NAPCO SEC TECHNOLOGIES INC

Ticker: NSSC CUSIP: 630402105 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q2 2023

Shares 59,300 Value ($000) $2,055 Avg Close $33.75 Range $25.82 - $39.90

Q2 2020

Shares 49,637 Value ($000) $1,161 Avg Close $10.12 Range $6.44 - $12.75

Q1 2020

Shares 49,637 Value ($000) $753 Avg Close $11.36 Range $7.07 - $15.97

Q4 2019

Shares 46,137 Value ($000) $1,356 Avg Close $14.00 Range $11.95 - $15.43

Q3 2019

Shares 46,137 Value ($000) $1,177 Avg Close $13.60 Range $11.67 - $16.78

Q2 2019

Shares 39,137 Value ($000) $1,162 Avg Close $12.80 Range $9.65 - $16.85

Q1 2019

Shares 13,137 Value ($000) $272 Avg Close $9.07 Range $6.87 - $10.93

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2023	59,300	$2,055	$33.75	$25.82 - $39.90
Q2 2020	49,637	$1,161	$10.12	$6.44 - $12.75
Q1 2020	49,637	$753	$11.36	$7.07 - $15.97
Q4 2019	46,137	$1,356	$14.00	$11.95 - $15.43
Q3 2019	46,137	$1,177	$13.60	$11.67 - $16.78
Q2 2019	39,137	$1,162	$12.80	$9.65 - $16.85
Q1 2019	13,137	$272	$9.07	$6.87 - $10.93