INFORMATION SVCS GROUP INC

Ticker: III CUSIP: 45675Y104 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025
Shares 664 Value ($000) $4 Avg Close $5.58 Range $4.94 - $6.40
Q3 2025
Shares 664 Value ($000) $4 Avg Close $4.90 Range $3.94 - $5.96
Q4 2021
Shares 7,384 Value ($000) $53 Avg Close $6.91 Range $5.92 - $8.31
Q3 2021
Shares 7,384 Value ($000) $53 Avg Close $5.69 Range $4.62 - $7.17
Q2 2021
Shares 7,384 Value ($000) $43 Avg Close $4.41 Range $3.56 - $5.37