---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-009464"
form_type: "8-K"
ticker: "AMS"
cik: "0000744825"
company_name: "AMERICAN SHARED HOSPITAL SERVICES"
filed_at: "2024-03-27T23:59:59+00:00"
generated_at: "2026-06-04T07:29:13.976036+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# American Shared Hospital Services founder Ernest A. Bates dies at 87

## Summary
- Dr. Bates passed away on March 19, 2024, at age 87; he founded the Company in 1977.
- He served as Chairman from 1977 to Dec 2021, CEO from 1977 to May 2020, and as a director at death.
- Company Executive Chairman Ray Stachowiak praised Dr. Bates as a visionary and pioneer in medical technology.
- No changes to leadership or operations announced; Board continues with current composition.

## SEC filing metadata
- accession: 0001437749-24-009464
- form_type: 8-K
- ticker: AMS
- cik: 0000744825
- company_name: AMERICAN SHARED HOSPITAL SERVICES
- filed_at: 2024-03-27T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/744825/000143774924009464/0001437749-24-009464-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/744825/000143774924009464/asha20240325_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-009464
- JSON: https://secwatch.observer/filing/0001437749-24-009464.json
- Plain text: https://secwatch.observer/filing/0001437749-24-009464.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.