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.
Trading Pattern
InsiderAlpha's records for Carleton B. Simpson go back to 2026: 1 primary Form 4 filing, an average of 1.0 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 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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