Otter Tail Corp (OTTR) Insider Ownership

Historic Insider Ownership Trends

As of April 22, 2026, Otter Tail's top three insider holders are Charles S Macfarlane (President Ceo, 251.60K shares), John D Erickson (Director, 140.99K shares), Kevin G Moug (Cfo Sr Vp, 119.40K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Charles S Macfarlane President Ceo 251,597 0 12 Feb, 2026
John D Erickson - 0 140,989 20 Nov, 2023
Kevin G Moug Cfo Sr Vp 119,401 0 02 Jan, 2024
Nathan I Partain - 0 62,561 13 Apr, 2022
Nathan I Partain - 0 62,561 13 Apr, 2022
Nathan I Partain - 0 62,561 13 Apr, 2022
Timothy J Rogelstad Sr Vp, Electric Platform 61,080 0 12 Feb, 2026
John S Abbott Sr Vp, Manufacturing Platform 50,896 0 12 Feb, 2026
James B Stake - 46,794 0 12 Apr, 2022
James B Stake - 46,794 0 12 Apr, 2022
James B Stake - 46,794 0 12 Apr, 2022
Karen Bohn - 45,850 0 19 Apr, 2023
Steven L Fritze - 30,533 0 14 Apr, 2025
Kathryn O Johnson - 29,453 0 14 Apr, 2026
Paul L Knutson Vp, Human Resources 24,983 0 12 Feb, 2026
Jennifer O. Smestad Vp, General Council Corp Sec 19,137 0 12 Feb, 2026
Thomas J Webb - 17,600 0 14 Apr, 2026
Timothy J O'Keefe - 0 11,943 07 Dec, 2021
Nathan I Partain - 10,969 0 14 Apr, 2026
Todd R Wahlund Chief Financial Officer 10,347 0 09 Apr, 2026
Todd R Wahlund Chief Financial Officer 10,347 0 09 Apr, 2026
Todd R Wahlund Chief Financial Officer 10,029 0 09 Feb, 2026
Michael E Lebeau - 9,300 0 14 Apr, 2026
Nathan I Partain - 8,741 0 14 Apr, 2025
Nathan I Partain - 8,741 0 14 Apr, 2025
Jeanne H Crain - 7,071 0 14 Apr, 2026
Mary E Ludford - 7,071 0 14 Apr, 2026
John D Erickson President Ceo 3,133 0 14 Apr, 2026
Steven P Rasche - 2,000 0 14 Apr, 2026
Christopher B Clark - 1,900 0 14 Apr, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
13 Apr, 2026 Tyler J Nelson Restricted Stock Units A 800 $0.00 800 D A
13 Apr, 2026 Timothy J Rogelstad Restricted Stock Units A 1,400 $0.00 1,400 D A
13 Apr, 2026 Jennifer O. Smestad Restricted Stock Units A 5,800 $0.00 5,800 D A
13 Apr, 2026 Todd R Wahlund Restricted Stock Units A 300 $0.00 300 D A
13 Apr, 2026 Nathan I Partain Common Stock A 2,000 - 10,969 D A
13 Apr, 2026 Jeanne H Crain Common Stock A 1,500 - 7,071 D A
13 Apr, 2026 Thomas J Webb Common Stock A 1,500 - 17,600 D A
13 Apr, 2026 Kathryn O Johnson Common Stock A 1,500 - 29,453 D A
13 Apr, 2026 Mary E Ludford Common Stock A 1,500 - 7,071 D A
13 Apr, 2026 John D Erickson Common Stock A 1,500 - 3,133 D A
13 Apr, 2026 Christopher B Clark Common Stock A 1,900 - 1,900 D A
13 Apr, 2026 Michael E Lebeau Common Stock A 1,500 - 9,300 D A
13 Apr, 2026 Steven P Rasche Common Stock A 1,900 - 2,000 D A
08 Apr, 2026 Todd R Wahlund Common Stock A 460 $90.11 10,533 D M
08 Apr, 2026 Todd R Wahlund Common Stock D 186 $90.11 10,347 D F
08 Apr, 2026 Todd R Wahlund Restricted Stock Units D 460 $0.00 0 D M
11 Feb, 2026 Timothy J Rogelstad Common Stock A 8,400 $86.43 65,292 D A
11 Feb, 2026 Jennifer O. Smestad Common Stock A 6,000 $86.43 22,168 D A
11 Feb, 2026 Paul L Knutson Common Stock A 3,600 $86.43 26,575 D A
11 Feb, 2026 John S Abbott Common Stock A 8,400 $86.43 55,105 D A