# EDGAR Filing Document

**Accession Number:** 0001860434
**File Stem:** 0001193125-25-326006
**Filing Date:** 2025-12
**Character Count:** 5514
**Document Hash:** 03b65748d96fd836fa575657f00ddc9d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-326006.hdr.sgml**: 20251219

**ACCESSION NUMBER**: 0001193125-25-326006

**CONFORMED SUBMISSION TYPE**: 8-A12B

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251219

**DATE AS OF CHANGE**: 20251219

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Harbor ETF Trust
- **CENTRAL INDEX KEY:** 0001860434

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

**FILING VALUES:**
- **FORM TYPE:** 8-A12B
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40807
- **FILM NUMBER:** 251585736

**BUSINESS ADDRESS:**
- **STREET 1:** 111 SOUTH WACKER DRIVE
- **STREET 2:** 34TH FLOOR
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
- **BUSINESS PHONE:** 312-443-4400

**MAIL ADDRESS:**
- **STREET 1:** 111 SOUTH WACKER DRIVE
- **STREET 2:** 34TH FLOOR
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

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**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

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**FORM 8-A**

**FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES**

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

**THE SECURITIES EXCHANGE ACT OF 1934**

**HARBOR ETF TRUST**

**(Exact name of Registrant as Specified in Charter)**

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| | |
|:---|:---|
| **State of Delaware** | **See Below** |
| **(State of incorporation or organization)** | **(I.R.S. Employer Identification No.)** |

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**111 South Wacker Drive, 34**<sup>th</sup> **Floor, Chicago, Illinois 60606**

**(Address of Principal Executive Offices) (Zip Code)**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <br>**Securities to be registered pursuant to Section 12(b) of the Act:** 

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| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br> **Title of Each Class to be so Registered**<br>| &nbsp;&nbsp;&nbsp;&nbsp; **Name of each Exchange on which**<br> **Each Class is to be so Registered**<br>| &nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br> **I.R.S. Employer Identification Number**<br>|
| **Harbor Active Small Cap Growth ETF** | **NYSE Arca, Inc.** | **39-4698205** |

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

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. ☐

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <br>**Securities Act registration statement file number to which this form relates:** 

**333-255884**

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

**None**

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**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 per share, of Harbor Active Small Cap Growth ETF, a series of Harbor ETF Trust (the "Trust"), to be registered hereunder is set forth in [Post-Effective Amendment No. 84 (Accession](https://www.sec.gov/Archives/edgar/data/1860434/000119312525322475/0001193125-25-322475-index.htm)[No. 0001193125-25-322475)](https://www.sec.gov/Archives/edgar/data/1860434/000119312525322475/0001193125-25-322475-index.htm) filed on December 17, 2025, which description is incorporated herein by reference as filed with the Securities and Exchange Commission. Any form of amendment or supplement to the registration statement that is subsequently filed is hereby also incorporated by reference herein.

**Item 2. Exhibits** 

&nbsp;&nbsp;&nbsp;&nbsp;1. [Amended and Restated Agreement and Declaration of Trust dated January 26, 2022 - filed with](https://www.sec.gov/Archives/edgar/data/1860434/000119312522048639/d320924dex99a1.htm) [Post-Effective Amendment](https://www.sec.gov/Archives/edgar/data/0001860434/000119312522048639/d320924dex99a1.htm) [No. 10 on February 22, 2022](https://www.sec.gov/Archives/edgar/data/0001860434/000119312522048639/d320924dex99a1.htm)

&nbsp;&nbsp;&nbsp;&nbsp;2. [Schedule A to Amended and Restated Agreement and Declaration of Trust dated November 21, 2025 – filed with](https://www.sec.gov/Archives/edgar/data/1860434/000119312525317538/d63877dex99a3.htm) [Post-Effective Amendment No. 83 on December 12, 2025](https://www.sec.gov/Archives/edgar/data/1860434/000119312525317538/d63877dex99a3.htm)

&nbsp;&nbsp;&nbsp;&nbsp;3. [By-Laws dated January 10, 2024 - filed with Post-Effective Amendment No. 45 on February 29, 2024](https://www.sec.gov/Archives/edgar/data/1860434/000119312524052649/d719478dex99b.htm)

&nbsp;&nbsp;&nbsp;&nbsp;4. [Certificate of Trust of Registrant dated April 13, 2021 - filed with Pre-Effective Amendment No. 2 on September 10, 2021](https://www.sec.gov/Archives/edgar/data/1860434/000119312521270182/d226931dex99a2.htm)

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**SIGNATURE**

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized, as of December 19, 2025.

Harbor ETF Trust

By: /s/ Charles F. McCain

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Charles F. McCain <br>President and Trustee

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