CORE LABORATORIES INC

Ticker: CLB CUSIP: 21867A105 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025
Shares 52 Value ($000) $1 Avg Close $14.87 Range $10.28 - $17.44
Q2 2025
Shares 539 Value ($000) $6 Avg Close $11.83 Range $10.11 - $15.14
Q4 2024
Shares 38 Value ($000) $1 Avg Close $19.22 Range $16.47 - $21.75
Q3 2024
Shares 38 Value ($000) $1 Avg Close $20.00 Range $16.32 - $25.02
Q3 2023
Shares 28 Value ($000) $1 Avg Close $24.38 Range $21.06 - $27.76