PROMETHEUS BIOSCIENCES INC

CUSIP: 74349U108 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q1 2023
Shares 758 Value ($000) $0 Avg Close — Range —
Q2 2022
Shares 11,448 Value ($000) $323 Avg Close — Range —