LanzaTech Global, Inc. (LNZA): auditor change — LanzaTech dismisses Deloitte, names BDO as auditor; prior reports flagged going-concern doubt

LanzaTech Global, Inc.

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.

item 4.01 item 9.01

Key facts

Extracted from this filing and checked against the source text.

Auditor Changes SEC 8-K Item 4.01/4.02 confidence 0.9

LanzaTech Global, Inc. engaged BDO USA, P.C. as its auditor.

Action: engagement
Auditor: BDO USA, P.C.

Exact text from the filing

the Board of Directors of the Company ratified and approved the engagement of BDO as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026, effective April 10, 2026

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Auditor Changes SEC 8-K Item 4.01/4.02 confidence 0.9

LanzaTech Global, Inc. dismissed Deloitte as its auditor.

Action: dismissal
Auditor: Deloitte
Successor: BDO USA, P.C.

Exact text from the filing

the Board of Directors of LanzaTech Global, Inc. ratified and approved the dismissal of Deloitte as the Company’s independent registered public accounting firm, effective April 10, 2026

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19 auditor changes filed in the last 30 days. Browse all auditor changes →

LanzaTech Global, Inc. filing history →

Source: SEC EDGAR

accession 0001628280-26-025865

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