https://www.avient.com/sites/default/files/2024-03/AS-FILED EF20024640 Avient Corp ARS.pdf
This plan reserved 2.5 million common shares for the award of a variety of share-based compensation alternatives, including non-qualified stock options, incentive stock options, restricted stock, restricted stock units (RSUs), performance shares, performance units and stock appreciation rights (SARs).
A summary of compensation expense by type of award follows: (In millions) 2023 2022 2021 Stock appreciation rights $ 6.1 $ 5.9 $ 5.2 Performance shares 0.2 0.2 0.2 Restricted stock units 6.9 7.1 5.8 Total share-based compensation $ 13.2 $ 13.2 $ 11.2 58 AVIENT CORPORATION Stock Appreciation Rights During the years ended December 31, 2023, 2022 and 2021, the total number of SARs granted was 0.5 million, 0.4 million and 0.5 million, respectively.
The SARs were valued using a Monte Carlo simulation method as the vesting is dependent on the achievement of certain stock price targets.