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UNITIL CORP — 11-K Filings

29 11-K filings on record

This page lists all 11-K filings submitted to the SEC by UNITIL CORP (UTL), sorted by most recent first. Each row links to the full filing on EdgarLookup. UNITIL CORP has filed 29 11-K documents with the SEC since 2006. To view all SEC filings by UNITIL CORP, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 11-K 11-K/A 25 3 35-CERT 4 4/A 424B4 424B5 5 5/A 8-A12B/A 8-K 8-K/A ARS CERTNYS CORRESP DEF 14A DEFA14A EFFECT FWP NO ACT NT 10-K POS AMC PRE 14A RW S-3 S-3/A S-3ASR S-3D S-3DPOS S-3MEF S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A SE U-1 U-1/A U-13-60 U-13-60/A U-6B-2 U-9C-3 U5S UPLOAD
Form Description Accession Number Filed Period
11-K 11-K 0001193125-25-146416 Jun 25, 2025 Dec 31, 2024
11-K 11-K 0001193125-24-169858 Jun 27, 2024 Dec 31, 2023
11-K 11-K 0001193125-23-160627 Jun 5, 2023 Dec 31, 2022
11-K 11-K 0001193125-22-179762 Jun 23, 2022 Dec 31, 2021
11-K 11-K 0001193125-21-194755 Jun 21, 2021 Dec 31, 2020
11-K 11-K 0001193125-20-177486 Jun 24, 2020 Dec 31, 2019
11-K FORM 11-K 0001193125-19-166743 Jun 6, 2019 Dec 31, 2018
11-K FORM 11-K 0001193125-18-190205 Jun 12, 2018 Dec 31, 2017
11-K FORM 11-K 0001193125-17-196584 Jun 7, 2017 Dec 31, 2016
11-K FORM 11-K 0001193125-16-616312 Jun 8, 2016 Dec 31, 2015
11-K FORM 11-K 0001193125-15-220136 Jun 11, 2015 Dec 31, 2014
11-K FORM 11-K 0001193125-14-233079 Jun 11, 2014 Dec 31, 2013
11-K FORM 11-K 0001193125-13-265869 Jun 20, 2013 Dec 31, 2012
11-K FORM 11-K 0001193125-12-284867 Jun 27, 2012 Dec 31, 2011
11-K FORM 11-K 0001193125-11-171811 Jun 23, 2011 Dec 31, 2010
11-K FORM 11-K 0001193125-10-143072 Jun 21, 2010 Dec 31, 2009
11-K FORM 11-K 0001193125-09-140065 Jun 29, 2009 Dec 31, 2008
11-K FORM 11-K 0001193125-08-143489 Jun 30, 2008 Dec 31, 2007
11-K FORM 11-K 0001193125-07-146595 Jun 29, 2007 Dec 31, 2006
11-K FORM 11-K 0001193125-06-135459 Jun 26, 2006 Dec 31, 2005
11-K FORM 11-K 0001193125-05-134459 Jun 29, 2005 Dec 31, 2004
11-K FORM 11K 0001193125-04-107138 Jun 23, 2004 Dec 31, 2003
11-K WEB VERSION 0000755001-03-000025 Jun 25, 2003 Dec 31, 2002
11-K 2001 FORM 11-K - WEB VERSION 0000755001-02-000010 Jun 17, 2002 Dec 31, 2001
11-K 2000 FORM 11K - WEB VERSION 0000755001-01-500011 Jun 28, 2001 Dec 31, 2000
11-K — 0000755001-00-000011 Jun 28, 2000 Dec 31, 1999
11-K — 0000755001-99-000016 Jun 29, 1999 Dec 31, 1998
11-K — 0000755001-98-000010 Jul 1, 1998 Dec 31, 1997
11-K — 0000755001-97-000013 Jun 26, 1997 Dec 31, 1996