Summary
Updated Aug 30, 2026
Jeffrey B. Berzina is Controller of NorthWestern Energy Group, Inc. (NWE). 2 SEC Form 4 filings on record, most recently on 2 March 2026.
Recent Transactions
3Every recent SEC Form 4 transaction Jeffrey B. Berzina has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as Jeffrey B. Berzina. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Anthony Thomas Clark - $384K of NWE open-market activity on record
- Britt E. Ide - $37K of NWE open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Jeffrey B. Berzina?
Jeffrey B. Berzina is a corporate insider, tracked as Controller of NorthWestern Energy Group, Inc. (NWE). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Jeffrey B. Berzina last file a Form 4?
The most recent primary Form 4 on record is dated 2 March 2026, one of 2 filings going back to 2026.
Where can I see all of Jeffrey B. Berzina'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.
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