# EDGAR Filing Document

**Accession Number:** 0001860434
**File Stem:** 0001193125-26-158171
**Filing Date:** 2026-4
**Character Count:** 2750
**Document Hash:** 8d9c489bebc29a3af0f033b4c1857733
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-158171.hdr.sgml**: 20260416

**ACCESSION NUMBER**: 0001193125-26-158171

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260416

**DATE AS OF CHANGE**: 20260416

**EFFECTIVENESS DATE**: 20260416

**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:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-255884
- **FILM NUMBER:** 26866019

**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 Small Cap Growth ETF (Series ID: S000098463)

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|  |  |  |
|:---|:---|:---|
| Class Name                         | Ticker Symbol | Class ID   |
| Harbor Active Small Cap Growth ETF | SGRW          | C000268141 |

---

## Series and Classes Contracts Data

### Harbor Active Small Cap Growth ETF (Series ID: S000098463)

| Class ID   | Class Name                         | Ticker Symbol   |
|:---|:---|:---|
| C000268141 | Harbor Active Small Cap Growth ETF | SGRW            |

![](g522121img95dbde7e1.jpg)

**Harbor Active Small Cap Growth ETF** <br>

**Supplement dated April 16, 2026 to the Prospectus, dated March 1, 2026**

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***Effective immediately, the "Fund Summary - Portfolio Managers" section of the Fund's Prospectus is revised as follows:***

The portfolio managers are jointly and primarily responsible for the day-to-day investment decision making for the Fund.

**Andrew L. Beja, CFA.** Mr. Beja is Senior Vice President and Managing Director at Granahan and has served as a portfolio manager for the Fund since 2026.

**Jeffrey A. Harrison, CFA.** Mr. Harrison is Senior Vice President and Managing Director at Granahan and has served as a portfolio manager for the Fund since 2026.

**David M. Rose, CFA.** Mr. Rose is Senior Vice President, Chief Investment Officer and Managing Director at Granahan and has served as a portfolio manager for the Fund since 2026.

**Richard Watson, CFA.** Mr. Watson is Senior Vice President at Granahan and has served as a portfolio manager for the Fund since 2026.

**Kelvin Jiang, CFA.** Mr. Jiang is Vice President at Granahan and has served as a portfolio manager for the Fund since 2026.

*Investors Should Retain This Supplement For Future Reference*

S0426.P.ETF

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