Robert Guarnieri - 31 Oct 2025 Form 4 Insider Report for CFSB Bancorp, Inc. /MA/ (CFSB)

Role
Director
Signature
/s/ Scott Brown, pursuant to power of attorney
Issuer symbol
CFSB
Transactions as of
31 Oct 2025
Net transactions value
$0
Form type
4
Filing time
31 Oct 2025, 16:06:50 UTC
Previous filing
23 Feb 2023

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Guarnieri Robert Director 15 BEACH STREET, QUINCY /s/ Scott Brown, pursuant to power of attorney 31 Oct 2025 0001903636

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CFSB Common Stock Disposed to Issuer -16,000 -100% 0 31 Oct 2025 Direct F1, F2
transaction CFSB Common Stock Disposed to Issuer -2,500 -100% 0 31 Oct 2025 By Spouse F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CFSB Stock Options Disposed to Issuer -14,000 -100% 0 31 Oct 2025 Common Stock 14,000 $9.09 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Robert Guarnieri is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id Content
F1 Pursuant to the Agreement and Plan of Merger dated as of May 20, 2025, by and among Hometown Financial Group, MHC, Hometown Financial Group, Inc., Hometown Financial Acquisition Corp. II, 15 Beach, MHC and the Issuer (the "Merger Agreement"), at the Effective Time (as defined in the Merger Agreement), each issued and outstanding share of Common Stock of the Issuer was converted automatically into the right to receive cash in an amount equal to $14.25 per share without interest (the "Merger Consideration").
F2 Pursuant to the Merger Agreement, all unvested shares of restricted stock automatically vested in full at the Effective Time, and were considered outstanding shares of common stock entitled to receive the Merger Consideration, net of all applicable withholding taxes.
F3 Pursuant to the Merger Agreement, each outstanding and unexercised option immediately prior to the Effective Time, whether vested or unvested, was cancelled in exchange for the right to receive an amount in cash equal to the product of (i) the excess, if any, of the Merger Consideration over the per share exercise price of such option, multiplied by (ii) the number of shares of Common Stock then subject to such option, net of all applicable withholding taxes.