Abbott John S 4

4 · Otter Tail Corp · Filed Feb 9, 2026

AI-generated summary of this filing

Updated Feb 9, 2026

Otter Tail (OTTR) Sr. VP John Abbott Exercises RSUs; 763 Shares Withheld

What Happened

John S. Abbott, Senior Vice President, Manufacturing Platform, had 1,625 restricted stock units (RSUs) convert to common shares on Feb 6, 2026 (reported Feb 9, 2026). The company withheld 763 of those shares to cover tax withholding at $87.83 per share, totaling $67,014. That results in a net issuance of 862 shares to Abbott.
The filing shows multiple derivative-conversion entries (400, 450, 350, 425 shares) that sum to the 1,625 RSUs. Transaction codes: M = exercise/conversion of derivative (RSU vesting/conversion); F = shares withheld to pay taxes.

Key Details

Transaction date: 2026-02-06; Form filed: 2026-02-09 (appears timely).
Withheld shares for taxes: 763 shares at $87.83/share = $67,014.
RSUs converted: 1,625 shares total (broken into 400, 450, 350, 425 in the filing).
Net shares issued to insider after withholding: 862 shares.
Footnotes: F1–F4 note that each RSU equals one share, shares were withheld to pay taxes (exempt under Rule 16b-3(e), per the company), and the RSUs vest in four equal annual installments (the line items reflect those installment amounts). The filing references total direct holdings include other restricted/performance awards.
Shares owned after transaction: not specified in the provided filing excerpt.

Context

These entries reflect RSU vesting/conversion (compensation-related), not an open-market sale or purchase. The withholding of shares to satisfy tax obligations is routine and does not necessarily indicate a buy or sell signal.

Form 4

Period: 2026-02-06

Sr VP, Manufacturing Platform

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-02-06+1,625→ 47,468 total
Tax Payment
Common Stock
[F2][F3]
2026-02-06$87.83/sh−763$67,014→ 46,705 total
Exercise/Conversion
Restricted Stock Units
[F1][F4]
2026-02-06−400→ 0 total
From: 2023-02-06→ Common Stock (0 underlying)
Exercise/Conversion
Restricted Stock Units
[F1][F4]
2026-02-06−450→ 450 total
From: 2024-02-06→ Common Stock (450 underlying)
Exercise/Conversion
Restricted Stock Units
[F1][F4]
2026-02-06−350→ 700 total
From: 2025-02-06→ Common Stock (700 underlying)
Exercise/Conversion
Restricted Stock Units
[F1][F4]
2026-02-06−425→ 1,275 total
From: 2026-02-06→ Common Stock (1,275 underlying)

Holdings

Footnotes (4)

[F1]Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.
[F2]These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).
[F3]Total direct holdings include shares acquired individually pursuant to Restricted Stock Awards and Performance Shares Awards.
[F4]The restricted stock units vest in four equal annual installments beginning the date shown above.

Signature

/s/ John S. Abbott by James A Versteeg, Attorney-in-Fact|2026-02-09

1 file