# EDGAR Filing Document

**Accession Number:** 0001100663
**File Stem:** 0001193125-25-245584
**Filing Date:** 2025-10
**Character Count:** 2964
**Document Hash:** 59bdfddeb7fbb2d9f019b68927f8fecd
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-245584.hdr.sgml**: 20251022

**ACCESSION NUMBER**: 0001193125-25-245584

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 11

**FILED AS OF DATE**: 20251022

**DATE AS OF CHANGE**: 20251021

**EFFECTIVENESS DATE**: 20251022

**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:** 251408416

**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 Large Cap 10% Target Buffer Mar ETF (Series ID: S000095364)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                  | Ticker Symbol | Class ID   |
| iShares Large Cap 10% Target Buffer Mar ETF | TENM          | C000264083 |

---

## Series and Classes Contracts Data

### iShares Large Cap 10% Target Buffer Mar ETF (Series ID: S000095364)

| Class ID   | Class Name                                  | Ticker Symbol   |
|:---|:---|:---|
| C000264083 | iShares Large Cap 10% Target Buffer Mar ETF | TENM            |

?xml version='1.0' encoding='ASCII'? Form 497

------

## iShares<sup>®</sup>

#### iShares Trust

#### Supplement dated October 22, 2025

#### to the currently effective Prospectus and Statement of Additional Information ("SAI") for the iShares Large Cap 10% Target Buffer Mar ETF (TENM) (the "Fund")
As described in the Fund's Prospectus and SAI, the Fund seeks to provide certain outcomes for an investment held over an entire Outcome Period. Capitalized terms have the meanings ascribed to them in the Fund's Prospectus and SAI.

An investment in the Fund over the course of the Outcome Period is subject to the Fund's Approximate Cap as set forth in the table below.

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;&nbsp;**Fund (Ticker)** | **Outcome Period** | **Approximate Cap** |
| &nbsp;&nbsp;&nbsp; iShares Large Cap 10% Target Buffer Mar ETF (TENM) | Oct. 22, 2025 to<br> Mar. 31, 2026 | 7.21% (gross of management fee)<br>6.99% (net of management fee) |

---

The Fund's Prospectus and SAI are amended to revise all references to the Outcome Period and Approximate Cap, when applicable, to reflect the information above.

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-TENM-Cap2-1025

#### PLEASE RETAIN THIS SUPPLEMENT

#### FOR FUTURE REFERENCE