BLACKROCK INC

Ticker: BLK CUSIP: 09290D101 Class: Common Stock

Mattern Wealth Management LLC's Holding History (CIK: 0001802376)

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

Q4 2025

Shares 1,335 Value ($000) $1,429 Avg Close $1089.41 Range $985.78 - $1214.03

Q3 2025

Shares 1,639 Value ($000) $1,911 Avg Close $1108.77 Range $1023.93 - $1177.77

Q2 2025

Shares 1,728 Value ($000) $1,813 Avg Close $933.09 Range $762.34 - $1044.14

Q1 2025

Shares 1,976 Value ($000) $1,870 Avg Close $961.85 Range $885.02 - $1062.44

Q4 2024

Shares 1,968 Value ($000) $2,017 Avg Close $991.05 Range $896.06 - $1060.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,335	$1,429	$1089.41	$985.78 - $1214.03
Q3 2025	1,639	$1,911	$1108.77	$1023.93 - $1177.77
Q2 2025	1,728	$1,813	$933.09	$762.34 - $1044.14
Q1 2025	1,976	$1,870	$961.85	$885.02 - $1062.44
Q4 2024	1,968	$2,017	$991.05	$896.06 - $1060.71