---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-289191"
form_type: "8-K"
ticker: "UTL"
cik: "0000755001"
company_name: "UNITIL CORP"
filed_at: "2023-12-05T23:59:59+00:00"
generated_at: "2026-06-07T18:23:16.508015+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Unitil director Eben S. Moulton resigns after 23 years on board

## Summary
- Moulton resigned effective December 1, 2023, prior to term end in April 2025.
- He served on the board since 2000 and chaired the Compensation Committee from 2002 to 2017.
- Resignation is not due to a disagreement; he is pursuing personal retirement interests.
- No replacement has been announced for the vacant board seat.

## SEC filing metadata
- accession: 0001193125-23-289191
- form_type: 8-K
- ticker: UTL
- cik: 0000755001
- company_name: UNITIL CORP
- filed_at: 2023-12-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/755001/000119312523289191/0001193125-23-289191-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/755001/000119312523289191/d622278d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-289191
- JSON: https://secwatch.observer/filing/0001193125-23-289191.json
- Plain text: https://secwatch.observer/filing/0001193125-23-289191.txt

## Key facts
- Executive change
  Eben S. Moulton resigned as Director at UNITIL CORP.
  - Action: resigned
  - Role: Director
  source text: On December 1, 2023, Eben S. Moulton provided notice that he will resign as a member of the Board of Directors (the “Board”) of Unitil Corporation (the “Company”), effective December 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/755001/000119312523289191/0001193125-23-289191-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.