KORRO BIO INC

Ticker: KRRO CUSIP: 500946108 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025

Shares 19,772 Value ($000) $158 Avg Close $23.38 Range $5.20 - $55.89

Q4 2024

Shares 18,461 Value ($000) $703 Avg Close $51.39 Range $30.72 - $98.00

Q2 2024

Shares 9,103 Value ($000) $308 Avg Close $55.25 Range $30.00 - $91.01

Q1 2024

Shares 13,407 Value ($000) $1,207 Avg Close $54.57 Range $38.75 - $97.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,772	$158	$23.38	$5.20 - $55.89
Q4 2024	18,461	$703	$51.39	$30.72 - $98.00
Q2 2024	9,103	$308	$55.25	$30.00 - $91.01
Q1 2024	13,407	$1,207	$54.57	$38.75 - $97.91