be so Registered** | **I.R.S. Employer<br>Identification Number** |
| **Shares of beneficial interest, no par value per share, of each of:** |  |  |
| **AMG GW&K Muni Income ETF** | **NYSE Arca, Inc.** | **39-3007210** |

---

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), check the following box. ☒

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), check the following box. ☐

If this form relates to the registration of a class of securities concurrently with a Regulation A offering, check the following box. ☐

**Securities Act registration statement file number to which this form relates:** 

**033-43089** 

**Securities to be registered pursuant to Section 12(g) of the Exchange Act:** 

**None.** 

------

**INFORMATION REQUIRED IN REGISTRATION STATEMENT** 

**Item 1. Description of Registrant's Securities to be Registered.** 

A description of the shares of beneficial interest, no par value, of AMG GW&K Muni Income ETF, a series of AMG ETF Trust (the "Registrant"), is incorporated by reference to Post-Effective Amendment No. 88 to the Registrant's registration statement on Form N-1A (the "Registration Statement"), filed with the Securities and Exchange Commission on September 15, 2025 (File Nos. 033-43089; 811-06431). Any form of supplement to the Registration Statement that is subsequently filed is hereby also incorporated by reference herein.

**Item 2. Exhibits.** 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1. [Second Amended and Restated Declaration of Trust dated June 11, 2025 is incorporated by reference to the Registration Statement filed on September 15, 2025.](http://www.sec.gov/Archives/edgar/data/879947/000119312525203228/d62325dex99a.htm)

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. [By-Laws of the Trust dated June 11, 2025 is incorporated by reference to Post-Effective Amendment No. 86 to the Registrant's registration statement filed June 24, 2025.](http://www.sec.gov/Archives/edgar/data/879947/000119312525145354/d45359dex99b.htm)

**SIGNATURE** 

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Registrant has duly caused this registration statement on Form 8-A to be signed on its behalf by the undersigned, thereto duly authorized, as of October 29, 2025.

---

| | |
|:---|:---|
| AMG ETF Trust | AMG ETF Trust |
| By: | /s/ Keitha L. Kinne |
| Name: | Keitha L. Kinne |
| Title: | President, Chief Executive Officer, Principal Executive Officer, and Chief Operating Officer |

---