Rubrik insider plans Rule 144 sale of 206 Class A shares

Rubrik (RBRK) has a Form 144 notice for a small planned share sale.

Rhea-AI Filing Summary

Rubrik (RBRK) has a Form 144 notice for a small planned share sale. Eggers Investments LP - Fund 2 reported an intent to sell 206 Class A shares through Merrill Lynch on the NYSE, with an aggregate market value of 17,938.48 and 151,894,462 Class A shares outstanding.

The securities being sold were originally acquired from the issuer in a private placement on 01/27/2014 for cash. The notice also reports that the same seller disposed of 40,000 Class A shares on 12/08/2025 for gross proceeds of 3,472,858.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Rubrik (RBRK) disclose in this Form 144 filing?

The filing reports that Eggers Investments LP - Fund 2 plans to sell 206 Rubrik Class A shares on the NYSE and provides details on how and when those shares were acquired and will be sold.

How many Rubrik (RBRK) shares are planned to be sold under this Form 144?

The notice covers a proposed sale of 206 Rubrik Class A shares, with an aggregate market value of 17,938.48.

Who is the selling security holder in this Rubrik (RBRK) Form 144?

The planned sale is for the account of Eggers Investments LP - Fund 2, which is identified as the seller in the tables.

When and how were the Rubrik (RBRK) shares being sold originally acquired?

The 206 Class A shares were acquired on 01/27/2014 in a private placement from the issuer, with the purchase price paid in cash.

Which broker and exchange are involved in the planned Rubrik (RBRK) share sale?

The Form 144 lists Merrill Lynch, Pierce, Fenner & Smith Incorporated as broker, with the Class A shares to be sold on the NYSE.

How many Rubrik (RBRK) shares are outstanding according to the Form 144?

The table states that there are 151,894,462 Rubrik Class A shares outstanding at the time of the notice.

What Rubrik (RBRK) share sales occurred in the past three months for this holder?

The filing reports that Eggers Investments LP - Fund 2 sold 40,000 Class A shares on 12/08/2025 for 3,472,858 in gross proceeds.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 12/12/2025 - 07:11 PM Learn about SEC filing dates

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	0001744936
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Rubrik, Inc.
SEC File Number	001-42028
Address of Issuer	3495 Deer Creek Road Palo Alto CALIFORNIA 94304
Phone	844-478-2745
Name of Person for Whose Account the Securities are To Be Sold	Lightspeed General Partner Select II, LP
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	Affiliate

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	Merrill Lynch, Pierce,Fenner & Smith Incorporated 555 California Street 18th Floor San Francisco CA 94104	206	17938.48	151894462	12/12/2025	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 *
Class A	01/27/2014	Private Placement	Issuer			206	01/27/2014	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Eggers Investments LP - Fund 2 2200 SAND HILL RD STE 100 MENLO PARK CA 94025	Class A	12/08/2025	40000	3472858

144: Remarks and Signature

Remarks
Date of Notice	12/12/2025
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	Andrew Moley
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)