---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-043642"
form_type: "8-K"
ticker: "PESI"
cik: "0000891532"
company_name: "PERMA FIX ENVIRONMENTAL SERVICES INC"
filed_at: "2026-09-22T11:00:36+00:00"
generated_at: "2026-09-22T11:05:18.573484+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "low"
source: SEC EDGAR
---

# Perma-Fix publishes updated September 2026 investor presentation; no financial details disclosed

## Summary
- Perma-Fix made available an updated investor presentation dated September 2026.
- Presentation posted on company's website; no specific revenue, EPS, or guidance figures cited.
- Announcement provides no new operational or strategic details beyond presentation availability.

## SEC filing metadata
- accession: 0001493152-26-043642
- form_type: 8-K
- ticker: PESI
- cik: 0000891532
- company_name: PERMA FIX ENVIRONMENTAL SERVICES INC
- filed_at: 2026-09-22T11:00:36+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.1
- calibrated_materiality_score: 0.1
- confidence: low
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/891532/000149315226043642/0001493152-26-043642-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/891532/000149315226043642/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-043642
- JSON: https://secwatch.observer/filing/0001493152-26-043642.json
- Plain text: https://secwatch.observer/filing/0001493152-26-043642.txt

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