DATA I O CORP

Ticker: DAIO CUSIP: 237690102 Class: Stock

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q4 2017
Shares 48,865 Value ($000) $588 Avg Close $11.84 Range $8.53 - $16.49
Q3 2017
Shares 19,229 Value ($000) $192 Avg Close $8.55 Range $7.03 - $10.19