Updated Jul 16, 2026
Vollmer Jason L is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $162K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-19 | MDU | MDU RESOURCES GROUP INC | F — Tax withholding / forfeiture | 36.8K | $20.36 | $749K |
| 2026-02-19 | MDU | MDU RESOURCES GROUP INC | A — Grant or award | 15.2K | $0.00 | |
| 2025-09-08 | MDU | MDU RESOURCES GROUP INC | P — Open-market purchase | 5.0K | $16.07 | $80K |
| 2025-08-19 | MDU | MDU RESOURCES GROUP INC | P — Open-market purchase | 5.0K | $16.27 | $81K |
Vollmer Jason L is a corporate insider — currently tracked as CFO. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 2 open-market purchases ($162K) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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