SMESTAD JENNIFER O. (VP, Gen Coun & Corp Sec) received a stock award from OTTER TAIL CORP

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award

SMESTAD JENNIFER O.

Filed: 2/12/2026ACC: 0001726153-26-000005

InsiderSMESTAD JENNIFER O.CIK 1726153

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IssuerOTTER TAIL CORPCIK 1466593

Officer· VP, Gen Coun & Corp Sec

Since Feb 2019

+4.07K

Net shares

Net buyer

$262.0K

Total sold

Open market trades

0B · 0S

Total transactions

7.10K acquired · 3.03K disposed

Non-Derivative Transactions2

Common Stock

Direct

A · Award

+6K

Price / share

$86.43

Trade value

$518.58K

% of position

37.1%

2/11/2026

16.17K→22.17K

Common Stock

Direct

F · Tax Withholding

−3.03K

Price / share

$86.43

Trade value

$261.97K

% of position

13.7%

2/11/2026

22.17K→19.14K

Total

Net shares

+2.97K

Net value

$256.61K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/11/2026	A · Award	+6K	$86.43	$518.58K	37.1%	16.17K	22.17K
Common Stock Direct	2/11/2026	F · Tax Withholding	−3.03K	$86.43	$261.97K	13.7%	22.17K	19.14K
Total			+2.97K		$256.61K

Derivative Transactions1

Restricted Stock Units

Direct

A · Award

Converts to

Common Stock

1.10K shares

+1.10K

Strike price

Held after

1.10K

Exercisable

—

2/10/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Stock1.10K shares	2/10/2026	A · Award	+1.10K		—	1.10K

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect

Shares owned488.00

Total

488.00 indirect488.00

Security Title	Shares Owned	Ownership Type
Common Stock	488.00	Indirect
Total	488.00	488.00 indirect

Derivative Holdings (Post-Transaction)3

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

900.00

Shares owned

900.00

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

500.00

Shares owned

500.00

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

325.00

Shares owned

325.00

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

1.73K

Owned

1.73K

Security	Underlying	Exercise Window	Expiration	Underlying Shares	Shares Owned
Restricted Stock Units Direct	Common Stock	—	—	900.00	900.00
Restricted Stock Units Direct	Common Stock	—	—	500.00	500.00
Restricted Stock Units Direct	Common Stock	—	—	325.00	325.00
Total				1.73K	1.73K