BLACK HILLS CORP /SD/ (BKH) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-05-28

BLACK HILLS CORP /SD/ (BKH) has filed 10 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-28. 3 Form 8-K material event filings were reported by BKH in the last 90 days. InsiderAlpha tracks every BKH SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About BLACK HILLS CORP /SD/ (BKH)

SEC CIK0001130464

90-Day SEC Filing Activity

Form 4 filings (90d)10
Form 8-K filings (90d)3
Latest Form 4 filing2026-05-28

Recent BKH Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
Otto Robert PInsiderS — Open-market sale4.1K$74.22$305KSEC
McAllister Kathleen SInsiderA — Grant or award1.9K——SEC
MILLS STEVEN RICHARDInsiderA — Grant or award1.9K——SEC
Jensen Tony AInsiderA — Grant or award1.9K——SEC
Granger Barry MInsiderA — Grant or award1.9K——SEC
Beard Robert F.InsiderA — Grant or award1.9K——SEC
Taylor TeresaInsiderA — Grant or award1.9K——SEC
Waleski Anne GInsiderA — Grant or award1.9K——SEC
Otto Robert PInsiderA — Grant or award1.9K——SEC
Prochazka Scott MInsiderA — Grant or award1.9K——SEC
Evans Linden RPresident and CEOG — Bona-fide gift3.7K——SEC
Evans Linden RPresident and CEOG — Bona-fide gift2.6K——SEC
Evans Linden RPresident and CEOA — Grant or award9.0K$73.21$662KSEC
Jones Marne MSVP - UtilitiesA — Grant or award835$73.21$61KSEC
Evans Linden RPresident and CEOF — Tax withholding / forfeiture3.6K$73.21$260KSEC

All transactions sourced from SEC EDGAR Form 4 filings for BLACK HILLS CORP /SD/ (BKH). Updated in real time as new filings are submitted to the SEC.

Most-Active BKH Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Otto Robert P2$305K
Waleski Anne G1—
Taylor Teresa1—
MILLS STEVEN RICHARD1—
Jensen Tony A1—

Recent BKH Form 8-K Material Events

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in BKH insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

BKH Insider Trading — FAQ

What is the latest insider trade for BKH?
BLACK HILLS CORP /SD/ (BKH) had 10 insider filings in the last 90 days, with the most recent on 2026-05-28. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying BKH stock?
0 insider purchases of BKH were filed in the last 90 days.
How many insiders are selling BKH stock?
0 insider sales of BKH were filed in the last 90 days.
Where can I see BKH SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every BKH SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live BKH dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.