Ticker: BKH CUSIP: 092113109 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 21,298 | $1 | $66.47 | $58.20 - $73.32 |
| Q3 2025 | 21,298 | $1 | $57.38 | $54.13 - $60.96 |
| Q2 2025 | 21,298 | $1 | $56.47 | $52.67 - $59.65 |
| Q1 2025 | 21,298 | $1 | $56.47 | $52.15 - $59.45 |
| Q4 2024 | 21,298 | $1 | $57.33 | $53.67 - $62.19 |
| Q3 2024 | 21,788 | $1 | $54.39 | $49.37 - $58.14 |
| Q2 2024 | 21,788 | $1 | $50.26 | $46.53 - $53.93 |
| Q1 2024 | 21,788 | $1 | $47.73 | $44.68 - $50.77 |
| Q4 2023 | 48,113 | $3 | $46.16 | $41.54 - $51.76 |
| Q3 2023 | 48,113 | $2 | $50.50 | $44.92 - $54.81 |
| Q2 2023 | 37,131 | $2 | $55.83 | $52.26 - $58.57 |
| Q1 2023 | 36,059 | $2 | $57.47 | $51.53 - $64.19 |
| Q4 2022 | 82,985 | $6 | $58.05 | $50.78 - $62.96 |
| Q3 2022 | 82,985 | $5,620 | $64.21 | $58.14 - $68.58 |
| Q1 2022 | 81,316 | $6,263 | $58.63 | $54.02 - $65.73 |
| Q4 2021 | 81,302 | $5,737 | $55.40 | $51.95 - $59.51 |
| Q3 2021 | 81,302 | $5,103 | $56.46 | $51.50 - $60.51 |
| Q2 2021 | 81,302 | $5,335 | $55.86 | $53.24 - $58.36 |
| Q1 2021 | 81,302 | $5,429 | $50.63 | $47.19 - $55.19 |
| Q4 2020 | 83,487 | $5,130 | $48.27 | $42.45 - $52.98 |
| Q3 2020 | 74,793 | $4,001 | $45.64 | $41.75 - $49.89 |
| Q2 2020 | 58,992 | $3,342 | $47.91 | $41.68 - $55.82 |
| Q1 2020 | 57,592 | $3,687 | $59.44 | $37.90 - $68.25 |
| Q4 2019 | 57,771 | $4,538 | $60.15 | $57.52 - $62.11 |
| Q3 2019 | 57,771 | $4,433 | $60.34 | $54.21 - $62.80 |
| Q2 2019 | 57,771 | $4,516 | $58.01 | $54.08 - $63.38 |
| Q1 2019 | 57,947 | $4,293 | $52.65 | $46.35 - $57.40 |
| Q4 2018 | 56,747 | $3,563 | $47.68 | $43.15 - $52.00 |
| Q3 2018 | 55,186 | $3,205 | $45.23 | $42.66 - $48.12 |
| Q2 2018 | 56,321 | $3,447 | $42.43 | $39.15 - $46.25 |
| Q1 2018 | 55,921 | $3,036 | $39.62 | $37.38 - $44.38 |
| Q4 2017 | 52,318 | $3,145 | $45.46 | $41.87 - $51.03 |
| Q3 2017 | 33,503 | $2,308 | $50.60 | $48.73 - $51.89 |
| Q2 2017 | 33,503 | $2,260 | $49.84 | $47.18 - $52.32 |
| Q1 2017 | 32,703 | $2,174 | $45.51 | $43.01 - $48.38 |
| Q4 2016 | 35,202 | $2,160 | $42.62 | $38.96 - $45.02 |
| Q3 2016 | 22,138 | $1,355 | $43.19 | $40.45 - $45.62 |
| Q2 2016 | 11,238 | $708 | $42.44 | $39.39 - $44.88 |
| Q1 2016 | 11,238 | $676 | $37.32 | $31.07 - $42.88 |
| Q4 2015 | 11,238 | $522 | $30.44 | $27.84 - $33.06 |
| Q3 2015 | 11,238 | $465 | $28.18 | $25.38 - $32.28 |
| Q2 2015 | 11,238 | $491 | $32.61 | $29.70 - $35.86 |
| Q1 2015 | 11,238 | $567 | $34.02 | $32.42 - $35.85 |
| Q4 2014 | 11,238 | $596 | $35.24 | $31.42 - $38.13 |
| Q3 2014 | 11,238 | $538 | $35.67 | $31.93 - $41.13 |
| Q2 2014 | 11,238 | $690 | $38.31 | $36.56 - $40.65 |
| Q1 2014 | 11,238 | $648 | $36.15 | $33.35 - $38.82 |
| Q4 2013 | 11,238 | $590 | $33.02 | $30.45 - $35.53 |
| Q3 2013 | 11,238 | $560 | $32.70 | $30.21 - $35.44 |
| Q2 2013 | 13,538 | $660 | $30.15 | $27.57 - $32.51 |