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Stock Compensation | 12 Months Ended
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Mar. 31, 2025
Share-Based Payment Arrangement [Abstract] |
Stock Compensation | Stock Compensation The Company adopted a new equity-based compensation plan known as the Anterix Inc. 2023 Stock Plan on August 8, 2023 (the “Effective Date”), which was amended on August 6, 2024 to increase the number of shares available thereunder by 1,100,000 shares (as amended, the “2023 Stock Plan”). The 2023 Stock Plan permits the Company to grant equity compensation awards to employees, consultants and non-employee directors of the Company. As of the Effective Date, no additional awards may be granted under the Anterix Inc. 2014 Stock Plan (the “2014 Stock Plan”). The 2023 Stock Plan authorizes 1,350,000 shares of common stock of the Company (the “Shares”) for grant. Additionally, 388,151 shares remaining for grant under the 2014 Stock Plan immediately prior to the Effective Date, shares subject to outstanding stock awards granted under the 2014 Stock Plan that, following the Effective Date, expire or are terminated or cancelled without having been exercised or settled in full, and shares acquired pursuant to an award subject to forfeiture or repurchase that are forfeited or repurchased by the Company for an amount not greater than the recipient’s purchase price, are issuable under the 2023 Stock Plan. As of March 31, 2025, under the 2023 Stock Plan, 887,626 Shares are available for future issuance. Restricted Stock and Restricted Stock Units A summary of non-vested restricted stock activity for the year ended March 31, 2025 is as follows:
| Restricted Stock |  | Weighted Average Grant Day Fair Value
Non-vested restricted stock outstanding at March 31, 2024 | 502,574 |  |  | $ | 43.19 |
Granted | 33,834 |  |  | 34.30 |
Vested | (227,208) |  |  | 43.80 |
Forfeited | (39,401) |  |  | 43.96 |
Non-vested restricted stock outstanding at March 31, 2025 | 269,799 |  |  | $ | 41.47 |
The following table reflects activity related to the Company’s restricted stock for the years ended March 31, 2025 and 2024:
| 2025 |  | 2024 |  |
Weighted-average grant-date fair value per unit granted | $ | 34.30 |  |  | $ | 33.45 |  |  |
Fair value of restricted stock units vested (in thousands) | $ | 9,951 |  |  | $ | 10,918 |  |  |
Stock compensation expense related to restricted stock was approximately $7.9 million for the year ended March 31, 2025, which included $7.5 million in general and administrative expenses, $0.2 million in product development and the remainder of approximately $0.2 million included in sales and support reported on the Company’s Consolidated Statements of Operations. Stock compensation expense related to restricted stock was approximately $9.9 million for the year ended March 31, 2024, which included $9.1 million in general and administrative expenses, $0.4 million in product development and the remainder of approximately $0.4 million included in sales and support reported on the Company’s Consolidated Statements of Operations. As of March 31, 2025 and 2024, there was $6.0 million and $14.4 million, respectively, of unrecognized compensation expense for the restricted stock, which is expected to be recognized over a weighted average period of 1.26 years and 1.92 years, respectively. Performance-Based Restricted Stock Units A summary of the performance-based restricted stock unit activity for the year ended March 31, 2025 is as follows:
| Performance Stock |  | Weighted Average Grant Day Fair Value
Performance stock outstanding at March 31, 2024 | 153,732 |  |  | $ | 44.44 |
Granted | 97,631 |  |  | 20.49 |
Vested | (49,217) |  |  | 61.43 |
Forfeited/cancelled | (202,146) |  |  | 16.71 |
Performance stock outstanding at March 31, 2025 | — |  |  | $ | — |
The following table reflects activity related to the Company’s performance-based restricted stock units for the years ended March 31, 2025 and 2024:
| 2025 |  | 2024 |  |
Weighted-average grant-date fair value per unit granted | $ | 20.49 |  |  | $ | 30.89 |  |  |
Fair value of Performance stock units vested (in thousands) | $ | 3,023 |  |  | $ | — |  |  |
Cumulative Spectrum Proceeds Monetized On December 31, 2020, the Compensation Committee awarded performance-based restricted units to Mr. Schwartz as part of the then CEO succession plan. The performance-based restricted units were to vest on a determination date of June 24, 2024 (“Determination Date”), based on the Cumulative Spectrum Proceeds Monetized (“CSPM”) metric over a four-year measurement period commencing on June 24, 2020, with 15,025 units vesting if the minimum CSPM level is achieved, 30,049 units vesting if the target CSPM metric is achieved and up to 60,098 vesting if the maximum CSPM metric is achieved. Due to the timing of the execution of the Oncor Agreement, the Company entered into an amendment agreement, effectively extending the Determination Date to June 27, 2024. The amendment resulted in 15,800 shares vesting based on the CSPM level achieved. Chief Executive Officer Transition In connection with Mr. Schwartz’s Transition Agreement, 68,788 unvested time-based awards and 33,417 performance-based awards accelerated and vested on a pro-rated basis. Mr. Schwartz was also granted an option exercise period extension for each of his outstanding stock option awards equal to the lesser of two years from the Separation Date (as defined in the Transition Agreement) or the applicable expiration term of the stock option awards, which resulted in additional stock compensation expense of $1.1 million included in severance and other related charges expense reported on the Company’s Consolidated Statements of Operations. Total Stockholder Return The performance-based restricted units will vest upon continued service and achievement of certain stock price levels calculated using a four-year compound annual growth rate and based on the average closing bid price per share of the Company’s common stock measured over a sixty-trading day period (“Stock Price Levels”). Shares will vest in a range of 25% to 350% of the 45,000 target reported units based on achieving specified Stock Price Levels. The vesting end measurement date is February 1, 2025, with earlier vesting determination dates upon a change in control of the Company, involuntary termination of the CEO or twelve months following the achievement of the maximum stock price level. The performance-based restricted units accelerated and vested on a pro-rated basis in connection with the CEO Transition noted above. The Company recorded approximately $0.5 million and $0.8 million of stock compensation expense relating to performance-based restricted stock units for the years ended March 31, 2025 and 2024 respectively, included in general and administrative expenses reported on the Company’s Consolidated Statements of Operations. As of March 31, 2025, the performance-based shares were fully vested. As of March 31, 2024, there was approximately $0.3 million of unrecognized compensation expense for the outstanding performance-based restricted stock units, which was expected to be recognized over a weighted average period of 1.23 years. Performance-based restricted stock units modification In October 2024, the Company awarded the newly appointed President and Chief Executive Officer 97,631 performance-based restricted stock units. In January 2025, the Board approved the replacement of the performance-based units with 191,326 time-based stock options. The time-based stock options have a contractual life of 10 years and the shares will vest in three equal annual installments, based on continuous service of such officer to the Company through the applicable vesting dates. As a result of the change, the Company accounted for the modification as a Type I modification, resulting in $1.4 million of incremental fair value, of which $0.1 million was recorded immediately. The incremental compensation cost is measured as the excess of the fair value of the modified award over the fair value of the original award immediately before its terms were modified and recognized over the period from the modification date through the end of the requisite service period of the newly granted awards. Stock Options A summary of Stock Option activity for the year ended March 31, 2025 is as follows:
| Options |  | Weighted Average Exercise Price |  | Weighted Average Contractual Term |  | Aggregate Intrinsic Value
Options outstanding at March 31, 2024 | 1,617,886 |  |  | $ | 39.52 |  |  |  |  |
Options granted | 553,724 |  |  | 31.31 |  |  |  |  |
Options exercised | (253,540) |  |  | 23.67 |  |  |  |  |
Options forfeited/expired/cancelled | (252,305) |  |  | 41.39 |  |  |  |  |
Options outstanding at March 31, 2025 | 1,665,765 |  |  | $ | 38.31 |  |  | 6.39 |  | $ | 5,391,774 |
Exercisable at March 31, 2025 | 837,524 |  |  | $ | 42.74 |  |  | 3.58 |  | $ | 2,146,702 |
Total vested or expected to vest at March 31, 2025 | 1,665,604 |  |  | $ | 38.30 |  |  | 6.39 |  | $ | 5,391,774 |
The intrinsic value of stock options exercised was approximately $2.9 million and $1.3 million for the years ended March 31, 2025 and 2024 respectively. The following assumptions were used to calculate the fair value of stock options:
| Year Ended |  | Year Ended |  |
| March 31, 2025 |  | March 31, 2024 |  |
Risk-free interest rate | 3.72% to 4.43% |  | 3.90% to 4.22% |  |
Dividend yield | —% |  | —% |  |
Volatility | 47.11% to 48.33% |  | 49.23% to 49.54% |  |
Expected term | 5.79 years to 6.21 years |  | 5.39 years to 5.72 years |  |
Forfeiture rate | —% to 4% |  | —% to 3% |  |
Weighted-average grant-date fair value per option granted | $ | 31.31 |  |  | $ | 36.10 |  |  |
Stock compensation expense related to the amortization of the fair value of service-based stock options issued was approximately $4.5 million and $4.8 million respectively, for the years ended March 31, 2025 and 2024 which was included in general and administrative reported on the Company’s Consolidated Statements of Operations. The weighted average fair value for the stock option awards granted for the year ended March 31, 2025 was $31.31 per share. As of March 31, 2025 and 2024, there was approximately $10.2 million and $8.2 million, respectively, of unrecognized compensation cost related to non-vested stock options granted under the Company’s stock option plans which is expected to be recognized over a weighted-average period of 2.51 years and 1.44 years, respectively. Performance-Based Stock Options A summary of the Performance-Based Stock Options for the year ended March 31, 2025 is as follows:
| Performance Options |  | Weighted Average Exercise Price
Performance Options outstanding at March 31, 2024 | 33,782 |  |  | $ | 46.85 |
Performance Options granted | 336,411 |  |  | 35.66 |
Performance Options exercised | — |  |  | — |
Performance Options forfeited/expired/cancelled | (213,487) |  |  | 35.66 |
Performance Options outstanding at March 31, 2025 | 156,706 |  |  | $ | 38.07 |
The vesting of the performance-based stock options issued during the year ended March 31, 2025 were subject to the attainment of a performance goal. The performance-based stock options (the “Stock Price Award”) will vest based on the target average stock price achieved by the Company during any sixty-day period beginning on the grant date and ending on October 4, 2027. If the target stock price level is achieved, 100% of the Stock Price Award will vest, otherwise the Stock Price Award will be forfeited in its entirety. The Company recorded approximately $0.6 million of stock compensation expense relating to performance-based options for the year ended March 31, 2025, included in general and administrative expenses reported on the Company’s Consolidated Statements of Operations. For the year ended March 31, 2024, there was no stock compensation expense recognized for the 33,782 performance-based stock options. As of March 31, 2025, there was approximately $1.7 million of unrecognized compensation expense for the outstanding performance-based restricted stock options, which is expected to be recognized over a weighted average period of 2.51 years. As of March 31, 2024, there was no unrecognized compensation expense relating to the outstanding performance-based stock options. The following assumptions were used to calculate the grant date fair value of performance-based stock options with market price condition using the Monte Carlo simulation model:
|  | October 4, 2024
Risk-free interest rate |  | 3.83%
Dividend yield |  | —%
Volatility |  | 48.42%
Simulation term |  | 6.5 years
Forfeiture rate |  | —%
Performance-based stock option modification In October 2024, the Company awarded 213,487 performance-based stock options to various senior executive officers. In January 2025, the Board approved changes to the vesting conditions of these outstanding common stock option awards. The vesting criteria were modified from performance-based to time-based. The awards have a contractual life of 10 years and the shares will vest in three equal annual installments, based on continuous service of such officer to the Company through the applicable vesting dates. As a result of the change, the Company accounted for the modification as a Type I modification, resulting in $1.0 million of incremental fair value, of which $0.1 million was recorded immediately. The incremental compensation cost is measured as the excess of the fair value of the modified award over the fair value of the original award immediately before its terms were modified and recognized over the period from the modification date through the end of the requisite service period of the newly granted awards. Share Repurchase Program In September 2021, the Board authorized a share repurchase program (the “2021 Share Repurchase Program”) pursuant to which the Company may repurchase up to $50.0 million of the Company’s common stock on or before September 29, 2023. The Company repurchased and subsequently retired a total of $33.9 million of the Company’s common stock under the 2021 Share Repurchase Program, including $10.7 million during fiscal year 2024. On September 21, 2023, the Board authorized the new 2023 Share Repurchase Program (the “2023 Share Repurchase Program”) pursuant to which the Company may repurchase up to $250.0 million of the Company’s common stock on or before September 21, 2026. The Company repurchased and subsequently retired a total of $13.9 million of the Company’s common stock under the 2023 Share Repurchase Program during fiscal year 2024. The Company repurchased and subsequently retired a total of $8.4 million of the Company’s common stock under the 2023 Share Repurchase Program during fiscal year 2025. The Company may repurchase shares of its common stock via the open market and/or privately negotiated transactions. Repurchases will be made in accordance with applicable securities laws and may be effected pursuant to Rule 10b5-1 trading plans. The manner, timing and amount of any share repurchases will be determined by the Company based on a variety of factors, including proceeds from customer contracts, the timing of which is unpredictable, as well as general business and market conditions, the Company’s capital position, and other strategic considerations. The 2023 Share Repurchase Program does not obligate the Company to repurchase any particular amount of its common stock. The Inflation Reduction Act of 2022, which was enacted into law on August 16, 2022, imposed a nondeductible 1% excise tax on the net value of certain stock repurchases made after December 31, 2022. For the year end March 31, 2025, the Company had no excise tax expense. For the year ended March 31, 2024, excise tax expense was approximately $0.2 million. The following table presents the share repurchase activity for Fiscal 2025 and Fiscal 2024 (in thousands, except per share data):
| For the years ended March 31,
| 2025 |  | 2024 |  |
Number of shares repurchased and retired | 245 |  |  | 736 |  |  |
Average price paid per share* | $ | 33.71 |  |  | $ | 33.72 |  |  |
Total cost to repurchase | $ | 8,398 |  |  | $ | 24,676 |  |  |
* Average price paid per share includes costs associated with the repurchases, excluding excise taxes associated with the share repurchases. As of March 31, 2025, $227.7 million is remaining under the 2023 Share Repurchase Program.

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