Form SD - Specialized disclosure report:
SEC Accession No. 0000067716-24-000063
Filing Date
2024-05-22
Accepted
2024-05-22 08:30:11
Documents
2

Document Format Files

Seq Description Document Type Size
1 SD a2024formsd.htm SD 15085
2 EX-1.01 a2024ex1-01conflictmineral.htm EX-1.01 353794
  Complete submission text file 0000067716-24-000063.txt   370119
Mailing Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503
Business Address 1200 WEST CENTURY AVENUE BISMARCK ND 58503 701-530-1000
MDU RESOURCES GROUP INC (Filer) CIK: 0000067716 (see all company filings)

EIN.: 301133956 | Fiscal Year End: 1231
Type: SD | Act: 34 | File No.: 001-03480 | Film No.: 24971685
SIC: 1400 Mining & Quarrying of Nonmetallic Minerals (No Fuels)
(CF Office: 01 Energy & Transportation)