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Otter Tail Corp.

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  • OTTR ยท Nasdaq
  • Electric Services
  • Fergus Falls, MN
  • 2,198 employees
  • CIK 0001466593

Updated from SEC filings through

Top things to know

Executives

What leadership is saying

“Our team members continue to deliver on our strategic growth plan and near-term priorities amidst a challenging operating environment”

Chuck MacFarlane, CEO
Earnings press release (8-K Ex. 99.1), filed November 3, 2026

Otter Tail Corp is a U.S. public company in electric services (SIC 4911), headquartered in Fergus Falls, MN. It trades as OTTR on Nasdaq. Revenue was $1.3B in the fiscal year ending December 31, 2025, -2.3% from the year before. It reported about 2,198 employees. Chuck MacFarlane is CEO.

Five-year financials

MetricFY2025FY2024FY2023FY2022FY2021
Revenue $1.3B
10-K/A, 2026-02-23
$1.3B
10-K/A, 2026-02-23
$1.4B
10-K/A, 2026-02-23
$1.5B
10-K, 2025-02-19
$1.2B
10-K, 2024-02-14
Operating income $346M
10-K/A, 2026-02-23
$380M
10-K/A, 2026-02-23
$378M
10-K/A, 2026-02-23
$390M
10-K, 2025-02-19
$250M
10-K, 2024-02-14
SG&A $82.6M
10-K/A, 2026-02-23
$80.1M
10-K/A, 2026-02-23
$72.7M
10-K/A, 2026-02-23
$69.7M
10-K, 2025-02-19
$65.4M
10-K, 2024-02-14
Net income $276M
10-K/A, 2026-02-23
$302M
10-K/A, 2026-02-23
$294M
10-K/A, 2026-02-23
$284M
10-K, 2025-02-19
$177M
10-K, 2024-02-14

Annual figures from XBRL in each company's own filings. Click a figure to open the filing. SG&A marked derived is general and administrative plus selling and marketing.

Leadership and board

NameTitleSource
Chuck MacFarlane CEO 8-K, 2026-11-03
Charles S. MacFarlane President and Chief Executive Officer 10-K, 2026-02-18
Tyler J. Nelson
Chief Financial Officer at Otter Tail Corporation
VP, Chief Financial Officer 4, 2026-04-15
Todd Wahlund Vice President, Chief Financial Officer 10-K, 2026-02-18
Timothy J. Rogelstad President 4, 2026-04-15
Todd R. Wahlund Senior Vice President 4, 2026-04-15
John S. Abbott
President Varistar, Sr VP Otter Tail Corporation
Senior Vice President, Manufacturing Platform 10-K, 2026-02-18
Timothy Rogelstad President of OTP and Senior Vice President, Electric Platform 10-K, 2026-02-18
Jennifer Smestad Senior Vice President, General Counsel and Corporate Secretary 10-K, 2026-02-18
John Abbott Senior Vice President, Manufacturing Platform 10-K, 2026-02-18
Paul L. Knutson
Vice President of Human Resources at Otter Tail Corporation
VP, Human Resources 4, 2026-08-12
Jennifer O. Smestad
Senior Vice President, General Counsel and Corporate Secretary at Otter Tail Corporation
SVP General Counsel & Corp Sec 4, 2026-04-15
Christopher Clark Board member (per proxy)
bio: Director
DEF 14A, 2026-03-02
Steven Rasche Board member (per proxy)
bio: Director
DEF 14A, 2026-03-02

What Otter Tail Corp does

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.

Item 1. Business, 10-K for the year ending December 31, 2025

Shares and governance

Shares outstanding 42.0 million (as of October 31, 2026) 10-Q, November 4, 2026
Public float $3.1B (as of June 30, 2025) 10-K/A, February 23, 2026
Reportable segments 3 (period ending September 30, 2026) 10-Q, November 4, 2026
Latest proxy statement Meeting April 13, 2026 (filed March 2, 2026) DEF 14A, March 2, 2026
Auditor Deloitte & Touche LLP (Minneapolis, Minnesota) Latest 10-K

Insider trades

Open-market buys and sales by officers and directors, from Forms 4 and 5. One row per filing.

DateInsiderTradeSharesValueSource
August 11, 2026 Paul L. Knutson
VP, Human Resources
Sale 725 $68K Form 4, August 12, 2026
August 7, 2026 Paul L. Knutson
VP, Human Resources
Sale 3,500 $326K Form 4, August 11, 2026

Recent 8-K events

Frequently asked questions about Otter Tail Corp

What does Otter Tail Corp do?
In its own words, from Item 1 of its 10-K: "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."
What is Otter Tail Corp's revenue?
$1.3B for the fiscal year ending December 31, 2025, from its 10-K/A filed February 23, 2026.
Is Otter Tail Corp profitable?
Otter Tail Corp reported net income of $276M for the fiscal year ending December 31, 2025.
How many employees does Otter Tail Corp have?
About 2,198 as of December 31, 2025, as stated in its annual report.
Who is the CEO of Otter Tail Corp?
Chuck MacFarlane, CEO, as named in a 8-K filed November 3, 2026.
Who is the CFO of Otter Tail Corp?
Tyler J. Nelson, VP, Chief Financial Officer, as named in a 4 filed April 15, 2026.
Where is Otter Tail Corp headquartered?
Fergus Falls, MN.
What is Otter Tail Corp's stock ticker?
OTTR on Nasdaq.
What industry is Otter Tail Corp in?
Electric Services, SIC code 4911.
What is Otter Tail Corp's website?
ottertail.com.
When does Otter Tail Corp report earnings next?
February 2, 2027. Source: estimate_8k_pattern.
Is Otter Tail Corp a public company?
Yes. Otter Tail Corp files with the SEC under CIK 0001466593 and trades as OTTR.
Who audits Otter Tail Corp?
Deloitte & Touche LLP, Minneapolis, Minnesota, as named in its latest annual report (10-K).
How many shares of Otter Tail Corp are outstanding?
42.0 million shares as of October 31, 2026, from its 10-Q filed November 4, 2026.
What is Otter Tail Corp's public float?
$3.1B as of June 30, 2025, as reported on the cover of its 10-K/A filed February 23, 2026.
How many business segments does Otter Tail Corp report?
3 reportable segments for the period ending September 30, 2026, from its 10-Q filed November 4, 2026.
When is Otter Tail Corp's annual shareholder meeting?
April 13, 2026, per its proxy statement (DEF 14A) filed March 2, 2026.
Have Otter Tail Corp insiders traded stock recently?
Since August 7, 2026, officers and directors reported 2 open-market sales worth about $394K and 0 purchases on Forms 4 and 5. The most recent: Paul L. Knutson (VP, Human Resources) sold 725 shares on August 11, 2026.