Summary
Updated Aug 31, 2026
Anthony Thomas Clark is Director of NorthWestern Energy Group, Inc. (NWE). 2 SEC Form 4 filings on record, most recently on 13 December 2024. Most recent open-market trade: sold $384K of NWE on 13 December 2024. Lifetime open-market sales: $384K.
Recent Transactions
2Every recent SEC Form 4 transaction Anthony Thomas Clark has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Anthony Thomas Clark go back to 2024: 2 primary Form 4 filings, an average of 0.7 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as Anthony Thomas Clark. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- 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 Anthony Thomas Clark?
Anthony Thomas Clark is a corporate insider, tracked as Director of NorthWestern Energy Group, Inc. (NWE). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Anthony Thomas Clark last file a Form 4?
The most recent primary Form 4 on record is dated 13 December 2024, one of 2 filings going back to 2024.
Has Anthony Thomas Clark been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($384K) across all tracked filings.
Where can I see all of Anthony Thomas Clark'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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