secwatch.observer — SEC 8-K summary
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Issuer:     LanzaTech Global, Inc. (LNZA)
CIK:        0001843724
Form:       8-K/A
Filed at:   2026-04-17T23:59:59+00:00
Accession:  0001628280-26-025865
Event type: other_material
Sentiment:  negative
Materiality: 0.70
Item codes: 4.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

LanzaTech dismisses Deloitte, names BDO as auditor; prior reports flagged going-concern doubt
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- Dismissed Deloitte & Touche and engaged BDO USA as independent auditor for FY2026, effective April 10, 2026.
- Deloitte's 2024 and 2025 audit reports included a going-concern explanatory paragraph.
- Material weaknesses in internal controls were identified (complex transactions, revenue recognition, control environment).
- No accounting disagreements with Deloitte; Deloitte provided letter agreeing with company's disclosures.
- No prior consultations with BDO on accounting principles or audit opinions.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1843724/000162828026025865/0001628280-26-025865-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1843724/000162828026025865/amci-20260410.htm
  HTML page:      https://secwatch.observer/filing/0001628280-26-025865

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