10-Q |
Report
| Data |
10-Q |
Nov 7, 2024 |
Sep 30, 2024 |
8-K |
Report
| Data |
8-K |
Nov 5, 2024 |
Nov 4, 2024 |
SC 13D/A |
Report
|
SC 13D/A |
Oct 3, 2024 |
|
10-Q |
Report
| Data |
10-Q |
Aug 7, 2024 |
Jun 30, 2024 |
8-K |
Report
| Data |
8-K |
Aug 6, 2024 |
Aug 5, 2024 |
8-K |
Report
| Data |
8-K |
Jun 5, 2024 |
May 30, 2024 |
10-Q |
Report
| Data |
10-Q |
May 8, 2024 |
Mar 31, 2024 |
8-K |
Report
| Data |
8-K |
May 7, 2024 |
May 6, 2024 |
8-K |
Report
| Data |
8-K |
Apr 10, 2024 |
Apr 8, 2024 |
8-K |
Report
| Data |
8-K |
Apr 5, 2024 |
Apr 2, 2024 |
8-K |
Report
| Data |
8-K |
Apr 2, 2024 |
Mar 28, 2024 |
10-K |
Report
| Data |
10-K |
Feb 14, 2024 |
Dec 31, 2023 |
SC 13G/A |
Report
|
SCHEDULE 13G/A |
Feb 13, 2024 |
|
8-K |
Report
| Data |
8-K |
Feb 13, 2024 |
Feb 12, 2024 |
8-K |
Report
| Data |
8-K |
Jan 29, 2024 |
Jan 26, 2024 |
SC 13G/A |
Report
|
|
Jan 22, 2024 |
|
8-K |
Report
| Data |
8-K |
Dec 21, 2023 |
Dec 15, 2023 |
10-Q |
Report
| Data |
10-Q |
Nov 3, 2023 |
Sep 30, 2023 |
8-K |
Report
| Data |
8-K |
Oct 31, 2023 |
Oct 30, 2023 |
8-K |
Report
| Data |
8-K |
Oct 4, 2023 |
Oct 2, 2023 |
10-Q |
Report
| Data |
10-Q |
Aug 2, 2023 |
Jun 30, 2023 |
8-K |
Report
| Data |
8-K |
Aug 1, 2023 |
Jul 31, 2023 |
8-K/A |
Report
| Data |
8-K/A |
Jun 20, 2023 |
Apr 16, 2023 |
10-Q |
Report
| Data |
10-Q |
May 3, 2023 |
Mar 31, 2023 |
8-K |
Report
| Data |
8-K |
May 2, 2023 |
May 1, 2023 |
8-K |
Report
| Data |
8-K |
Apr 19, 2023 |
Apr 16, 2023 |
8-K |
Report
| Data |
8-K |
Mar 31, 2023 |
Mar 31, 2023 |
SC 13G/A |
Report
|
|
Mar 8, 2023 |
|
10-K |
Report
| Data |
10-K |
Feb 15, 2023 |
Dec 31, 2022 |
8-K |
Report
| Data |
8-K |
Feb 14, 2023 |
Feb 13, 2023 |
SC 13G/A |
Report
|
SCHEDULE 13G/A |
Feb 9, 2023 |
|
SC 13G/A |
Report
|
|
Jan 31, 2023 |
|
8-K |
Report
| Data |
8-K |
Dec 22, 2022 |
Dec 21, 2022 |
10-Q |
Report
| Data |
10-Q |
Nov 2, 2022 |
Sep 30, 2022 |
8-K |
Report
| Data |
8-K |
Nov 1, 2022 |
Oct 31, 2022 |
8-K |
Report
| Data |
8-K |
Oct 19, 2022 |
Oct 14, 2022 |
8-K |
Report
| Data |
8-K |
Sep 23, 2022 |
Sep 21, 2022 |
10-Q |
Report
| Data |
10-Q |
Aug 3, 2022 |
Jun 30, 2022 |
8-K |
Report
| Data |
8-K |
Aug 2, 2022 |
Aug 1, 2022 |
8-K |
Report
| Data |
8-K |
May 23, 2022 |
May 20, 2022 |
10-Q |
Report
| Data |
10-Q |
May 4, 2022 |
Mar 31, 2022 |
8-K |
Report
| Data |
8-K |
May 3, 2022 |
May 2, 2022 |
8-K |
Report
| Data |
8-K |
Apr 14, 2022 |
Apr 11, 2022 |
10-K |
Report
| Data |
10-K |
Feb 16, 2022 |
Dec 31, 2021 |
8-K |
Report
| Data |
8-K |
Feb 15, 2022 |
Feb 14, 2022 |
SC 13G/A |
Report
|
SCHEDULE 13G/A |
Feb 9, 2022 |
|
SC 13G/A |
Report
|
|
Feb 3, 2022 |
|
8-K |
Report
| Data |
8-K |
Dec 15, 2021 |
Dec 14, 2021 |
8-K |
Report
| Data |
8-K |
Dec 1, 2021 |
Nov 29, 2021 |
10-Q |
Report
| Data |
10-Q |
Nov 3, 2021 |
Sep 30, 2021 |
8-K |
Report
| Data |
8-K |
Nov 2, 2021 |
Nov 1, 2021 |
8-K |
Report
| Data |
8-K |
Oct 4, 2021 |
Sep 30, 2021 |
8-K |
Report
| Data |
8-K |
Sep 2, 2021 |
Sep 1, 2021 |
10-Q |
Report
| Data |
10-Q |
Aug 6, 2021 |
Jun 30, 2021 |
8-K |
Report
| Data |
8-K |
Aug 3, 2021 |
Aug 2, 2021 |
8-K |
Report
| Data |
8-K |
Jun 14, 2021 |
Jun 10, 2021 |
SC 13G/A |
Report
|
SCHEDULE 13G/A |
May 10, 2021 |
|
10-Q |
Report
| Data |
10-Q |
May 7, 2021 |
Mar 31, 2021 |
8-K |
Report
| Data |
8-K |
May 4, 2021 |
May 3, 2021 |
8-K |
Report
| Data |
8-K |
Apr 14, 2021 |
Apr 12, 2021 |
10-K |
Report
| Data |
10-K |
Feb 19, 2021 |
Dec 31, 2020 |
8-K |
Report
| Data |
8-K |
Feb 16, 2021 |
Feb 15, 2021 |
SC 13G/A |
Report
|
SCHEDULE 13G/A |
Feb 10, 2021 |
|
SC 13G/A |
Report
|
|
Jan 29, 2021 |
|
10-Q |
Report
| Data |
FORM 10-Q |
Nov 6, 2020 |
Sep 30, 2020 |
8-K |
Report
| Data |
FORM 8-K |
Nov 3, 2020 |
Nov 2, 2020 |
8-K |
Report
| Data |
FORM 8-K |
Nov 2, 2020 |
Nov 2, 2020 |
8-K |
Report
| Data |
FORM 8-K |
Aug 20, 2020 |
Aug 20, 2020 |
10-Q |
Report
| Data |
FORM 10-Q |
Aug 7, 2020 |
Jun 30, 2020 |
8-K |
Report
| Data |
FORM 8-K |
Aug 4, 2020 |
Aug 3, 2020 |
10-Q |
Report
| Data |
FORM 10-Q |
May 8, 2020 |
Mar 31, 2020 |
8-K |
Report
| Data |
FORM 8-K |
May 6, 2020 |
May 5, 2020 |
8-K |
Report
| Data |
FORM 8-K |
Apr 22, 2020 |
Apr 20, 2020 |
8-K |
Report
| Data |
FORM 8-K |
Mar 20, 2020 |
Mar 20, 2020 |
8-K |
Report
| Data |
FORM 8-K |
Mar 17, 2020 |
Mar 17, 2020 |
8-K |
Report
| Data |
FORM 8-K |
Feb 26, 2020 |
Feb 25, 2020 |
SC 13D/A |
Report
|
SC 13D/A |
Feb 24, 2020 |
|
10-K |
Report
| Data |
FORM 10-K |
Feb 20, 2020 |
Dec 31, 2019 |
8-K |
Report
| Data |
FORM 8-K |
Feb 18, 2020 |
Feb 17, 2020 |
SC 13G/A |
Report
|
SCHEDULE 13G/A |
Feb 12, 2020 |
|
SC 13G/A |
Report
|
|
Feb 5, 2020 |
|
8-K |
Report
| Data |
FORM 8-K |
Dec 27, 2019 |
Dec 26, 2019 |
8-K |
Report
| Data |
FORM 8-K |
Nov 8, 2019 |
Nov 8, 2019 |
10-Q |
Report
| Data |
FORM 10-Q |
Nov 8, 2019 |
Sep 30, 2019 |
8-K |
Report
| Data |
FORM 8-K |
Nov 5, 2019 |
Oct 31, 2019 |
8-K |
Report
| Data |
FORM 8-K |
Oct 11, 2019 |
Oct 10, 2019 |
8-K |
Report
| Data |
FORM 8-K |
Sep 16, 2019 |
Sep 12, 2019 |
10-Q |
Report
| Data |
FORM 10-Q |
Aug 9, 2019 |
Jun 30, 2019 |
8-K |
Report
| Data |
FORM 8-K |
Aug 6, 2019 |
Aug 5, 2019 |
8-K |
Report
| Data |
FORM 8-K |
Jul 16, 2019 |
Jul 16, 2019 |
8-K |
Report
|
FORM 8-K |
Jun 11, 2019 |
Jun 11, 2019 |
10-Q |
Report
| Data |
FORM 10-Q |
May 9, 2019 |
Mar 31, 2019 |
8-K |
Report
|
FORM 8-K |
May 7, 2019 |
May 6, 2019 |
8-K |
Report
|
FORM 8-K |
Apr 9, 2019 |
Apr 8, 2019 |
10-K |
Report
| Data |
FORM 10-K |
Feb 22, 2019 |
Dec 31, 2018 |
8-K |
Report
|
FORM 8-K |
Feb 19, 2019 |
Feb 18, 2019 |
SC 13G/A |
Report
|
|
Feb 11, 2019 |
|
SC 13G/A |
Report
|
|
Feb 6, 2019 |
|
10-Q |
Report
| Data |
FORM 10-Q |
Nov 9, 2018 |
Sep 30, 2018 |
8-K |
Report
|
FORM 8-K |
Nov 6, 2018 |
Oct 31, 2018 |
10-Q |
Report
| Data |
FORM 10-Q |
Aug 9, 2018 |
Jun 30, 2018 |
SC 13G/A |
Report
|
|
Aug 8, 2018 |
|
8-K |
Report
|
FORM 8-K |
Aug 7, 2018 |
Aug 6, 2018 |
10-Q |
Report
| Data |
FORM 10-Q |
May 9, 2018 |
Mar 31, 2018 |
8-K |
Report
|
FORM 8-K |
May 8, 2018 |
May 7, 2018 |
8-K |
Report
|
FORM 8-K |
Apr 20, 2018 |
Apr 20, 2018 |
8-K |
Report
|
FORM 8-K |
Apr 10, 2018 |
Apr 9, 2018 |
10-K/A |
Report
|
FORM 10-K/A |
Feb 22, 2018 |
Dec 31, 2017 |
10-K |
Report
| Data |
FORM 10-K |
Feb 20, 2018 |
Dec 31, 2017 |
8-K |
Report
|
FORM 8-K |
Feb 13, 2018 |
Feb 7, 2018 |
SC 13G/A |
Report
|
|
Feb 9, 2018 |
|
SC 13G/A |
Report
|
|
Jan 29, 2018 |
|
8-K |
Report
|
FORM 8-K |
Dec 22, 2017 |
Dec 18, 2017 |
8-K |
Report
|
FORM 8-K |
Dec 19, 2017 |
Dec 19, 2017 |
8-K |
Report
|
FORM 8-K |
Nov 16, 2017 |
Nov 14, 2017 |
10-Q |
Report
| Data |
FORM 10-Q |
Nov 8, 2017 |
Sep 30, 2017 |
8-K |
Report
|
FORM 8-K |
Nov 2, 2017 |
Oct 31, 2017 |
8-K |
Report
|
FORM 8-K |
Sep 22, 2017 |
Sep 19, 2017 |
10-Q |
Report
| Data |
FORM 10-Q |
Aug 9, 2017 |
Jun 30, 2017 |
8-K |
Report
|
FORM 8-K |
Aug 8, 2017 |
Aug 7, 2017 |
8-K/A |
Report
|
FORM 8-K/A |
Jun 21, 2017 |
Jun 21, 2017 |
10-K/A |
Report
|
FORM 10-K/A (AMENDMENT NO. 1) |
May 15, 2017 |
Dec 31, 2016 |
10-Q |
Report
| Data |
FORM 10-Q |
May 9, 2017 |
Mar 31, 2017 |
8-K |
Report
|
FORM 8-K |
May 2, 2017 |
May 1, 2017 |
8-K |
Report
|
FORM 8-K |
Apr 11, 2017 |
Apr 10, 2017 |
10-K |
Report
| Data |
FORM 10-K |
Feb 22, 2017 |
Dec 31, 2016 |
SC 13G/A |
Report
|
|
Feb 10, 2017 |
|
8-K |
Report
|
FORM 8-K |
Feb 7, 2017 |
Feb 6, 2017 |
SC 13G/A |
Report
|
|
Jan 25, 2017 |
|
8-K |
Report
|
FORM 8-K |
Dec 15, 2016 |
Dec 13, 2016 |
8-K |
Report
|
FORM 8-K |
Nov 17, 2016 |
Nov 16, 2016 |
10-Q |
Report
| Data |
FORM 10-Q |
Nov 7, 2016 |
Sep 30, 2016 |
8-K |
Report
|
FORM 8-K |
Nov 3, 2016 |
Oct 31, 2016 |
8-K |
Report
|
FORM 8-K |
Sep 27, 2016 |
Sep 23, 2016 |
10-Q |
Report
| Data |
FORM 10-Q |
Aug 9, 2016 |
Jun 30, 2016 |
8-K |
Report
|
FORM 8-K |
Aug 9, 2016 |
Aug 8, 2016 |
10-Q |
Report
| Data |
FORM 10-Q |
May 9, 2016 |
Mar 31, 2016 |
8-K |
Report
| Data |
FORM 8-K |
May 3, 2016 |
May 2, 2016 |
8-K |
Report
|
FORM 8-K |
Apr 12, 2016 |
Apr 11, 2016 |
10-K |
Report
| Data |
FORM 10-K |
Feb 29, 2016 |
Dec 31, 2015 |
8-K |
Report
|
FORM 8-K |
Feb 16, 2016 |
Feb 16, 2016 |
SC 13G/A |
Report
|
|
Feb 11, 2016 |
|
8-K |
Report
|
FORM 8-K |
Feb 9, 2016 |
Feb 5, 2016 |
SC 13G/A |
Report
|
|
Jan 27, 2016 |
|
10-Q |
Report
| Data |
FORM 10-Q |
Nov 9, 2015 |
Sep 30, 2015 |
8-K |
Report
|
FORM 8-K |
Nov 3, 2015 |
Oct 29, 2015 |
10-Q |
Report
| Data |
FORM 10-Q |
Aug 10, 2015 |
Jun 30, 2015 |
8-K |
Report
|
FORM 8-K |
Aug 4, 2015 |
Aug 3, 2015 |
8-K |
Report
|
FORM 8-K |
Jun 15, 2015 |
Jun 12, 2015 |
8-K |
Report
|
FORM 8-K |
May 11, 2015 |
May 11, 2015 |
10-Q |
Report
| Data |
FROM 10-Q |
May 11, 2015 |
Mar 31, 2015 |
8-K |
Report
|
FORM 8-K |
May 5, 2015 |
May 4, 2015 |
8-K |
Report
|
FORM 8-K |
Apr 15, 2015 |
Apr 13, 2015 |
8-K |
Report
|
FORM 8-K |
Mar 18, 2015 |
Mar 16, 2015 |
10-K |
Report
| Data |
FORM 10-K |
Mar 2, 2015 |
Dec 31, 2014 |
SC 13G/A |
Report
|
|
Feb 20, 2015 |
|
8-K |
Report
|
FORM 8-K |
Feb 11, 2015 |
Feb 6, 2015 |
8-K |
Report
|
FORM 8-K |
Feb 10, 2015 |
Feb 9, 2015 |
SC 13G |
Report
|
|
Feb 3, 2015 |
|
10-Q |
Report
| Data |
FORM 10-Q |
Nov 10, 2014 |
Sep 30, 2014 |
8-K |
Report
|
FORM 8-K |
Nov 4, 2014 |
Nov 3, 2014 |
8-K |
Report
|
FORM 8-K |
Sep 26, 2014 |
Sep 22, 2014 |
10-Q |
Report
| Data |
FORM 10-Q |
Aug 11, 2014 |
Jun 30, 2014 |
8-K |
Report
|
FORM 8-K |
Aug 5, 2014 |
Aug 4, 2014 |
8-K |
Report
|
8-K |
May 14, 2014 |
May 8, 2014 |
10-Q |
Report
| Data |
FORM 10-Q |
May 12, 2014 |
Mar 31, 2014 |
8-K |
Report
|
FORM 8-K |
May 6, 2014 |
May 5, 2014 |
8-K |
Report
|
FORM 8-K |
Apr 17, 2014 |
Apr 14, 2014 |
8-K |
Report
|
FORM 8-K |
Apr 14, 2014 |
Apr 14, 2014 |
8-K |
Report
|
FORM 8-K |
Mar 5, 2014 |
Feb 27, 2014 |
10-K |
Report
| Data |
FORM 10-K |
Mar 3, 2014 |
Dec 31, 2013 |
8-K |
Report
|
FORM 8-K |
Feb 11, 2014 |
Feb 5, 2014 |
8-K |
Report
|
FORM 8-K |
Jan 31, 2014 |
Jan 30, 2014 |
8-K |
Report
|
FORM 8-K |
Dec 2, 2013 |
Nov 25, 2013 |
10-Q |
Report
| Data |
FORM 10-Q |
Nov 12, 2013 |
Sep 30, 2013 |
8-K |
Report
|
FORM 8-K |
Nov 5, 2013 |
Nov 4, 2013 |
8-K |
Report
|
FORM 8-K |
Nov 1, 2013 |
Oct 29, 2013 |
10-Q/A |
Report
|
FORM 10-Q (AMENDMENT NO. 1) |
Sep 27, 2013 |
Jun 30, 2013 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Aug 16, 2013 |
Aug 14, 2013 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Aug 15, 2013 |
Aug 15, 2013 |
10-Q |
Report
| Data |
FORM 10-Q |
Aug 9, 2013 |
Jun 30, 2013 |
8-K |
Report
|
OTTER TAIL CORP. 8-K |
Aug 6, 2013 |
Aug 5, 2013 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
May 20, 2013 |
May 14, 2013 |
10-Q |
Report
| Data |
FORM 10-Q |
May 10, 2013 |
Mar 31, 2013 |
8-K |
Report
|
OTTER TAIL CORP. 8-K |
May 7, 2013 |
May 6, 2013 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Apr 10, 2013 |
Apr 8, 2013 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Mar 7, 2013 |
Mar 1, 2013 |
10-K |
Report
| Data |
FORM 10-K |
Feb 27, 2013 |
Dec 31, 2012 |
8-K |
Report
|
OTTER TAIL CORPORATION 8K |
Feb 22, 2013 |
Feb 5, 2013 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Feb 12, 2013 |
Feb 11, 2013 |
10-Q |
Report
| Data |
FORM 10-Q |
Nov 9, 2012 |
Sep 30, 2012 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Nov 6, 2012 |
Nov 5, 2012 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Nov 2, 2012 |
Oct 29, 2012 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Oct 15, 2012 |
Oct 10, 2012 |
10-Q |
Report
| Data |
FORM 10-Q |
Aug 9, 2012 |
Jun 30, 2012 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Aug 7, 2012 |
Aug 6, 2012 |
SC 13D/A |
Report
|
SC 13D/A |
Jul 16, 2012 |
|
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Jul 16, 2012 |
Jul 13, 2012 |
8-K |
Report
|
FORM 8-K |
May 14, 2012 |
May 14, 2012 |
10-Q |
Report
| Data |
OTTER TAIL CORPORATION 10-Q |
May 10, 2012 |
Mar 31, 2012 |
8-K |
Report
|
OTTER TAIL CORP. 8-K |
May 8, 2012 |
May 7, 2012 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Apr 19, 2012 |
Apr 16, 2012 |
8-K |
Report
|
OTTER TAIL CORPORATION 8K |
Mar 20, 2012 |
Mar 14, 2012 |
10-K |
Report
| Data |
OTTER TAIL CORPORATION 10-K |
Feb 29, 2012 |
Dec 31, 2011 |
8-K |
Report
|
OTTER TAIL CORP. 8-K |
Feb 7, 2012 |
Feb 6, 2012 |
8-K |
Report
|
FORM 8-K |
Jan 9, 2012 |
Jan 6, 2012 |
SC 13D/A |
Report
|
SC 13D/A |
Jan 9, 2012 |
|
8-K |
Report
|
FORM 8-K |
Jan 6, 2012 |
Jan 3, 2012 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Dec 30, 2011 |
Dec 29, 2011 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Dec 20, 2011 |
Dec 16, 2011 |
SC 13D/A |
Report
|
SC 13D/A |
Dec 13, 2011 |
|
8-K |
Report
|
FORM 8-K |
Dec 13, 2011 |
Dec 12, 2011 |
8-K |
Report
|
FORM 8-K |
Dec 6, 2011 |
Dec 1, 2011 |
10-Q |
Report
| Data |
OTTER TAIL CORPORATION 10-Q |
Nov 9, 2011 |
Sep 30, 2011 |
SC 13D/A |
Report
|
SC 13D/A |
Nov 4, 2011 |
|
8-K |
Report
|
OTTER TAIL CORP. 8-K |
Nov 4, 2011 |
Nov 3, 2011 |
8-K |
Report
|
FORM 8-K |
Sep 9, 2011 |
Sep 8, 2011 |
10-Q |
Report
| Data |
OTTER TAIL CORPORATION 10-Q |
Aug 9, 2011 |
Jun 30, 2011 |
8-K |
Report
|
OTTER TAIL CORP. 8-K |
Aug 9, 2011 |
Aug 8, 2011 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Aug 3, 2011 |
Jul 29, 2011 |
10-Q |
Report
| Data |
OTTER TAIL CORPORATION 10-Q |
May 10, 2011 |
Mar 31, 2011 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
May 10, 2011 |
May 9, 2011 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Apr 15, 2011 |
Apr 11, 2011 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Mar 8, 2011 |
Mar 3, 2011 |
10-K |
Report
| Data |
OTTER TAIL CORP. 10-K |
Feb 28, 2011 |
Dec 31, 2010 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Feb 8, 2011 |
Feb 7, 2011 |
10-Q |
Report
| Data |
OTTER TAIL CORPORATION 10-Q |
Nov 8, 2010 |
Sep 30, 2010 |
8-K |
Report
|
OTTER TAIL CORPORATION 8-K |
Oct 29, 2010 |
Oct 28, 2010 |
8-K |
Report
|
FORM 8-K |
Oct 4, 2010 |
Sep 30, 2010 |
10-Q |
Report
| Data |
OTTER TAIL CORPORATION 10-Q |
Aug 9, 2010 |
Jun 30, 2010 |
SC 13D/A |
Report
|
SC 13D/A |
Aug 3, 2010 |
|
8-K |
Report
|
FORM 8-K |
Aug 3, 2010 |
Jul 29, 2010 |
SC 13D/A |
Report
|
SC 13D/A |
Jun 29, 2010 |
|
8-K |
Report
|
FORM 8-K |
Jun 29, 2010 |
Jun 23, 2010 |
8-K |
Report
|
FORM 8-K |
May 10, 2010 |
May 4, 2010 |
10-Q |
Report
|
FORM 10-Q |
May 7, 2010 |
Mar 31, 2010 |
8-K |
Report
|
OTTER TAIL CORP. 8-K |
May 4, 2010 |
May 3, 2010 |
8-K |
Report
|
FORM 8-K |
Apr 14, 2010 |
Apr 12, 2010 |
8-K |
Report
|
FORM 8-K |
Apr 5, 2010 |
Apr 5, 2010 |
8-K |
Report
|
FORM 8-K |
Mar 17, 2010 |
Mar 17, 2010 |
10-K |
Report
|
FORM 10-K |
Feb 26, 2010 |
Dec 31, 2009 |
8-K |
Report
|
FORM 8-K |
Feb 9, 2010 |
Feb 8, 2010 |
10-Q |
Report
|
FORM 10-Q |
Nov 9, 2009 |
Sep 30, 2009 |
10-Q |
Report
|
FORM 10-Q |
Aug 7, 2009 |
Jun 30, 2009 |