Summary
Updated Aug 31, 2026
Carleton B. Simpson is SVP, Gen. Counsel & Secretary of UNITIL CORP (UTL). 1 SEC Form 4 filing on record, dated 29 January 2026.
Recent Transactions
2Every recent SEC Form 4 transaction Carleton B. Simpson has reported, most recent first.
Other Insiders Active in the Same Sector
No other insider has filed at Carleton B. Simpson's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Kelcy L. Warren - $55.02M of ET open-market activity in the last 12 months
- Thomas Earl - $44.83M of VG open-market activity in the last 12 months
- Hanwha Aerospace Co., Ltd. - $44.30M of NEXT open-market activity in the last 12 months
- Connect Midstream, LLC - $38.50M of SMC open-market activity in the last 12 months
- Richard Craig Bealmear - $30.18M of OKLO open-market activity in the last 12 months
- Richard D. Kinder - $25.96M of KMI 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 Carleton B. Simpson?
Carleton B. Simpson is a corporate insider, tracked as SVP, Gen. Counsel & Secretary of UNITIL CORP (UTL). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Carleton B. Simpson last file a Form 4?
The only primary Form 4 on record is dated 29 January 2026.
Where can I see all of Carleton B. Simpson'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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