STENHOUSE MARK (Chief Operating Officer) reported 2 transactions at PROMETHEUS BIOSCIENCES, INC.

Review the transaction codes below to understand the nature of each event.

STENHOUSE MARK

Filed: 6/16/2023ACC: 0000899243-23-015761

InsiderSTENHOUSE MARKCIK 1734751

→

IssuerPROMETHEUS BIOSCIENCES, INC.CIK 1718852

Officer· Chief Operating Officer

Since Mar 2021

-497.79K

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

497.79K disposed

Non-Derivative Transactions2

Common Stock

Direct

D · Disposition

−12.75K

Price / share

—

Trade value

—

% of position

New position

6/16/2023

12.75K→0.00

Common Stock

Indirect

D · Disposition

−14K

Price / share

—

Trade value

—

% of position

New position

6/16/2023

14K→0.00

Total

Net shares

−26.75K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	6/16/2023	D · Disposition	−12.75K	—	—	New position	12.75K	0.00
Common Stock Indirect	6/16/2023	D · Disposition	−14K	—	—	New position	14K	0.00
Total			−26.75K		$0.00

Derivative Transactions5

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

40K shares

−40K

Strike price

0.50

Held after

0.00

Exercisable

—

6/16/2023

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

240K shares

−240K

Strike price

6.70

Held after

0.00

Exercisable

—

6/16/2023

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

70.37K shares

−70.37K

Strike price

36.32

Held after

0.00

Exercisable

—

6/16/2023

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

86.58K shares

−86.58K

Strike price

29.56

Held after

0.00

Exercisable

—

6/16/2023

Stock Option (right to buy)

Direct

D · Disposition

Converts to

Common Stock

34.09K shares

−34.09K

Strike price

110.20

Held after

0.00

Exercisable

—

6/16/2023

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable
Stock Option (right to buy) Direct	Common Stock40K shares	6/16/2023	D · Disposition	−40K	0.50	—
Stock Option (right to buy) Direct	Common Stock240K shares	6/16/2023	D · Disposition	−240K	6.70	—
Stock Option (right to buy) Direct	Common Stock70.37K shares	6/16/2023	D · Disposition	−70.37K	36.32	—
Stock Option (right to buy) Direct	Common Stock86.58K shares	6/16/2023	D · Disposition	−86.58K	29.56	—
Stock Option (right to buy) Direct	Common Stock34.09K shares	6/16/2023	D · Disposition	−34.09K	110.20	—