United States Electric Utilities & IPPs

Otter Tail Corp (OTTR)

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Otter Tail Corp experienced one notable insider trading transaction recently, involving a proposed sale of 3,500 shares valued at $328,265 by officer Paul Knutson on August 7, 2026. This activity follows a positive earnings report where the company beat expectations by 12.16%. The stock has seen a 6.9% price increase over the last quarter.
Ticker: OTTR Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Otter Tail Corp. Upgrade to see score, net flow, insiders and the full signal context.

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Sale 11 Aug 2026
Value US$4,704,156.38 | Price 383.55 | Shares 95,991 (+45.2%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-12 2026-08-11 S Sale
KNUTSON PAUL L

VP, Human Resources

Officer
95,991 +45.2%
383.55
US$4,704,156 		95,991 +45.2% 383.55 US$4,704,156
2026-08-12 2026-08-10 S Sale
KNUTSON PAUL L

VP, Human Resources

Officer
70,102 +7.4%
302.68
US$3,001,652 		70,102 +7.4% 302.68 US$3,001,652
2026-08-11 2026-08-07 PlS Planned sale
KNUTSON PAUL L

VP, Human Resources

Officer
40,027 +25.7%
105.59
US$461,117 		40,027 +25.7% 105.59 US$461,117
2026-08-07 2026-08-07 PrS Proposed sale
Paul Knutson

Officer

Officer
1,000
93.79
US$100,000 		1,000 93.79 US$100,000
2024-08-14 2024-08-13 PlS Planned sale
Smestad Jennifer O.

VP, General Council & Corp Sec

Officer
4,000 -24.5%
88.74
US$354,960 		4,000 -24.5% 88.74 US$354,960
2024-08-13 2024-08-13 PrS Proposed sale
Smestad Jennifer O.

Officer

Officer
4,000
87.92
US$351,673 		4,000 87.92 US$351,673
2024-05-28 2024-05-24 PlS Planned sale
KNUTSON PAUL L

VP, Human Resources

Officer
4,000 -16.4%
90.66
US$362,640 		4,000 -16.4% 90.66 US$362,640
2024-05-24 2024-05-24 PrS Proposed sale
KNUTSON PAUL L

Officer

Officer
4,000
90.66
US$362,624 		4,000 90.66 US$362,624
2023-11-20 2023-11-20 PrS Proposed sale
2.5
ERICKSON JOHN D

Officer; Director

Executive Director
2,500
77.30
US$193,250 		2,500 77.30 US$193,250
2023-11-20 2023-11-20 S Sale
2.5
ERICKSON JOHN D
Non-Executive Director
2,500 -100.0%
77.36
US$193,400 		2,500 -100.0% 77.36 US$193,400
2022-11-22 2022-11-21 S Sale
2.5
ERICKSON JOHN D
Non-Executive Director
2,000 -100.0%
56.31
US$112,617 		2,000 -100.0% 56.31 US$112,617
2021-12-07 2021-12-07 S Sale
2.2
O'KEEFE TIMOTHY J
Non-Executive Director
1,525 -100.0%
67.20
US$102,483 		1,525 -100.0% 67.20 US$102,483
2021-11-18 2021-11-17 S Sale
2.5
ERICKSON JOHN D
Non-Executive Director
9,500 -100.0%
66.52
US$631,951 		9,500 -100.0% 66.52 US$631,951
2020-03-16 2020-03-12 B Purchase
2.3
Abbott John S

Pres Varistar, Sr VP, M/I Plat

Officer
5,000 +inf%
41.21
US$206,050 		5,000 +inf% 41.21 US$206,050
2019-11-21 2019-11-20 S Sale ERICKSON JOHN D Non-Executive Director
2,100 -100.0%
48.81
US$102,504 		2,100 -100.0% 48.81 US$102,504
2019-02-25 2019-02-22 PlS Planned sale
KNUTSON PAUL L

VP of Human Resources

Officer
3,000 -40.4%
49.77
US$149,318 		3,000 -40.4% 49.77 US$149,318
2018-11-20 2018-11-20 S Sale ERICKSON JOHN D Non-Executive Director
2,300 -100.0%
47.35
US$108,905 		2,300 -100.0% 47.35 US$108,905
2018-11-13 2018-11-12 PlS Planned sale KNUTSON PAUL L

VP of Human Resources

Officer
3,000 -46.3%
47.79
US$143,370 		3,000 -46.3% 47.79 US$143,370
2018-05-16 2018-05-15 PlS Planned sale MOUG KEVIN G

CFO & Sr VP

Officer
1,500 -2.6%
43.48
US$65,216 		1,500 -2.6% 43.48 US$65,216
2018-02-16 2018-02-15 PlS Planned sale MOUG KEVIN G

CFO & Sr VP

Officer
1,500 -2.5%
40.55
US$60,825 		1,500 -2.5% 40.55 US$60,825
2017-11-20 2017-11-20 S Sale ERICKSON JOHN D
2,400 -100.0%
45.55
US$109,320 		2,400 -100.0% 45.55 US$109,320
2017-11-15 2017-11-15 PlS Planned sale MOUG KEVIN G

CFO & Sr VP
1,500 -2.9%
46.50
US$69,750 		1,500 -2.9% 46.50 US$69,750
2017-11-15 2017-11-15 PlS Planned sale
KOECK GEORGE A

Sr. VP, Gen Coun & Corp Sec
3,000 -19.9%
46.50
US$139,500 		3,000 -19.9% 46.50 US$139,500
2017-08-16 2017-08-16 PlS Planned sale MOUG KEVIN G

CFO & Sr VP
1,500 -2.9%
41.75
US$62,625 		1,500 -2.9% 41.75 US$62,625
2017-05-15 2017-05-15 PlS Planned sale MOUG KEVIN G

CFO & Sr VP

Officer
800 -1.5%
37.25
US$29,800 		800 -1.5% 37.25 US$29,800
2017-03-13 2017-03-13 PlS Planned sale
KOECK GEORGE A

Sr. VP, Gen Coun & Corp Sec

Officer
4,000 -21.4%
36.30
US$145,200 		4,000 -21.4% 36.30 US$145,200
2017-02-16 2017-02-15 PlS Planned sale MOUG KEVIN G

CFO & Sr VP

Officer
800 -1.5%
37.80
US$30,240 		800 -1.5% 37.80 US$30,240
2017-01-09 2017-01-09 PlS Planned sale KNUTSON PAUL L

VP of Human Resources
500 -40.2%
39.80
US$19,900 		500 -40.2% 39.80 US$19,900
2016-11-21 2016-11-21 S Sale ERICKSON JOHN D Non-Executive Director
2,900 -100.0%
37.33
US$108,257 		2,900 -100.0% 37.33 US$108,257
2016-11-10 2016-11-10 PlS Planned sale
MOUG KEVIN G

CFO & Sr VP

Officer
800 -1.8%
35.20
US$28,160 		800 -1.8% 35.20 US$28,160
2016-08-16 2016-08-16 PlS Planned sale MOUG KEVIN G

CFO & Sr VP

Officer
800 -1.7%
34.07
US$27,256 		800 -1.7% 34.07 US$27,256
2016-08-12 2016-08-11 PlS Planned sale KNUTSON PAUL L

VP of Human Resources

Officer
1,700 -57.9%
34.50
US$58,650 		1,700 -57.9% 34.50 US$58,650
2015-08-18 2015-08-17 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
141 -1.4%
27.75
US$3,913 		141 -1.4% 27.75 US$3,913
2015-08-18 2015-08-17 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
59 -0.6%
27.74
US$1,637 		59 -0.6% 27.74 US$1,637
2015-08-18 2015-08-17 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
100 -1.0%
27.70
US$2,770 		100 -1.0% 27.70 US$2,770
2015-08-18 2015-08-17 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
100 -0.9%
27.69
US$2,769 		100 -0.9% 27.69 US$2,769
2015-08-18 2015-08-17 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
100 -0.9%
27.66
US$2,766 		100 -0.9% 27.66 US$2,766
2015-08-18 2015-08-17 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
200 -1.8%
27.65
US$5,530 		200 -1.8% 27.65 US$5,530
2015-08-18 2015-08-17 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
408 -3.6%
27.64
US$11,277 		408 -3.6% 27.64 US$11,277
2015-08-18 2015-08-17 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
1,292 -10.3%
27.63
US$35,698 		1,292 -10.3% 27.63 US$35,698
2014-12-12 2014-12-10 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
1,500 -15.6%
29.67
US$44,504 		1,500 -15.6% 29.67 US$44,504
2014-11-19 2014-11-18 S Sale ERICKSON JOHN D Non-Executive Director
4,000 -100.0%
29.30
US$117,196 		4,000 -100.0% 29.30 US$117,196
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
177 -1.8%
30.69
US$5,432 		177 -1.8% 30.69 US$5,432
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
337 -3.3%
30.68
US$10,339 		337 -3.3% 30.68 US$10,339
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
100 -1.0%
30.64
US$3,064 		100 -1.0% 30.64 US$3,064
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
100 -1.0%
30.63
US$3,063 		100 -1.0% 30.63 US$3,063
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
100 -1.0%
30.59
US$3,059 		100 -1.0% 30.59 US$3,059
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
316 -2.9%
30.58
US$9,663 		316 -2.9% 30.58 US$9,663
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
646 -5.7%
30.55
US$19,735 		646 -5.7% 30.55 US$19,735
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
83 -0.7%
30.54
US$2,535 		83 -0.7% 30.54 US$2,535
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
517 -4.3%
30.53
US$15,784 		517 -4.3% 30.53 US$15,784
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
462 -3.7%
30.52
US$14,100 		462 -3.7% 30.52 US$14,100
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
500 -3.9%
30.51
US$15,255 		500 -3.9% 30.51 US$15,255
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
1,332 -9.3%
30.50
US$40,626 		1,332 -9.3% 30.50 US$40,626
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
100 -0.7%
30.49
US$3,049 		100 -0.7% 30.49 US$3,049
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
606 -4.1%
30.48
US$18,471 		606 -4.1% 30.48 US$18,471
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
516 -3.3%
30.47
US$15,723 		516 -3.3% 30.47 US$15,723
2014-02-24 2014-02-21 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
200 -1.3%
30.45
US$6,090 		200 -1.3% 30.45 US$6,090
2014-02-21 2014-02-20 PlS Planned sale MOUG KEVIN G

CFO & Sr VP

Officer
100 -0.3%
30.44
US$3,044 		100 -0.3% 30.44 US$3,044
2014-02-21 2014-02-20 S Sale MOUG KEVIN G

CFO & Sr VP

Officer
100 -0.3%
30.41
US$3,041 		100 -0.3% 30.41 US$3,041
2014-02-21 2014-02-20 S Sale MOUG KEVIN G

CFO & Sr VP

Officer
120 -0.3%
30.40
US$3,648 		120 -0.3% 30.40 US$3,648
2014-02-21 2014-02-20 S Sale MOUG KEVIN G

CFO & Sr VP

Officer
934 -2.4%
30.39
US$28,384 		934 -2.4% 30.39 US$28,384
2014-02-21 2014-02-20 S Sale MOUG KEVIN G

CFO & Sr VP

Officer
141 -0.4%
30.36
US$4,281 		141 -0.4% 30.36 US$4,281
2014-02-21 2014-02-20 S Sale MOUG KEVIN G

CFO & Sr VP

Officer
2,170 -5.3%
30.35
US$65,860 		2,170 -5.3% 30.35 US$65,860
2014-02-21 2014-02-20 S Sale MOUG KEVIN G

CFO & Sr VP

Officer
683 -1.6%
30.34
US$20,722 		683 -1.6% 30.34 US$20,722
2014-02-21 2014-02-20 S Sale MOUG KEVIN G

CFO & Sr VP

Officer
1,500 -3.5%
30.33
US$45,495 		1,500 -3.5% 30.33 US$45,495
2014-02-21 2014-02-20 S Sale MOUG KEVIN G

CFO & Sr VP

Officer
516 -1.2%
30.32
US$15,645 		516 -1.2% 30.32 US$15,645
2014-02-21 2014-02-20 S Sale MOUG KEVIN G

CFO & Sr VP

Officer
802 -1.8%
30.31
US$24,309 		802 -1.8% 30.31 US$24,309
2014-02-21 2014-02-20 S Sale MOUG KEVIN G

CFO & Sr VP

Officer
484 -1.1%
30.30
US$14,665 		484 -1.1% 30.30 US$14,665
2013-11-26 2013-11-26 S Sale ERICKSON JOHN D Non-Executive Director
4,102 -100.0%
29.42
US$120,666 		4,102 -100.0% 29.42 US$120,666
2013-11-15 2013-11-14 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
35 -0.4%
29.53
US$1,034 		35 -0.4% 29.53 US$1,034
2013-11-15 2013-11-14 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
98 -1.0%
29.55
US$2,896 		98 -1.0% 29.55 US$2,896
2013-11-15 2013-11-14 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
1,909 -16.5%
29.56
US$56,430 		1,909 -16.5% 29.56 US$56,430
2013-11-15 2013-11-14 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
100 -0.9%
29.57
US$2,957 		100 -0.9% 29.57 US$2,957
2013-11-15 2013-11-14 S Sale KOECK GEORGE A

Sr VP, Gen Coun & Corp Sec

Officer
35 -0.3%
29.59
US$1,036 		35 -0.3% 29.59 US$1,036
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