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.
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 | — |