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Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2025

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Option Plans

A summary of activity under United’s stock option plans as of December 31, 2025, and the changes during the year of 2025 are presented below:

		Year ended December 31, 2025
										Weighted Average
(Dollars in thousands, except per share amounts)						Aggregate Intrinsic				Remaining Contractual
														Exercise Price
		Shares				Value				Term (Yrs.)
Outstanding at January 1, 2025			1,049,668											$	36.29
Exercised			(36,612	)											26.07
Forfeited or expired			(103,540	)											35.62
Outstanding at December 31, 2025			909,516			$	3,057				2.6			$	36.78
Exercisable at December 31, 2025			909,516			$	3,057				2.6			$	36.78

Changes to United's Restricted Common Shares

The following summarizes the changes to United’s restricted common shares for the year ended December 31, 2025:

		Number of Shares				Weighted-Average Grant Date Fair Value Per Share
Nonvested at January 1, 2025			310,027			$ 36.58
Granted			184,515			36.77
Vested			(152,433	)		36.94
Forfeited			(16,682	)		36.54
Outstanding at December 31, 2025			325,427			$ 36.52

Status of United's Nonvested Stock Option Awards

The following table summarizes the status of United’s nonvested RSUs during the year ended December 31, 2025:

		Shares				Weighted-Average Grant Date Fair Value Per Share
Nonvested at January 1, 2025			490,119			$ 35.41
Granted			256,385			35.35
Vested			(148,597	)		35.81
Forfeited or expired			(2,422	)		36.26
Nonvested at December 31, 2025			595,485			$ 35.28

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Tabular disclosure of the changes in outstanding nonvested shares.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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