# EDGAR Filing Document

**Accession Number:** 0001540305
**File Stem:** 0000894189-26-010730
**Filing Date:** 2026-3
**Character Count:** 2818
**Document Hash:** 83b49a35a0382ba4eb5eebcf865b1047
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000894189-26-010730.hdr.sgml**: 20260331

**ACCESSION NUMBER**: 0000894189-26-010730

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 14

**FILED AS OF DATE**: 20260331

**DATE AS OF CHANGE**: 20260331

**EFFECTIVENESS DATE**: 20260331

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ETF Series Solutions
- **CENTRAL INDEX KEY:** 0001540305

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1112

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-179562
- **FILM NUMBER:** 26819381

**BUSINESS ADDRESS:**
- **STREET 1:** 615 EAST MICHIGAN ST
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202
- **BUSINESS PHONE:** 414-287-3700

**MAIL ADDRESS:**
- **STREET 1:** 615 EAST MICHIGAN ST
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202

## Series and Classes Contracts Data

### Aptus April Buffer ETF (Series ID: S000085061)

---

|  |  |  |
|:---|:---|:---|
| Class Name             | Ticker Symbol | Class ID   |
| Aptus April Buffer ETF | APRB          | C000249924 |

---

## Series and Classes Contracts Data

### Aptus April Buffer ETF (Series ID: S000085061)

| Class ID   | Class Name             | Ticker Symbol   |
|:---|:---|:---|
| C000249924 | Aptus April Buffer ETF | APRB            |

?xml version='1.0' encoding='ASCII'? ck0001540305-20260331

Filed pursuant to Rule 497(e)

File Nos. 333-179562; 811-22668

**Aptus April Buffer ETF (APRB)**

(the "Fund")

**Supplement dated March 31, 2026 to the Fund's Summary Prospectus dated January 23, 2026, and** 

**Prospectus, dated October 13, 2025 and supplemented on January 23, 2026**

As described in the Fund's Summary Prospectus and Prospectus, shareholders are subject to a pre-determined upside return cap ("Cap") from an investment in the Fund for a given period of approximately one year (the "Investment Period").

On March 30, 2026, the previous Investment Period for the Fund ended. A new Investment Period for the fund began as of March 31, 2026 and will end on March 30, 2027. The Investment Period and Cap for each Fund is set forth below.

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| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| | **Investment <br>Period Start** | **Investment <br>Period End** | **Buffer (before Fund fees and expenses)\*** | **Buffer (after Fund fees and expenses)** | **Cap (before Fund <br>fees and expenses)** | **Cap (after Fund <br>fees and expenses)\*** |
| Aptus April Buffer ETF | March 31, 2026 | March 30, 2027 | 15.00% | 14.25% | 16.59% | 15.84% |

---

\* For this purpose, Fund fees and expenses consist of the Fund's total expense ratio and net options trading costs, if any.

**Please retain this Supplement with your Summary Prospectus and Prospectus for future reference.**