# EDGAR Filing Document

**Accession Number:** 0000701039
**File Stem:** 0001133228-26-003802
**Filing Date:** 2026-3
**Character Count:** 2177
**Document Hash:** 3aa4404801f8a07ec59c9364255fbb34
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-26-003802.hdr.sgml**: 20260319

**ACCESSION NUMBER**: 0001133228-26-003802

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260319

**DATE AS OF CHANGE**: 20260319

**EFFECTIVENESS DATE**: 20260319

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Calvert Fund
- **CENTRAL INDEX KEY:** 0000701039

**ORGANIZATION NAME:**
- **EIN:** 526228948
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-76510
- **FILM NUMBER:** 26774274

**BUSINESS ADDRESS:**
- **STREET 1:** 2050 M STREET NW
- **CITY:** WASHINGTON
- **STATE:** DC
- **ZIP:** 20036
- **BUSINESS PHONE:** 8002256265

**MAIL ADDRESS:**
- **STREET 1:** 2050 M STREET NW
- **CITY:** WASHINGTON
- **STATE:** DC
- **ZIP:** 20036

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CALVERT FUND
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Calvert High Yield Bond Fund (Series ID: S000025875)

| Class ID   | Class Name                            | Ticker Symbol   |
|:---|:---|:---|
| C000077416 | Class A                               | CYBAX           |
| C000077417 | Class C                               | CHBCX           |
| C000077418 | Class I                               | CYBIX           |
| C000211121 | Calvert High Yield Bond Fund Class R6 | CYBRX           |

**CALVERT HIGH YIELD BOND fUND**

**(the "Fund")**

**Supplement to Summary Prospectus, Statutory Prospectus<br> and Statement of Additional Information ("SAI") dated February 1, 2026**

**as may be supplemented and/or revised from time to time**

Effective December 31, 2026 (the "Effective Date"), Stephen C. Concannon, CFA intends to retire and will no longer serve as a portfolio manager of the Fund. Accordingly, on the Effective Date, all references to Mr. Concannon will be removed from the Fund's Summary Prospectus, Statutory Prospectus and SAI.

Justin H. Bourgette, CFA and Bo Hunt will continue to serve as portfolio managers of the Fund.

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| | |
|:---|:---|
| **March 19, 2026** | **48678-00 3.19.26** |

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