BLACKROCK INC

Ticker: BLK CUSIP: 09290D101 Class: Common Stock

OLD SECOND NATIONAL BANK OF AURORA's Holding History (CIK: 0000903783)

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

Q4 2025

Shares 7,426 Value ($000) $7,948 Avg Close $1089.41 Range $985.78 - $1214.03

Q3 2025

Shares 7,362 Value ($000) $8,583 Avg Close $1108.77 Range $1023.93 - $1177.77

Q2 2025

Shares 7,487 Value ($000) $7,856 Avg Close $933.09 Range $762.34 - $1044.14

Q1 2025

Shares 7,638 Value ($000) $7,229 Avg Close $961.85 Range $885.02 - $1062.44

Q4 2024

Shares 7,690 Value ($000) $7,883 Avg Close $991.05 Range $896.06 - $1060.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,426	$7,948	$1089.41	$985.78 - $1214.03
Q3 2025	7,362	$8,583	$1108.77	$1023.93 - $1177.77
Q2 2025	7,487	$7,856	$933.09	$762.34 - $1044.14
Q1 2025	7,638	$7,229	$961.85	$885.02 - $1062.44
Q4 2024	7,690	$7,883	$991.05	$896.06 - $1060.71