David Hugo Anderson holds the role of CEO at Northwest Natural Holding Co (NWN). Anderson's filing history also covers NATIONAL FUEL GAS CO (NFG). Anderson has reported 24 insider filings with the SEC since 2024. The most recent filing was in August 2026.
Every role David Hugo Anderson has reported on a Form 4, reconstructed from the filings themselves. Reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
Updated Aug 30, 2026
David Hugo Anderson is Director of Northwest Natural Holding Co (NWN). 24 SEC Form 4 filings on record going back to 2024, most recently on 18 August 2026. Most recent open-market trade: sold $76K of NWN on 18 August 2026. Lifetime open-market sales: $4.01M.
Every recent SEC Form 4 transaction David Hugo Anderson has reported, most recent first.
InsiderAlpha's records for David Hugo Anderson go back to 2024: 24 primary Form 4 filings, an average of 8.0 per year. 8 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Insiders who reported open-market trades in the last 12 months at the companies David Hugo Anderson files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
David Hugo Anderson is a corporate insider, tracked as Director of Northwest Natural Holding Co (NWN). InsiderAlpha holds 24 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
4 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases and 16 open-market sales ($4.01M) 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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