# EDGAR Filing Document

**Accession Number:** 0001722388
**File Stem:** 0001999371-25-011800
**Filing Date:** 2025-8
**Character Count:** 4172
**Document Hash:** 0e86e70556a17729384cb41572ffefcd
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001999371-25-011800.hdr.sgml**: 20250821

**ACCESSION NUMBER**: 0001999371-25-011800

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250821

**DATE AS OF CHANGE**: 20250821

**EFFECTIVENESS DATE**: 20250821

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Tidal Trust III
- **CENTRAL INDEX KEY:** 0001722388

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-221764
- **FILM NUMBER:** 251238663

**BUSINESS ADDRESS:**
- **STREET 1:** CORPORATION TRUST CENTER 1209 ORANGE ST
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19801
- **BUSINESS PHONE:** 4694428424

**MAIL ADDRESS:**
- **STREET 1:** CORPORATION TRUST CENTER 1209 ORANGE ST
- **CITY:** WILMINGTON
- **STATE:** DE
- **ZIP:** 19801

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Impact Shares Trust I
- **DATE OF NAME CHANGE:** 20180319

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Impact Shares Funds I Trust
- **DATE OF NAME CHANGE:** 20171113

## Series and Classes Contracts Data

### VistaShares Berkshire Select ETF (Series ID: S000094433)

| Class ID   | Class Name                       | Ticker Symbol   |
|:---|:---|:---|
| C000262943 | VistaShares Berkshire Select ETF |  |

### VistaShares DRUKMacro Select ETF (Series ID: S000094434)

| Class ID   | Class Name                       | Ticker Symbol   |
|:---|:---|:---|
| C000262944 | VistaShares DRUKMacro Select ETF |  |

### VistaShares ACKtivist Select ETF (Series ID: S000094435)

| Class ID   | Class Name                       | Ticker Symbol   |
|:---|:---|:---|
| C000262945 | VistaShares ACKtivist Select ETF |  |

### VistaShares BigShort Select ETF (Series ID: S000094436)

| Class ID   | Class Name                      | Ticker Symbol   |
|:---|:---|:---|
| C000262946 | VistaShares BigShort Select ETF |  |

### VistaShares Target 15 DRUKMacro Distribution ETF (Series ID: S000094437)

| Class ID   | Class Name                                       | Ticker Symbol   |
|:---|:---|:---|
| C000262947 | VistaShares Target 15 DRUKMacro Distribution ETF |  |

### VistaShares Target 15 ACKtivist Distribution ETF (Series ID: S000094438)

| Class ID   | Class Name                                       | Ticker Symbol   |
|:---|:---|:---|
| C000262948 | VistaShares Target 15 ACKtivist Distribution ETF |  |

### VistaShares Target 15 BigShort Distribution ETF (Series ID: S000094439)

| Class ID   | Class Name                                      | Ticker Symbol   |
|:---|:---|:---|
| C000262949 | VistaShares Target 15 BigShort Distribution ETF |  |

**Tidal Trust III**

234 West Florida Street, Suite 203

Milwaukee, WI 53204

August 21, 2025

**VIA EDGAR TRANSMISSION**

U.S. Securities and Exchange Commission (the "Commission")<br> Division of Investment Management<br> 100 F Street, N.E.<br> Washington, DC 20549

---

| | |
|:---|:---|
| **Re:** | **Tidal Trust III (the "Trust")**<br> **File Nos. 333-221764, 811-23312** |

---

To the Commission:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, and the regulations thereunder, the Trust on behalf of its series, the VistaShares ACKtivist Select ETF, VistaShares Target 15 ACKtivist Distribution ETF, VistaShares BigShort Select ETF, VistaShares Target 15 BigShort Distribution ETF, VistaShares DRUKMacro Select ETF, VistaShares Target 15 DRUKMacro Distribution ETF and VistaShares Berkshire Select ETF, hereby certifies that the forms of Prospectus and Statement of Additional Information that would have been filed under Rule 497(b) or (c) would not have differed from that contained in the most recent amendment effective August 18, 2025, and filed electronically as Post-Effective Amendment No. 128 to the Trust's Registration Statement on Form N-1A on August 18, 2025.

If you have any questions or require further information, please contact Jonathan R. Massey at (262) 226-4032 or jmassey@tidalfg.com.

Sincerely,

/s/ Jonathan R. Massey

Jonathan R. Massey<br> SVP Legal<br> Tidal Investments LLC