[Form 4] COMMVAULT SYSTEMS INC Insider Trading Activity

Rhea-AI Filing Summary

Commvault Systems, Inc. (CVLT) reported insider transactions by its Chief Commercial Officer on a Form 4. On 11/18/2025, the officer sold 2,674 shares of common stock at a weighted average price of $123.58, and on 11/19/2025 sold an additional 1,845 shares at $122.40. After these sales, the officer beneficially owned 69,163 shares and 67,318 shares, respectively, directly.

According to the disclosure, some shares were automatically sold solely to satisfy tax withholding obligations upon vesting of restricted and performance stock, with proceeds remitted to the Internal Revenue Service. One of the reported sales was effected under an existing Rule 10b5-1 trading plan adopted on November 20, 2024 and amended on June 13, 2025.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Merrill Gary

(Last) (First) (Middle)

1 COMMVAULT WAY

(Street)

TINTON FALLS NJ 07724

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
COMMVAULT SYSTEMS INC [ CVLT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Commercial Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/18/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	11/18/2025		S		2,674	D	$123.58(2)	69,163	D
Common Stock(3)	11/19/2025		S		1,845	D	$122.4	67,318	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares automatically sold solely to satisfy tax withholding obligations of reporting person on vesting of restricted and performance stock. Proceeds from the sale were submitted to the Internal Revenue Service.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.58 to $124.33, inclusive. Full information regarding the number of shares sold at each separate price will be provided by the reporting person upon request to the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer.

3. The sale reported in this Form 4 was effected pursuant to an existing Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2024, as amended on June 13, 2025.

Remarks:

	/s/ Danielle Abrahamsen, Attorney-in-Fact	11/20/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Commvault (CVLT) disclose in this Form 4?

The Chief Commercial Officer of Commvault Systems, Inc. (CVLT) reported sales of common stock on 11/18/2025 and 11/19/2025, as shown in Table I of the filing.

How many Commvault (CVLT) shares did the officer sell and at what prices?

The officer sold 2,674 shares of common stock at a weighted average price of $123.58 on 11/18/2025, and 1,845 shares at $122.40 on 11/19/2025.

How many Commvault (CVLT) shares does the reporting person own after these transactions?

Following the reported transactions, the Chief Commercial Officer beneficially owned 69,163 shares after the 11/18/2025 sale and 67,318 shares after the 11/19/2025 sale, held directly.

Why were some Commvault (CVLT) shares sold according to the Form 4 explanation?

The explanation states that certain shares were automatically sold solely to satisfy tax withholding obligations upon vesting of restricted and performance stock, with proceeds submitted to the Internal Revenue Service.

Was a Rule 10b5-1 trading plan involved in the Commvault (CVLT) share sale?

Yes. One of the reported sales was effected under an existing Rule 10b5-1 trading plan adopted by the reporting person on November 20, 2024 and amended on June 13, 2025.

What is the reporting person’s role at Commvault Systems (CVLT)?

The reporting person is an officer of Commvault Systems, Inc., serving as the company’s Chief Commercial Officer.