BLACKROCK INC

Ticker: BLK CUSIP: 09290D101 Class: Common Stock

Security National Bank's Holding History (CIK: 0001719739)

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

Q4 2025

Shares 7,477 Value ($000) $8,003 Avg Close $1089.41 Range $985.78 - $1214.03

Q3 2025

Shares 7,328 Value ($000) $8,543 Avg Close $1108.77 Range $1023.93 - $1177.77

Q2 2025

Shares 7,053 Value ($000) $7,400 Avg Close $933.09 Range $762.34 - $1044.14

Q1 2025

Shares 7,035 Value ($000) $6,658 Avg Close $961.85 Range $885.02 - $1062.44

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,477	$8,003	$1089.41	$985.78 - $1214.03
Q3 2025	7,328	$8,543	$1108.77	$1023.93 - $1177.77
Q2 2025	7,053	$7,400	$933.09	$762.34 - $1044.14
Q1 2025	7,035	$6,658	$961.85	$885.02 - $1062.44