BLACKLINE INC

Ticker: BL CUSIP: 09239B109 Class: Common Stock

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

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

Q3 2025
Shares 699 Value ($000) $37 Avg Close $54.03 Range $47.94 - $58.32
Q2 2025
Shares 516 Value ($000) $29 Avg Close $51.65 Range $40.82 - $59.43
Q1 2025
Shares 400 Value ($000) $19 Avg Close $54.76 Range $46.88 - $66.25
Q2 2024
Shares 2,769 Value ($000) $134 Avg Close $54.92 Range $43.80 - $69.09
Q1 2024
Shares 812 Value ($000) $52 Avg Close $60.69 Range $53.25 - $69.31
Q4 2023
Shares 500 Value ($000) $31 Avg Close $56.54 Range $47.27 - $64.98
Q3 2023
Shares 1,066 Value ($000) $59 Avg Close $54.78 Range $48.22 - $60.79
Q4 2022
Shares 13,053 Value ($000) $878 Avg Close $62.03 Range $48.73 - $73.64
Q3 2022
Shares 13 Value ($000) $1 Avg Close $67.09 Range $55.48 - $76.28
Q1 2022
Shares 1,074 Value ($000) $79 Avg Close $80.88 Range $65.15 - $104.64
Q3 2020
Shares 907 Value ($000) $81 Avg Close $83.91 Range $71.20 - $94.06
Q2 2020
Shares 5,820 Value ($000) $483 Avg Close $66.77 Range $47.58 - $84.99
Q1 2020
Shares 3,301 Value ($000) $174 Avg Close $58.49 Range $38.32 - $74.44
Q4 2019
Shares 619 Value ($000) $32 Avg Close $49.92 Range $45.05 - $55.00
Q4 2018
Shares 647 Value ($000) $26 Avg Close $42.51 Range $34.01 - $56.87
Q3 2018
Shares 600 Value ($000) $34 Avg Close $49.80 Range $42.54 - $58.11