NB Bancorp (NBBK) EVP Schulman files Form 3 showing no common stock holdings

Rhea-AI Filing Summary

NB Bancorp, Inc. officer Matthew G. Schulman filed an initial Form 3 reporting his ownership of the company’s common stock. As EVP and President of Needham Private Bank, he reports 0 shares of Common Stock beneficially owned directly following this filing, indicating no current equity holdings.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Schulman Matthew G

Role EVP, President Needham Prv Bnk

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 0 shares (Direct)

Footnotes (1)

Key Figures

Common stock holdings: 0.0000 shares

1 metrics

Common stock holdings 0.0000 shares Total shares following transaction for Common Stock

Key Terms

Form 3, Common Stock, EVP, President Needham Prv Bnk

3 terms

Form 3 regulatory

"INSIDER FILING DATA (Form 3): initial ownership report for insiders"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

Common Stock financial

"security_title: "Common Stock" reported for NB Bancorp, Inc."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

EVP, President Needham Prv Bnk financial

"officer_title: "EVP, President Needham Prv Bnk" for Schulman"

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Schulman Matthew G

(Last) (First) (Middle)

1063 GREAT PLAIN AVE

(Street)

NEEDHAM MASSACHUSETTS 02492

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/02/2026

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

3a. Foreign Trading Symbol

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, President Needham Prv Bnk

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	0	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Steven Lanter, pursuant to power of attorney	03/30/2026
	** 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 5 (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.
* Form 3: SEC 1473 (03-26)

FAQ

What does Matthew G. Schulman’s Form 3 filing for NBBK show?

The Form 3 filing shows that Matthew G. Schulman currently reports owning 0 shares of NB Bancorp, Inc. common stock. It is an initial statement of beneficial ownership, establishing his baseline position as an officer with no reported equity holdings.

Who is Matthew G. Schulman in relation to NB Bancorp, Inc. (NBBK)?

Matthew G. Schulman is an officer of NB Bancorp, Inc., serving as EVP, President Needham Private Bank. His Form 3 filing identifies his role and discloses his initial beneficial ownership position in the company’s common stock, which is reported as zero shares.

Does the NBBK Form 3 indicate any insider buying or selling by Schulman?

The Form 3 does not indicate insider buying or selling. It classifies the entry as a holding record with an unknown transaction code and shows a total of 0 shares of common stock owned after the reported date, reflecting no equity position.

What security is reported in Matthew G. Schulman’s NBBK Form 3?

The filing reports holdings in Common Stock of NB Bancorp, Inc. As of the reported date, Schulman lists total shares following the transaction as zero, meaning he does not report any beneficial ownership of this common stock at that time.

How many NB Bancorp (NBBK) shares does Schulman report after the Form 3 entry?

He reports 0.0000 shares of NB Bancorp, Inc. common stock following the Form 3 entry. This establishes that, at the time of this initial ownership statement, he has no directly reported beneficial holdings in the company’s common equity.