Otter Tail Corp has filed 869 documents with the SEC available on Filing Fan. Browse annual reports (10-K), quarterly reports (10-Q), earnings releases (8-K), proxy statements, and more on Filing Fan. Filing Fan provides income statements, balance sheets, cash flow statements, and segment data parsed directly from EDGAR filings. All financial data is sourced from publicly available SEC regulatory filings.
| Form | Date | Description |
|---|---|---|
| 8-K | 2026-06-18 | Entry into a Material Definitive Agreement |
| 8-K | 2026-06-05 | Creation of a Direct Financial Obligation |
| SD | 2026-05-29 | Conflict Minerals Disclosure |
| 8-K | 2026-05-29 | Entry into a Material Definitive Agreement |
| 8-K | 2026-05-15 | Other Events |
| 10-Q | 2026-05-06 | Quarterly Report |
| 8-K | 2026-05-05 | Results of Operations and Financial Condition; Financial Statements and Exhibits |
| SC 13G | 2026-04-30 | Beneficial Ownership Report (Passive) |
| SC 13G | 2026-04-29 | Beneficial Ownership Report (Passive) |
| 4 | 2026-04-15 | Statement of Changes in Beneficial Ownership |