CASTELLUM INC

Ticker: CTM CUSIP: 14838T204 Class: COM NEW

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 265,486 Value ($000) $240 Avg Close $1.07 Range $0.87 - $1.36

Q3 2025

Shares 265,486 Value ($000) $289 Avg Close $1.16 Range $0.95 - $1.56

Q2 2025

Shares 127,421 Value ($000) $134 Avg Close $1.03 Range $0.83 - $1.44

Q1 2025

Shares 127,421 Value ($000) $135 Avg Close $1.06 Range $0.61 - $2.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	265,486	$240	$1.07	$0.87 - $1.36
Q3 2025	265,486	$289	$1.16	$0.95 - $1.56
Q2 2025	127,421	$134	$1.03	$0.83 - $1.44
Q1 2025	127,421	$135	$1.06	$0.61 - $2.00