Home / Auditor changes / LanzaTech Global, Inc.
Filed 2026-04-16 路 Form 8-K 路 Accession 0001628280-26-025564 micro
Price before filing: $41.42 (2026-04-15 close, split/dividend-adjusted)
Market cap at flag: $83.3M (2026-04-16) 路 Latest: $10.7M (2026-10-16)
| Window | LNZA | SPY | vs SPY | |
|---|---|---|---|---|
| 30 days | -80.6% | +5.5% | -86.1% | 2026-05-18 |
| 90 days | -85.8% | +8.1% | -93.9% | 2026-07-15 |
| 180 days | -86.8% | +11.7% | -98.5% | 2026-10-13 |
Return from the last close before the filing date to the first close on/after the window end. Pending windows have not fully elapsed. Past performance says nothing certain about the future.
90 days before the flag: 1 insider bought $4.3M (2 purchases, 1 without a usable price)
30 days after: none reported.
| Date | Insider | Type | Shares | Price | Value | 10b5-1 plan | Source |
|---|---|---|---|---|---|---|---|
| 2026-01-21 | Guardians of New Zealand Superannuation 10% owner | Purchase | 860,000 | $5.00 | $4.3M | no | Form 4 |
| 2026-01-21 | Guardians of New Zealand Superannuation 10% owner | Purchase | 109,858 | n/a | n/a | no | Form 4 |
| 2026-04-16: red flag filed | |||||||
Open-market purchases and sales (Form 4 codes P and S) by officers, directors and 10% owners, by transaction date, from 2026-01-16 to 2026-05-16. Excludes option exercises, grants, gifts and tax withholding. Amended filings replace the originals; joint filings count once. Foreign private issuers do not file Form 4. Many insider sales are pre-scheduled (10b5-1 plans) and are not by themselves a sign of wrongdoing.
"(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."
Quoted from the filing. Source
The company changed its outside auditor (8-K Item 4.01). A dismissal or resignation, especially near an annual report or with reported disagreements, is a warning sign. Changes caused by audit firms merging are usually routine.
Type: dismissed
Disagreements reported: no
Former auditor: Deloitte & Touche LLP · New auditor: BDO USA, P.C.
Why this score: also within 90 days: Going-concern doubt
Read the original filing on SEC.gov →
Not investment advice. Automated summary; verify against the filing.
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