# EDGAR Filing Document

**Accession Number:** 0001105446
**File Stem:** 0001133228-26-001398
**Filing Date:** 2026-2
**Character Count:** 4557
**Document Hash:** a35e78a6e87bdc04f0fb1f05b59d761c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001133228-26-001398.hdr.sgml**: 20260205

**ACCESSION NUMBER**: 0001133228-26-001398

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260205

**DATE AS OF CHANGE**: 20260205

**EFFECTIVENESS DATE**: 20260205

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Calvert Responsible Index Series, Inc.
- **CENTRAL INDEX KEY:** 0001105446

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-34122
- **FILM NUMBER:** 26601122

**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 SOCIAL INDEX SERIES INC
- **DATE OF NAME CHANGE:** 20000601

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CALVERT 2000 SERIES INC
- **DATE OF NAME CHANGE:** 20000207

## Series and Classes Contracts Data

### Calvert US Large-Cap Core Responsible Index Fund (Series ID: S000005145)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000014080 | Class A      | CSXAX           |
| C000014082 | Class C      | CSXCX           |
| C000014083 | Class I      | CISIX           |
| C000195939 | Class R6     | CSXRX           |

### Calvert US Large-Cap Growth Responsible Index Fund (Series ID: S000049168)

| Class ID   | Class Name                                                  | Ticker Symbol   |
|:---|:---|:---|
| C000154981 | Class A                                                     | CGJAX           |
| C000154983 | Class I                                                     | CGJIX           |
| C000235281 | Calvert US Large-Cap Growth Responsible Index Fund Class R6 | CLGRX           |

### Calvert US Large-Cap Value Responsible Index Fund (Series ID: S000049169)

| Class ID   | Class Name                                                 | Ticker Symbol   |
|:---|:---|:---|
| C000154985 | Class A                                                    | CFJAX           |
| C000154987 | Class I                                                    | CFJIX           |
| C000235282 | Calvert US Large-Cap Value Responsible Index Fund Class R6 | CLVRX           |

### Calvert US Mid-Cap Core Responsible Index Fund (Series ID: S000051236)

| Class ID   | Class Name                                              | Ticker Symbol   |
|:---|:---|:---|
| C000161544 | Class A                                                 | CMJAX           |
| C000161547 | Class I                                                 | CMJIX           |
| C000235283 | Calvert US Mid-Cap Core Responsible Index Fund Class R6 | CMCRX           |

### Calvert International Responsible Index Fund (Series ID: S000051237)

| Class ID   | Class Name                                            | Ticker Symbol   |
|:---|:---|:---|
| C000161548 | Class A                                               | CDHAX           |
| C000161551 | Class I                                               | CDHIX           |
| C000211122 | Calvert International Responsible Index Fund Class R6 | CDHRX           |

CALVERT RESPONSIBLE INDEX SERIES, INC.

2050 M Street NW

Washington, DC 20036

Telephone: (202) 238-2200

CERTIFICATION

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, and Regulation S-T, Calvert Responsible Index Series, Inc. (the "Registrant") (1933 Act File No. 333-34122) certifies (a) that the forms of prospectus and statement of additional information dated February 1, 2026 used with respect to the following series of the Registrant does not differ from that contained in Post-Effective Amendment No. 60 ("Amendment No. 60") to the Registrant's Registration Statement on Form N-1A, and (b) that Amendment No. 60 was filed electronically with the Securities and Exchange Commission (Accession No. 0001133228-26-000677) on January 27, 2026:

Calvert International Responsible Index Fund

Calvert US Large-Cap Core Responsible Index Fund

Calvert US Large-Cap Growth Responsible Index Fund

Calvert US Large-Cap Value Responsible Index Fund

Calvert US Mid-Cap Core Responsible Index Fund

---

| | |
|:---|:---|
| CALVERT RESPONSIBLE INDEX SERIES, INC. | CALVERT RESPONSIBLE INDEX SERIES, INC. |
| By: | /s/ Deidre E. Walsh |
|  | Deidre E. Walsh |
|  | Secretary |

---

Date: February 5, 2026