ABBOTT JOHN S

PrivateCIK: 1639060
Location

FERGUS FALLS, MN

ABBOTT JOHN S (Pres Varistar, Sr VP, M/I Plat) exercised options at OTTER TAIL CORP

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderABBOTT JOHN SCIK 1639060
IssuerOTTER TAIL CORPCIK 1466593
Officer· Pres Varistar, Sr VP, M/I Plat
Since Feb 2019
-763.00
Net shares
Net seller
$67.0K
Total sold
0
Open market trades
0B · 0S
6
Total transactions
1.63K acquired · 2.39K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+1.63K

Price / share

Trade value

% of position

3.5%
2/6/2026
45.84K47.47K

Common Stock

Direct
F · Tax Withholding

Shares

763.00

Price / share

$87.83

Trade value

$67.01K

% of position

1.6%
2/6/2026
47.47K46.70K
Total

Net shares

+862.00

Net value

-$67.01K

Derivative Transactions4

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

0.00 shares

Shares

400.00

Strike price

Held after

0.00

Exercisable

2/6/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

450.00 shares

Shares

450.00

Strike price

Held after

450.00

Exercisable

2/6/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

700.00 shares

Shares

350.00

Strike price

Held after

700.00

Exercisable

2/6/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

1.27K shares

Shares

425.00

Strike price

Held after

1.27K

Exercisable

2/6/2026
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned5K
Total
5K indirect5K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
ABBOTT JOHN S — Insider Transaction (Form 4) Filed Feb 9, 2026 | Finecho