# EDGAR Filing Document

**Accession Number:** 0001722388
**File Stem:** 0001999371-25-010993
**Filing Date:** 2025-8
**Character Count:** 8023
**Document Hash:** aefe759960de7f5ab229160ca09229be
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001999371-25-010993.hdr.sgml**: 20250808

**ACCESSION NUMBER**: 0001999371-25-010993

**CONFORMED SUBMISSION TYPE**: 485BXT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250808

**DATE AS OF CHANGE**: 20250808

**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:** 485BXT
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-23312
- **FILM NUMBER:** 251199209

**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
**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:** 485BXT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-221764
- **FILM NUMBER:** 251199208

**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 Duquesne Select ETF (Series ID: S000094434)

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

### VistaShares Pershing Square Select ETF (Series ID: S000094435)

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

### VistaShares Scion Asset Management Select ETF (Series ID: S000094436)

| Class ID   | Class Name                                    | Ticker Symbol   |
|:---|:---|:---|
| C000262946 | VistaShares Scion Asset Management Select ETF |  |

### VistaShares Target 15 Duquesne Select Income ETF (Series ID: S000094437)

| Class ID   | Class Name                                       | Ticker Symbol   |
|:---|:---|:---|
| C000262947 | VistaShares Target 15 Duquesne Select Income ETF |  |

### VistaShares Target 15 Pershing Square Select Income ETF (Series ID: S000094438)

| Class ID   | Class Name                                              | Ticker Symbol   |
|:---|:---|:---|
| C000262948 | VistaShares Target 15 Pershing Square Select Income ETF |  |

### VistaShares Target 15 Scion Asset Management Select Income ETF (Series ID: S000094439)

| Class ID   | Class Name                                                     | Ticker Symbol   |
|:---|:---|:---|
| C000262949 | VistaShares Target 15 Scion Asset Management Select Income ETF |  |

AS FILED WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION ON AUGUST 8, 2025

1933 Registration File No. 333-221764

1940 Act File No. 811-23312

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM N-1A**

---

| | |
|:---|:---|
| REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 | ☒ |
| Pre-Effective Amendment No. | ☐ |
| Post-Effective Amendment No. 126 | ☒ |
| and/or |  |
| REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 | ☒ |
| Amendment No. 129 | ☒ |

---

**<u>TIDAL TRUST III</u>**

(Exact Name of Registrant as Specified in Charter)

**c/o Tidal ETF Services LLC**

**234 West Florida Street, Suite 203**

**Milwaukee, Wisconsin 53204**

(Address of Principal Executive Offices, Zip Code)

(Registrant's Telephone Number, including Area Code) **(855) 843-2534**

**The Corporation Trust Company**

**1209 Orange Street**

**Corporation Trust Center**

**Wilmington, DE 19801**

(Name and Address of Agent for Service)

Copies to:

---

| | |
|:---|:---|
| **Eric W. Falkeis**<br> **Tidal ETF Services LLC**<br> **234 West Florida Street, Suite 203**<br> **Milwaukee, Wisconsin 53204** | **Domenick Pugliese**<br> **Sullivan & Worcester LLP**<br> **1251 Avenue of Americas, 19<sup>th</sup> Floor**<br> **New York, NY 10020** |

---

Approximate date of proposed public offering: As soon as practicable after the effective date of this registration statement.

It is proposed that this filing will become effective (check appropriate box):

☐ immediately upon filing pursuant to paragraph (b)

☒ on, August 18, 2025 pursuant to paragraph (b)

☐ 60 days after filing pursuant to paragraph (a)(1)

☐ on (date) pursuant to paragraph (a)(1)

☐ 75 days after filing pursuant to paragraph (a)(2)

☐ on (date) pursuant to paragraph (a)(2) of rule 485

If appropriate, check the following box:

☒ this post-effective amendment designates a new effective date for a previously filed post-effective amendment.

**EXPLANATORY NOTE**

Designation of New Effective Date for Previously Filed Amendment

[Post-Effective Amendment No. 115](https://www.sec.gov/Archives/edgar/data/1722388/000199937125006776/vistashares-485apos_052825.htm) (the "Amendment") was filed pursuant to Rule 485(a)(2) under the Securities Act of 1933 on May 28, 2025, and pursuant to Rule 485(a)(2) would have become effective on August 11, 2025.

This Post-Effective Amendment No. 126 is being filed pursuant to Rule 485(b)(1)(iii) for the sole purpose of designating August 18, 2025, as the new date upon which the Amendment shall become effective.

This Post-Effective Amendment No. 126 incorporates by reference the information contained in Parts A, B, and C of the Amendment.

**SIGNATURES**

Pursuant to the requirements of the Securities Act of 1933, as amended, (the "Securities Act") and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this Post-Effective Amendment No. 126 to its Registration Statement on Form N-1A under Rule 485(b) under the Securities Act and has duly caused this Post-Effective Amendment No. 126 to its Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Milwaukee, State of Wisconsin, on August 8, 2025.

---

| | |
|:---|:---|
| Tidal Trust III | Tidal Trust III |
| By: | /s/ Eric Falkeis |
|  | Eric W. Falkeis |
|  | President |

---

Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration Statement has been signed below by the following persons in the capacities indicated on August 8, 2025.

---

| | |
|:---|:---|
| **Signature** | **Title** |
| /s/ Eric Falkeis | President and Principal Executive Officer |
| Eric W. Falkeis |  |
| /s/ Monica H. Byrd\* | Trustee |
| Monica H. Byrd |  |
| /s/ Pamela Cytron\* | Trustee |
| Pamela Cytron |  |
| /s/ Lawrence Jules\* | Trustee |
| Lawrence Jules |  |
| /s/ Guillermo Trias\* | Trustee |
| Guillermo Trias |  |
| /s/ Ethan Powell\* | Trustee |
| Ethan Powell |  |
| /s/ Aaron Perkovich | Treasurer, Principal Financial Officer and Principal Accounting Officer |
| Aaron Perkovich |  |

---

---

| | |
|:---|:---|
| \*By: | /s/ Eric Falkeis |
|  | Eric W. Falkeis, Attorney in Fact |
|  | By Power of Attorney |

---