Open-mkt buys · 90d
$289.9K
2 trades · 1 insiders
Open-mkt sales · 90d
$902.2K
2 trades · 1 insiders
Net · 90d
$-612.3K
Insiders on file
16
Daily buy vs sell · 90 days
■ Open-market buys (P) ■ Open-market sales (S) · daily dollar value by transaction date
Insiders
| Insider | Role | Trades | Bought | Sold | Last trade |
|---|---|---|---|---|---|
| Rosenthal Dale | Director | 11 | $0 | $0 | 2026-08-31 |
| Ryan Edward A | Director | 8 | $53.2K | $0 | 2026-08-31 |
| SPARBY DAVID M | Director | 6 | $289.9K | $0 | 2026-08-17 |
| Sanderson Paul R. | VP, CLO & Corporate Secretary | 6 | $0 | $902.2K | 2026-08-07 |
| Sznewajs Timothy Ryan | VP of Corp. Dev. & Strategy | 5 | $0 | $0 | 2026-05-22 |
| Hernandez Helena Mercedes | Director | 3 | $23.0K | $0 | 2026-05-12 |
| Wood Clark A. | Director | 4 | $0 | $0 | 2026-05-12 |
| DELLA ROCCA MICHAEL | Director | 5 | $49.9K | $0 | 2026-05-12 |
| WYNN BETTY R. | Director | 4 | $0 | $0 | 2026-05-12 |
| Henricks Britney A. | VP of Human Resources | 4 | $0 | $0 | 2026-02-27 |
| Behring Jason A. | VP of Technology | 3 | $0 | $0 | 2026-02-27 |
| Marcy Maximillian J | VP, CFO & Treasurer | 4 | $50.7K | $0 | 2026-02-27 |
| Nosbusch Thomas D. | EVP & COO | 5 | $0 | $0 | 2026-02-27 |
| Hunke Jon B. | VP & CAO | 5 | $0 | $0 | 2026-02-27 |
| Thiede Jeffrey S | President & CEO | 5 | $0 | $0 | 2026-02-27 |
| MDU RESOURCES GROUP INC | 10% Owner | 1 | $0 | $0 | 2024-10-31 |
Trade history
| Insider | Role | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|---|
| Ryan Edward A | Director | A Award | 2026-08-31 | 2026-09-01 | 121 | $128.99 | $15.6K | 20,150 | SEC↗ |
| Rosenthal Dale | Director | A Award | 2026-08-31 | 2026-09-01 | 203 | $128.99 | $26.2K | 13,582 | SEC↗ |
| Rosenthal Dale | Director | A Award | 2026-08-31 | 2026-09-01 | 203 | $128.99 | $26.2K | 13,582 | SEC↗ |
| Ryan Edward A | Director | A Award | 2026-08-31 | 2026-09-01 | 121 | $128.99 | $15.6K | 20,150 | SEC↗ |
| SPARBY DAVID M | Director | P Buy | 2026-08-17 | 2026-08-18 | 1,000 | $144.95 | $144.9K | 19,658 | SEC↗ |
| SPARBY DAVID M | Director | P Buy | 2026-08-17 | 2026-08-18 | 1,000 | $144.95 | $144.9K | 19,658 | SEC↗ |
| Sanderson Paul R. | VP, CLO & Corporate Secretar | S Sale | 2026-08-07 | 2026-08-11 | 3,300 | $136.69 | $451.1K | 18,950 | SEC↗ |
| Sanderson Paul R. | VP, CLO & Corporate Secretar | S Sale | 2026-08-07 | 2026-08-11 | 3,300 | $136.69 | $451.1K | 18,950 | SEC↗ |
| Ryan Edward A | Director | A Award | 2026-05-29 | 2026-06-01 | 100 | $154.72 | $15.5K | 20,029 | SEC↗ |
| Rosenthal Dale | Director | A Award | 2026-05-29 | 2026-06-01 | 169 | $154.72 | $26.1K | 13,379 | SEC↗ |
| Sznewajs Timothy Ryan | VP of Corp. Dev. & Strategy | F Tax w/h | 2026-05-22 | 2026-05-26 | 1,361 | $148.65 | $202.3K | 13,214 | SEC↗ |
| Rosenthal Dale | Director | A Award | 2026-05-12 | 2026-05-13 | 1,184 | — | $0 | 13,210 | SEC↗ |
| DELLA ROCCA MICHAEL | Director | A Award | 2026-05-12 | 2026-05-13 | 1,015 | — | $0 | 7,028 | SEC↗ |
| Hernandez Helena Mercedes | Director | A Award | 2026-05-12 | 2026-05-13 | 1,015 | — | $0 | 3,125 | SEC↗ |
| Ryan Edward A | Director | A Award | 2026-05-12 | 2026-05-13 | 1,015 | — | $0 | 19,929 | SEC↗ |
| SPARBY DAVID M | Director | A Award | 2026-05-12 | 2026-05-13 | 1,015 | — | $0 | 18,658 | SEC↗ |
| Wood Clark A. | Director | A Award | 2026-05-12 | 2026-05-13 | 1,015 | — | $0 | 5,392 | SEC↗ |
| WYNN BETTY R. | Director | A Award | 2026-05-12 | 2026-05-13 | 1,015 | — | $0 | 5,392 | SEC↗ |
| Rosenthal Dale | Director | A Award | 2026-02-27 | 2026-03-03 | 125 | $104.90 | $13.1K | 12,026 | SEC↗ |
| Behring Jason A. | VP of Technology | A Award | 2026-02-27 | 2026-03-03 | 934 | — | $0 | 2,391 | SEC↗ |
| Behring Jason A. | VP of Technology | F Tax w/h | 2026-02-27 | 2026-03-03 | 205 | $120.87 | $24.8K | 2,186 | SEC↗ |
| Thiede Jeffrey S | President & CEO | F Tax w/h | 2026-02-27 | 2026-03-03 | 9,855 | $120.87 | $1.19M | 117,496 | SEC↗ |
| Thiede Jeffrey S | President & CEO | A Award | 2026-02-27 | 2026-03-03 | 12,011 | — | $0 | 129,493 | SEC↗ |
| Thiede Jeffrey S | President & CEO | F Tax w/h | 2026-02-27 | 2026-03-03 | 2,142 | $120.87 | $258.9K | 127,351 | SEC↗ |
| Hunke Jon B. | VP & CAO | A Award | 2026-02-27 | 2026-03-03 | 929 | — | $0 | 12,923 | SEC↗ |
| Hunke Jon B. | VP & CAO | F Tax w/h | 2026-02-27 | 2026-03-03 | 1,300 | $120.87 | $157.1K | 11,462 | SEC↗ |
| Hunke Jon B. | VP & CAO | F Tax w/h | 2026-02-27 | 2026-03-03 | 161 | $120.87 | $19.5K | 12,762 | SEC↗ |
| Hendricks Britney A. | VP of Human Resources | A Award | 2026-02-27 | 2026-03-03 | 1,830 | — | $0 | 4,072 | SEC↗ |
| Hendricks Britney A. | VP of Human Resources | F Tax w/h | 2026-02-27 | 2026-03-03 | 290 | $120.87 | $35.1K | 3,782 | SEC↗ |
| Sznewajs Timothy Ryan | VP of Corp. Dev. & Strategy | A Award | 2026-02-27 | 2026-03-03 | 1,424 | — | $0 | 14,878 | SEC↗ |
| Sznewajs Timothy Ryan | VP of Corp. Dev. & Strategy | F Tax w/h | 2026-02-27 | 2026-03-03 | 303 | $120.87 | $36.6K | 14,575 | SEC↗ |
| Sanderson Paul R. | VP, CLO & Corporate Secretar | A Award | 2026-02-27 | 2026-03-03 | 2,456 | — | $0 | 26,442 | SEC↗ |
| Sanderson Paul R. | VP, CLO & Corporate Secretar | F Tax w/h | 2026-02-27 | 2026-03-03 | 3,775 | $120.87 | $456.3K | 22,250 | SEC↗ |
| Sanderson Paul R. | VP, CLO & Corporate Secretar | F Tax w/h | 2026-02-27 | 2026-03-03 | 417 | $120.87 | $50.4K | 26,025 | SEC↗ |
| Marcy Maximillian J | VP, CFO & Treasurer | F Tax w/h | 2026-02-27 | 2026-03-03 | 572 | $120.87 | $69.1K | 7,710 | SEC↗ |
| Marcy Maximillian J | VP, CFO & Treasurer | A Award | 2026-02-27 | 2026-03-03 | 2,774 | — | $0 | 8,282 | SEC↗ |
| Nosbusch Thomas D. | EVP & COO | F Tax w/h | 2026-02-27 | 2026-03-03 | 2,046 | $120.87 | $247.3K | 25,896 | SEC↗ |
| Nosbusch Thomas D. | EVP & COO | F Tax w/h | 2026-02-27 | 2026-03-03 | 719 | $120.87 | $86.9K | 27,942 | SEC↗ |
| Nosbusch Thomas D. | EVP & COO | A Award | 2026-02-27 | 2026-03-03 | 3,889 | — | $0 | 28,661 | SEC↗ |
| Hernandez Helena Mercedes | Director | P Buy | 2025-12-08 | 2025-12-08 | 250 | $92.18 | $23.0K | 2,110 | SEC↗ |
| Rosenthal Dale | Director | A Award | 2025-11-28 | 2025-12-01 | 144 | $90.87 | $13.1K | 11,901 | SEC↗ |
| Hernandez Helena Mercedes | Director | A Award | 2025-08-21 | 2025-08-22 | 1,860 | — | $0 | 1,860 | SEC↗ |
| Rosenthal Dale | Director | A Award | 2025-06-30 | 2025-07-01 | 216 | $60.71 | $13.1K | 11,757 | SEC↗ |
| DELLA ROCCA MICHAEL | Director | A Award | 2025-05-22 | 2025-05-23 | 2,887 | — | $0 | 4,914 | SEC↗ |
| DELLA ROCCA MICHAEL | Director | A Award | 2025-05-22 | 2025-05-23 | 1,099 | — | $0 | 6,013 | SEC↗ |
| Rosenthal Dale | Director | A Award | 2025-05-22 | 2025-05-23 | 3,369 | — | $0 | 10,258 | SEC↗ |
| Rosenthal Dale | Director | A Award | 2025-05-22 | 2025-05-23 | 1,283 | — | $0 | 11,541 | SEC↗ |
| Ryan Edward A | Director | A Award | 2025-05-22 | 2025-05-23 | 1,099 | — | $0 | 18,914 | SEC↗ |
| Ryan Edward A | Director | A Award | 2025-05-22 | 2025-05-23 | 2,887 | — | $0 | 17,815 | SEC↗ |
| Wood Clark A. | Director | A Award | 2025-05-22 | 2025-05-23 | 1,099 | — | $0 | 4,377 | SEC↗ |
| Wood Clark A. | Director | A Award | 2025-05-22 | 2025-05-23 | 2,887 | — | $0 | 3,278 | SEC↗ |
| SPARBY DAVID M | Director | A Award | 2025-05-22 | 2025-05-23 | 2,887 | — | $0 | 16,544 | SEC↗ |
| SPARBY DAVID M | Director | A Award | 2025-05-22 | 2025-05-23 | 1,099 | — | $0 | 17,643 | SEC↗ |
| Sznewajs Timothy Ryan | VP of Corp. Dev. & Strategy | A Award | 2025-05-22 | 2025-05-23 | 10,974 | — | $0 | 10,974 | SEC↗ |
| Sznewajs Timothy Ryan | VP of Corp. Dev. & Strategy | A Award | 2025-05-22 | 2025-05-23 | 2,480 | — | $0 | 13,454 | SEC↗ |
| WYNN BETTY R. | Director | A Award | 2025-05-22 | 2025-05-23 | 1,099 | — | $0 | 4,377 | SEC↗ |
| WYNN BETTY R. | Director | A Award | 2025-05-22 | 2025-05-23 | 2,887 | — | $0 | 3,278 | SEC↗ |
| Rosenthal Dale | Director | A Award | 2025-03-31 | 2025-04-01 | 353 | $37.09 | $13.1K | 6,889 | SEC↗ |
| Hendricks Britney A. | VP of Human Resources | I Discretionary | 2025-03-13 | 2025-03-14 | 293 | $38.67 | $11.3K | 293 | SEC↗ |
| Ryan Edward A | Director | P Buy | 2025-02-25 | 2025-02-26 | 1,400 | $38.03 | $53.2K | 14,928 | SEC↗ |
| Marcy Maximillian J | VP, CFO & Treasurer | P Buy | 2025-02-25 | 2025-02-26 | 1,300 | $39.00 | $50.7K | 5,508 | SEC↗ |
| Behring Jason A. | VP of Technology | A Award | 2025-02-20 | 2025-02-24 | 1,457 | — | $0 | 1,457 | SEC↗ |
| Thiede Jeffrey S | President & CEO | A Award | 2025-02-20 | 2025-02-24 | 16,333 | — | $0 | 125,877 | SEC↗ |
| Thiede Jeffrey S | President & CEO | F Tax w/h | 2025-02-20 | 2025-02-24 | 8,395 | $46.54 | $390.7K | 117,482 | SEC↗ |
| Nosbusch Thomas D. | EVP & COO | A Award | 2025-02-20 | 2025-02-24 | 5,284 | — | $0 | 26,655 | SEC↗ |
| Nosbusch Thomas D. | EVP & COO | F Tax w/h | 2025-02-20 | 2025-02-24 | 1,883 | $46.54 | $87.6K | 24,772 | SEC↗ |
| Hunke Jon B. | VP & CAO | F Tax w/h | 2025-02-20 | 2025-02-24 | 1,259 | $46.54 | $58.6K | 11,994 | SEC↗ |
| Hunke Jon B. | VP & CAO | A Award | 2025-02-20 | 2025-02-24 | 1,249 | — | $0 | 13,253 | SEC↗ |
| Sanderson Paul R. | VP, CLO & Corporate Secretar | A Award | 2025-02-20 | 2025-02-24 | 3,065 | — | $0 | 23,986 | SEC↗ |
| Henricks Britney A. | VP of Human Resources | A Award | 2025-02-20 | 2025-02-24 | 2,242 | — | $0 | 2,242 | SEC↗ |
| Marcy Maximillian J | VP, CFO & Treasurer | A Award | 2025-02-20 | 2025-02-24 | 4,208 | — | $0 | 4,208 | SEC↗ |
| DELLA ROCCA MICHAEL | Director | P Buy | 2025-02-18 | 2025-02-19 | 1,050 | $47.57 | $49.9K | 2,027 | SEC↗ |
| DELLA ROCCA MICHAEL | Director | A Award | 2024-11-25 | 2024-11-27 | 977 | — | $0 | 977 | SEC↗ |
| Rosenthal Dale | Director | A Award | 2024-11-25 | 2024-11-27 | 2,412 | — | $0 | 6,536 | SEC↗ |
| Ryan Edward A | Director | A Award | 2024-11-25 | 2024-11-27 | 2,347 | — | $0 | 13,528 | SEC↗ |
| SPARBY DAVID M | Director | A Award | 2024-11-25 | 2024-11-27 | 2,347 | — | $0 | 13,657 | SEC↗ |
| Wood Clark A. | Director | A Award | 2024-11-25 | 2024-11-27 | 391 | — | $0 | 391 | SEC↗ |
| WYNN BETTY R. | Director | A Award | 2024-11-25 | 2024-11-27 | 391 | — | $0 | 391 | SEC↗ |
| MDU RESOURCES GROUP INC | 10% Owner | J Other | 2024-10-31 | 2024-11-01 | 50,972,059 | — | $0 | 0 | SEC↗ |