EnerSys

13. Stock-Based Compensation

As of December 31, 2023, the Company maintains the 2023 Equity Incentive Plan (“2023 EIP”). The 2023 EIP reserved 3,614,500 shares of common stock for the grant of various classes of nonqualified stock options, restricted stock units, market condition-based on total shareholder return (“TSR”) and performance condition-based share units (“PSU”) and other forms of equity-based compensation.

The Company recognized stock-based compensation expense associated with its equity incentive plans of $9,817 for the third quarter of fiscal 2024 and $6,906 for the third quarter of fiscal 2023. Stock-based compensation was $22,894 and $18,770 for the nine months of fiscal 2024 and fiscal 2023, respectively. The Company recognizes compensation expense using the straight-line method over the vesting period of the awards.

During the nine months of fiscal 2024, the Company granted to non-employee directors 27,371 restricted stock units, under the deferred compensation plan for non-employee directors. The awards vest immediately upon the date of grant and are settled in shares of common stock.

During the nine months of fiscal 2024, the Company granted to management and other key employees 200,314 non-qualified stock options that vest ratably over three years from the date of the grant and 269,751 restricted stock units that vest ratably over four years from the date of grant.

Common stock activity during the nine months of fiscal 2024 included the exercise of 178,835 stock options and the vesting of 260,967 restricted stock units and 30,597 TSRs.

As of December 31, 2023, there were 1,215,424 non-qualified stock options,1,040,960 restricted stock units including non-employee director restricted stock units and 1,129 TSRs outstanding.