rotation.to
Following this device: dark.
Free account
rotation.to
Sign in / Request free access
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

Robert P. Otto

Director

Company insider

Files Form 4 as: Director, Black Hills.

Every Form 4 they filed

In numbers

Trades disclosed
128
Buys
0
Sells
1
Bought
$0
Sold
$610K
Companies
1
Companies where not an officer
1
First trade
4 Jan 2017
Last trade
27 May 2026
Last filed
28 May 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
BKH Black HillsDirector · Electric Utilities & IPPs · last 27 May 20260 buys · 1 sell

Activity over time

1 May – 1 Oct
10May 26Jun 26Aug 26Sep 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
27 May 2026filed 28 May 2026BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Sold$305K4,109 at $74.22filing
27 May 2026filed 28 May 2026BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Sold$305K4,109 at $74.22filing
1 May 2026filed 4 May 2026BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code A—1,921filing
1 May 2026filed 4 May 2026BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code A—1,921filing
1 May 2025filed 2 May 2025BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code A—2,222 at $0.00filing
1 Mar 2025filed 6 Feb 2026BKH Black Hillsoption or derivative · Electric Utilities & IPPsSEC FORM 4 Code A—407.94 at $0.00filing
1 Mar 2025filed 6 Feb 2026BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code I—519.93filing
31 Dec 2024filed 14 Feb 2025BKH Black Hillsoption or derivative · Electric Utilities & IPPsSEC FORM 4 Code A—407.87 at $0.00filing
31 Dec 2024filed 14 Feb 2025BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code I—395.24 at $0.00filing
1 May 2024filed 2 May 2024BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code A—2,428filing
30 Apr 2024filed 2 May 2024BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code J—23.86filing
31 Dec 2023filed 13 Feb 2024BKH Black Hillsoption or derivative · Electric Utilities & IPPsSEC FORM 4 Code A—378.75 at $0.00filing
31 Dec 2023filed 13 Feb 2024BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code I—238.86 at $0.00filing
1 May 2023filed 3 May 2023BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code A—1,836filing
30 Apr 2023filed 2 May 2023BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code J—57.27filing
31 Dec 2022filed 1 Feb 2023BKH Black Hillsoption or derivative · Electric Utilities & IPPsSEC FORM 4 Code A—274.57 at $0.00filing
31 Dec 2022filed 1 Feb 2023BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code I—150.79 at $0.00filing
1 May 2022filed 3 May 2022BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code A—1,638filing
30 Apr 2022filed 3 May 2022BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code J—4.34filing
3 Jan 2022filed 5 Jan 2022BKH Black HillsElectric Utilities & IPPsSEC FORM 4 Code A—496 at $0.00filing

Sectors

Utilities1

Buys in green, sells in red, by the company’s sector.

Related people

Steven Richard MillsDirector · Director at Black Hills Corp /sd/, filing Form 4 there in the last year
Tony A. JensenDirector · Director at Black Hills Corp /sd/, filing Form 4 there in the last year
Teresa TaylorDirector · Director at Black Hills Corp /sd/, filing Form 4 there in the last year
Anne G. WaleskiDirector · Director at Black Hills Corp /sd/, filing Form 4 there in the last year
Scott M. ProchazkaDirector · Director at Black Hills Corp /sd/, filing Form 4 there in the last year