Summary
Updated Aug 31, 2026
Nathan W. Ring is Vice President & CFO of Knife River Corp (KNF). 2 SEC Form 4 filings on record, most recently on 5 March 2026.
Recent Transactions
3Every recent SEC Form 4 transaction Nathan W. Ring has reported, most recent first.
Other Insiders Active in the Same Sector
No other insider has filed at Nathan W. Ring's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Edward A. Schlesinger - $8.31M of GLW open-market activity in the last 12 months
- John P. McConnell - $8.21M of WOR open-market activity in the last 12 months
- Sean D. Keohane - $8.18M of CBT open-market activity in the last 12 months
- Andrew Rees - $8.02M of CROX open-market activity in the last 12 months
- BEP Special Situations IV LLC - $8.00M of FEAM open-market activity in the last 12 months
- Ian G. H. Ashken - $7.88M of ESI open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Nathan W. Ring?
Nathan W. Ring is a corporate insider, tracked as Vice President & CFO of Knife River Corp (KNF). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Nathan W. Ring last file a Form 4?
The most recent primary Form 4 on record is dated 5 March 2026, one of 2 filings going back to 2026.
Where can I see all of Nathan W. Ring's SEC 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.
Learn More
Follow Nathan W. Ring and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial
