Company: CVLT
Filing Date: 2025-06-25
Form Type: DEF 14A
Source: 0001169561-25-000059
Chunk: 0

Company: COMMVAULT SYSTEMS INC
Filing Date: 2025-06-25
Form: DEF 14A
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### SCHEDULE 14A
<div align='center'>Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934</div>

Filed by the Registrant þ

Filed by a Party other than the Registrant ¨

Check the appropriate box:

| ¨ |     | Preliminary Proxy Statement                                                     |
| ¨ |     | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| þ |     | Definitive Proxy Statement                                                      |
| ¨ |     | Definitive Additional Materials                                                 |
| ¨ |     | Soliciting Material under §240.14a-12                                           |

| Commvault Systems, Inc.                                                  |
| (Name of Registrant as Specified In Its Charter)                         |
| (Name of Person(s) Filing Proxy Statement, if other than the Registrant) |

Payment of Filing Fee (Check all boxes that apply):

| þ |     | No fee required.                                                                                    |
| o |     | Fee paid previously with preliminary materials.                                                     |
| o |     | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

#### Commvault Systems, Inc.
1 Commvault Way

Tinton Falls, New Jersey 07724

(732) 870-4000

June 25, 2025

Fellow Commvault Stockholder:

I am pleased to share that Commvault delivered record breaking results last year. Total revenue growth accelerated 19% to $996 million and total annual recurring revenue increased 21% to $930 million. I would like to thank our CEO, Sanjay Mirchandani, and the entire leadership team, as well as all our employees around the globe, for their continued dedication to innovation, execution, and responsible growth, which has enabled us to deliver robust profit and free cash flow while returning $165 million to stockholders in share repurchases.

In a world increasingly besieged with ever more sophisticated malicious cyber threats, Commvault is dedicated to helping customers rapidly recover their business operations, learn how to build and maintain a resiliency program, and move towards a state of continuous business.

In fiscal 2025, Commvault continued to invest in innovation, introducing offerings that empower customers to make clean