ONE GAS INC

Ticker: OGS CUSIP: 68235P108 Class: COM

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

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

Q4 2025
Shares 253 Value ($000) $20 Avg Close $80.38 Range $76.52 - $83.96
Q3 2025
Shares 275 Value ($000) $22 Avg Close $74.90 Range $71.27 - $81.48
Q2 2025
Shares 173 Value ($000) $12 Avg Close $75.12 Range $69.75 - $82.25
Q1 2025
Shares 99 Value ($000) $7 Avg Close $72.08 Range $66.38 - $77.00