Form SCHEDULE 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0002100121-26-000150
Filing Date
2026-04-29
Accepted
2026-04-29 12:18:07
Documents
1
X0202

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13G  
1 primary_doc.xml SCHEDULE 13G 5617
  Complete submission text file 0002100121-26-000150.txt   7433
Mailing Address 7001 MT RUSHMORE RD PO BOX 1400 RAPID SD 57709
Business Address 7001 MT RUSHMORE RD PO BOX 1400 RAPID CITY SD 57709 6057212343
BLACK HILLS CORP /SD/ (Subject) CIK: 0001130464 (see all company filings)

EIN.: 460458824 | State of Incorp.: SD | Fiscal Year End: 1231
Type: SCHEDULE 13G | Act: 34 | File No.: 005-80081 | Film No.: 26912639
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 100 VANGUARD BLVD MALVERN PA 19355
Business Address 100 VANGUARD BLVD MALVERN PA 19355 610-669-6148
VANGUARD PORTFOLIO MANAGEMENT LLC (Filed by) CIK: 0002100121 (see all company filings)

EIN.: 392888838 | State of Incorp.: PA | Fiscal Year End: 1231
LEI: 529900YN99W7NU4H6B84
Type: SCHEDULE 13G