NAPCO SEC TECHNOLOGIES INC

Ticker: NSSC CUSIP: 630402105 Class: Common Stock

MASECO LLP's Holding History (CIK: 0002074052)

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

Q4 2025

Shares 590 Value ($000) $25 Avg Close $41.96 Range $37.43 - $47.96

Q2 2025

Shares 585 Value ($000) $17 Avg Close $25.46 Range $18.78 - $30.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	590	$25	$41.96	$37.43 - $47.96
Q2 2025	585	$17	$25.46	$18.78 - $30.03