---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-199766"
form_type: "8-K/A"
ticker: "DDD"
cik: "0000910638"
company_name: "3D SYSTEMS CORP"
filed_at: "2024-08-13T23:59:59+00:00"
generated_at: "2026-05-31T09:55:38.164651+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# 3D Systems dismisses BDO as auditor, appoints Deloitte; discloses material weaknesses

## Summary
- BDO's dismissal effective Aug 13, 2024, after completing 2023 audit; Deloitte & Touche LLP named successor.
- One resolved disagreement over accounting for non-reimbursed expenses on a revenue contract.
- Five material weaknesses in internal control over financial reporting disclosed, including revenue process and control environment.
- Company is currently remediating the material weaknesses; BDO reports for 2022-2023 were unqualified.
- Audit committee conducted competitive RFP process leading to auditor change.

## SEC filing metadata
- accession: 0001193125-24-199766
- form_type: 8-K/A
- ticker: DDD
- cik: 0000910638
- company_name: 3D SYSTEMS CORP
- filed_at: 2024-08-13T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/910638/000119312524199766/0001193125-24-199766-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/910638/000119312524199766/d853579d8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-199766
- JSON: https://secwatch.observer/filing/0001193125-24-199766.json
- Plain text: https://secwatch.observer/filing/0001193125-24-199766.txt

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