# EDGAR Filing Document

**Accession Number:** 0001592900
**File Stem:** 0001592900-25-004458
**Filing Date:** 2025-12
**Character Count:** 2595
**Document Hash:** 99361bbc76ba07669d952759af581307
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001592900-25-004458.hdr.sgml**: 20251222

**ACCESSION NUMBER**: 0001592900-25-004458

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251222

**DATE AS OF CHANGE**: 20251222

**EFFECTIVENESS DATE**: 20251222

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** EA Series Trust
- **CENTRAL INDEX KEY:** 0001592900

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-195493
- **FILM NUMBER:** 251592906

**BUSINESS ADDRESS:**
- **STREET 1:** 3803 WEST CHESTER PIKE, SUITE 150
- **CITY:** NEWTOWN SQUARE
- **STATE:** PA
- **ZIP:** 19073
- **BUSINESS PHONE:** 1.215.882.9983

**MAIL ADDRESS:**
- **STREET 1:** 3803 WEST CHESTER PIKE, SUITE 150
- **CITY:** NEWTOWN SQUARE
- **STATE:** PA
- **ZIP:** 19073

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Alpha Architect ETF Trust
- **DATE OF NAME CHANGE:** 20140428

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Empowered Funds ETF Trust
- **DATE OF NAME CHANGE:** 20131125

## Series and Classes Contracts Data

### City Different Investments SMID Cap Core Equity ETF (Series ID: S000095253)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                          | Ticker Symbol | Class ID   |
| City Different Investments SMID Cap Core Equity ETF | CDSM          | C000263957 |

---

## Series and Classes Contracts Data

### City Different Investments SMID Cap Core Equity ETF (Series ID: S000095253)

| Class ID   | Class Name                                          | Ticker Symbol   |
|:---|:---|:---|
| C000263957 | City Different Investments SMID Cap Core Equity ETF | CDSM            |

Filed Pursuant to Rule 497(e)

File Nos. 333-195493; 811-22961

**City Different Investments SMID Cap Core Equity ETF (CDSM)** 

(the "Fund")

**December 22, 2025**

**Supplement to the Prospectus and Statement of Additional Information ("SAI"),** 

**each dated September 10, 2025, as previously supplemented**

**THIS SUPPLEMENT CONTAINS IMPORTANT INFORMATION ABOUT CHANGES TO THE FUND'S TICKER SYMBOL EFFECTIVE JANUARY 20, 2026, AS DESCRIBED BELOW.**<br>

*Ticker Symbol Change*

Effective January 20, 2026, the Fund's ticker symbol will change to "**CMIX**". Accordingly, as of the effective date, all references in the Prospectus and SAI to "CDSM" are replaced with "CMIX".

**If you have any questions, please call (215) 330-4476.**

***Please retain this Supplement for future reference.***

<br>