INTRUSION INC

CUSIP: 46121E205 Class: COMMON

First Dallas Securities Inc.'s Holding History (CIK: 0001378559)

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

Q2 2021
Shares 106,238 Value ($000) $1,637 Avg Close — Range —
Q1 2021
Shares 102,443 Value ($000) $2,394 Avg Close — Range —
Q2 2018
Shares 102,650 Value ($000) $167 Avg Close — Range —
Q4 2017
Shares 129,664 Value ($000) $162 Avg Close — Range —