# EDGAR Filing Document

**Accession Number:** 0000882748
**File Stem:** 0001104659-23-027197
**Filing Date:** 2023-3
**Character Count:** 4082
**Document Hash:** 7e6a2cea44c6b8e08be075d3fced7b30
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-23-027197.hdr.sgml**: 20230301

**ACCESSION NUMBER**: 0001104659-23-027197

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230301

**DATE AS OF CHANGE**: 20230301

**EFFECTIVENESS DATE**: 20230301

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BOSTON TRUST WALDEN FUNDS
- **CENTRAL INDEX KEY:** 0000882748
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-44964
- **FILM NUMBER:** 23692163

**BUSINESS ADDRESS:**
- **STREET 1:** ONE BEACON STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02108
- **BUSINESS PHONE:** 617-859-3437

**MAIL ADDRESS:**
- **STREET 1:** ONE BEACON STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02108

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BOSTON TRUST & WALDEN FUNDS
- **DATE OF NAME CHANGE:** 20110801

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** COVENTRY GROUP
- **DATE OF NAME CHANGE:** 19920929

## Series and Classes Contracts Data

### Boston Trust Walden Small Cap Fund (Series ID: S000009927)

---

|  |  |  |
|:---|:---|:---|
| Class Name                         | Ticker Symbol | Class ID   |
| Boston Trust Walden Small Cap Fund | BOSOX         | C000027445 |

---

## Series and Classes Contracts Data

### Boston Trust Walden Small Cap Fund (Series ID: S000009927)

| Class ID   | Class Name                         | Ticker Symbol   |
|:---|:---|:---|
| C000027445 | Boston Trust Walden Small Cap Fund | BOSOX           |

**Boston Trust Walden Funds**

One Beacon Street

Boston, MA 02108

**Boston Trust Walden Small Cap Fund (BOSOX)**

**<br> Supplement dated March 1, 2023<br> to the Prospectus dated May 1, 2022, as previously supplemented**

Effective May 1, 2023, the Boston Trust Walden Small Cap Fund (the "Fund") is closed to new investors. Unless you belong to one of the investor categories described below, you may not invest in the Fund.

You may purchase Fund shares through your existing Fund account and reinvest dividends and capital gains in the Fund if you are:

&nbsp;&nbsp;&nbsp;&nbsp;· a current Fund shareholder as of May 1, 2023;

&nbsp;&nbsp;&nbsp;&nbsp;· a participant in a qualified defined contribution
retirement plan that offers the Fund as an investment option as of May 1, 2023.

You may purchase Fund shares through a new or existing Fund account and reinvest dividends and capital gains in the Fund if you are:

&nbsp;&nbsp;&nbsp;&nbsp;· a Trustee of the Fund; or

&nbsp;&nbsp;&nbsp;&nbsp;· a client who maintains a managed account with Boston Trust Walden Inc. or
its affiliates

Except as otherwise noted, these restrictions apply to investments made directly with the Fund through its Transfer Agent and investments made through financial institutions and/or intermediaries. Once an account is closed, additional investments will not be accepted unless you are one of the investors listed above. Investors may be required to demonstrate eligibility to purchase shares of the Fund before an investment is accepted. Management reserves the right to (i) make additional exceptions that, in its judgment, do not adversely affect its ability to manage the Fund, (ii) reject any investment or refuse any exception, including those detailed above in its sole discretion, and (iii) close and re-open the Fund to new or existing shareholders at any time.

**Please retain this supplement with your Summary Prospectus, Prospectus and SAI for future reference.**

*This Supplement, and the Summary Prospectus, Prospectus, and SAI, each dated May 1, 2022, as supplemented, provide relevant information for all shareholders and should be retained for future reference. The [Prospectus and SAI](https://www.sec.gov/ix?doc=/Archives/edgar/data/882748/000110465922048774/tm222600d1_485bpos.htm) have been filed with the Securities and Exchange Commission, are incorporated by reference, and can be obtained without charge by calling 1-800-282-8782, extension 7050.*