Rubrik, Inc. (RBRK) director receives 220 fully vested RSUs in Form 4 filing

Rhea-AI Filing Summary

Rubrik, Inc. director Ravi Mhatre reported a grant of 220 restricted stock units of Class A common stock on January 15, 2026, at a price of $0 per share. These RSUs are fully vested as of the grant date. Following this award, he beneficially owns 97,894 shares of Rubrik Class A common stock directly. He also reports indirect beneficial ownership of 442,739 shares through Mhatre Investments LP - Fund 2, 83,909 shares through Mhatre Investments LP - Fund 3, and 649 shares through the Mhatre 2011 Irrevocable Children's Trust, where he serves as trustee or trustee of the general partners.

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

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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^*

Mhatre Ravi

(Last) (First) (Middle)

2200 SAND HILL ROAD

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Rubrik, Inc. [ RBRK ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/15/2026

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
Class A Common Stock	01/15/2026		A(1)		220	A	$0	97,894	D
Class A Common Stock								442,739	I	By Mhatre Investments LP - Fund 2(2)
Class A Common Stock								83,909	I	By Mhatre Investments LP - Fund 3(3)
Class A Common Stock								649	I	By Trust(4)

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 the grant of restricted stock units that are fully vested as of the date of grant.

2. The Reporting Person serves as trustee of the general partner of Mhatre Investments LP - Fund 2.

3. The Reporting Person serves as trustee of the general partner of Mhatre Investments LP - Fund 3.

4. The Reporting Person is the trustee of the Mhatre 2011 Irrevocable Children's Trust.

	/s/ Larry Guo, Attorney-in-Fact	01/16/2026
	** 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).
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FAQ

What insider transaction did Rubrik (RBRK) disclose for Ravi Mhatre?

Rubrik director Ravi Mhatre reported a grant of 220 restricted stock units of Rubrik Class A common stock on January 15, 2026, at a price of $0 per share. The units are fully vested as of the grant date.

How many Rubrik (RBRK) shares does Ravi Mhatre own directly after this Form 4?

After the reported grant, Ravi Mhatre beneficially owns 97,894 shares of Rubrik Class A common stock in direct ownership.

What indirect Rubrik (RBRK) holdings are reported for Ravi Mhatre?

Indirectly, 442,739 shares are held through Mhatre Investments LP - Fund 2, 83,909 shares through Mhatre Investments LP - Fund 3, and 649 shares through the Mhatre 2011 Irrevocable Children's Trust, with Mhatre serving as trustee or trustee of the general partners.

What is the nature of the 220-share award reported by Rubrik director Ravi Mhatre?

The 220-share award is a grant of restricted stock units in Rubrik Class A common stock that are fully vested as of the date of grant, according to the filing explanation.

Does the Rubrik (RBRK) Form 4 show any derivative securities for Ravi Mhatre?

The Form 4 table for Ravi Mhatre lists only non-derivative Rubrik Class A common stock. The section for derivative securities does not report any positions in this filing excerpt.

What is Ravi Mhatre’s role at Rubrik (RBRK) as shown in the Form 4?

The filing identifies Ravi Mhatre as a director of Rubrik, Inc. and does not mark him as an officer or 10% owner in the relationship section.