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  4. [Form 4] COMMVAULT SYSTEMS INC Insider Trading Activity

Commvault (NASDAQ: CVLT) CAO sale includes tax-withholding trade

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

COMMVAULT SYSTEMS INC (CVLT) reported insider stock sales by Chief Accounting Officer Danielle Nicole Abrahamsen. She sold a total of 996 shares of common stock in three open-market transactions on August 17, 18, and 19, 2026, at prices between $142.80 and $143.98 per share.

Sales of 486 shares on August 19 and 119 shares on August 17 were effected under an existing Rule 10b5-1 trading plan adopted on February 17, 2026. A separate sale of 391 shares on August 18 was automatically executed solely to satisfy tax withholding obligations upon vesting of restricted and performance stock, with proceeds remitted to the Internal Revenue Service.

Positive

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Insider Abrahamsen Danielle Nicole
Role Chief Accounting Officer
Sold 996 shs ($143K)
Type Security Shares Price Value
Sale Common Stock F1 486 $142.80 $69K
Sale Common Stock F2 391 $143.64 $56K
Sale Common Stock F1 119 $143.98 $17K
Holdings After Transaction: Common Stock — 12,160 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 February 17, 2026.
  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.
Total shares sold 996 shares Aggregate non-derivative common stock sales reported in this Form 4
Sale on 2026-08-19 486 shares at $142.80 per share Open-market or private transaction by Chief Accounting Officer
Sale on 2026-08-18 for tax withholding 391 shares at $143.64 per share Automatically sold to satisfy tax withholding on vesting; proceeds remitted to IRS
Sale on 2026-08-17 119 shares at $143.98 per share Open-market or private transaction under Rule 10b5-1 trading plan
Rule 10b5-1 plan adoption date February 17, 2026 Date Danielle Nicole Abrahamsen adopted the trading plan referenced in the sales
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"
restricted and performance stock financial
"tax withholding obligations of reporting person on vesting of restricted and performance stock"

FAQ

What insider transactions were reported at COMMVAULT SYSTEMS INC (CVLT)?
COMMVAULT’s Chief Accounting Officer, Danielle Nicole Abrahamsen, reported three sales totaling 996 shares of common stock on August 17–19, 2026. The shares were sold in open-market transactions at prices between $142.80 and $143.98 per share.

How many CVLT shares did Danielle Nicole Abrahamsen sell and at what prices?
Danielle Nicole Abrahamsen sold 996 CVLT shares in total. She sold 119 shares at $143.98, 391 shares at $143.64, and 486 shares at $142.80, all in open-market or private transactions reported on Form 4.

Were the recent CVLT insider sales under a Rule 10b5-1 trading plan?
Yes. The sales of 486 shares on August 19 and 119 shares on August 17, 2026 were effected pursuant to an existing Rule 10b5-1 trading plan adopted by Danielle Nicole Abrahamsen on February 17, 2026, as disclosed in the Form 4 footnotes.

Why were some of Danielle Nicole Abrahamsen’s CVLT shares sold automatically?
A sale of 391 CVLT shares on August 18, 2026 was automatically executed solely to satisfy tax withholding obligations upon vesting of restricted and performance stock. The filing states that proceeds from this sale were submitted to the Internal Revenue Service.

Does the Form 4 disclose Danielle Nicole Abrahamsen’s remaining CVLT share holdings?
The Form 4 reports the shares sold but does not provide a post-transaction share balance for these specific transactions. The “total shares following transaction” fields for the reported sales are not filled in the structured data provided.

What role does Danielle Nicole Abrahamsen hold at COMMVAULT SYSTEMS INC (CVLT)?
Danielle Nicole Abrahamsen is identified as the Chief Accounting Officer of COMMVAULT SYSTEMS INC in the Form 4. The reported transactions therefore reflect trading activity by a senior finance executive of the company’s management team.

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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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*
Abrahamsen Danielle Nicole
(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Accounting Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/17/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock(1)08/17/2026S119D$143.9813,037D
Common Stock(2)08/18/2026S391D$143.6412,646D
Common Stock(1)08/19/2026S486D$142.812,160D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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 February 17, 2026.
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 Abrahamsen08/19/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR