# EDGAR Filing Document

**Accession Number:** 0000831114
**File Stem:** 0001398344-25-011508
**Filing Date:** 2025-6
**Character Count:** 7823
**Document Hash:** 2cf68ef28274afe8013da958d743b84e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001398344-25-011508.hdr.sgml**: 20250606

**ACCESSION NUMBER**: 0001398344-25-011508

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250606

**DATE AS OF CHANGE**: 20250606

**EFFECTIVENESS DATE**: 20250606

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RBB FUND, INC.
- **CENTRAL INDEX KEY:** 0000831114

**ORGANIZATION NAME:**
- **EIN:** 510312196
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0831

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-20827
- **FILM NUMBER:** 251030116

**BUSINESS ADDRESS:**
- **STREET 1:** 615 E. MICHIGAN ST.
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53202
- **BUSINESS PHONE:** 609-731-6256

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

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RBB FUND INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FUND INC /DE/
- **DATE OF NAME CHANGE:** 19600201

## Series and Classes Contracts Data

### US Treasury 10 Year Note ETF (Series ID: S000077171)

---

|  |  |  |
|:---|:---|:---|
| Class Name                   | Ticker Symbol | Class ID   |
| US Treasury 10 Year Note ETF | UTEN          | C000237341 |

---

### US Treasury 3 Year Note ETF (Series ID: S000077172)

---

|  |  |  |
|:---|:---|:---|
| Class Name                  | Ticker Symbol | Class ID   |
| US Treasury 3 Year Note ETF | UTRE          | C000237342 |

---

### US Treasury 12 Month Bill ETF (Series ID: S000077173)

---

|  |  |  |
|:---|:---|:---|
| Class Name                    | Ticker Symbol | Class ID   |
| US Treasury 12 Month Bill ETF | OBIL          | C000237343 |

---

### US Treasury 2 Year Note ETF (Series ID: S000077174)

---

|  |  |  |
|:---|:---|:---|
| Class Name                  | Ticker Symbol | Class ID   |
| US Treasury 2 Year Note ETF | UTWO          | C000237344 |

---

### US Treasury 20 Year Bond ETF (Series ID: S000077175)

---

|  |  |  |
|:---|:---|:---|
| Class Name                   | Ticker Symbol | Class ID   |
| US Treasury 20 Year Bond ETF | UTWY          | C000237345 |

---

### US Treasury 3 Month Bill ETF (Series ID: S000077176)

---

|  |  |  |
|:---|:---|:---|
| Class Name                   | Ticker Symbol | Class ID   |
| US Treasury 3 Month Bill ETF | TBIL          | C000237346 |

---

### US Treasury 30 Year Bond ETF (Series ID: S000077177)

---

|  |  |  |
|:---|:---|:---|
| Class Name                   | Ticker Symbol | Class ID   |
| US Treasury 30 Year Bond ETF | UTHY          | C000237347 |

---

### US Treasury 5 Year Note ETF (Series ID: S000077178)

---

|  |  |  |
|:---|:---|:---|
| Class Name                  | Ticker Symbol | Class ID   |
| US Treasury 5 Year Note ETF | UFIV          | C000237348 |

---

### US Treasury 6 Month Bill ETF (Series ID: S000077179)

---

|  |  |  |
|:---|:---|:---|
| Class Name                   | Ticker Symbol | Class ID   |
| US Treasury 6 Month Bill ETF | XBIL          | C000237349 |

---

### US Treasury 7 Year Note ETF (Series ID: S000077180)

---

|  |  |  |
|:---|:---|:---|
| Class Name                  | Ticker Symbol | Class ID   |
| US Treasury 7 Year Note ETF | USVN          | C000237350 |

---

## Series and Classes Contracts Data

### US Treasury 10 Year Note ETF (Series ID: S000077171)

| Class ID   | Class Name                   | Ticker Symbol   |
|:---|:---|:---|
| C000237341 | US Treasury 10 Year Note ETF | UTEN            |

### US Treasury 3 Year Note ETF (Series ID: S000077172)

| Class ID   | Class Name                  | Ticker Symbol   |
|:---|:---|:---|
| C000237342 | US Treasury 3 Year Note ETF | UTRE            |

### US Treasury 12 Month Bill ETF (Series ID: S000077173)

| Class ID   | Class Name                    | Ticker Symbol   |
|:---|:---|:---|
| C000237343 | US Treasury 12 Month Bill ETF | OBIL            |

### US Treasury 2 Year Note ETF (Series ID: S000077174)

| Class ID   | Class Name                  | Ticker Symbol   |
|:---|:---|:---|
| C000237344 | US Treasury 2 Year Note ETF | UTWO            |

### US Treasury 20 Year Bond ETF (Series ID: S000077175)

| Class ID   | Class Name                   | Ticker Symbol   |
|:---|:---|:---|
| C000237345 | US Treasury 20 Year Bond ETF | UTWY            |

### US Treasury 3 Month Bill ETF (Series ID: S000077176)

| Class ID   | Class Name                   | Ticker Symbol   |
|:---|:---|:---|
| C000237346 | US Treasury 3 Month Bill ETF | TBIL            |

### US Treasury 30 Year Bond ETF (Series ID: S000077177)

| Class ID   | Class Name                   | Ticker Symbol   |
|:---|:---|:---|
| C000237347 | US Treasury 30 Year Bond ETF | UTHY            |

### US Treasury 5 Year Note ETF (Series ID: S000077178)

| Class ID   | Class Name                  | Ticker Symbol   |
|:---|:---|:---|
| C000237348 | US Treasury 5 Year Note ETF | UFIV            |

### US Treasury 6 Month Bill ETF (Series ID: S000077179)

| Class ID   | Class Name                   | Ticker Symbol   |
|:---|:---|:---|
| C000237349 | US Treasury 6 Month Bill ETF | XBIL            |

### US Treasury 7 Year Note ETF (Series ID: S000077180)

| Class ID   | Class Name                  | Ticker Symbol   |
|:---|:---|:---|
| C000237350 | US Treasury 7 Year Note ETF | USVN            |

**THE RBB FUND, INC.**

**US Treasury 30 Year Bond ETF \| (Nasdaq: UTHY)**

**US Treasury 20 Year Bond ETF \| (Nasdaq: UTWY)**

**US Treasury 10 Year Note ETF \| (Nasdaq: UTEN)**

**US Treasury 7 Year Note ETF \| (Nasdaq: USVN)**

**US Treasury 5 Year Note ETF \| (Nasdaq: UFIV)**

**US Treasury 3 Year Note ETF \| (Nasdaq: UTRE)**

**US Treasury 2 Year Note ETF \| (Nasdaq: UTWO)**

**US Treasury 12 Month Bill ETF \| (Nasdaq: OBIL)**

**US Treasury 6 Month Bill ETF \| (Nasdaq: XBIL)**

**US Treasury 3 Month Bill ETF \| (Nasdaq: TBIL)**

**(each, a "Fund" and together, the "Funds")**

**______________________________________________________________________**

**Supplement dated June 6, 2025**

**to the Prospectus and Statement of Additional Information, each dated December 31, 2024, as supplemented**

 **______________________________________________________________________**

*This supplement serves as notification of the following changes:*

**1.** **Changes in the Names of the Funds** 

Effective as of July 1, 2025, the name of each Fund is being changed as shown below. The investment objective and the investment strategies of each Fund are not being changed in connection with the name change for the Fund and the current portfolio managers will continue to manage each Fund subject to the current investment objective and investment strategies that they employ with respect to their management of the Fund. The ticker symbols for the Funds will not change.

---

| | |
|:---|:---|
| **<u>Current Name</u>** | **<u>New Name</u>** |
| **US Treasury 30 Year Bond ETF** | **F/m US Treasury 30 Year Bond ETF** |
| **US Treasury 20 Year Bond ETF** | **F/m US Treasury 20 Year Bond ETF** |
| **US Treasury 10 Year Note ETF** | **F/m US Treasury 10 Year Note ETF** |
| **US Treasury 7 Year Note ETF** | **F/m US Treasury 7 Year Note ETF** |
| **US Treasury 5 Year Note ETF** | **F/m US Treasury 5 Year Note ETF** |
| **US Treasury 3 Year Note ETF** | **F/m US Treasury 3 Year Note ETF** |
| **US Treasury 2 Year Note ETF** | **F/m US Treasury 2 Year Note ETF** |
| **US Treasury 12 Month Bill ETF** | **F/m US Treasury 12 Month Bill ETF** |
| **US Treasury 6 Month Bill ETF** | **F/m US Treasury 6 Month Bill ETF** |
| **US Treasury 3 Month Bill ETF** | **F/m US Treasury 3 Month Bill ETF** |

---

**\* \* \* \* \***

**Please retain this supplement for your reference.**