Company: CVLT
Filing Date: 2025-10-29
Form Type: S-8
Source: 0001169561-25-000091
Chunk: 1

Company: COMMVAULT SYSTEMS INC
Filing Date: 2025-10-29
Form: S-8
Chunk 1
---
 filed by Commvault Systems, Inc. (the “

#### Company
” or “

#### Registrant
”) for the purpose of registering an additional 1,300,000 shares of the Company’s common stock, par value $0.01 per share (the “

#### Common Stock
”), issuable under the Commvault Systems, Inc. 2016 Omnibus Incentive Plan, as amended (the “

#### Plan
”). This Registration Statement relates solely to the registration of additional securities of the same class as other securities for which registration statements on Form S-8 relating to the employee benefit plan set forth herein are effective.

At the Company’s 2025 Annual Meeting of Stockholders held on August 7, 2025, the Company’s stockholders approved and authorized an additional 1,300,000 shares of Common Stock for issuance under the Plan.

# PART I
<div align='center'>INFORMATION REQUIRED IN THE SECTION 10(A) PROSPECTUS</div>

Information required by Part I of Form S-8 to be contained in the Section 10(a) prospectus is omitted from this Registration Statement in accordance with Rule 428 under the Securities Act of 1933, as amended (the “

#### Securities Act
”). The documents containing the information specified in Part I will be delivered to the participants in the Plan as required by Rule 428(b) under the Securities Act and are not being filed with the Securities and Exchange Commission (the “

#### Commission
”) as part of this Registration Statement or as prospectuses or prospectus supplements pursuant to Rule 424 under the Securities Act.

# PART II

### INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

## Item 3. Incorporation of Documents by Reference.
The following documents filed by the Company with the Commission are incorporated by reference in this Registration Statement:

(1) The Company’s Annual Report on Form 10-K for the fiscal year ended March 31, 2025, filed with the Commission on May 5, 2025 (the “

#### Annual Report
”);

(2) The information specifically incorporated by reference into the Annual Report from the Company’s Definitive Proxy Statement on Schedule 14A for the 2025 Annual Meeting of Stockholders, filed with the Commission on June 25, 2025 ;

(3) The Company’s Quarterly Reports on Form 10-Q for the quarters ended June 30, 2025 and September 30, 2025, filed with the