Apple does not (and cannot legally) sell insurance. The base warranty and the extended AppleCare+ warranty cover manufacturers defects. AppleCare+ adds two reduced fee accidental damage repairs/replacements. But nothing from Apple covers loss or theft.
Does your home owners or renters insurance offer any sort of coverage? That might apply. Or if you purchased with a credit card, some offer insurance against loss or theft for a limited time on some types of purchases or purchases over a certain amount.
Question: Stolen iPad pro