PRELUDE THERAPEUTICS INC

Ticker: PRLD CUSIP: 74065P101 Class: Common Stock

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q3 2023

Shares 1,157,452 Value ($000) $3,577 Avg Close $3.75 Range $2.65 - $5.01

Q2 2023

Shares 1,157,452 Value ($000) $5,209 Avg Close $5.98 Range $4.25 - $8.56

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	1,157,452	$3,577	$3.75	$2.65 - $5.01
Q2 2023	1,157,452	$5,209	$5.98	$4.25 - $8.56