DATA I O CORP

Ticker: DAIO CUSIP: 237690102 Class: Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025
Shares 1,932 Value ($000) $6 Avg Close $3.00 Range $2.49 - $3.42
Q3 2025
Shares 2,812 Value ($000) $0 Avg Close $3.24 Range $2.63 - $3.57
Q2 2025
Shares 5,181 Value ($000) $0 Avg Close $2.52 Range $1.88 - $3.12
Q1 2025
Shares 2,194 Value ($000) $0 Avg Close $2.79 Range $2.31 - $3.14
Q2 2024
Shares 1,262 Value ($000) $0 Avg Close $3.10 Range $2.64 - $3.99
Q1 2024
Shares 899 Value ($000) $0 Avg Close $3.28 Range $2.83 - $3.73
Q1 2022
Shares 100 Value ($000) $0 Avg Close $4.67 Range $4.19 - $5.12