# Otter Tail Corp (OTTR)

> Cited company facts from SEC filings, by Steadybase. Web page: https://steadybase.io/company/otter-tail-corp/ JSON: https://steadybase.io/company/otter-tail-corp.json Checked Nov 10, 2026. Latest filing read: Nov 4, 2026.

## Company

- Legal name: Otter Tail Corp
- Ticker: OTTR (Nasdaq)
- SEC CIK: 0001466593
- Industry: Electric Services (SIC 4911)
- Headquarters: Fergus Falls, MN
- Fiscal year ends: December 31
- SEC filer category: Large accelerated filer
- Website: ottertail.com
- LinkedIn: https://www.linkedin.com/company/otter-tail-corporation
- Next earnings date: Feb 2, 2027 (estimated from past 8-K timing)

## Key facts

- Revenue: $1.3B for the fiscal year ended Dec 31, 2025 (10-K/A filed Feb 23, 2026). Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000015/0001466593-26-000015-index.html
- Operating income: $345.7M for the fiscal year ended Dec 31, 2025 (10-K/A filed Feb 23, 2026). Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000015/0001466593-26-000015-index.html
- Net income: $275.9M for the fiscal year ended Dec 31, 2025 (10-K/A filed Feb 23, 2026). Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000015/0001466593-26-000015-index.html
- SG&A: $82.6M for the fiscal year ended Dec 31, 2025 (10-K/A filed Feb 23, 2026). Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000015/0001466593-26-000015-index.html
- Employees: 2,198 as of Dec 31, 2025, as reported in an SEC filing. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000008/ottr-20251231.htm
- Shares outstanding: 41,985,580 as of Oct 31, 2026 (10-Q filed Nov 4, 2026). Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000081/0001466593-26-000081-index.html
- Auditor: Deloitte & Touche LLP, Minneapolis, Minnesota, named in the latest 10-K. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000008/ottr-20251231.htm

## Business

Otter Tail Corporation (OTC) is a holding company which has strategically invested in a portfolio of diversified operations including an electric utility and manufacturing and plastic pipe businesses. Our corporate offices are located in Fergus Falls, Minnesota and Fargo, North Dakota.

Source: Item 1. Business, https://www.sec.gov/Archives/edgar/data/1466593/000146659326000008/ottr-20251231.htm

## Annual results

| Fiscal year ended | Revenue | Operating income | Net income | SG&A |
|---|---|---|---|---|
| Dec 31, 2025 | $1.3B | $345.7M | $275.9M | $82.6M |
| Dec 31, 2024 | $1.3B | $380.3M | $301.7M | $80.1M |
| Dec 31, 2023 | $1.4B | $377.9M | $294.2M | $72.7M |
| Dec 31, 2022 | $1.5B | $390.4M | $284.2M | $69.7M |
| Dec 31, 2021 | $1.2B | $249.7M | $176.8M | $65.4M |

Each figure comes from the annual report for that year. Filing links for every figure: https://steadybase.io/company/otter-tail-corp.json

## Officers and directors

- Chuck MacFarlane, CEO. Source: 8-K filed Nov 3, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000146659326000078/a2026q3earningsreleaseex991.htm
- Charles S. MacFarlane, President and Chief Executive Officer. Source: 10-K filed Feb 18, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000146659326000008/ottr-20251231.htm
- Tyler J. Nelson, VP, Chief Financial Officer. LinkedIn: https://linkedin.com/in/tyler-nelson-20000443. Source: Form 4 filed Apr 15, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000212900226000004/0002129002-26-000004-index.htm
- Todd Wahlund, Vice President, Chief Financial Officer. Source: 10-K filed Feb 18, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000146659326000008/ottr-20251231.htm
- Timothy J. Rogelstad, President. Source: Form 4 filed Apr 15, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000160562126000007/0001605621-26-000007-index.htm
- Timothy Rogelstad, President of OTP and Senior Vice President, Electric Platform. Source: 10-K filed Feb 18, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000146659326000008/ottr-20251231.htm
- Jennifer O. Smestad, SVP General Counsel & Corp Sec. LinkedIn: https://linkedin.com/in/jennifer-smestad-7382b22a. Source: Form 4 filed Apr 15, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000172615326000007/0001726153-26-000007-index.htm
- Jennifer Smestad, Senior Vice President, General Counsel and Corporate Secretary. Source: 10-K filed Feb 18, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000146659326000008/ottr-20251231.htm
- Todd R. Wahlund, Senior Vice President. Source: Form 4 filed Apr 15, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000200207726000009/0002002077-26-000009-index.htm
- John Abbott, Senior Vice President, Manufacturing Platform. Source: 10-K filed Feb 18, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000146659326000008/ottr-20251231.htm
- John S. Abbott, Senior Vice President, Manufacturing Platform. LinkedIn: https://linkedin.com/in/john-abbott-a039abaa. Source: 10-K filed Feb 18, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000146659326000008/ottr-20251231.htm
- Paul L. Knutson, VP, Human Resources. LinkedIn: https://linkedin.com/in/paullknutson. Source: Form 4 filed Aug 12, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000155933426000010/0001559334-26-000010-index.htm
- Christopher Clark, Board member (per proxy). Source: DEF 14A filed Mar 2, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000146659326000023/ottr-20260302.htm
- Steven Rasche, Board member (per proxy). Source: DEF 14A filed Mar 2, 2026, https://www.sec.gov/Archives/edgar/data/1466593/000146659326000023/ottr-20260302.htm

## Recent 8-K events

- Nov 3, 2026: Item 2.02, Results of operations and financial condition (earnings release); Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000078/ottr-20261102.htm
- Sep 1, 2026: Item 5.02, Departure or appointment of directors or officers; compensation. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000074/ottr-20260828.htm
- Aug 4, 2026: Item 2.02, Results of operations and financial condition (earnings release); Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000068/ottr-20260803.htm
- Jun 18, 2026: Item 1.01, Entry into a material definitive agreement. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000063/ottr-20260617.htm
- Jun 5, 2026: Item 2.03, Creation of a direct financial obligation. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000061/ottr-20260604.htm
- May 29, 2026: Item 1.01, Entry into a material definitive agreement. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000057/ottr-20260528.htm
- May 15, 2026: Item 8.01, Other events. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000054/ottr-20260515.htm
- May 5, 2026: Item 2.02, Results of operations and financial condition (earnings release); Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000049/ottr-20260504.htm
- Apr 15, 2026: Item 5.07, Submission of matters to a vote of security holders. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000040/ottr-20260413.htm
- Apr 14, 2026: Item 5.02, Departure or appointment of directors or officers; compensation; Item 7.01, Regulation FD disclosure; Item 9.01, Financial statements and exhibits. Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000037/ottr-20260413.htm

## Insider trades (Form 4)

- Aug 11, 2026: Paul L. Knutson (VP, Human Resources) sold 725 shares, about $68,159. Source: https://www.sec.gov/Archives/edgar/data/1466593/000155933426000010/0001559334-26-000010-index.htm
- Aug 7, 2026: Paul L. Knutson (VP, Human Resources) sold 3,500 shares, about $325,885. Source: https://www.sec.gov/Archives/edgar/data/1466593/000155933426000006/0001559334-26-000006-index.htm

## What management said

- "Our team members continue to deliver on our strategic growth plan and near-term priorities amidst a challenging operating environment" Chuck MacFarlane, CEO (8-K filed Nov 3, 2026). Source: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000078/a2026q3earningsreleaseex991.htm

## Latest filings

- 8-K filed Nov 3, 2026: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000078/ottr-20261102.htm
- 10-K filed Feb 18, 2026: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000008/ottr-20251231.htm
- 10-Q filed Aug 5, 2026: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000071/ottr-20260630.htm
- DEF 14A filed Mar 2, 2026: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000023/ottr-20260302.htm

## About this data

SEC EDGAR filings, read by Steadybase. Every value links to the filing it came from.
Steadybase covers US-headquartered public companies that file with the SEC. API and MCP access: https://steadybase.io/docs/