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

LanzaTech Global, Inc.

Deloitte & Touche dismissed as auditor effective April 10, 2026; BDO USA appointed for FY2026.
No disagreements with Deloitte on accounting principles or audit scope; no restatements.
Deloitte's reports for 2024 and 2025 each included an explanatory paragraph about substantial doubt as a going concern.
Material weaknesses in internal controls previously disclosed related to complex transactions, estimates, and revenue recognition.
Company requested Deloitte to provide a letter to SEC; to be filed as exhibit within 2-10 business days.

item 4.01

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. dismissed Deloitte & Touche LLP as its auditor.

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

Exact text from the filing

upon the recommendation and approval of the Audit Committee of the Board of Directors (the “Audit Committee”), the Board of Directors of LanzaTech Global, Inc. (the “Company”) ratified and approved the dismissal of Deloitte & Touche LLP (“Deloitte”) as the Company’s independent registered public accounting firm, effective April 10, 2026.

View on SEC.gov

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

upon the recommendation and approval of the Audit Committee, the Board of Directors of the Company ratified and approved the engagement of BDO USA, P.C. (“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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19 auditor changes filed in the last 30 days. Browse all auditor changes →

LanzaTech Global, Inc. filing history →

Source: SEC EDGAR

accession 0001628280-26-025564

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