# EDGAR Filing Document

**Accession Number:** 0002043390
**File Stem:** 0001999371-25-016252
**Filing Date:** 2025-10
**Character Count:** 5277
**Document Hash:** f0ee67c00d1ad195fbac87c67650f206
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001999371-25-016252.hdr.sgml**: 20251028

**ACCESSION NUMBER**: 0001999371-25-016252

**CONFORMED SUBMISSION TYPE**: 8-A12B

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251028

**DATE AS OF CHANGE**: 20251028

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Tidal Trust IV
- **CENTRAL INDEX KEY:** 0002043390

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

**FILING VALUES:**
- **FORM TYPE:** 8-A12B
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42777
- **FILM NUMBER:** 251422324

**BUSINESS ADDRESS:**
- **STREET 1:** 234 WEST FLORIDA STREET, SUITE 203
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53204
- **BUSINESS PHONE:** 855-832-2534

**MAIL ADDRESS:**
- **STREET 1:** 234 WEST FLORIDA STREET, SUITE 203
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53204

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-A**

**FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO**

**SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934**

**Tidal Trust IV**

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(Exact name of registrant as specified in its charter)

**Delaware**

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(State of incorporation or organization)

**See List Below**

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(I.R.S. Employer Identification Number)

**234 West Florida Street, Suite 203, Milwaukee, Wisconsin 53204**

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(Address of registrant's principal executive offices)

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| | |
|:---|:---|
| Title of each class of securities to be registered | Name of each exchange on which each class is to be registered |
| **Portfolio Building Block European Banks Index ETF <br> Portfolio Building Block World Pharma and Biotech Index ETF <br> Portfolio Building Block Integrated Oil and Gas and Exploration and Production Index ETF** | **The Nasdaq Stock Market, LLC**<br> **The Nasdaq Stock Market, LLC**<br> **The Nasdaq Stock Market, LLC** |

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If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c), check the following box. ☒

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d), check the following box. ☐

Securities Act Registration file number to which this form relates: 333-285633

Securities to be registered pursuant to Section 12(g) of the Act: Not applicable.

**Item 1. Description of Registrant's Securities to be Registered.**

Reference is made to Post-Effective Amendment No. 5 to the Registrant's Registration Statement on Form N-1A (File Nos. 333-285633 and 811-24061), as filed with the U.S. Securities and Exchange Commission ("SEC") via EDGAR (Accession No. 0001999371-25-016199) on October 27, 2025, which is incorporated herein by reference.

The Trust currently consists of 7 registered series. The series to which this filing relates and its IRS Employer Identification Number are as follows:

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| | |
|:---|:---|
| **Title of Each Class of Securities to be Registered** | **IRS Employer ID Number** |
| Portfolio Building Block European Banks Index ETF <br> Portfolio Building Block World Pharma and Biotech Index ETF <br> Portfolio Building Block Integrated Oil and Gas and Exploration and Production Index ETF | 39-4056136<br> 39-4119126<br> 39-4670918 |

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**Item 2. Exhibits**

A. [Certificate of Trust](https://www.sec.gov/Archives/edgar/data/2043390/000183988225014370/ex99-ai.htm) dated June 8, 2023, as filed with the state of Delaware on June 8, 2023, for Tidal Trust IV (the "Trust"
 or the "Registrant") is incorporated herein by reference to Exhibit (a)(i) to the Registrant's Initial Registration
 Statement on Form N-1A, as filed with the SEC on March 7, 2025.

B. [Certificate of Amendment to Certificate of Trust](https://www.sec.gov/Archives/edgar/data/2043390/000183988225014370/ex99-aii.htm) dated September 25, 2023, as filed with the state of Delaware on September 25, 2023,
 for the Registrant is incorporated herein by reference to Exhibit (a)(ii) to the Registrant's Initial Registration Statement
 on Form N-1A, as filed with the SEC on March 7, 2025.

C. [Registrant's Declaration of Trust](https://www.sec.gov/Archives/edgar/data/2043390/000183988225014370/ex99-aiii.htm) , adopted as of August 1, 2024, is incorporated herein by reference to Exhibit (a)(iii) to the Registrant's
 Initial Registration Statement on Form N-1A, as filed with the SEC on March 7, 2025.

D. [Registrant's By-Laws](https://www.sec.gov/Archives/edgar/data/2043390/000183988225014370/ex99-b.htm) , effective as of August 1, 2024, are incorporated herein by reference to Exhibit (b) to the Registrant's Initial
 Registration Statement on Form N-1A, as filed with the SEC on March 7, 2025.

**SIGNATURES**

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized.

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| | |
|:---|:---|
| **Tidal Trust IV** | **Tidal Trust IV** |
| October 28, 2025 | October 28, 2025 |
| By: | /s/ Eric W. Falkeis |
| Name: | Eric W. Falkeis |
| Title: | President |

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