Mardilyn Saathoff
Chief Legal Officer & SVP, Reg · Northwest Natural Holding Co
- 2025
- Mar 9, 2026
- 3
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mardilyn Saathoff 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.
- David Hugo Anderson - $1.01M in NWN purchases and sales in the last 12 months
- David A. Weber - $89K in NWN purchases and sales in the last 12 months
- Justin Palfreyman - $60K in NWN purchases and sales in the last 12 months
- Peter J. Bragdon - $20K in NWN purchases and sales in the last 12 months
- Kimberly Heiting Rush - $61 in NWN purchases and sales in the last 12 months
- Joseph S. Karney - $60 in NWN purchases and sales in the last 12 months
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Frequently asked questions
Who is Mardilyn Saathoff?
Mardilyn Saathoff is a corporate insider, tracked as Chief Legal Officer & SVP, Reg of Northwest Natural Holding Co (NWN). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Mardilyn Saathoff last file a Form 4?
The most recent primary Form 4 on record is dated 9 March 2026, one of 3 filings going back to 2025.
Has Mardilyn Saathoff been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($53) across all tracked filings.
