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Red Flags

Filings a company makes when something has gone wrong, or is about to: a missed reporting deadline (NT 10-K/Q), a delisting from its exchange (Form 25), a deregistration that ends SEC reporting altogether (Form 15), or an insider's notice of intent to sell restricted stock (Form 144). Any one can be routine — Form 144s are filed constantly, and a late filing is sometimes just a late filing — so what is worth reading here is the pattern and the timing.

Late filings · 6 Delistings · 1 Insider sale notices · 1
Warning Late filing notice — 10-Q November 17, 2025

LanzaTech Global, Inc. (the “Company”) is filing this Notification of Late Filing on Form 12b-25 with respect to its Quarterly Report on Form 10-Q for its fiscal quarter ended September 30, 2025 (t...

Warning Late filing notice — 10-Q August 15, 2025

LanzaTech Global, Inc. (the “Company”) is filing this Notification of Late Filing on Form 12b-25 with respect to its Quarterly Report on Form 10-Q for its fiscal quarter ended June 30, 2025 (the “F...

6 more red-flag filings behind a free account

See every red-flag filing Lanzatech Global Inc has made, with the filing behind each one.

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