CASTELLUM INC

CUSIP: 14838t204 Class: COM

Holders for Q4 2025 Position Changes for Q4 2025

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

Increased Positions (1)

Legato Capital Management LLC
Value ($000) $615 (-9.2%) Shares 680,945 (+9.6%)

Decreased Positions (1)

ESSEX INVESTMENT MANAGEMENT CO LLC
Value ($000) $1,909 (-18.7%) Shares 2,114,029 (-1.8%)