It's in reply to a group that has been texting him. He's openly allowed for this exact group to disseminate this information, so he's disclosing information knowing it would be blasted on social media.
Square footage is already in public domain at www.rotmans.com
Employee count is already in public domain at www.glassdoor.com
The progress of the acquisition doesn't speak on specifics of closing date. If a specific date was given, then that would be something to worry about.