Ticker: BKH CUSIP: 092113109 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 5,500 | $382 | $66.47 | $58.20 - $73.32 |
| Q3 2025 | 5,422 | $334 | $57.38 | $54.13 - $60.96 |
| Q2 2025 | 5,522 | $310 | $56.47 | $52.67 - $59.65 |
| Q1 2025 | 5,384 | $327 | $56.47 | $52.15 - $59.45 |
| Q4 2024 | 5,384 | $315 | $57.33 | $53.67 - $62.19 |
| Q3 2024 | 5,384 | $329 | $54.39 | $49.37 - $58.14 |
| Q2 2024 | 5,484 | $298 | $50.26 | $46.53 - $53.93 |
| Q1 2024 | 5,584 | $305 | $47.73 | $44.68 - $50.77 |
| Q4 2023 | 5,684 | $307 | $46.16 | $41.54 - $51.76 |
| Q3 2023 | 5,684 | $288 | $50.50 | $44.92 - $54.81 |
| Q2 2023 | 5,910 | $356 | $55.83 | $52.26 - $58.57 |
| Q1 2023 | 5,910 | $373 | $57.47 | $51.53 - $64.19 |
| Q4 2022 | 5,910 | $416 | $58.05 | $50.78 - $62.96 |
| Q3 2022 | 5,910 | $400 | $64.21 | $58.14 - $68.58 |
| Q2 2022 | 5,910 | $430 | $63.81 | $56.66 - $68.52 |
| Q1 2022 | 5,648 | $435 | $58.63 | $54.02 - $65.73 |
| Q4 2021 | 5,648 | $399 | $55.40 | $51.95 - $59.51 |
| Q3 2021 | 5,648 | $354 | $56.46 | $51.50 - $60.51 |
| Q2 2021 | 5,748 | $377 | $55.86 | $53.24 - $58.36 |
| Q1 2021 | 5,848 | $390 | $50.63 | $47.19 - $55.19 |
| Q4 2020 | 5,948 | $366 | $48.27 | $42.45 - $52.98 |
| Q3 2020 | 6,093 | $326 | $45.64 | $41.75 - $49.89 |
| Q2 2020 | 6,355 | $360 | $47.91 | $41.68 - $55.82 |
| Q1 2020 | 6,235 | $399 | $59.44 | $37.90 - $68.25 |
| Q4 2019 | 6,235 | $490 | $60.15 | $57.52 - $62.11 |
| Q3 2019 | 6,853 | $526 | $60.34 | $54.21 - $62.80 |
| Q2 2019 | 6,525 | $510 | $58.01 | $54.08 - $63.38 |
| Q1 2019 | 6,560 | $486 | $52.65 | $46.35 - $57.40 |
| Q4 2018 | 6,560 | $412 | $47.68 | $43.15 - $52.00 |
| Q3 2018 | 6,560 | $381 | $45.23 | $42.66 - $48.12 |
| Q2 2018 | 6,660 | $408 | $42.43 | $39.15 - $46.25 |
| Q1 2018 | 6,487 | $352 | $39.62 | $37.38 - $44.38 |
| Q4 2017 | 6,587 | $396 | $45.46 | $41.87 - $51.03 |
| Q3 2017 | 6,735 | $464 | $50.60 | $48.73 - $51.89 |
| Q2 2017 | 6,735 | $454 | $49.84 | $47.18 - $52.32 |
| Q1 2017 | 6,835 | $454 | $45.51 | $43.01 - $48.38 |
| Q4 2016 | 6,605 | $405 | $42.62 | $38.96 - $45.02 |
| Q3 2016 | 6,368 | $390 | $43.19 | $40.45 - $45.62 |
| Q2 2016 | 6,247 | $394 | $42.44 | $39.39 - $44.88 |
| Q1 2016 | 6,901 | $415 | $37.32 | $31.07 - $42.88 |
| Q4 2015 | 6,708 | $311 | $30.44 | $27.84 - $33.06 |
| Q3 2015 | 6,167 | $255 | $28.18 | $25.38 - $32.28 |
| Q2 2015 | 6,267 | $274 | $32.61 | $29.70 - $35.86 |
| Q1 2015 | 6,367 | $321 | $34.02 | $32.42 - $35.85 |
| Q4 2014 | 6,253 | $332 | $35.24 | $31.42 - $38.13 |
| Q3 2014 | 6,253 | $299 | $35.67 | $31.93 - $41.13 |
| Q2 2014 | 6,253 | $384 | $38.31 | $36.56 - $40.65 |
| Q1 2014 | 6,375 | $368 | $36.15 | $33.35 - $38.82 |
| Q4 2013 | 6,375 | $335 | $33.02 | $30.45 - $35.53 |
| Q3 2013 | 6,575 | $328 | $32.70 | $30.21 - $35.44 |
| Q2 2013 | 6,675 | $325 | $30.15 | $27.57 - $32.51 |
| Q1 2013 | 6,675 | $294 | $26.01 | $23.33 - $28.29 |
| Q4 2012 | 6,675 | $243 | — | — |
| Q3 2012 | 6,675 | $237 | — | — |
| Q2 2012 | 6,541 | $210 | — | — |
| Q1 2012 | 6,641 | $223 | — | — |
| Q4 2011 | 6,000 | $201 | — | — |
| Q3 2011 | 5,812 | $178 | — | — |