UNITIL CORP — 8-K Filings
212 8-K filings on record
This page lists all 8-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 212 8-K 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 |
|---|---|---|---|---|
| 8-K | 8-K | 0001193125-26-067209 | Feb 24, 2026 | Feb 19, 2026 |
| 8-K | 8-K | 0001193125-26-033824 | Feb 2, 2026 | Jan 27, 2026 |
| 8-K | 8-K | 0001193125-26-029469 | Jan 29, 2026 | Jan 23, 2026 |
| 8-K | 8-K | 0001193125-25-324977 | Dec 18, 2025 | Dec 15, 2025 |
| 8-K | 8-K | 0001193125-25-264824 | Nov 4, 2025 | Oct 29, 2025 |
| 8-K | 8-K | 0001193125-25-262797 | Nov 3, 2025 | Oct 31, 2025 |
| 8-K | 8-K | 0001193125-25-181993 | Aug 18, 2025 | Aug 14, 2025 |
| 8-K | 8-K | 0001193125-25-158782 | Jul 14, 2025 | Jul 8, 2025 |
| 8-K | 8-K | 0001193125-25-134288 | Jun 4, 2025 | Jun 3, 2025 |
| 8-K | 8-K | 0001193125-25-117855 | May 12, 2025 | May 6, 2025 |
| 8-K | 8-K | 0001193125-25-112835 | May 5, 2025 | Apr 30, 2025 |
| 8-K | 8-K | 0001193125-25-105646 | Apr 30, 2025 | — |
| 8-K | 8-K | 0001193125-25-073493 | Apr 4, 2025 | Mar 31, 2025 |
| 8-K | 8-K | 0001193125-25-020122 | Feb 4, 2025 | Jan 29, 2025 |
| 8-K | 8-K | 0001193125-24-251276 | Nov 5, 2024 | Oct 30, 2024 |
| 8-K | 8-K | 0001193125-24-207775 | Aug 27, 2024 | Aug 21, 2024 |
| 8-K | 8-K | 0001193125-24-181278 | Jul 19, 2024 | Jul 18, 2024 |
| 8-K | 8-K | 0001193125-24-178604 | Jul 12, 2024 | Jul 8, 2024 |
| 8-K | 8-K | 0001193125-24-133173 | May 7, 2024 | May 1, 2024 |
| 8-K | 8-K | 0001193125-24-126364 | May 1, 2024 | — |
| 8-K | 8-K | 0001193125-23-289191 | Dec 5, 2023 | Dec 1, 2023 |
| 8-K | 8-K | 0001193125-23-219155 | Aug 23, 2023 | Aug 17, 2023 |
| 8-K | 8-K | 0001193125-23-185358 | Jul 11, 2023 | Jul 6, 2023 |
| 8-K | 8-K | 0001193125-23-161689 | Jun 6, 2023 | Jun 1, 2023 |
| 8-K | 8-K | 0001193125-23-132580 | May 2, 2023 | Apr 26, 2023 |
| 8-K | 8-K | 0001193125-23-122447 | Apr 27, 2023 | Apr 26, 2023 |
| 8-K | 8-K | 0001193125-23-116886 | Apr 26, 2023 | — |
| 8-K | 8-K | 0001193125-23-022800 | Feb 2, 2023 | Feb 1, 2023 |
| 8-K | 8-K | 0001193125-23-019155 | Jan 30, 2023 | Jan 24, 2023 |
| 8-K | 8-K | 0001193125-22-274998 | Nov 1, 2022 | Oct 26, 2022 |
| 8-K | 8-K | 0001193125-22-258202 | Oct 5, 2022 | Sep 29, 2022 |
| 8-K | 8-K | 0001193125-22-154072 | May 18, 2022 | May 12, 2022 |
| 8-K | 8-K | 0001193125-22-138779 | May 3, 2022 | Apr 27, 2022 |
| 8-K | 8-K | 0001193125-22-121666 | Apr 27, 2022 | — |
| 8-K | 8-K | 0001193125-22-079564 | Mar 18, 2022 | Mar 14, 2022 |
| 8-K | 8-K | 0001193125-21-237962 | Aug 5, 2021 | Aug 3, 2021 |
| 8-K | 8-K | 0001193125-21-195173 | Jun 21, 2021 | — |
| 8-K | 8-K | 0001193125-21-150098 | May 4, 2021 | Apr 28, 2021 |
| 8-K | 8-K | 0001193125-21-135523 | Apr 28, 2021 | — |
| 8-K | 8-K | 0001193125-21-106379 | Apr 5, 2021 | Apr 2, 2021 |
| 8-K | 8-K | 0001193125-21-078586 | Mar 12, 2021 | Mar 11, 2021 |
| 8-K | 8-K | 0001193125-20-307936 | Dec 2, 2020 | Nov 30, 2020 |
| 8-K | 8-K | 0001193125-20-250247 | Sep 21, 2020 | Sep 15, 2020 |
| 8-K | 8-K | 0001193125-20-209346 | Aug 4, 2020 | Jul 29, 2020 |
| 8-K | 8-K | 0001193125-20-177694 | Jun 24, 2020 | Jun 18, 2020 |
| 8-K | 8-K | 0001193125-20-172499 | Jun 18, 2020 | Jun 16, 2020 |
| 8-K | 8-K | 0001193125-20-133859 | May 5, 2020 | Apr 29, 2020 |
| 8-K | 8-K | 0001193125-20-112979 | Apr 21, 2020 | Apr 17, 2020 |
| 8-K | 8-K | 0001193125-20-100003 | Apr 7, 2020 | Mar 26, 2020 |
| 8-K | 8-K | 0001193125-20-086990 | Mar 26, 2020 | — |