---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-002386"
form_type: "8-K"
ticker: null
cik: "0000837852"
company_name: "IDEANOMICS, INC."
filed_at: "2025-01-23T23:59:59+00:00"
generated_at: "2026-05-27T17:55:10.720095+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Ideanomics auditor Grassi resigns; going concern and material weaknesses cited

## Summary
- Grassi & Co. resigned as independent registered accounting firm on January 16, 2025.
- Grassi's 2023 audit report included a going-concern qualification due to recurring losses and cash insufficiency.
- Company does not expect to issue consolidated financial statements for fiscal year ended December 31, 2024.
- Material weaknesses in internal controls were identified, including over revenue recognition, valuation models, and IT general controls.
- No disagreements on accounting principles or practices between Ideanomics and Grassi before resignation.

## SEC filing metadata
- accession: 0001628280-25-002386
- form_type: 8-K
- cik: 0000837852
- company_name: IDEANOMICS, INC.
- filed_at: 2025-01-23T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/837852/000162828025002386/0001628280-25-002386-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/837852/000162828025002386/idex-20250116.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-002386
- JSON: https://secwatch.observer/filing/0001628280-25-002386.json
- Plain text: https://secwatch.observer/filing/0001628280-25-002386.txt

## Key facts
- Auditor Changes
  Grassi & Co. CPAs, P.C. resigned as auditor of IDEANOMICS, INC..
  - Action: resignation
  - Auditor: Grassi & Co. CPAs, P.C.
  source text: (the “Company”, “we”, “us” or “our”) received a letter from Grassi & Co. CPAs, P.C. (“Grassi”), stating that Grassi was resigning from serving as the Company’s independent registered accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/837852/000162828025002386/0001628280-25-002386-index.htm

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