# EDGAR Filing Document

**Accession Number:** 0001722388
**File Stem:** 0001999371-26-003181
**Filing Date:** 2026-2
**Character Count:** 7696
**Document Hash:** 7e45fe2fef7003266d238afc6fad76b0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001999371-26-003181.hdr.sgml**: 20260212

**ACCESSION NUMBER**: 0001999371-26-003181

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 16

**FILED AS OF DATE**: 20260212

**DATE AS OF CHANGE**: 20260212

**EFFECTIVENESS DATE**: 20260212

**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:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-221764
- **FILM NUMBER:** 26625972

**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

### Rockefeller California Municipal Bond ETF (Series ID: S000086368)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                | Ticker Symbol | Class ID   |
| Rockefeller California Municipal Bond ETF | RMCA          | C000251862 |

---

### Rockefeller New York Municipal Bond ETF (Series ID: S000086369)

---

|  |  |  |
|:---|:---|:---|
| Class Name                              | Ticker Symbol | Class ID   |
| Rockefeller New York Municipal Bond ETF | RMNY          | C000251863 |

---

### Rockefeller Opportunistic Municipal Bond ETF (Series ID: S000086370)

---

|  |  |  |
|:---|:---|:---|
| Class Name                                   | Ticker Symbol | Class ID   |
| Rockefeller Opportunistic Municipal Bond ETF | RMOP          | C000251864 |

---

## Series and Classes Contracts Data

### Rockefeller California Municipal Bond ETF (Series ID: S000086368)

| Class ID   | Class Name                                | Ticker Symbol   |
|:---|:---|:---|
| C000251862 | Rockefeller California Municipal Bond ETF | RMCA            |

### Rockefeller New York Municipal Bond ETF (Series ID: S000086369)

| Class ID   | Class Name                              | Ticker Symbol   |
|:---|:---|:---|
| C000251863 | Rockefeller New York Municipal Bond ETF | RMNY            |

### Rockefeller Opportunistic Municipal Bond ETF (Series ID: S000086370)

| Class ID   | Class Name                                   | Ticker Symbol   |
|:---|:---|:---|
| C000251864 | Rockefeller Opportunistic Municipal Bond ETF | RMOP            |

?xml version='1.0' encoding='ASCII'?

Filed pursuant to Rule 497(e)

Registration Nos. 333-221764, 811-23312

![](rockefellerlogo.jpg)

**Rockefeller Opportunistic Municipal Bond ETF (RMOP)**

**Rockefeller California Municipal Bond ETF (RMCA)**

**Rockefeller New York Municipal Bond ETF (RMNY)**

(each a "Fund" and collectively, the "Funds")

*each listed on NYSE Arca, Inc.*

February 12, 2026

**Supplement to each Summary Prospectus and the Prospectus, each dated November 26, 2025**

*Effective immediately, the Fee Table for Rockefeller Opportunistic Municipal Bond ETF in the "Fees and Expenses of the Fund" section within the Summary Prospectus and Prospectus is hereby deleted in its entirety and replaced with the following:*

---

| | |
|:---|:---|
| **Annual Fund Operating Expenses<sup>(1)</sup>** (expenses that you pay each year as a percentage of the value of your investment) | |
| Management Fee | 0.55% |
| Distribution and Service (12b-1) Fees | 0.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other Expenses | 0.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Interest Expense | 0.25% |
| Total Other Expenses | 0.25% |
| Total Annual Fund Operating Expenses | 0.80% |

---

<sup>(1)</sup> The Fund's investment adviser, Tidal Investments LLC (the "Adviser"), will pay, or require a sub-adviser to pay, all expenses incurred by the Fund (except for advisory fees and sub-advisory fees, as the case may be) excluding interest charges on any borrowings, dividends and other expenses on securities sold short, taxes, brokerage commissions and other expenses incurred in placing orders for the purchase and sale of securities and other investment instruments, acquired fund fees and expenses, accrued deferred tax liability, distribution fees and expenses paid by the Fund under any distribution plan adopted pursuant to Rule 12b-1 under the Investment Company Act of 1940, as amended (the "1940 Act"), and litigation expenses, and other non-routine or extraordinary expenses.

*Effective immediately, the Fee Table for Rockefeller California Municipal Bond ETF in the "Fees and Expenses of the Fund" section within the Summary Prospectus and Prospectus is hereby deleted in its entirety and replaced with the following:*

---

| | |
|:---|:---|
| **Annual Fund Operating Expenses<sup>(1)</sup>** (expenses that you pay each year as a percentage of the value of your investment) | |
| Management Fee | 0.55% |
| Distribution and Service (12b-1) Fees | 0.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other Expenses | 0.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Interest Expense | 0.00% |
| Total Other Expenses | 0.00% |
| Total Annual Fund Operating Expenses | 0.55% |

---

<sup>(1)</sup> The Fund's investment adviser, Tidal Investments LLC (the "Adviser"), will pay, or require a sub-adviser to pay, all expenses incurred by the Fund (except for advisory fees and sub-advisory fees, as the case may be) excluding interest charges on any borrowings, dividends and other expenses on securities sold short, taxes, brokerage commissions and other expenses incurred in placing orders for the purchase and sale of securities and other investment instruments, acquired fund fees and expenses, accrued deferred tax liability, distribution fees and expenses paid by the Fund under any distribution plan adopted pursuant to Rule 12b-1 under the 1940 Act, and litigation expenses, and other non-routine or extraordinary expenses.

*Effective immediately, the Fee Table for Rockefeller New York Municipal Bond ETF in the "Fees and Expenses of the Fund" section within the Summary Prospectus and Prospectus is hereby deleted in its entirety and replaced with the following:*

---

| | |
|:---|:---|
| **Annual Fund Operating Expenses<sup>(1)</sup>** (expenses that you pay each year as a percentage of the value of your investment) | |
| Management Fee | 0.55% |
| Distribution and Service (12b-1) Fees | 0.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other Expenses | 0.00% |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Interest Expense | 0.00% |
| Total Other Expenses | 0.00% |
| Total Annual Fund Operating Expenses | 0.55% |

---

<sup>(1)</sup> The Fund's investment adviser, Tidal Investments LLC (the "Adviser"), will pay, or require a sub-adviser to pay, all expenses incurred by the Fund (except for advisory fees and sub-advisory fees, as the case may be) excluding interest charges on any borrowings, dividends and other expenses on securities sold short, taxes, brokerage commissions and other expenses incurred in placing orders for the purchase and sale of securities and other investment instruments, acquired fund fees and expenses, accrued deferred tax liability, distribution fees and expenses paid by the Fund under any distribution plan adopted pursuant to Rule 12b-1 under the 1940 Act, and litigation expenses, and other non-routine or extraordinary expenses.

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