---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-26-015716"
form_type: "8-K"
ticker: "PESI"
cik: "0000891532"
company_name: "PERMA FIX ENVIRONMENTAL SERVICES INC"
filed_at: "2026-04-08T23:59:59+00:00"
generated_at: "2026-05-15T06:57:55.324926+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.1
calibrated_materiality_score: 0.1
confidence: "low"
source: SEC EDGAR
---

# Perma-Fix to present at Gabelli Waste & Environmental Services Symposium on April 9, 2026

## Summary
- CEO and CFO will present at Gabelli Funds' 12th Annual Waste & Environmental Services Symposium.
- Company's updated investor presentation (April 2026) was furnished as Exhibit 99.1.
- Presentation will be posted on Perma-Fix's website after the symposium.
- No specific financial or operational updates disclosed in the filing itself.

## SEC filing metadata
- accession: 0001493152-26-015716
- form_type: 8-K
- ticker: PESI
- cik: 0000891532
- company_name: PERMA FIX ENVIRONMENTAL SERVICES INC
- filed_at: 2026-04-08T23:59:59+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/891532/000149315226015716/0001493152-26-015716-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/891532/000149315226015716/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-26-015716
- JSON: https://secwatch.observer/filing/0001493152-26-015716.json
- Plain text: https://secwatch.observer/filing/0001493152-26-015716.txt

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