Rubrik (NYSE: RBRK) director awarded 146 fully vested RSUs in equity grant

Rhea-AI Filing Summary

Rubrik director Yvonne Wassenaar reported receiving 146 shares of Class A common stock as a fully vested restricted stock unit grant on January 15, 2026. The units were granted at a price of $0 per share, meaning no cash payment was required from her. Following this equity grant, she beneficially owns 3,001 shares of Rubrik Class A common stock in direct ownership.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Wassenaar Yvonne

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	146	$0.00	--

Holdings After Transaction: Class A Common Stock — 3,001 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 01/16/2026 - 08:00 PM Learn about SEC filing dates

FAQ

What insider transaction did Rubrik (RBRK) report for Yvonne Wassenaar?

Rubrik reported that director Yvonne Wassenaar received 146 shares of Class A common stock through a grant of restricted stock units that were fully vested on the grant date.

When did the reported Rubrik (RBRK) insider transaction occur?

The transaction occurred on January 15, 2026, as disclosed in the Form 4.

What type of security did the Rubrik director receive in this Form 4 filing?

The director received Class A Common Stock of Rubrik, delivered via a grant of fully vested restricted stock units.

How many Rubrik shares does Yvonne Wassenaar own after this transaction?

After the reported grant, 3,001 shares of Rubrik Class A common stock are shown as beneficially owned by Yvonne Wassenaar in direct ownership.

Was any price paid for the Rubrik shares received by the director?

No cash was paid for these shares; the Form 4 lists a price of $0 per share for the 146 shares received in the restricted stock unit grant.

Is the Rubrik equity award to Yvonne Wassenaar subject to future vesting?

No. A footnote explains that the grant represents restricted stock units that are fully vested as of the date of grant.

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).

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^*

Wassenaar Yvonne

(Last) (First) (Middle)

C/O RUBRIK INC.

3495 DEER CREEK ROAD

(Street)

PALO ALTO CA 94304

(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)		146	A	$0	3,001	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 the grant of restricted stock units that are fully vested as of the date of grant.

	/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).
** 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.