NB Bancorp (NBBK) EVP receives 6,874-share restricted stock award

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Form Type

Rhea-AI Filing Summary

EVANGELISTA PAUL A reported acquisition or exercise transactions in this Form 4 filing.

NB Bancorp, Inc. executive Paul A. Evangelista, EVP and Director of the Special Banking Center, received a grant of 6,874 shares of restricted common stock on February 25, 2026 at a stated price of $0.00 per share. After this award, his direct common stock holdings total 33,440 shares.

The restricted shares vest in equal installments of 33 1/3% per year, beginning on February 25, 2027. The filing also shows indirect holdings of 14,743 shares through a 401(k) plan and 3,588 shares through an ESOP as of the same date, with a footnote indicating these reflect transactions not required to be reported under Section 16.

Insider Trade Summary

Net Buyer: 6,874 shares

Net Buy 3 txns

Insider EVANGELISTA PAUL A

Role EVP, Dir Spec. Bank. Ctr.

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	6,874	$0.00	$0.00
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 33,440 shares (Direct); Common Stock — 14,743 shares (Indirect, By 401(k)); Common Stock — 3,588 shares (Indirect, By ESOP)

Footnotes (2)

F1. Shares of restricted stock vest at a rate of 33 1/3% per year commencing on February 25, 2027.
F2. Reflects transactions not required to be reported pursuant to Section 16 of the Securities Act of 1934, as amended.

FAQ

What did NB Bancorp (NBBK) report in this Form 4 for Paul A. Evangelista?

NB Bancorp reported that executive Paul A. Evangelista received a grant of 6,874 shares of restricted common stock. This award increased his directly held NB Bancorp common stock to 33,440 shares as of February 25, 2026.

How do Paul A. Evangelista’s new restricted NB Bancorp (NBBK) shares vest?

The 6,874 restricted NB Bancorp shares vest in three equal annual installments. Specifically, 33 1/3% of the award vests each year, starting on February 25, 2027, providing a multi‑year equity incentive for the executive.

What is the total direct NB Bancorp (NBBK) ownership for Paul A. Evangelista after this grant?

After the restricted stock grant, Paul A. Evangelista directly owns 33,440 NB Bancorp common shares. This figure includes the newly awarded 6,874 restricted shares reported as of the February 25, 2026 transaction date.

What indirect NB Bancorp (NBBK) holdings does Paul A. Evangelista have?

The Form 4 shows 14,743 NB Bancorp common shares held indirectly through a 401(k) plan and 3,588 shares held indirectly through an ESOP. These indirect positions are separate from his directly owned shares reported in the filing.

Were all transactions in Paul A. Evangelista’s NB Bancorp (NBBK) Form 4 required under Section 16?

A footnote states certain entries reflect transactions not required to be reported under Section 16 of the Securities Exchange Act. The core reportable event is the 6,874-share restricted stock grant on February 25, 2026.

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Accepted by SEC EDGAR 02/27/2026 - 11:16 AM

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^*

EVANGELISTA PAUL A

(Last)

(First)

(Middle)

1063 GREAT PLAIN AVE

(Street)

NEEDHAM

02492

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
NB Bancorp, Inc. [ NBBK ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	EVP, Dir Spec. Bank. Ctr.

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/25/2026		A		6,874⁽¹⁾	A	$0	33,440	D
Common Stock								14,743⁽²⁾	I	By 401(k)
Common Stock								3,588⁽²⁾	I	By ESOP

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Shares of restricted stock vest at a rate of 33 1/3% per year commencing on February 25, 2027.

2. Reflects transactions not required to be reported pursuant to Section 16 of the Securities Act of 1934, as amended.

	/s/ Steven Lanter, pursuant to power of attorney	02/27/2026
	** 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.

Source: View Original Filing on SEC EDGAR