$Luminar Technologies (LAZR.US)$ Luminar Technologies Third Quarter 2024 Earnings: EPS Beats Expectations, Revenues Lag
https://finance.yahoo.com/news/luminar-technologies-third-quarter-2024-114803779.html

$Spirit Airlines (SAVE.US)$ So, Form 12b-25 notifies the SEC that an organization will be late in filing a particular report, not bankruptcy.
After reading the news articles, it's literally just speculation that they might file for bankruptcy due to both companies mutually agreeing to pull out of the merger deal because they wouldn't be able achieve the deal before the July deadline. There's talks of them restructuring, but nothing from them about filing for bankruptcy.