TypeDateAccessionPeriodSize
10-K
Feb 20, 2026
0000067716-26-00001410-K
Dec 31, 2025
131.2 MB
4
Feb 19, 2026
0001225208-26-002189
Feb 17, 2026
7.2 KB
4
Feb 19, 2026
0001225208-26-002191
Feb 17, 2026
4.5 KB
4
Feb 19, 2026
0001225208-26-002188
Feb 17, 2026
8.4 KB
4
Feb 19, 2026
0001225208-26-002190
Feb 17, 2026
6.2 KB
4
Feb 19, 2026
0001225208-26-002187
Feb 17, 2026
7.0 KB
4
Feb 19, 2026
0001225208-26-002186
Feb 17, 2026
9.0 KB
4
Feb 19, 2026
0001225208-26-002185
Feb 17, 2026
7.1 KB
4
Feb 19, 2026
0001225208-26-002184
Feb 17, 2026
7.0 KB
4
Feb 17, 2026
0001225208-26-001965
Feb 13, 2026
4.3 KB
SCHEDULE 13G
Feb 11, 2026
0000313028-26-000007
—
5.9 KB
8-K
Feb 5, 2026
0000067716-26-000008MDU RESOURCES GROUP, INC. FORM 8-K
Feb 5, 2026
609.9 KB
8-K
Jan 16, 2026
0000067716-26-0000058-K
Jan 15, 2026
23.0 MB
4
Jan 2, 2026
0001225208-26-000029
Dec 31, 2025
4.4 KB
4
Jan 2, 2026
0001225208-26-000028
Dec 31, 2025
4.4 KB
8-K
Dec 29, 2025
0001539497-25-0033508-K
Dec 23, 2025
976.2 KB
8-K
Dec 12, 2025
0000067716-25-0000958-K
Dec 11, 2025
45.5 MB
8-K
Dec 5, 2025
0001539497-25-003175FORM 8-K
Dec 3, 2025
1.4 MB
424B5
Dec 5, 2025
0001539497-25-003160424B5
—
466.4 KB
424B5
Dec 3, 2025
0001539497-25-003113424B5
—
311.9 KB
8-K
Nov 20, 2025
0000067716-25-000092MDU RESOURCES FORM 8-K CAP EX
Nov 20, 2025
254.8 KB
4
Nov 14, 2025
0001225208-25-009223
Nov 13, 2025
4.2 KB
4
Nov 14, 2025
0001225208-25-009222
Nov 13, 2025
4.2 KB
4
Nov 14, 2025
0001225208-25-009221
Nov 13, 2025
4.2 KB
4
Nov 14, 2025
0001225208-25-009220
Nov 13, 2025
4.9 KB