Otter Tail Corp — 8-K Filings
164 8-K filings on record
This page lists all 8-K filings submitted to the SEC by Otter Tail Corp (OTTR), sorted by most recent first. Each row links to the full filing on EdgarLookup. Otter Tail Corp has filed 164 8-K documents with the SEC since 2009. To view all SEC filings by Otter Tail Corp, see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
144
15-12G
3
3/A
4
4/A
424B2
424B5
5
8-K
8-K/A
8-K12G3
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
DEFR14A
FWP
POSASR
PRE 14A
S-3ASR
S-8
S-8 POS
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | FORM 8-K | 0001437749-20-022227 | Nov 2, 2020 | — |
| 8-K | FORM 8-K | 0001437749-20-018453 | Aug 20, 2020 | — |
| 8-K | FORM 8-K | 0001437749-20-016399 | Aug 4, 2020 | Aug 3, 2020 |
| 8-K | FORM 8-K | 0001437749-20-009521 | May 6, 2020 | May 5, 2020 |
| 8-K | FORM 8-K | 0001437749-20-008169 | Apr 22, 2020 | Apr 20, 2020 |
| 8-K | FORM 8-K | 0001437749-20-005746 | Mar 20, 2020 | — |
| 8-K | FORM 8-K | 0001437749-20-005451 | Mar 17, 2020 | — |
| 8-K | FORM 8-K | 0001437749-20-003598 | Feb 26, 2020 | Feb 25, 2020 |
| 8-K | FORM 8-K | 0001437749-20-002859 | Feb 18, 2020 | Feb 17, 2020 |
| 8-K | FORM 8-K | 0001437749-19-024938 | Dec 27, 2019 | Dec 26, 2019 |
| 8-K | FORM 8-K | 0001104659-19-061722 | Nov 8, 2019 | — |
| 8-K | FORM 8-K | 0001437749-19-021527 | Nov 5, 2019 | Oct 31, 2019 |
| 8-K | FORM 8-K | 0001437749-19-019954 | Oct 11, 2019 | Oct 10, 2019 |
| 8-K | FORM 8-K | 0001437749-19-018451 | Sep 16, 2019 | Sep 12, 2019 |
| 8-K | FORM 8-K | 0001437749-19-015564 | Aug 6, 2019 | Aug 5, 2019 |
| 8-K | FORM 8-K | 0001437749-19-014093 | Jul 16, 2019 | — |
| 8-K | FORM 8-K | 0001437749-19-011817 | Jun 11, 2019 | — |
| 8-K | FORM 8-K | 0001437749-19-008915 | May 7, 2019 | May 6, 2019 |
| 8-K | FORM 8-K | 0001437749-19-006786 | Apr 9, 2019 | Apr 8, 2019 |
| 8-K | FORM 8-K | 0001437749-19-002809 | Feb 19, 2019 | Feb 18, 2019 |
| 8-K | FORM 8-K | 0001437749-18-019593 | Nov 6, 2018 | Oct 31, 2018 |
| 8-K | FORM 8-K | 0001437749-18-014644 | Aug 7, 2018 | Aug 6, 2018 |
| 8-K | FORM 8-K | 0001437749-18-008927 | May 8, 2018 | May 7, 2018 |
| 8-K | FORM 8-K | 0001437749-18-007278 | Apr 20, 2018 | — |
| 8-K | FORM 8-K | 0001437749-18-006587 | Apr 10, 2018 | Apr 9, 2018 |
| 8-K | FORM 8-K | 0001437749-18-002297 | Feb 13, 2018 | Feb 7, 2018 |
| 8-K | FORM 8-K | 0001437749-17-021115 | Dec 22, 2017 | Dec 18, 2017 |
| 8-K | FORM 8-K | 0001437749-17-020893 | Dec 19, 2017 | — |
| 8-K | FORM 8-K | 0001437749-17-019490 | Nov 16, 2017 | Nov 14, 2017 |
| 8-K | FORM 8-K | 0001437749-17-018082 | Nov 2, 2017 | Oct 31, 2017 |
| 8-K | FORM 8-K | 0001437749-17-016227 | Sep 22, 2017 | Sep 19, 2017 |
| 8-K | FORM 8-K | 0001437749-17-014015 | Aug 8, 2017 | Aug 7, 2017 |
| 8-K | FORM 8-K | 0001571049-17-004307 | May 2, 2017 | May 1, 2017 |
| 8-K | FORM 8-K | 0001571049-17-003410 | Apr 11, 2017 | Apr 10, 2017 |
| 8-K | FORM 8-K | 0001571049-17-001078 | Feb 7, 2017 | Feb 6, 2017 |
| 8-K | FORM 8-K | 0001571049-16-020666 | Dec 15, 2016 | Dec 13, 2016 |
| 8-K | FORM 8-K | 0001571049-16-019964 | Nov 17, 2016 | Nov 16, 2016 |
| 8-K | FORM 8-K | 0001571049-16-019376 | Nov 3, 2016 | Oct 31, 2016 |
| 8-K | FORM 8-K | 0001571049-16-018471 | Sep 27, 2016 | Sep 23, 2016 |
| 8-K | FORM 8-K | 0001571049-16-017247 | Aug 9, 2016 | Aug 8, 2016 |
| 8-K | FORM 8-K | 0001571049-16-014683 | May 3, 2016 | May 2, 2016 |
| 8-K | FORM 8-K | 0001571049-16-013823 | Apr 12, 2016 | Apr 11, 2016 |
| 8-K | FORM 8-K | 0001571049-16-011826 | Feb 16, 2016 | — |
| 8-K | FORM 8-K | 0001571049-16-011604 | Feb 9, 2016 | Feb 5, 2016 |
| 8-K | FORM 8-K | 0001571049-15-008721 | Nov 3, 2015 | Oct 29, 2015 |
| 8-K | FORM 8-K | 0001571049-15-006174 | Aug 4, 2015 | Aug 3, 2015 |
| 8-K | FORM 8-K | 0001571049-15-005021 | Jun 15, 2015 | Jun 12, 2015 |
| 8-K | FORM 8-K | 0001193125-15-182141 | May 11, 2015 | — |
| 8-K | FORM 8-K | 0001571049-15-003597 | May 5, 2015 | May 4, 2015 |
| 8-K | FORM 8-K | 0001571049-15-002824 | Apr 15, 2015 | Apr 13, 2015 |