Filing Signals

Source: SEC EDGAR Compiled 2026-09-14 08:28 UTC All 21 checks passing

← All events

LanzaTech Global, Inc.

CIK 1843724 LNZA·Manufacturing · All EDGAR filings ↗

Progression

  1. Going concern 10-K
  2. Auditor change 8-K +16d
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Form
An amendment is grouped with the report it amends; every 12b-25 notice is one group

Auditor change SEC item code

LanzaTech Global, Inc. reported a change in its independent accounting firm

The company dismissed the auditor. No disagreements disclosed.

Evidence
Direction
dismissed
Direction label
The company dismissed the auditor
Disagreements disclosed
No
Item code
4.01
Item title
Changes in Registrant's Certifying Accountant
Severity
normal
Source
SEC 8-K item code
Why
The company's independent registered accounting firm changed.

Source filing ↗

Auditor change high SEC item code

LanzaTech Global, Inc. moved from Deloitte to BDO

The company dismissed the auditor. Deloitte → BDO to a smaller firm No disagreements disclosed.

Evidence
Direction
dismissed
Direction label
The company dismissed the auditor
Disagreements disclosed
No
Item code
4.01
Item title
Changes in Registrant's Certifying Accountant
Predecessor auditor
Deloitte
Predecessor tier
big_four
Severity
high
Source
SEC 8-K item code
Successor auditor
BDO
Successor tier
national
Tier downgrade
Yes
Why
The company's independent registered accounting firm changed.

Source filing ↗

Going concern Filing comparison

LanzaTech Global, Inc. said management's plans alleviate substantial doubt about going concern

No going-concern disclosure → Substantial doubt raised, alleviated by management's plans

These conditions and events raise substantial doubt about the Company’s ability to continue as a going concern. The Company is focusing on streamlining its business priorities, taking actions to reduce its cost structure and evaluating other liquidity enhancing initiatives, including pursuing capital raising, partnership or asset-related opportunities, and other strategic options. In accordance with Accounting Standards Update ("ASU") No. 2014-15, “Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern (Subtopic 205-40),” management has evaluated in aggregate the…
Evidence
Blank check
No
Comparable
Yes
Current state
doubt_alleviated
Current state label
Substantial doubt raised, alleviated by management's plans
Direction
escalated
Located in
going-concern note
Prior filed
2025-04-30
Prior form
10-K/A
Prior state
none
Prior state label
No going-concern disclosure
Source
ASC 205-40 going-concern note comparison
Why
Disclosure about the company's ability to continue as a going concern changed compared with its previous report.

Source filing ↗ Prior filing ↗