NAPCO SEC TECHNOLOGIES INC

Ticker: NSSC CUSIP: 630402105 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2025

Shares 195 Value ($000) $8 Avg Close $41.96 Range $37.43 - $47.96

Q3 2025

Shares 195 Value ($000) $8 Avg Close $34.48 Range $29.03 - $44.88

Q2 2023

Shares 229 Value ($000) $8 Avg Close $33.75 Range $25.82 - $39.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	195	$8	$41.96	$37.43 - $47.96
Q3 2025	195	$8	$34.48	$29.03 - $44.88
Q2 2023	229	$8	$33.75	$25.82 - $39.90