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Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2025

Stock option activity from January 1, 2025 to March 31, 2025 follows:


	Underlying Shares	Weighted Average Exercise Price Per Share
Outstanding at January 1, 2025	1,794,005	$	22.26


Exercised	—	$	—
Expired	—	$	—
Outstanding at March 31, 2025	1,794,005	$	22.26
Exercisable at March 31, 2025	1,794,005	$	22.26

Restricted stock unit activity from January 1, 2025 to March 31, 2025 follows:


	Time Based	Performance Based	Weighted Average Grant Date Fair Value Per Share
Non-vested restricted stock units outstanding at January 1, 2025	5,427,657	452,514	$	11.34
Granted	220,335	—	$	8.26

Vested	(970,539)	—	$	9.79
Forfeited	(33,991)	—	$	10.77
Non-vested restricted stock units outstanding at March 31, 2025	4,643,462	452,514	$	11.51

The total target number of shares granted with respect to the Performance Units for the awards granted in 2021-2024 is set forth below:

The fair value of the Performance Units is set forth below (in thousands):


	2024 Performance Unit Awards		2023 Performance Unit Awards		2022 Performance Unit Awards		2021 Performance Unit Awards
Aggregate fair value at date of grant	$	10,904	$	8,440	$	10,743	$	7,225

Compensation expense associated with the Performance Units is set forth below (in thousands):