# EDGAR Filing Document

**Accession Number:** 0000319676
**File Stem:** 0001076598-25-000212
**Filing Date:** 2025-6
**Character Count:** 3191
**Document Hash:** 7a93e40fcc3046a17749f47ba64a5b3e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001076598-25-000212.hdr.sgml**: 20250612

**ACCESSION NUMBER**: 0001076598-25-000212

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250612

**DATE AS OF CHANGE**: 20250612

**EFFECTIVENESS DATE**: 20250612

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Calvert Management Series
- **CENTRAL INDEX KEY:** 0000319676

**ORGANIZATION NAME:**
- **EIN:** 526211999
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-69565
- **FILM NUMBER:** 251043003

**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 TAX FREE RESERVES
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Calvert Small/Mid-Cap Fund (Series ID: S000080181)

---

|  |  |
|:---|:---|
| Class Name                         | Class ID   |
| Calvert Small/Mid-Cap Fund Class I | C000241882 |
| Calvert Small/Mid-Cap Fund Class C | C000241883 |
| Calvert Small/Mid-Cap Fund Class A | C000241884 |

---

## Series and Classes Contracts Data

### Calvert Small/Mid-Cap Fund (Series ID: S000080181)

| Class ID   | Class Name                         | Ticker Symbol   |
|:---|:---|:---|
| C000241882 | Calvert Small/Mid-Cap Fund Class I |  |
| C000241883 | Calvert Small/Mid-Cap Fund Class C |  |
| C000241884 | Calvert Small/Mid-Cap Fund Class A |  |

**CALVERT SMALL/MID-CAP FUND**

**Supplement to Statement of Additional Information dated May 1, 2025**

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

<br> The Board of Trustees of Calvert Small/Mid-Cap Fund (the "Fund" or the "Acquiring Fund") has approved a proposal by Calvert Research and Management ("CRM") to effect the reorganization of Calvert Mid-Cap Fund (the "Acquired Fund") with and into the Acquiring Fund (the "Merger"). Completion of the Merger is subject to various conditions. The Merger is expected to close on or about September 15, 2025.

**In addition, the following investment restrictions are added as investment restrictions of the Fund at the end of the numbered list under "INVESTMENT RESTRICTIONS" on or about September 15, 2025:** 

(9) Issue senior securities or borrow money, except from banks and through reverse repurchase agreements in an amount up to 33 1/3% of
the value of the Fund's total assets (including the amount borrowed);

(10) Lend any security or make any loan, including engaging in repurchase agreements, if, as a result, more than 33 1/3% of the Fund's
total assets would be loaned to other parties, except through the purchase of debt securities or other debt instruments; or

(11) Concentrate its investments in the securities of issuers primarily engaged in any particular industry or group of industries (other
than securities issued or guaranteed by the U.S. Government or its agencies or instrumentalities and repurchase agreements secured thereby).

**June 12, 2025**