# EDGAR Filing Document

**Accession Number:** 0002072421
**File Stem:** 0000943374-25-000442
**Filing Date:** 2025-10
**Character Count:** 5961
**Document Hash:** 8217da981cada7504df56b5c6360f2df
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000943374-25-000442.hdr.sgml**: 20251021

**ACCESSION NUMBER**: 0000943374-25-000442

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251021

**DATE AS OF CHANGE**: 20251021

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Seneca Bancorp, Inc.
- **CENTRAL INDEX KEY:** 0002072421
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATIONAL COMMERCIAL BANKS [6021]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-95279
- **FILM NUMBER:** 251407074

**BUSINESS ADDRESS:**
- **STREET 1:** 35 OSWEGO STREET
- **CITY:** BALDWINSVILLE
- **STATE:** NY
- **ZIP:** 13027
- **BUSINESS PHONE:** (315) 638-0233

**MAIL ADDRESS:**
- **STREET 1:** 35 OSWEGO STREET
- **CITY:** BALDWINSVILLE
- **STATE:** NY
- **ZIP:** 13027
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Zames Mark
- **CENTRAL INDEX KEY:** 0001807896

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D

**MAIL ADDRESS:**
- **STREET 1:** 35 OSWEGO STREET
- **CITY:** BALDWINSVILLE
- **STATE:** NY
- **ZIP:** 13027

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**Seneca Bancorp, Inc.**

*(Name of Issuer)*

**Common Stock, $0.01 Par Value**

*(Title of Class of Securities)*

**816945109**

*(CUSIP Number)*

**Mark Zames**<br>212 Fayette Street<br>Manlius NY 13104<br>(518) 618-8605

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**10/15/2025**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **816945109** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**Zames Mark** | Name of reporting person<br>**Zames Mark** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**PF** | Source of funds (See Instructions)<br>**PF** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**165023.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**165023.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**165023.00** | Aggregate amount beneficially owned by each reporting person<br>**165023.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**9.2%** | Percent of class represented by amount in Row (11)<br>**9.2%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, $0.01 Par Value

**(b) Name of Issuer:**
Seneca Bancorp, Inc.

**(c) Address of Issuer's Principal Executive Offices:**
35 Oswego Street, Baldwinsville, NY, 13027

**Item 4. Purpose of Transaction**

The shares covered by this Schedule 13D are being held for investment purposes.  Mr. Zames may, from time to time, acquire additional securities of the Issuer using personal funds through a broker and/or privately negotiated transactions or dispose of securities. Mr. Zames does not currently have specific plans or proposals for the Issuer but as a director of the Issuer will continue to evaluate plans or proposals for transactions if applicable such as the acquisition or disposition of securities of the Issuer, mergers or acquisitions relating to the Issuer or its subsidiaries, changes in the board of directors or management of the Issuer, changes in the capitalization or dividend policy of the Issuer, changes in the Issuer's business, changes in the Issuer's Articles of Incorporation or Bylaws or other similar related transactions.

**Item 5. Interest in Securities of the Issuer**

**(a)**
As of the date hereof, Mr. Zames beneficially owns, in the aggregate, 165,023 shares of the Issuer's Common Stock (including 2,789 shares that can be acquired pursuant to stock options within 60 days of October 15, 2025), representing 9.2% of the 1,792,992 shares of the Common Stock deemed outstanding for such purpose.

**(b)**
Mr. Zames has sole voting and dispositive power with respect to 165,023 shares of the Issuer's Common Stock.

**(c)**
The following transactions occurred in the last 60 days:
10/15/2025
Purchase - Direct
25,000 shares
$10.00 per share

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

Mr. Zames is the Chairman of the Board of Directors of the Issuer.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Reporting Person:** Zames Mark

**Signature:** /s/ Mark Zames

**Name/Title:** Mark Zames

**Date:** 10/20/2025