
Otter Tail Corp — Investor Relations & Filings
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 |
|---|---|---|---|
| 8-K | 2026-05-15 | English | |
| 10-Q - Otter Tail Corp (0001466593) (Filer) | 2026-05-06 | English | |
| 8-K - Otter Tail Corp (0001466593) (Filer) | 2026-05-05 | English | |
| 8-K - Otter Tail Corp (0001466593) (Filer) | 2026-04-15 | English | |
| 8-K - Otter Tail Corp (0001466593) (Filer) | 2026-04-14 | English | |
| SCHEDULE 13G/A - Otter Tail Corp (0001466593) (Subject) | 2026-03-27 | English |
Browse filings by year
18 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 46360060 | 8-K | 2026-05-15 | English | ||
| 41927795 | 10-Q - Otter Tail Corp (0001466593) (Filer) | 2026-05-06 | English | ||
| 41387214 | 8-K - Otter Tail Corp (0001466593) (Filer) | 2026-05-05 | English | ||
| 34581596 | 8-K - Otter Tail Corp (0001466593) (Filer) | 2026-04-15 | English | ||
| 34513461 | 8-K - Otter Tail Corp (0001466593) (Filer) | 2026-04-14 | English | ||
| 33062301 | SCHEDULE 13G/A - Otter Tail Corp (0001466593) (Subject) | 2026-03-27 | English | ||
| 33013946 | 8-K - Otter Tail Corp (0001466593) (Filer) | 2026-03-23 | English | ||
| 32892198 | ARS - OTTER TAIL CORP (0001466593) (Filer) | 2026-03-02 | English | ||
| 32892197 | DEF 14A - OTTER TAIL CORP (0001466593) (Filer) | 2026-03-02 | English | ||
| 32892199 | 10-K/A - OTTER TAIL CORP (0001466593) (Filer) | 2026-02-23 | English | ||
| 32892200 | 10-K - OTTER TAIL CORP (0001466593) (Filer) | 2026-02-18 | English | ||
| 29927920 | 8-K Filing | 2026-02-17 | English | ||
| 29928513 | 4 Filing | 2026-02-12 | English | ||
| 29928231 | 4 Filing | 2026-02-12 | English | ||
| 29928128 | 4 Filing | 2026-02-12 | English | ||
Market data
Market data not available
Price history
Peer group · Electric power transmission and distribution activities
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
One S.A.
Provides renewable energy solutions and technical guides fo…
|
FMG | PL | Electricity, gas, steam and air… |
|
ORES
Manages international sales of Spanish charcuterie and adap…
|
YORE | ES | Electricity, gas, steam and air… |
|
PERUSAHAAN PERSEROAN(PERSERO)PT PERUSAHAAN LISTRIK NEGARA
Operates as an integrated utility specializing in electrici…
|
5Q6B | ID | Electricity, gas, steam and air… |
|
PESTEC INTERNATIONAL BERHAD
Provides comprehensive solutions for HV/EHV electrical syst…
|
— | MY | Electricity, gas, steam and air… |
|
PG&E Corp
A utility providing natural gas and electric services in no…
|
PCG | US | Electricity, gas, steam and air… |
|
PGE Polska Grupa Energetyczna S.A.
Vertically integrated utility generating, distributing, and…
|
PGE | PL | Electricity, gas, steam and air… |
|
PINNACLE WEST CAPITAL CORP
Investor-owned electric utility holding company serving 1.4…
|
PNW | US | Electricity, gas, steam and air… |
|
POD POINT GROUP HOLDINGS PLC
Provider of electric vehicle charging solutions for home, w…
|
PODP | GB | Electricity, gas, steam and air… |
|
PORTLAND GENERAL ELECTRIC CO /OR/
A vertically integrated electric utility serving residentia…
|
POR | US | Electricity, gas, steam and air… |
|
Power Assets Holdings Limited
Global investment holding company specializing in energy an…
|
6 | HK | Electricity, gas, steam and air… |
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 |
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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