Rubrik (NYSE: RBRK) holder files Rule 144 to sell 40,000 shares

Rhea-AI Filing Summary

Rubrik (RBRK) reported a planned secondary share sale by an existing holder under Rule 144. The notice covers 40,000 shares of Class A common stock to be sold through Merrill Lynch on the NYSE, with an aggregate market value of 3,472,858 and 151,894,462 shares of the same class outstanding. The approximate sale date disclosed is 12/08/2025.

The 40,000 shares were originally acquired in a private placement from the issuer on 01/27/2024, paid for in cash on the same date.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Common	Merrill Lynch 555 California St Ste 1800 San Francisco CA 94104	40000	3472858	151894462	12/08/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	01/27/2024	private placement	Issuer			40000	01/27/2024	cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many Rubrik (RBRK) shares are covered by this Rule 144 notice?

The notice covers 40,000 shares of Rubrik Class A common stock that a holder plans to sell under Rule 144.

What is the aggregate market value of the Rubrik (RBRK) shares in this planned sale?

The filing states an aggregate market value of 3,472,858 for the 40,000 Rubrik Class A shares subject to the planned sale.

When is the Rubrik (RBRK) Rule 144 sale expected to occur?

The approximate date of sale disclosed for the 40,000 Rubrik Class A shares is 12/08/2025.

On which exchange are the Rubrik (RBRK) shares expected to be sold under this notice?

The filing indicates that the 40,000 Class A Rubrik shares are to be sold on the NYSE.

How and when were the Rubrik (RBRK) shares in this Rule 144 filing acquired?

The 40,000 Rubrik common shares were acquired on 01/27/2024 in a private placement from the issuer, with payment made in cash on the same date.

How many Rubrik (RBRK) shares of this class are outstanding according to the notice?

The notice reports that there are 151,894,462 shares of the relevant Rubrik class outstanding.