PRAXIS PRECISION MEDICINES I

CUSIP: 74006W108 Class: Common Stock

Mariner, LLC's Holding History (CIK: 0001373442)

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

Q4 2022
Shares 17,693 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 13,295 Value ($000) $30 Avg Close — Range —