MDU Jason L. Vollmer bought MDU RESOURCES GROUP INC shares — SEC Form 4BUYMDU RESOURCES GROUP INC

Jason L. Vollmer, CFO at MDU RESOURCES GROUP INC (MDU), bought 5,000 shares at $16.28 ($81K) on 2025-08-19, disclosed to the SEC on 2025-08-19.

SEC EDGAR Filing

0001225208-25-007348

View on SEC EDGAR

Why this matters (generating…)

High-signal trade — passes our conviction filters but the AI narrative is still being generated. Check back shortly.

Notable64/100

Something here stands out, but not much.

Opportunistic BuyUnusually Large TradeDeep Dip BuyLargest Purchase Ever

Trade Context

•Increased holdings by 1%
•Largest purchase ever, out of 5
•Buying near 52-week low (+9% from bottom)

Filing Info

Filed2025-08-19

Traded2025-08-19

Accession0001225208-25-007348

SourceSEC EDGAR (Historical)

Insider

NameJason L. Vollmer

TitleCFO

PIT GradeInsiderC

Score—

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Related Trades by This Insider

Ticker	Type	Filed	Value	7d Stock	Filing
MDU	BUY	2025-09-09	$161K	—	Filing →
MDU	BUY	2020-11-12	$25K	—

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MDU Jason L. Vollmer bought MDU RESOURCES GROUP INC shares — SEC Form 4BUYMDU RESOURCES GROUP INC

Trade Context

Filing Info

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