---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-016933"
form_type: "8-K"
ticker: "AMS"
cik: "0000744825"
company_name: "AMERICAN SHARED HOSPITAL SERVICES"
filed_at: "2026-05-14T15:46:23+00:00"
generated_at: "2026-05-14T15:49:27.253580+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# American Shared Hospital Q1 revenue up 15.9% to $7.1M; adjusted EBITDA +18.4%

## Summary
- Direct patient services revenue rose 30.2% to $4.1M; leasing flat at $3.0M.
- Gross margin expanded to 18.2% from 15.4%; operating loss improved to $(0.9)M from $(1.3)M.
- Gamma Knife procedures +10.1% (229); PBRT treatments +20.7% (1,003).
- Net loss unchanged at $(0.6)M; cash increased to $5.2M from $3.7M at year-end.
- Management reports volumes trending higher into Q2; in talks with lender on debt extension.

## SEC filing metadata
- accession: 0001437749-26-016933
- form_type: 8-K
- ticker: AMS
- cik: 0000744825
- company_name: AMERICAN SHARED HOSPITAL SERVICES
- filed_at: 2026-05-14T15:46:23+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/744825/000143774926016933/0001437749-26-016933-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/744825/000143774926016933/asha20260513_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-016933
- JSON: https://secwatch.observer/filing/0001437749-26-016933.json
- Plain text: https://secwatch.observer/filing/0001437749-26-016933.txt

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