# EDGAR Filing Document

**Accession Number:** 0001100663
**File Stem:** 0001193125-25-152941
**Filing Date:** 2025-7
**Character Count:** 6480
**Document Hash:** 05a97304120f8e7cfca7b4db2d38ed1e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-152941.hdr.sgml**: 20250701

**ACCESSION NUMBER**: 0001193125-25-152941

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250701

**DATE AS OF CHANGE**: 20250630

**EFFECTIVENESS DATE**: 20250701

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** iSHARES TRUST
- **CENTRAL INDEX KEY:** 0001100663

**ORGANIZATION NAME:**
- **EIN:** 943351276
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-92935
- **FILM NUMBER:** 251093476

**BUSINESS ADDRESS:**
- **STREET 1:** 400 HOWARD STREET
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94105
- **BUSINESS PHONE:** (415) 670-2000

**MAIL ADDRESS:**
- **STREET 1:** 400 HOWARD STREET
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94105

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ISHARES TRUST
- **DATE OF NAME CHANGE:** 19991213

## Series and Classes Contracts Data

### iShares ESG Advanced High Yield Corporate Bond ETF (Series ID: S000054184)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                         | Ticker Symbol | Class ID   |
| iShares ESG Advanced High Yield Corporate Bond ETF | HYXF          | C000170245 |

---

### iShares ESG Aware 1-5 Year USD Corporate Bond ETF (Series ID: S000058036)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                        | Ticker Symbol | Class ID   |
| iShares ESG Aware 1-5 Year USD Corporate Bond ETF | SUSB          | C000189864 |

---

### iShares ESG Aware USD Corporate Bond ETF (Series ID: S000058037)

---

|  |  |  |
|:---|:---|:---|
| Class Name                               | Ticker Symbol | Class ID   |
| iShares ESG Aware USD Corporate Bond ETF | SUSC          | C000189865 |

---

### iShares ESG Aware U.S. Aggregate Bond ETF (Series ID: S000062159)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                | Ticker Symbol | Class ID   |
| iShares ESG Aware U.S. Aggregate Bond ETF | EAGG          | C000201167 |

---

### iShares USD Green Bond ETF (Series ID: S000063466)

---

|  |  |  |
|:---|:---|:---|
| Class Name                 | Ticker Symbol | Class ID   |
| iShares USD Green Bond ETF | BGRN          | C000205645 |

---

### iShares ESG Advanced Total USD Bond Market ETF (Series ID: S000068817)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                     | Ticker Symbol | Class ID   |
| iShares ESG Advanced Total USD Bond Market ETF | EUSB          | C000219898 |

---

## Series and Classes Contracts Data

### iShares ESG Advanced High Yield Corporate Bond ETF (Series ID: S000054184)

| Class ID   | Class Name                                         | Ticker Symbol   |
|:---|:---|:---|
| C000170245 | iShares ESG Advanced High Yield Corporate Bond ETF | HYXF            |

### iShares ESG Aware 1-5 Year USD Corporate Bond ETF (Series ID: S000058036)

| Class ID   | Class Name                                        | Ticker Symbol   |
|:---|:---|:---|
| C000189864 | iShares ESG Aware 1-5 Year USD Corporate Bond ETF | SUSB            |

### iShares ESG Aware USD Corporate Bond ETF (Series ID: S000058037)

| Class ID   | Class Name                               | Ticker Symbol   |
|:---|:---|:---|
| C000189865 | iShares ESG Aware USD Corporate Bond ETF | SUSC            |

### iShares ESG Aware U.S. Aggregate Bond ETF (Series ID: S000062159)

| Class ID   | Class Name                                | Ticker Symbol   |
|:---|:---|:---|
| C000201167 | iShares ESG Aware U.S. Aggregate Bond ETF | EAGG            |

### iShares USD Green Bond ETF (Series ID: S000063466)

| Class ID   | Class Name                 | Ticker Symbol   |
|:---|:---|:---|
| C000205645 | iShares USD Green Bond ETF | BGRN            |

### iShares ESG Advanced Total USD Bond Market ETF (Series ID: S000068817)

| Class ID   | Class Name                                     | Ticker Symbol   |
|:---|:---|:---|
| C000219898 | iShares ESG Advanced Total USD Bond Market ETF | EUSB            |

## iShares<sup>®</sup>
**iShares Trust** 

**Supplement dated July 1, 2025** 

**to the currently effective Statement of Additional Information (the "SAI") for** 

**iShares USD Green Bond ETF (BGRN), iShares ESG Advanced High Yield Corporate Bond ETF (HYXF), iShares ESG Advanced Total USD Bond Market ETF (EUSB), iShares ESG Aware 1-5 Year USD Corporate Bond ETF (SUSB), iShares ESG Aware U.S. Aggregate Bond ETF (EAGG), and** 

**iShares ESG Aware USD Corporate Bond ETF (SUSC) (each, a "Fund" and collectively, the "Funds")** 

Effective July 1, 2025, Bloomberg Index Services Limited, the Funds' index provider, has updated the methodology for the underlying index ("Underlying Index") of each of the following Funds:

---

| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp;**Fund Name** | **Underlying Index Name** |
| &nbsp;&nbsp;&nbsp; iShares USD Green Bond ETF | Bloomberg MSCI USD Green Bond Select Index |
| &nbsp;&nbsp;&nbsp; iShares ESG Advanced High Yield Corporate Bond ETF | Bloomberg MSCI US High Yield Choice ESG Screened Index |
| &nbsp;&nbsp;&nbsp; iShares ESG Advanced Total USD Bond Market ETF | Bloomberg MSCI US Universal Choice ESG Screened Index |
| &nbsp;&nbsp;&nbsp; iShares ESG Aware 1-5 Year USD Corporate Bond ETF | Bloomberg MSCI US Corporate 1-5 Year ESG Focus Index |
| &nbsp;&nbsp;&nbsp; iShares ESG Aware U.S. Aggregate Bond ETF | Bloomberg MSCI US Aggregate ESG Focus Index |
| &nbsp;&nbsp;&nbsp; iShares ESG Aware USD Corporate Bond ETF | Bloomberg MSCI US Corporate ESG Focus Index |

---

**Accordingly, the following methodology enhancements will be applied to the index methodology of the respective Underlying Index as disclosed for each Fund in the "The Bloomberg Indexes" subsection of the "Construction and Maintenance of the Underlying Indexes" section of the SAI for each Fund:** 

The Underlying Index excludes the securities of issuers in the corporate and certain other sectors that lack ESG research coverage from MSCI. This exclusion applies to issuers that do not meet minimum ESG data availability thresholds across key applicable ESG inputs.

If you have any questions, please call 1-800-iShares (1-800-474-2737).

iShares<sup>®</sup> is a registered trademark of BlackRock Fund Advisors and its affiliates.

IS-A-BISLSAI-0725

**PLEASE RETAIN THIS SUPPLEMENT** 

**FOR FUTURE REFERENCE**