CECO ENVIRONMENTAL CORP

Ticker: CECO CUSIP: 125141101 Class: Common Stock

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

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

Q4 2025
Shares 3,325 Value ($000) $199 Avg Close $53.49 Range $42.82 - $63.98
Q3 2025
Shares 661 Value ($000) $34 Avg Close $42.33 Range $28.26 - $52.46
Q3 2024
Shares 826 Value ($000) $23 Avg Close $28.13 Range $24.72 - $31.55
Q2 2023
Shares 362 Value ($000) $5 Avg Close $12.43 Range $10.68 - $14.06
Q1 2023
Shares 1,476 Value ($000) $21 Avg Close $14.14 Range $11.27 - $16.73
Q4 2022
Shares 32 Value ($000) $0 Avg Close $11.32 Range $8.41 - $12.89
Q1 2022
Shares 1 Value ($000) $0 Avg Close $5.84 Range $5.00 - $6.63
Q4 2021
Shares 1 Value ($000) $0 Avg Close $6.63 Range $5.77 - $7.66
Q2 2021
Shares 4,531 Value ($000) $32 Avg Close $7.74 Range $6.75 - $9.16
Q1 2021
Shares 231 Value ($000) $2 Avg Close $7.91 Range $6.73 - $9.47
Q2 2020
Shares 89 Value ($000) $1 Avg Close $5.42 Range $4.36 - $7.21
Q1 2020
Shares 89 Value ($000) $0 Avg Close $6.79 Range $3.53 - $8.19
Q3 2019
Shares 5,977 Value ($000) $42 Avg Close $7.99 Range $6.66 - $9.84
Q2 2019
Shares 1,500 Value ($000) $14 Avg Close $8.56 Range $7.14 - $9.80
Q1 2018
Shares 2,000 Value ($000) $9 Avg Close $4.68 Range $4.00 - $5.42
Q4 2017
Shares 2,000 Value ($000) $10 Avg Close $6.73 Range $4.68 - $9.41
Q1 2016
Shares 40 Value ($000) $0 Avg Close $6.43 Range $5.36 - $7.43
Q4 2015
Shares 1,540 Value ($000) $12 Avg Close $7.95 Range $6.51 - $10.43
Q3 2015
Shares 640 Value ($000) $5 Avg Close $8.73 Range $7.44 - $10.69
Q2 2014
Shares 100 Value ($000) $2 Avg Close $13.93 Range $11.84 - $15.72
Q1 2014
Shares 100 Value ($000) $2 Avg Close $14.92 Range $12.89 - $17.13
Q4 2013
Shares 1,100 Value ($000) $18 Avg Close $14.61 Range $12.57 - $17.55