# EDGAR Filing Document

**Accession Number:** 0001860434
**File Stem:** 0001193125-26-081268
**Filing Date:** 2026-2
**Character Count:** 6734
**Document Hash:** c7d98a26ab8a025e25e8d4d1754c7e44
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-081268.hdr.sgml**: 20260227

**ACCESSION NUMBER**: 0001193125-26-081268

**CONFORMED SUBMISSION TYPE**: 485BXT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260227

**DATE AS OF CHANGE**: 20260227

**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:** 485BXT
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-23661
- **FILM NUMBER:** 26695787

**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
**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:** 485BXT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-255884
- **FILM NUMBER:** 26695786

**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

## Series and Classes Contracts Data

### Harbor Active Commodity ETF (Series ID: S000101665)

| Class ID   | Class Name                  | Ticker Symbol   |
|:---|:---|:---|
| C000271884 | Harbor Active Commodity ETF |  |

**As filed with the Securities and Exchange Commission on February 27, 2026**

**File No. 333-255884** <br>**File No. 811-23661**

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**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

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**FORM N-1A** <br>**REGISTRATION STATEMENT**

***UNDER THE SECURITIES ACT OF 1933*** <br>

**☒** <br>

**Post-Effective Amendment No. 86** <br>

**☒** <br>

**and**

**REGISTRATION STATEMENT**

***UNDER*** <br>

***THE INVESTMENT COMPANY ACT OF 1940*** <br>

**☒** <br>

**Amendment No. 88**

**☒**

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

**HARBOR ETF TRUST**

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

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

**(Address of Principal Executive Offices)**

**(312) 443-4400**

**(Registrant's Telephone Number, including Area Code)**

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---

| | |
|:---|:---|
| **CHARLES F. MCCAIN, ESQ.**<br> **Harbor ETF Trust**<br> **111 South Wacker Drive – 34**<sup>th</sup> **Floor**<br> **Chicago, Illinois 60606**<br>| &nbsp;&nbsp;&nbsp;&nbsp; **STEPHANIE A. CAPISTRON, ESQ.**<br> **Dechert LLP** <br> **One International Place – 40**<sup>th</sup> **Floor** <br> **100 Oliver Street**<br> **Boston, Massachusetts 02110**<br>|

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**(Name and address of Agents for Service)**

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Approximate Date of Proposed Public Offering: As soon as practicable after the effective date of the registration statement

It is proposed that this filing will become effective (check appropriate box)

☐ <br>

immediately upon filing pursuant to paragraph (b)

☒ <br>

on March 29, 2026 pursuant to paragraph (b)

☐ <br>

60 days after filing pursuant to paragraph (a)(1)

☐ <br>

on pursuant to paragraph (a)(1)

☐ <br>

75 days after filing pursuant to paragraph (a)(2)

☐ <br>

on pursuant to paragraph (a)(2) of rule 485.

If appropriate, check the following box:

☒ <br>

this post-effective amendment designates a new effective date for a previously filed post-effective amendment.

Title of Securities Being Registered: Shares of the Harbor Active Commodity ETF

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**Explanatory Note**

The purpose of this filing is to delay the effectiveness of the Registrant's Post-Effective Amendment No. 83 under the Securities Act of 1933 (the "Securities Act") until March 29, 2026. [Parts A, B, and C of the Registrant's Post-Effective Amendment No. 83](https://www.sec.gov/Archives/edgar/data/1860434/000119312525317538/d63877d485apos.htm)[under the Securities Act of 1933 and Amendment No. 85 under the Investment Company Act of 1940, filed on December 12,](https://www.sec.gov/Archives/edgar/data/1860434/000119312525317538/d63877d485apos.htm)[2025](https://www.sec.gov/Archives/edgar/data/1860434/000119312525317538/d63877d485apos.htm), are incorporated by reference herein.

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**SIGNATURES**

Pursuant to the requirements of the Securities Act of 1933, as amended (the "Securities Act"), and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this Registration Statement under Rule 485(b) under the Securities Act and has duly caused this Amendment to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Chicago, the State of Illinois, on February 27, 2026.

Harbor ETF Trust

By: /s/ Charles F. McCain

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Charles F. McCain <br>President and Trustee

Pursuant to the requirements of the Securities Act, this filing has been signed below by the following persons in the capacities and on the dates indicated.

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| | | |
|:---|:---|:---|
| Signatures | Title | Date |
| /s/ Charles F. McCain<br>Charles F. McCain<br>| &nbsp;&nbsp;&nbsp;&nbsp; President and Trustee<br> (Principal Executive Officer)<br>| February 27, 2026 |
| /s/ Howard M. Reich<br>Howard M. Reich<br>| Treasurer | February 27, 2026 |
| /s/ Anne F. Ackerley\*<br>Anne F. Ackerley<br>| Trustee | February 27, 2026 |
| /s/ Scott M. Amero\*<br>Scott M. Amero<br>| Trustee | February 27, 2026 |
| /s/ Donna J. Dean\*<br>Donna J. Dean<br>| Trustee | February 27, 2026 |
| /s/ Robert Kasdin\*<br>Robert Kasdin<br>| Trustee | February 27, 2026 |
| /s/ Kathryn L. Quirk\*<br>Kathryn L. Quirk<br>| Trustee | February 27, 2026 |
| /s/ Douglas J. Skinner\*<br>Douglas J. Skinner<br>| Trustee | February 27, 2026 |
| /s/ Ann M. Spruill\*<br>Ann M. Spruill<br>| Trustee | February 27, 2026 |
| /s/ Landis Zimmerman\*<br>Landis Zimmerman<br>| Trustee | February 27, 2026 |

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By\* /s/ Charles F. McCain

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Charles F. McCain <br> As Attorney-in-Fact

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Dated: February 27, 2026

\* Pursuant to [Powers of Attorney dated July 1, 2025 – filed with Post-Effective Amendment No. 79 on July 15, 2025](https://www.sec.gov/Archives/edgar/data/0001860434/000119312525159287/d65681dex99o.htm)

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