Summary
Updated Aug 31, 2026
Justin Eisfeller is CTO of UNITIL CORP (UTL). 1 SEC Form 4 filing on record, dated 29 January 2026.
Recent Transactions
3Every recent SEC Form 4 transaction Justin Eisfeller has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Justin Eisfeller 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 Justin Eisfeller's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- John R. Sult - $1.10M of VST open-market activity in the last 12 months
- Jessica Woelfel - $1.10M of ORA open-market activity in the last 12 months
- Pedro R. Buhigas - $1.09M of KGS open-market activity in the last 12 months
- Patricia K. Poppe - $1.07M of PCG open-market activity in the last 12 months
- Christopher W. Porter - $1.07M of USAC open-market activity in the last 12 months
- John O. Hudson III - $1.05M of ETR 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 Justin Eisfeller?
Justin Eisfeller is a corporate insider, tracked as CTO 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 Justin Eisfeller last file a Form 4?
The only primary Form 4 on record is dated 29 January 2026.
Where can I see all of Justin Eisfeller'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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