# EDGAR Filing Document

**Accession Number:** 0001879103
**File Stem:** 0000943374-25-000451
**Filing Date:** 2025-10
**Character Count:** 5099
**Document Hash:** 57dfd09e3fe552cb086f1ac34a7d7c9f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000943374-25-000451.hdr.sgml**: 20251031

**ACCESSION NUMBER**: 0000943374-25-000451

**CONFORMED SUBMISSION TYPE**: S-8 POS

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251031

**DATE AS OF CHANGE**: 20251031

**EFFECTIVENESS DATE**: 20251031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CFSB Bancorp, Inc. /MA/
- **CENTRAL INDEX KEY:** 0001879103
- **STANDARD INDUSTRIAL CLASSIFICATION:** SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** S-8 POS
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-269908
- **FILM NUMBER:** 251441099

**BUSINESS ADDRESS:**
- **STREET 1:** 15 BEACH STREET
- **CITY:** QUINCY
- **STATE:** MA
- **ZIP:** 02170
- **BUSINESS PHONE:** (617) 471-0750

**MAIL ADDRESS:**
- **STREET 1:** 15 BEACH STREET
- **CITY:** QUINCY
- **STATE:** MA
- **ZIP:** 02170

#### Registration No. 333-269908

#### <br>
**As filed with the Securities and Exchange Commission on October 31, 2025**

**** 

<br> **UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

___________________

**** 

<br> **POST-EFFECTIVE AMENDMENT NO. 1 TO** 

#### FORM S-8

#### REGISTRATION STATEMENT

#### UNDERTHE SECURITIES ACT OF 1933

#### <br>

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| | |
|:---|:---|
| **CFSB Bancorp, Inc.** | **CFSB Bancorp, Inc.** |
| (Exact name of registrant as specified in its charter) | (Exact name of registrant as specified in its charter) |
| **United States of America** | **87-4396534** |
| (State or other jurisdiction<br> of incorporation or organization)<br>**15 Beach Street**<br> **Quincy, Massachusetts**<br> (Address of Principal Executive Offices)<br>| I.R.S. Employer Identification No.<br>**02170**<br> (Zip Code) |
| **CFSB Bancorp, Inc. 2023 Equity Incentive Plan** | **CFSB Bancorp, Inc. 2023 Equity Incentive Plan** |
| (Full Title of the Plan) | (Full Title of the Plan) |

---

Copies to:

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| | |
|:---|:---|
| Michael E. McFarland<br> President and Chief Executive Officer<br> CFSB Bancorp, Inc.<br> 15 Beach Street<br> Quincy, Massachusetts 02170<br> (617) 471-0750<br> (Name, Address and Telephone<br> Number of Agent for Service) | Thomas P. Hutton, Esq.<br> Scott A. Brown, Esq.<br> Luse Gorman, PC<br> 5335 Wisconsin Avenue, Suite 780<br> Washington, D.C. 20015<br> (202) 274-2000 |

---

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☐ Accelerated filer ☐ <br> Non-accelerated filer ⌧ Smaller reporting company ⌧ <br> Emerging growth company ⌧

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐

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#### EXPLANATORY NOTE
This Post-Effective Amendment relates to the following registration statement ("Registration Statement") filed with the Securities and Exchange Commission on February 22, 2023, by CFSB Bancorp, Inc., a federal corporation (the "Registrant").

Registration Statement on Form S-8, File No. 333-269908, registering 447,384 shares of CFSB Bancorp, Inc. common stock, par value $0.01 per share, for issuance under the CFSB Bancorp, Inc. 2023 Equity Incentive Plan.

The Registrant intends to terminate and suspend all reporting obligations with the Securities and Exchange Commission under the Securities Exchange Act of 1934, as amended. Accordingly, pursuant to the undertaking contained in the Registration Statement to remove from registration by means of a post-effective amendment any of the securities that remain unsold at the termination of the offering, the Registrant hereby amends the Registration Statement by deregistering all shares that remain unsold under the Registration Statement.

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#### SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, and Rule 478 thereunder, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing this Registration Statement on Form S-8 and has duly caused this Registration Statement on Form S-8 to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Quincy, Commonwealth of Massachusetts, on this 31<sup>st</sup> day of October, 2025.

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| | |
|:---|:---|
|  | **CFSB BANCORP, INC.** |
| By: <br>| <u>/s/ Michael E. McFarland</u> |
|  | Michael E. McFarland |
|  | President and Chief Executive Officer |
|  | (Duly Authorized Representative) |

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No other person is required to sign this Post-Effective Amendment to the Registration Statement in reliance upon Rule 478 of the Securities Act.