Mark C. McKenna - Dec 1, 2021 Form 4 Insider Report for Prometheus Biosciences, Inc. (RXDX)

Role
Chairman, President & CEO, Director
Signature
/s/ Timothy K. Andrews, attorney-in-fact for Mark C. McKenna
Stock symbol
RXDX
Transactions as of
Dec 1, 2021
Transactions value $
$44,660
Form type
4
Date filed
12/3/2021, 06:02 PM
Previous filing
Nov 16, 2021
Next filing
May 20, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RXDX Common Stock Options Exercise $44.7K +15.4K $2.90* 15.4K Dec 1, 2021 Direct

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) Options Exercise $0 -15.4K -11.17% $0.00 123K Dec 1, 2021 Common Stock 15.4K $2.90 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 25% of the shares subject to the option vested on September 9, 2020, and 1/48th of the shares subject to the option vest monthly thereafter, subject to the Reporting Person's continued service with the Issuer through each vest date.