---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-22-025503"
form_type: "8-K"
ticker: "ACFN"
cik: "0000880984"
company_name: "ACORN ENERGY, INC."
filed_at: "2022-09-09T23:59:59+00:00"
generated_at: "2026-06-23T12:23:44.183121+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Acorn Energy replaces auditor Friedman with Marcum after firm combination

## Summary
- Friedman LLP combined with Marcum LLP effective September 1, 2022; Acorn dismissed Friedman and engaged Marcum on September 8, 2022.
- No disagreements with Friedman on accounting principles or audit scope for fiscal years 2020 and 2021 or subsequent interim period.
- No adverse opinions or qualifications in Friedman's reports on Acorn's financial statements for the past two fiscal years.

## SEC filing metadata
- accession: 0001493152-22-025503
- form_type: 8-K
- ticker: ACFN
- cik: 0000880984
- company_name: ACORN ENERGY, INC.
- filed_at: 2022-09-09T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/880984/000149315222025503/0001493152-22-025503-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/880984/000149315222025503/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-22-025503
- JSON: https://secwatch.observer/filing/0001493152-22-025503.json
- Plain text: https://secwatch.observer/filing/0001493152-22-025503.txt

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