Mark C. McKenna - 02 Jun 2023 Form 4 Insider Report for Prometheus Biosciences, Inc.

Role
Chairman, President & CEO, Director
Signature
/s/ Timothy K. Andrews, attorney-in-fact for Mark C. McKenna
Issuer symbol
N/A
Transactions as of
02 Jun 2023
Net transactions value
+$355,336
Form type
4
Filing time
02 Jun 2023, 19:13:46 UTC
Previous filing
17 Mar 2023
Next filing
16 Jun 2023
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RXDX Common Stock Options Exercise $355,331 +122,528 +222% $2.90* 177,672 02 Jun 2023 Direct F1
transaction RXDX Common Stock Options Exercise $5.1 +3 +0% $1.70* 178,036 02 Jun 2023 Direct F1, F2

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 -122,528 -43% $0.000000 161,105 02 Jun 2023 Common Stock 122,528 $2.90 Direct F1, F3
transaction RXDX Stock Option (Right to Buy) Options Exercise $0 -3 -0% $0.000000 132,741 02 Jun 2023 Common Stock 3 $1.70 Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction represents an exercise and hold of stock options by the Reporting Person for tax planning purposes.
F2 Includes a total of 361 shares of the Issuer's common stock acquired pursuant to the Issuer's Employee Stock Purchase Plan.
F3 25% of the shares subject to the option vested and became exercisable on September 9, 2020, and 1/48th of the shares subject to the option vesting monthly thereafter, subject to the Report Person's continued service with the Issuer through each vest date.
F4 25% of the shares subject to the option vested and became exercisable on March 27, 2021, and 1/48th of the shares subject to the option vesting monthly thereafter, subject to the Report Person's continued service with the Issuer through each vest date.