OMNIAB INC

Ticker: OABI CUSIP: 68218J103 Class: COM

UMB Bank, n.a.'s Holding History (CIK: 0000933429)

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

Q3 2025

Shares 29 Value ($000) $0 Avg Close $1.83 Range $1.51 - $2.29

Q2 2025

Shares 29 Value ($000) $0 Avg Close $1.67 Range $1.22 - $2.42

Q1 2025

Shares 29 Value ($000) $0 Avg Close $3.27 Range $2.23 - $4.02

Q4 2024

Shares 29 Value ($000) $0 Avg Close $3.96 Range $3.43 - $4.87

Q3 2024

Shares 29 Value ($000) $0 Avg Close $4.32 Range $3.56 - $4.96

Q2 2024

Shares 29 Value ($000) $0 Avg Close $4.56 Range $3.69 - $5.54

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	29	$0	$1.83	$1.51 - $2.29
Q2 2025	29	$0	$1.67	$1.22 - $2.42
Q1 2025	29	$0	$3.27	$2.23 - $4.02
Q4 2024	29	$0	$3.96	$3.43 - $4.87
Q3 2024	29	$0	$4.32	$3.56 - $4.96
Q2 2024	29	$0	$4.56	$3.69 - $5.54