Company: CVLT
Filing Date: 2025-06-25
Form Type: DEF 14A
Source: 0001169561-25-000059
Chunk: 19

Company: COMMVAULT SYSTEMS INC
Filing Date: 2025-06-25
Form: DEF 14A
Chunk 19
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 individuals listed in the table. Accordingly, no shares are included in the beneficial ownership totals on account of stock options.

#### CERTAIN OTHER STOCKHOLDERS
The following table sets forth, as of May 31, 2025, (except to the extent otherwise indicated), certain information regarding the persons known by us to be the beneficial owner of more than 5% of our outstanding common stock. Except as otherwise noted, each entity exercises sole voting power and investment power over the shares of voting securities shown.

| Name and Address of Beneficial Owner |     | Shares of Common 
      Stock Owned | Percent of Common 
 Stock Outstanding |     |       |
| BlackRock, Inc.(1)                   
 50 Hudson Yards                      
 New York, NY 10001                   |     |        5,737,508 |                   |     | 12.9% |
| Vanguard Group, Inc.(2)              
 100 Vanguard Blvd.                   
 Malvern, PA 19355                    |     |        5,488,370 |                   |     | 12.3% |

1. Based solely on a Schedule 13G/A filed on April 29, 2025, by BlackRock, Inc., except for Percent of Common Stock Outstanding. BlackRock, Inc. reported it held 5,677,503 shares with sole voting power, 0 shares with shared voting power, 5,737,508 shares with sole dispositive power, and 0 shares with shared dispositive power.

2. Based solely on a Schedule 13G/A filed on February 13, 2024, by Vanguard Group, Inc., except for Percent of Common Stock Outstanding. The Vanguard Group, Inc. reported it held 0 shares with sole voting power, 77,230 shares with shared voting power, 5,365,649 shares with sole dispositive power and 122,721 shares with shared dispositive power.

#### 25COMMVAULT SYSTEMS, INC. |2025 PROXY STATEMENT
Table of Contents

| CORPORATE GOVERNANCE  |DELINQUENT SECTION 16(a) REPORTS |

#### Delinquent Section 16(a) Reports
Section 16(a) of the Securities Exchange Act of 1934, as amended, requires the Company’s directors, executive officers, and beneficial owners of more than 10% of any class of its equity securities to file with the Securities and Exchange Commission (“SEC”) initial reports of ownership (Form 3) and reports