What Shriya N. said..and you could also take it a step further to research the company for publicized layoffs and/or LinkedIn posts from employees sharing the news. Often, when someone is laid off, they don’t have another job lined up and might be on severance so they’ll keep their employer as “present” (i.e. job change signals won’t catch this). However, if active on LinkedIn, they usually post about it to spread the news/get prospects etc