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Insider

Robert P Otto

Director

Robert P Otto (Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in BKH. The largest single filing was $305K of BKH (4,109 sh × $74.22, as filed), executed May 27. Data as of Nov 8 2026.

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Return, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$305K
shares × price, as filed
Last traded
May 27
Filed May 28
Open performance→
Volume by month
$305K$152K$0Dec 2024Jun 2025Dec 2025Jun 2026May 2026 · sells $305K
Buys $0 Sells $305K

Shares × price, as filed · by filing month · past 24 months

Most traded names
BKH BKH 0 buys · 1 sell 1 filing
Recent filings
BKHSALE BLACK HILLS CORP /SD/ View filing → $305K
4,109 sh × $74.22
Exec May 27
Filed May 28 · 5:30 PM ET