Company: CVLT
Filing Date: 2025-06-25
Form Type: DEF 14A
Source: 0001169561-25-000059
Chunk: 54

Company: COMMVAULT SYSTEMS INC
Filing Date: 2025-06-25
Form: DEF 14A
Chunk 54
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369,904 |
| Shares Available for Grant   |     | 2,404,509 |

The following table summarizes our equity usage during the three most recent fiscal years.

| Time Period |     | Time-Vesting 
 RSUs Granted |     |      Financial 
    Performance 
 Shares Granted |     |     Financial 
   Performance 
 Shares Earned |     |   Market-Based 
 Shares Granted | Market-BasedShares Earned(1) |     |         |     | Weighted Average 
    Common Shares 
      Outstanding 
        (Diluted) |
| Fiscal 2025 |     |      711,841 |     |         90,930 |     |        95,477 |     |         90,930 |                              |     | 265,516 |     |       45,187,000 |
| Fiscal 2024 |     |    1,219,774 |     |        119,916 |     |       129,509 |     |        119,916 |                              |     | 239,832 |     |       45,100,000 |
| Fiscal 2023 |     |    1,560,712 |     |        125,919 |     |       161,176 |     |        125,919 |                              |     | 209,865 |     |       44,664,000 |

1. Unvested market-based shares are represented at present value as of May 31, 2025. The number of shares may vary until actual results are confirmed.

#### 56COMMVAULT SYSTEMS, INC. |2025 PROXY STATEMENT
Table of Contents

| PROPOSAL NO. 4: APPROVAL OF ADDITIONAL SHARES FOR ISSUANCE UNDER THE 2016 OMNIBUS INCENTIVE PLAN   | |     | DESCRIPTION OF THE 2016 INCENTIVE PLAN |

#### Description of the 2016 Incentive Plan

#### Purpose
The purpose of the 2016 Incentive Plan is to:

• attract and retain talented executives and employees,

• advance the interests of Commvault and our stockholders by providing eligible employees and executives with appropriate incentives to perform in a superior manner and achieve long-range goals,

• enhance the link between performance and compensation for plan participants, and

• provide incentive compensation opportunities that are competitive with those offered by other similar companies.

#### Administration
For awards to Commvault officers and employees, the 2016 In