Insider · CIK 0001445637

Richard Kinzley

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $91k · 2sales $0 · 0net $91k

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Feb 11, 2019 AForm 4 →	Feb 13, 4:27 pm EST	BLACK HILLS CORP /SD/BKH	3,627	—	—	43,715	—	plan?
Feb 4, 2019 FForm 4 →	Feb 7, 7:39 pm EST	BLACK HILLS CORP /SD/BKH	927	$67.02	$62,095	40,088	—	plan? late
Feb 3, 2019 AFForm 4 →	Feb 5, 6:32 pm EST	BLACK HILLS CORP /SD/BKH	3,317	$65.26	$216,470	41,014	—	plan?
Dec 31, 2018 JForm 5 →	Jan 31, 2019, 7:13 pm EST	BLACK HILLS CORP /SD/BKH	118	—	—	3,639	—	plan?
Feb 5, 2018 AForm 4 →	Feb 7, 5:42 pm EST	BLACK HILLS CORP /SD/BKH	4,579	—	—	37,895	—	plan?
Feb 2, 2018 FForm 4/A →	Mar 15, 3:28 pm EDT	BLACK HILLS CORP /SD/BKH	1,128	$53.90	$60,772	38,297	—	plan?
Feb 2, 2018 FForm 4 →	Feb 6, 8:00 pm EST	BLACK HILLS CORP /SD/BKH	1,530	$53.90	$82,441	33,316	—	plan? amended
Dec 31, 2017 JForm 5 →	Feb 6, 2018, 6:52 pm EST	BLACK HILLS CORP /SD/BKH	96	—	—	3,521	—	plan?
Feb 24, 2017 AForm 4 →	Feb 27, 4:54 pm EST	BLACK HILLS CORP /SD/BKH	1,925	$64.28	$123,763	34,846	—	plan?
Feb 10, 2017 FForm 4 →	Feb 14, 2:12 pm EST	BLACK HILLS CORP /SD/BKH	147	$61.55	$9,057	32,921	—	plan?
Feb 3, 2017 AFForm 4 →	Feb 7, 7:25 pm EST	BLACK HILLS CORP /SD/BKH	4,607	$61.57	$56,164	33,068	—	plan?
Dec 31, 2016 JForm 4 →	Feb 14, 2017, 2:22 pm EST	BLACK HILLS CORP /SD/BKH	96	—	—	3,425	—	plan? late
Feb 26, 2016 AForm 4 →	Mar 1, 3:00 pm EST	BLACK HILLS CORP /SD/BKH	908	$57.07	$51,820	30,285	—	plan?
Feb 10, 2016 FForm 4 →	Feb 12, 12:10 pm EST	BLACK HILLS CORP /SD/BKH	144	$53.10	$7,646	29,377	—	plan?
Feb 4, 2016 AFForm 4 →	Feb 8, 7:12 pm EST	BLACK HILLS CORP /SD/BKH	7,341	$51.20	$25,861	29,521	—	plan?
Dec 31, 2015 JForm 5 →	Jan 26, 2016, 2:39 pm EST	BLACK HILLS CORP /SD/BKH	83	—	—	3,329	—	plan?
Aug 26, 2015 PForm 4 →	Aug 27, 4:15 pm EDT	BLACK HILLS CORP /SD/BKH	1,087	$38.76	$42,140	3,246	+50.4%	plan?
Mar 6, 2015 PForm 4 →	Mar 10, 4:20 pm EDT	BLACK HILLS CORP /SD/BKH	1,003	$48.81	$48,955	2,159	+86.8%	plan?
Feb 27, 2015 AForm 4 →	Feb 27, 3:35 pm EST	BLACK HILLS CORP /SD/BKH	1,135	$50.68	$57,506	23,190	—	plan?
Feb 10, 2015 FForm 4 →	Feb 12, 4:36 pm EST	BLACK HILLS CORP /SD/BKH	147	$50.65	$7,439	22,055	—	plan?
Feb 6, 2015 FForm 4 →	Feb 10, 5:51 pm EST	BLACK HILLS CORP /SD/BKH	616	$50.21	$30,939	22,202	—	plan?
Feb 4, 2015 AFForm 4 →	Feb 6, 5:33 pm EST	BLACK HILLS CORP /SD/BKH	2,674	$50.46	$9,964	22,818	—	plan?
Feb 3, 2015 AForm 4 →	Feb 3, 6:55 pm EST	BLACK HILLS CORP /SD/BKH	2,880	$53.01	$152,669	20,539	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Jun 11, 2026 AForm 4 →	Jun 15, 4:45 pm EDT	Oklo Inc.OKLO	3,213	—	—	3,213	—