STOCK TITAN

Rubrik (RBRK) CTO uses 10,437 shares for tax withholding, holds 303,611

Filing Impact
(Very High)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Rubrik, Inc. Chief Technology Officer Nithrakashyap Arvind reported a tax-withholding disposition of 10,437 shares of Class A Common Stock at $69.79 per share. These shares were used to cover tax obligations, and Arvind now directly holds 303,611 shares after the transaction.

Positive

  • None.

Negative

  • None.
Insider Nithrakashyap Arvind
Role Chief Technology Officer
Type Security Shares Price Value
Tax Withholding Class A Common Stock 10,437 $69.79 $728K
Holdings After Transaction: Class A Common Stock — 303,611 shares (Direct, null)
Footnotes (1)
Tax-withholding shares 10,437 shares Shares delivered for tax liability under code F
Disposition price $69.79 per share Value used for the tax-withholding disposition
Shares held after transaction 303,611 shares Direct Class A Common Stock ownership after Form 4 event
tax-withholding disposition financial
"transaction_action": "tax-withholding disposition""
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
Class A Common Stock financial
"security_title": "Class A Common Stock""
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.
Form 4 regulatory
"INSIDER FILING DATA (Form 4): {"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
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).
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*
Nithrakashyap Arvind

(Last)(First)(Middle)
C/O RUBRIK INC.
3495 DEER CREEK ROAD

(Street)
PALO ALTO CALIFORNIA 94304

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Rubrik, Inc. [ RBRK ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Technology Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/16/2026
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
Class A Common Stock06/16/2026F10,437D$69.79303,611D
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:
/s/ Larry Guo, Attorney-in-Fact06/17/2026
** 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)

FAQ

What insider transaction did Rubrik (RBRK) report for Nithrakashyap Arvind?

Rubrik reported that Chief Technology Officer Nithrakashyap Arvind had 10,437 Class A Common Stock shares disposed of as a tax-withholding transaction. This covered tax obligations tied to equity compensation, not an open-market sale or discretionary trading decision.

Was the Rubrik (RBRK) CTO’s Form 4 transaction an open-market sale?

No, the transaction was coded as an F, meaning a tax-withholding disposition. Shares were delivered to satisfy tax liability at $69.79 per share rather than sold in the open market to outside buyers.

How many Rubrik (RBRK) shares were used for the CTO’s tax withholding?

The Form 4 shows 10,437 shares of Rubrik Class A Common Stock used for tax withholding. The price associated with this disposition was $69.79 per share, reflecting the value applied in determining the tax payment.

How many Rubrik (RBRK) shares does the CTO hold after this Form 4 filing?

After the tax-withholding disposition, Chief Technology Officer Nithrakashyap Arvind directly holds 303,611 shares of Rubrik Class A Common Stock. This figure represents his reported direct ownership immediately following the transaction.

What does transaction code F mean in the Rubrik (RBRK) Form 4?

Transaction code F indicates payment of an exercise price or tax liability by delivering securities. In this Rubrik filing, 10,437 shares were disposed of as a tax-withholding disposition, covering tax obligations linked to equity compensation rather than a voluntary share sale.