PHOENIX BIOTECH ACQUISITION

Ticker: CEROW CUSIP: 71902K113 Class: *W EXP 02/13/202

GRITSTONE ASSET MANAGEMENT LLC's Holding History (CIK: 0001964236)

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

Q3 2023

Shares 17,014 Value ($000) $1 Avg Close — Range —

Q2 2023

Shares 17,014 Value ($000) $1 Avg Close — Range —

Q1 2023

Shares 17,014 Value ($000) $1 Avg Close — Range —

Q4 2022

Shares 17,014 Value ($000) $1 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	17,014	$1	—	—
Q2 2023	17,014	$1	—	—
Q1 2023	17,014	$1	—	—
Q4 2022	17,014	$1	—	—