BLACK HILLS CORP

Ticker: BKH CUSIP: 092113109 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025

Shares 37,089 Value ($000) $2,575 Avg Close $66.47 Range $58.20 - $73.32

Q3 2025

Shares 12,387 Value ($000) $1 Avg Close $57.38 Range $54.13 - $60.96

Q2 2025

Shares 1,605 Value ($000) $0 Avg Close $56.47 Range $52.67 - $59.65

Q4 2024

Shares 67 Value ($000) $0 Avg Close $57.33 Range $53.67 - $62.19

Q3 2024

Shares 38 Value ($000) $0 Avg Close $54.39 Range $49.37 - $58.14

Q2 2024

Shares 935 Value ($000) $0 Avg Close $50.26 Range $46.53 - $53.93

Q3 2023

Shares 712 Value ($000) $0 Avg Close $50.50 Range $44.92 - $54.81

Q2 2023

Shares 298 Value ($000) $0 Avg Close $55.83 Range $52.26 - $58.57

Q2 2022

Shares 330 Value ($000) $24 Avg Close $63.81 Range $56.66 - $68.52

Q1 2022

Shares 388 Value ($000) $29 Avg Close $58.63 Range $54.02 - $65.73

Q3 2021

Shares 3,862 Value ($000) $255 Avg Close $56.46 Range $51.50 - $60.51

Q2 2021

Shares 3,862 Value ($000) $253 Avg Close $55.86 Range $53.24 - $58.36

Q1 2021

Shares 2,156 Value ($000) $143 Avg Close $50.63 Range $47.19 - $55.19

Q4 2020

Shares 770 Value ($000) $47 Avg Close $48.27 Range $42.45 - $52.98

Q3 2020

Shares 2,302 Value ($000) $123 Avg Close $45.64 Range $41.75 - $49.89

Q2 2019

Shares 18 Value ($000) $1 Avg Close $58.01 Range $54.08 - $63.38

Q1 2019

Shares 20 Value ($000) $1 Avg Close $52.65 Range $46.35 - $57.40

Q1 2018

Shares 3,228 Value ($000) $175 Avg Close $39.62 Range $37.38 - $44.38

Q4 2017

Shares 2,947 Value ($000) $177 Avg Close $45.46 Range $41.87 - $51.03

Q3 2017

Shares 807 Value ($000) $55 Avg Close $50.60 Range $48.73 - $51.89

Q2 2017

Shares 70 Value ($000) $4 Avg Close $49.84 Range $47.18 - $52.32

Q3 2016

Shares 361 Value ($000) $22 Avg Close $43.19 Range $40.45 - $45.62

Q2 2016

Shares 149 Value ($000) $9 Avg Close $42.44 Range $39.39 - $44.88

Q3 2015

Shares 68 Value ($000) $2 Avg Close $28.18 Range $25.38 - $32.28

Q1 2015

Shares 5,069 Value ($000) $255 Avg Close $34.02 Range $32.42 - $35.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	37,089	$2,575	$66.47	$58.20 - $73.32
Q3 2025	12,387	$1	$57.38	$54.13 - $60.96
Q2 2025	1,605	$0	$56.47	$52.67 - $59.65
Q4 2024	67	$0	$57.33	$53.67 - $62.19
Q3 2024	38	$0	$54.39	$49.37 - $58.14
Q2 2024	935	$0	$50.26	$46.53 - $53.93
Q3 2023	712	$0	$50.50	$44.92 - $54.81
Q2 2023	298	$0	$55.83	$52.26 - $58.57
Q2 2022	330	$24	$63.81	$56.66 - $68.52
Q1 2022	388	$29	$58.63	$54.02 - $65.73
Q3 2021	3,862	$255	$56.46	$51.50 - $60.51
Q2 2021	3,862	$253	$55.86	$53.24 - $58.36
Q1 2021	2,156	$143	$50.63	$47.19 - $55.19
Q4 2020	770	$47	$48.27	$42.45 - $52.98
Q3 2020	2,302	$123	$45.64	$41.75 - $49.89
Q2 2019	18	$1	$58.01	$54.08 - $63.38
Q1 2019	20	$1	$52.65	$46.35 - $57.40
Q1 2018	3,228	$175	$39.62	$37.38 - $44.38
Q4 2017	2,947	$177	$45.46	$41.87 - $51.03
Q3 2017	807	$55	$50.60	$48.73 - $51.89
Q2 2017	70	$4	$49.84	$47.18 - $52.32
Q3 2016	361	$22	$43.19	$40.45 - $45.62
Q2 2016	149	$9	$42.44	$39.39 - $44.88
Q3 2015	68	$2	$28.18	$25.38 - $32.28
Q1 2015	5,069	$255	$34.02	$32.42 - $35.85