[Form 3] Seneca Bancorp, Inc. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Seneca Bancorp (SNNF) reported an insider ownership update. A company director filed an initial Form 3 stating beneficial ownership of 4,387 shares of common stock, held directly.

The event date was 10/15/2025, and the filing was made by one reporting person. The submission shows no derivative securities in Table II.

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

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1. Name and Address of Reporting Person^*

Duteau Michael

(Last) (First) (Middle)

35 OSWEGO STREET

(Street)

BALDWINSVILLE NY 13027

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/15/2025

3. Issuer Name and Ticker or Trading Symbol
Seneca Bancorp, Inc. [ SNNF ]

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. 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 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	4,387	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/ Benjamin M. Azoff, pursuant to power of attorney	10/15/2025
	** 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.

FAQ

What did Seneca Bancorp (SNNF) disclose in this Form 3?

A director filed an initial beneficial ownership statement reporting 4,387 shares of common stock held directly.

What is the relationship of the reporting person to SNNF?

The reporting person is a director of Seneca Bancorp.

How many shares does the reporting person own?

The filing lists 4,387 shares of common stock beneficially owned.

Is the ownership direct or indirect?

The shares are held directly.

Were any derivative securities reported?

No. Table II shows no derivative securities reported.

What is the event date for this Form 3?

The event date is 10/15/2025.