INTRUSION INC

Ticker: INTZ CUSIP: 46121E304 Class: Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2025

Shares 47 Value ($000) $0 Avg Close $1.66 Range $0.71 - $5.20

Q4 2024

Shares 47 Value ($000) $0 Avg Close $0.80 Range $0.35 - $7.34

Q3 2024

Shares 47 Value ($000) $0 Avg Close $1.13 Range $0.68 - $1.44

Q2 2024

Shares 52 Value ($000) $0 Avg Close $1.82 Range $1.04 - $4.36

Q1 2024

Shares 53 Value ($000) $0 Avg Close $4.35 Range $2.68 - $5.40

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	47	$0	$1.66	$0.71 - $5.20
Q4 2024	47	$0	$0.80	$0.35 - $7.34
Q3 2024	47	$0	$1.13	$0.68 - $1.44
Q2 2024	52	$0	$1.82	$1.04 - $4.36
Q1 2024	53	$0	$4.35	$2.68 - $5.40