Fred Hassan - May 19, 2022 Form 4 Insider Report for Prometheus Biosciences, Inc. (RXDX)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RXDX	Stock Option (Right to Buy)	Award	$0	+21K		$0.00	21K	May 19, 2022	Common Stock	21K	$29.02	Direct	F1

Showing 1 to 1 of 1 entries

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	The shares subject to the option will vest in full upon the earlier to occur of (i) the first anniversary of the grant date or (ii) the Issuer's next annual meeting of stockholders following the grant date, subject to the Reporting Person's continued service with the Issuer on such vesting date.