Summary
Updated Aug 31, 2026
Charles R. Matthews files SEC Form 4 reports at ALLETE INC (ALE). 1 SEC Form 4 filing on record, dated 16 December 2025.
Recent Transactions
3Every recent SEC Form 4 transaction Charles R. Matthews has reported, most recent first.
Other Insiders Active in the Same Sector
No other insider has filed at Charles R. Matthews's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Cory Anne Roclawski - $2.07M of KGS open-market activity in the last 12 months
- Isaac Angel - $2.03M of ORA open-market activity in the last 12 months
- Matthew K. Schatzman - $2.01M of NEXT open-market activity in the last 12 months
- Eric W. Gerstenberg - $1.80M of CLH open-market activity in the last 12 months
- Terrell Kirk Crews II - $1.78M of NEE open-market activity in the last 12 months
- Benjamin G. S. Fowke III - $1.74M of AEP 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 Charles R. Matthews?
Charles R. Matthews is a corporate insider of ALLETE INC (ALE). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Charles R. Matthews last file a Form 4?
The only primary Form 4 on record is dated 16 December 2025.
Where can I see all of Charles R. Matthews'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 Charles R. Matthews 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
