Commvault (NASDAQ: CVLT) CEO stock sales include tax-withholding trade

Rhea-AI Filing Summary

COMMVAULT SYSTEMS INC (CVLT) reported that President & CEO Sanjay Mirchandani sold an aggregate of 24,134 shares of common stock over three days. On August 17 and 19, 2026, he sold shares at $143.98 and $142.80 per share pursuant to an existing Rule 10b5-1 trading plan adopted on December 13, 2025. On August 18, 2026, 4,840 shares were automatically sold at $143.64 per share solely to satisfy tax withholding obligations on vesting of restricted and performance stock, with proceeds remitted to the Internal Revenue Service.

Insider Trade Summary 10b5-1

Net Seller: 24,134 shares

Net Sell 3 txns

Insider Mirchandani Sanjay

Role President & CEO

Sold 24,134 shs ($3.47M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	6,857	$142.80	$979K
Sale	Common Stock F2	4,840	$143.64	$695K
Sale	Common Stock F1	12,437	$143.98	$1.79M

Holdings After Transaction: Common Stock — 257,676 shares (Direct)

Footnotes (2)

1. F1. The sale reported in this Form 4 was effected pursuant to an existing Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2025.
2. F2. 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.

Key Figures

Total shares sold: 24,134 shares 10b5-1 plan sales: 18,994 shares Tax withholding sale: 4,840 shares +4 more

7 metrics

Total shares sold 24,134 shares Aggregate CVLT common shares sold by Sanjay Mirchandani on August 17–19, 2026

10b5-1 plan sales 18,994 shares Shares sold under an existing Rule 10b5-1 trading plan on August 17 and 19, 2026

Tax withholding sale 4,840 shares Shares automatically sold to satisfy tax withholding obligations on August 18, 2026

Sale price 17-Aug-2026 $143.98 per share Price for 12,437 CVLT shares sold on August 17, 2026

Sale price 18-Aug-2026 $143.64 per share Price for 4,840 CVLT shares sold to cover tax withholding on August 18, 2026

Sale price 19-Aug-2026 $142.80 per share Price for 6,857 CVLT shares sold on August 19, 2026

10b5-1 plan adoption date December 13, 2025 Adoption date of the Rule 10b5-1 trading plan referenced in the sales footnote

Key Terms

Rule 10b5-1 trading plan, tax withholding obligations, performance stock

3 terms

Rule 10b5-1 trading plan regulatory

"The sale reported in this Form 4 was effected pursuant to an existing Rule 10b5-1"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

tax withholding obligations financial

"Represents shares automatically sold solely to satisfy tax withholding obligations of"

performance stock financial

"tax withholding obligations of reporting person on vesting of restricted and performance stock"

FAQ

What insider transactions did CVLT President & CEO Sanjay Mirchandani report on this Form 4?

Sanjay Mirchandani reported three sales totaling 24,134 CVLT shares on August 17–19, 2026. Two trades were open-market sales under a Rule 10b5-1 trading plan, and one was an automatic sale to cover tax withholding on vesting equity.

How many CVLT shares were sold under the Rule 10b5-1 trading plan?

Mirchandani sold 18,994 CVLT shares under a Rule 10b5-1 plan. These were 12,437 shares at $143.98 on August 17, 2026 and 6,857 shares at $142.80 on August 19, 2026, both explicitly described as effected under the pre-adopted trading plan.

What portion of the reported CVLT share sales related to tax withholding?

One transaction for 4,840 CVLT shares on August 18, 2026 was an automatic sale solely to satisfy tax withholding obligations on vesting restricted and performance stock. The filing states sale proceeds were submitted to the Internal Revenue Service.

What were the sale prices in Sanjay Mirchandani’s reported CVLT stock transactions?

The reported sale prices were $143.98 per share for 12,437 shares on August 17, 2026, $143.64 per share for 4,840 tax-related shares on August 18, 2026, and $142.80 per share for 6,857 shares on August 19, 2026.

Was a Rule 10b5-1 trading plan involved in these CVLT insider stock sales?

Yes. The filing affirms use of a Rule 10b5-1 trading plan. Footnotes state that sales on August 17 and 19, 2026 were effected pursuant to an existing plan adopted by the reporting person on December 13, 2025.

Did the Form 4 disclose Sanjay Mirchandani’s remaining CVLT share holdings after these sales?

The reported transactions list individual sale amounts and prices but do not provide a total share balance following the transactions. The post-transaction holdings fields in the reported rows are not filled with an updated aggregate ownership figure.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/19/2026 - 05:36 PM Accepted by SEC EDGAR 08/19/2026 - 05:35 PM Learn about SEC filing dates

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^*

Mirchandani Sanjay

(Last) (First) (Middle)

1 COMMVAULT WAY

(Street)

TINTON FALLS NEW JERSEY 07724

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/17/2026

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

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

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

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)	08/17/2026		S		12,437	D	$143.98	269,373	D
Common Stock(2)	08/18/2026		S		4,840	D	$143.64	264,533	D
Common Stock(1)	08/19/2026		S		6,857	D	$142.8	257,676	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. The sale reported in this Form 4 was effected pursuant to an existing Rule 10b5-1 trading plan adopted by the reporting person on December 13, 2025.

2. 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.

Remarks:

	/s/ Danielle Abrahamsen, Attorney-in-Fact	08/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)