# EDGAR Filing Document

**Accession Number:** 0001032011
**File Stem:** 0001437749-25-038049
**Filing Date:** 2025-12
**Character Count:** 7167
**Document Hash:** 5ec2825322b08397b7148932f71d669c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001437749-25-038049.hdr.sgml**: 20251216

**ACCESSION NUMBER**: 0001437749-25-038049

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251216

**DATE AS OF CHANGE**: 20251216

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMERICAN SHARED HOSPITAL SERVICES
- **CENTRAL INDEX KEY:** 0000744825
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-MEDICAL LABORATORIES [8071]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 942918118
- **STATE OF INCORPORATION:** CA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-36214
- **FILM NUMBER:** 251576516

**BUSINESS ADDRESS:**
- **STREET 1:** 601 MONTGOMERY STREET
- **STREET 2:** SUITE 1112
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94111
- **BUSINESS PHONE:** 415-788-5300

**MAIL ADDRESS:**
- **STREET 1:** 601 MONTGOMERY STREET
- **STREET 2:** SUITE 1112
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94111
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RUFFLE JOHN F
- **CENTRAL INDEX KEY:** 0001032011

**ORGANIZATION NAME:**

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

**MAIL ADDRESS:**
- **STREET 1:** 77 PLEASANTVILLE ROAD
- **CITY:** NEW VERNON
- **STATE:** NJ
- **ZIP:** 07976

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 5)**

**AMERICAN SHARED HOSPITAL SERVICES**

*(Name of Issuer)*

**Common Stock, no par value**

*(Title of Class of Securities)*

**029595105**

*(CUSIP Number)*

**John F. Ruffle**<br>603 Mountain Avenue<br>Apartment 231<br>New Providence NJ 07974<br>(973) 769-1232

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

**09/29/2025**

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

| **CUSIP No.** | **029595105** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**RUFFLE JOHN F** | Name of reporting person<br>**RUFFLE JOHN F** | |
| 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>**0.00** |
| 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>**0.00** |
| 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>**0.00** | Aggregate amount beneficially owned by each reporting person<br>**0.00** | |
| 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>**0.0%** | Percent of class represented by amount in Row (11)<br>**0.0%** | |
| 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, no par value

**(b) Name of Issuer:**
AMERICAN SHARED HOSPITAL SERVICES

**(c) Address of Issuer's Principal Executive Offices:**
601 MONTGOMERY STREET, SUITE 850, SAN FRANCISCO, CA, 94111

This Schedule 13D/A constitutes Amendment No. 5 (this "Schedule 13D/A No. 5") to the Schedule 13D originally filed by John F. Ruffle ("Mr. Ruffle") with the Securities and Exchange Commission (the "SEC") on June 27, 2011, and amended by Schedules 13D/A filed on June 18, 2014, October 27, 2014, January 20, 2016, and December 18, 2023 (as amended, the "Original Schedule 13D") with respect to the common stock, no par value (the "Common Stock"), of American Shared Hospital Services, a California corporation (the "Issuer"). Only those items that are reported in this Schedule 13D/A No. 5 are amended; all other items reported in the Original Schedule 13D remain unchanged. Information given in response to each item shall be deemed incorporated by reference in all other items, as applicable. Capitalized terms used but not defined in this Schedule 13D/A No. 5 have the meanings given to them in the Original Schedule 13D.

**Item 4. Purpose of Transaction**

The information reported in Item 3 of this Schedule 13D is incorporated by reference into this Item 4 to the extent applicable. Mr. Ruffle donated the Transferred Shares to the Foundation for estate planning and charitable purposes.

Mr. Ruffle does not have any current plans or proposals that relate to or would result in any of the matters specified in subparagraphs (a) through (j) of Item 4 of Schedule 13D. Mr. Ruffle reserves the right to increase or decrease his position in the Issuer through, among other things, the purchase or sale of securities of the Issuer on the open market, in private transactions, or otherwise, on such terms and at such times as Mr. Ruffle may deem advisable.

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

**(a)**
As of the filing date of this Schedule 13D/A No. 5 (the "Filing Date"), and following the transfer of all of Mr. Ruffle's shares of Common Stock to the Foundation, Mr. Ruffle does not beneficially own any shares of Common Stock, representing 0% of the issued and outstanding shares of the Issuer's Common Stock.

**(b)**
As of the Filing Date, Mr. Ruffle does not have the power to vote or to direct the voting of, and to dispose or to direct the disposition of, any shares of Common Stock.

**(c)**
Except for Mr. Ruffle's transfer to the Foundation disclosed in this Schedule 13D/A No. 5, Mr. Ruffle has not effected any transactions in the Issuer's Common Stock during the past 60 days.

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

There are no contracts, arrangements, understandings, or similar relationships between Mr. Ruffle and any other person with respect to the securities 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:** RUFFLE JOHN F

**Signature:** /s/ John F. Ruffle

**Name/Title:** John F. Ruffle

**Date:** 12/16/2025