[Form 4] Blue Foundry Bancorp Insider Trading Activity

Rhea-AI Filing Summary

Blue Foundry Bancorp executive Roselle Acela reported routine share withholding for taxes and updated her holdings. On 02/01/2026, 548 shares of common stock were withheld by the company at $13.15 per share to satisfy tax obligations, leaving her with 14,858 shares held directly.

She also reports indirect ownership of 8,694 common shares through the ESOP and 20,000 common shares through a 401(k) plan. In addition, she holds 55,000 stock options for common stock, which vest in equal annual installments over seven years starting on October 19, 2023.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Roselle Acela

Role EVP/Human Resources Director

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	548	$13.15	$7K
holding	Stock Options	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 14,858 shares (Direct); Stock Options — 55,000 shares (Direct); Common Stock — 8,694 shares (Indirect, By ESOP)

Footnotes (1)

1. Represents shares withheld by the issuer to satisfy tax obligations. Stock options vest ratably for seven years commencing on October 19, 2023.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Roselle Acela

(Last) (First) (Middle)

19 PARK AVENUE

(Street)

RUTHERFORD NJ 07070

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Blue Foundry Bancorp [ BLFY ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP/Human Resources Director

3. Date of Earliest Transaction (Month/Day/Year)
02/01/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/01/2026		F		548(1)	D	$13.15	14,858	D
Common Stock								8,694	I	By ESOP
Common Stock								20,000	I	By 401(k)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options	$11.69							10/19/2023	10/19/2032	Common Stock	55,000(2)		55,000	D

Explanation of Responses:

1. Represents shares withheld by the issuer to satisfy tax obligations.

2. Stock options vest ratably for seven years commencing on October 19, 2023.

Remarks:

	/s/ Kelly Pecoraro, pursuant to Power of Attorney	02/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Roselle Acela report for Blue Foundry Bancorp (BLFY)?

Roselle Acela reported that 548 shares of Blue Foundry Bancorp common stock were withheld on February 1, 2026 to satisfy tax obligations. This is a non-open-market transaction typically linked to the vesting of equity awards rather than a discretionary stock sale.

How many Blue Foundry Bancorp (BLFY) shares does Roselle Acela own directly after this filing?

After the February 1, 2026 tax withholding transaction, Roselle Acela directly owns 14,858 shares of Blue Foundry Bancorp common stock. This figure reflects her direct holdings after 548 shares were withheld by the issuer to cover associated tax obligations.

What indirect Blue Foundry Bancorp (BLFY) share holdings does Roselle Acela report?

Roselle Acela reports indirect ownership of 8,694 Blue Foundry Bancorp common shares through an ESOP and 20,000 common shares through a 401(k) plan. These indirect positions are separate from her directly held shares reported in the filing.

What stock options does Roselle Acela hold in Blue Foundry Bancorp (BLFY)?

She holds stock options on 55,000 shares of Blue Foundry Bancorp common stock at an exercise price of $11.69. These options vest ratably over seven years, beginning October 19, 2023, and expire on October 19, 2032, if not exercised earlier.

What does transaction code F mean in the Blue Foundry Bancorp (BLFY) Form 4?

Transaction code F indicates shares were withheld to pay taxes on an equity award. In this case, 548 Blue Foundry Bancorp common shares were withheld at $13.15 per share to satisfy tax obligations, rather than being sold on the open market.

What is Roselle Acela’s role at Blue Foundry Bancorp (BLFY) in this filing?

In this filing, Roselle Acela is identified as an officer of Blue Foundry Bancorp, serving as Executive Vice President and Human Resources Director. She is not listed as a director or a 10% owner based on the reported information.