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UNITIL CORP — 424B5 Filings

13 424B5 filings on record

This page lists all 424B5 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 13 424B5 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
424B5 424B5 0001193125-26-059567 Feb 19, 2026
424B5 424B5 0001193125-25-181992 Aug 18, 2025
424B5 424B5 0001193125-25-180794 Aug 14, 2025
424B5 424B5 0001193125-25-134192 Jun 3, 2025
424B5 424B5 0001193125-21-237943 Aug 5, 2021
424B5 424B5 0001193125-21-235069 Aug 3, 2021
424B5 424B5 0001193125-17-367497 Dec 12, 2017
424B5 424B5 0001193125-17-366251 Dec 11, 2017
424B5 424(B)(5) 0001193125-12-227665 May 11, 2012
424B5 PROSPECTUS SUPPLEMENT 0001193125-12-218444 May 8, 2012
424B5 424(B)(5) 0001193125-09-116563 May 21, 2009
424B5 424(B)(5) 0001193125-09-111536 May 14, 2009
424B5 FORM 424(B)(5) 0001193125-08-252162 Dec 12, 2008