---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-22-033592"
form_type: "8-K"
ticker: "MLTX"
cik: "0001821586"
company_name: "MoonLake Immunotherapeutics"
filed_at: "2022-06-17T23:59:59+00:00"
generated_at: "2026-06-25T00:59:03.484832+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# MoonLake Immunotherapeutics dismisses Withum and engages Baker Tilly as auditor post-merger

## Summary
- Audit Committee dismissed WithumSmith+Brown as independent auditor effective June 15, 2022.
- Baker Tilly US, LLP was engaged as the new independent registered public accounting firm on the same date.
- Withum's prior reports contained a going-concern paragraph related to the SPAC's pre-merger status; no disagreements or reportable events occurred.
- The business combination with MoonLake AG closed on April 5, 2022, resolving the going-concern uncertainty.

## SEC filing metadata
- accession: 0001213900-22-033592
- form_type: 8-K
- ticker: MLTX
- cik: 0001821586
- company_name: MoonLake Immunotherapeutics
- filed_at: 2022-06-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1821586/000121390022033592/0001213900-22-033592-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1821586/000121390022033592/ea161716-8k_moonlake.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-22-033592
- JSON: https://secwatch.observer/filing/0001213900-22-033592.json
- Plain text: https://secwatch.observer/filing/0001213900-22-033592.txt

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