Otter Tail Corp — Investor Relations & Filings
Filings indexed
846
across all filing types
Latest filing
2026-02-12
Director's Dealing
Country
US
United States of America
Listing
US
OTTR
Otter Tail Corporation is a holding company operating through a two-platform business model. Its Electric platform, through Otter Tail Power Company, provides electricity and energy services to residential, commercial, and industrial customers across parts of Minnesota, North Dakota, and South Dakota. The Manufacturing platform consists of several companies specializing in metal fabrication, the production of custom plastic parts, and PVC pipe for various markets. The corporation focuses on a strategy of combining a high-performing, low-cost electric utility with disciplined manufacturing operations.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 4 Filing | 2026-02-12 | English | |
| 4 Filing | 2026-02-12 | English | |
| 4 Filing | 2026-02-12 | English | |
| 4 - Otter Tail Corp (0001466593) (Issuer) | 2026-02-09 | English | |
| 4 - Otter Tail Corp (0001466593) (Issuer) | 2026-02-09 | English | |
| 4 - Otter Tail Corp (0001466593) (Issuer) | 2026-02-09 | English |
Browse filings by year
18 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
11 filings
| |||||
| 29927990 | 4 Filing | 2026-02-12 | English | ||
| 29927950 | 4 Filing | 2026-02-12 | English | ||
| 29927926 | 4 Filing | 2026-02-12 | English | ||
| 18536763 | 4 - Otter Tail Corp (0001466593) (Issuer) | 2026-02-09 | English | ||
| 18468923 | 4 - Otter Tail Corp (0001466593) (Issuer) | 2026-02-09 | English | ||
| 18428553 | 4 - Otter Tail Corp (0001466593) (Issuer) | 2026-02-09 | English | ||
| 32892196 | 4 - OTTER TAIL CORP (0001466593) (Filer) | 2026-02-09 | English | ||
| 18383569 | 4 - Otter Tail Corp (0001466593) (Issuer) | 2026-02-09 | English | ||
| 29927915 | 4 Filing | 2026-02-09 | English | ||
| 12287350 | FORM 3 | 2026-01-06 | English | ||
| 12287351 | FORM 3 | 2026-01-06 | English | ||
|
2025
4 filings
| |||||
| 12287352 | 8-K | 2025-12-18 | English | ||
| 12287354 | 10-Q | 2025-11-05 | English | ||
| 12287355 | 8-K | 2025-11-04 | English | ||
| 12287356 | 10-Q | 2025-08-06 | English | ||
Market data
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ALLETE INC
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Otter Tail Corp via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/31280/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=31280 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=31280 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
Full reference: API reference · OpenAPI schema
cURL
$ curl https://api.financialreports.eu/api/filings/?company=31280 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 31280}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for Otter Tail Corp (id: 31280)"
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