InsiderTrades

Form 4 for MDU MDU RESOURCES GROUP INC

Accepted 2026-02-19 00:00:00 ET · period of report 2026-02-17 · accession 0001225208-26-002184 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-02-19 2026-02-17 MDU Johnson Rob L. Pres-WBI A - Grant $0.00 +5,830 93.3K +7% $0
2026-02-19 2026-02-18 MDU Johnson Rob L. Pres-WBI F - Tax $20.36 -10.6K 82.7K -11% -$216.4K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-17 A A 5,830 $0.00 93,295 D — — (F2) Including 15,981 net shares, which vested on December 31, 2025.
2 Common Common Stock 2026-02-18 F D 10,630 $20.36 82,665 D — — (F4) Price is equal to the closing price of a share of Common Stock on February 18, 2026. (F2) Including 15,981 net shares, which vested on December 31, 2025.