Otter Tail Corp — SC 13G/A Filings
22 SC 13G/A filings on record
This page lists all SC 13G/A 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 22 SC 13G/A 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 |
|---|---|---|---|---|
| SC 13G/A | SCHEDULE 13G/A | 0001104659-24-020098 | Feb 13, 2024 | — |
| SC 13G/A | — | 0001086364-24-001130 | Jan 22, 2024 | — |
| SC 13G/A | — | 0001306550-23-008794 | Mar 8, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-23-015135 | Feb 9, 2023 | — |
| SC 13G/A | — | 0001306550-23-005036 | Jan 31, 2023 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-22-016299 | Feb 9, 2022 | — |
| SC 13G/A | — | 0000834237-22-006338 | Feb 3, 2022 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-063597 | May 10, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-21-017253 | Feb 10, 2021 | — |
| SC 13G/A | — | 0000834237-21-004791 | Jan 29, 2021 | — |
| SC 13G/A | SCHEDULE 13G/A | 0001104659-20-017372 | Feb 12, 2020 | — |
| SC 13G/A | — | 0000834237-20-006002 | Feb 5, 2020 | — |
| SC 13G/A | — | 0000932471-19-005721 | Feb 11, 2019 | — |
| SC 13G/A | — | 0000215457-19-004990 | Feb 6, 2019 | — |
| SC 13G/A | — | 0000932471-18-006519 | Aug 8, 2018 | — |
| SC 13G/A | — | 0000932471-18-004030 | Feb 9, 2018 | — |
| SC 13G/A | — | 0000215457-18-003612 | Jan 29, 2018 | — |
| SC 13G/A | — | 0000932471-17-001628 | Feb 10, 2017 | — |
| SC 13G/A | — | 0000353480-17-001541 | Jan 25, 2017 | — |
| SC 13G/A | — | 0000932471-16-011934 | Feb 11, 2016 | — |
| SC 13G/A | — | 0000215457-16-003609 | Jan 27, 2016 | — |
| SC 13G/A | — | 0000932471-15-005428 | Feb 20, 2015 | — |