---
schema_version: "secwatch.filing_event.v1"
accession: "0000034067-24-000146"
form_type: "8-K"
ticker: "BOOM"
cik: "0000034067"
company_name: "DMC Global Inc."
filed_at: "2024-10-21T23:59:59+00:00"
generated_at: "2026-05-30T12:36:53.436051+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# DMC Global revises Q3 guidance downward, records $142M goodwill impairment, and announces leadership changes

## Summary
- Q3 sales expected ~$152M vs prior guidance of $158M-$168M; adjusted EBITDA ~$5M vs $15M-$18M.
- Non-cash goodwill impairment charge of ~$142M associated with Arcadia acquisition.
- Inventory and bad debt charges at DynaEnergetics totaling ~$5M.
- David Aldous resigned as chairman and director; James O'Leary appointed executive chairman, Ouma Sananikone lead independent director.
- Board will no longer actively market DynaEnergetics and NobelClad; prioritizes stability and internal improvement.

## SEC filing metadata
- accession: 0000034067-24-000146
- form_type: 8-K
- ticker: BOOM
- cik: 0000034067
- company_name: DMC Global Inc.
- filed_at: 2024-10-21T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 2.02, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/34067/000003406724000146/0000034067-24-000146-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/34067/000003406724000146/boom-20241016.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000034067-24-000146
- JSON: https://secwatch.observer/filing/0000034067-24-000146.json
- Plain text: https://secwatch.observer/filing/0000034067-24-000146.txt

## Key facts
- Executive change
  James O'Leary was appointed as Executive Chairman at DMC Global Inc..
  - Action: appointed
  - Role: Executive Chairman
  source text: On October 16, 2024, the Board appointed current director James O’Leary as Executive Chairman of the Board (which the Board has determined to be an executive office), and current director Ouma Sananikone as Lead Independent Director, each effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/34067/000003406724000146/0000034067-24-000146-index.htm
- Executive change
  Peter Rose departed as Director at DMC Global Inc..
  - Action: retire
  - Role: Director
  source text: On October 16, 2024, Peter Rose notified the Company of his decision to retire from the Board at the end of his current term.
  evidence_url: https://www.sec.gov/Archives/edgar/data/34067/000003406724000146/0000034067-24-000146-index.htm
- Executive change
  Ouma Sananikone was appointed as Lead Independent Director at DMC Global Inc..
  - Action: appointed
  - Role: Lead Independent Director
  source text: On October 16, 2024, the Board appointed current director James O’Leary as Executive Chairman of the Board (which the Board has determined to be an executive office), and current director Ouma Sananikone as Lead Independent Director, each effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/34067/000003406724000146/0000034067-24-000146-index.htm
- Executive change
  David Aldous resigned as Chairman of the Board at DMC Global Inc..
  - Action: resigned
  - Role: Chairman of the Board
  source text: On October 16, 2024, David Aldous resigned as a member of the Board of Directors of the Company (the “Board”) and ceased to serve as Chairman of the Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/34067/000003406724000146/0000034067-24-000146-index.htm

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