Ravi Mhatre - 10 Jul 2026 Form 4 Insider Report for Rubrik, Inc. (RBRK)

Reporting relationship: Director
Issuer ticker: RBRK
Reported as of: 10 Jul 2026
Net transaction value: -$330,655
SEC form: 4
Accepted by SEC: 14 Jul 2026, 16:15:09 UTC
Prior SEC filing: 26 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Ravi Mhatre

Key filing fact

Ravi Mhatre filed Form 4 for Rubrik, Inc. (RBRK) on 14 Jul 2026.

Key facts

This page summarizes Ravi Mhatre's Form 4 filing for Rubrik, Inc. (RBRK).
26 reported transactions and 5 derivative rows are listed below.
Accepted by SEC: 14 Jul 2026, 16:15.

Change

Previous filing in this sequence was filed on 26 Jun 2026.
Current net transaction value: -$330,655.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001366050 Primary reporting owner

Mhatre Ravi

Relationship: Director
Address: 2200 SAND HILL ROAD, MENLO PARK
Signature: /s/ Ravi Mhatre
Signature date: 14 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RBRK transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +1,040,590
Change %
Price: $0.000000^*
Shares after: 1,040,590
Date: 10 Jul 2026
Ownership: By Lightspeed Venture Partners IX, L.P.
Footnotes: F1

RBRK transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +241,577
Change %
Price: $0.000000^*
Shares after: 241,577
Date: 10 Jul 2026
Ownership: By Lightspeed Venture Partners Select II, L.P.
Footnotes: F2

RBRK transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +470,148
Change %
Price: $0.000000^*
Shares after: 470,148
Date: 10 Jul 2026
Ownership: By Lightspeed SPV I, LLC
Footnotes: F3

RBRK transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +370,033
Change %
Price: $0.000000^*
Shares after: 370,033
Date: 10 Jul 2026
Ownership: By Lightspeed SPV I-B, LLC
Footnotes: F4

RBRK transaction

Class A Common Stock

Conversion of derivative security

Transaction value
Shares: +259,005
Change %
Price: $0.000000^*
Shares after: 259,005
Date: 10 Jul 2026
Ownership: By Lightspeed SPV I-C, LLC
Footnotes: F5

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: -1,040,590
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 10 Jul 2026
Ownership: By Lightspeed Venture Partners IX, L.P.
Footnotes: F1, F6

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: +271,855
Change %
Price: $0.000000^*
Shares after: 271,855
Date: 10 Jul 2026
Ownership: By Lightspeed General Partner IX, L.P.
Footnotes: F7, F8

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: -271,855
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 10 Jul 2026
Ownership: By Lightspeed General Partner IX, L.P.
Footnotes: F8, F9

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: -241,577
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 10 Jul 2026
Ownership: By Lightspeed Venture Partners Select II, L.P.
Footnotes: F2, F10

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: +51,215
Change %
Price: $0.000000^*
Shares after: 51,215
Date: 10 Jul 2026
Ownership: By Lightspeed General Partner Select II, L.P.
Footnotes: F11, F12

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: -51,215
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 10 Jul 2026
Ownership: By Lightspeed General Partner Select II, L.P.
Footnotes: F12, F13

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: -470,148
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 10 Jul 2026
Ownership: By Lightspeed SPV I, LLC
Footnotes: F3, F14

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: -370,033
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 10 Jul 2026
Ownership: By Lightspeed SPV I-B, LLC
Footnotes: F4, F15

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: -259,005
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 10 Jul 2026
Ownership: By Lightspeed SPV I-C, LLC
Footnotes: F5, F16

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: +94,030
Change %
Price: $0.000000^*
Shares after: 94,030
Date: 10 Jul 2026
Ownership: By LS SPV Management, LLC
Footnotes: F17, F18

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: -94,030
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 10 Jul 2026
Ownership: By LS SPV Management, LLC
Footnotes: F18, F19

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: +3,979
Change %
Price: $0.000000^*
Shares after: 3,979
Date: 10 Jul 2026
Ownership: By Lightspeed Management Company, L.L.C.
Footnotes: F20, F21, F22

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: +11,874
Change %: +10%
Price: $0.000000^*
Shares after: 125,351
Date: 10 Jul 2026
Ownership: Direct
Footnotes: F23

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: +34,399
Change %: +7.2%
Price: $0.000000^*
Shares after: 511,537
Date: 10 Jul 2026
Ownership: By Mhatre Investments LP - Fund 2
Footnotes: F20, F24

RBRK transaction

Class A Common Stock

Other

Transaction value
Shares: +6,308
Change %: +7%
Price: $0.000000^*
Shares after: 96,525
Date: 10 Jul 2026
Ownership: By Mhatre Investments LP - Fund 3
Footnotes: F21, F25

RBRK transaction

Class A Common Stock

Sale

Transaction value: $330,655
Shares: -3,979
Change %: -100%
Price: $83.10
Shares after: 0
Date: 13 Jul 2026
Ownership: By Lightspeed Management Company, L.L.C.
Footnotes: F22, F26

RBRK holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 649
Date: 10 Jul 2026
Ownership: By Trust
Footnotes: F27

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

RBRK transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares: -1,040,590
Change %: -33%
Price: $0.000000^*
Shares after: 2,081,182
Date: 10 Jul 2026
Ownership: By Lightspeed Venture Partners IX, L.P.
Underlying class: Class A Common Stock
Underlying amount: 1,040,590
Exercise price
Footnotes: F1, F28

RBRK transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares: -241,577
Change %: -33%
Price: $0.000000^*
Shares after: 483,153
Date: 10 Jul 2026
Ownership: By Lightspeed Venture Partners Select II, L.P.
Underlying class: Class A Common Stock
Underlying amount: 241,577
Exercise price
Footnotes: F2, F28

RBRK transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares: -470,148
Change %: -33%
Price: $0.000000^*
Shares after: 940,297
Date: 10 Jul 2026
Ownership: By Lightspeed SPV I, LLC
Underlying class: Class A Common Stock
Underlying amount: 470,148
Exercise price
Footnotes: F3, F28

RBRK transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares: -370,033
Change %: -33%
Price: $0.000000^*
Shares after: 740,067
Date: 10 Jul 2026
Ownership: By Lightspeed SPV I-B, LLC
Underlying class: Class A Common Stock
Underlying amount: 370,033
Exercise price
Footnotes: F4, F28

RBRK transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
Shares: -259,005
Change %: -33%
Price: $0.000000^*
Shares after: 518,008
Date: 10 Jul 2026
Ownership: By Lightspeed SPV I-C, LLC
Underlying class: Class A Common Stock
Underlying amount: 259,005
Exercise price
Footnotes: F5, F28

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 28 footnotes

Footnote F1

Shares are held by Lightspeed Venture Partners IX, L.P. ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX") is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. The Reporting Person is a director of LUGP IX and shares voting and dispositive power with respect to the shares held by Lightspeed IX. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Footnote F2

Shares are held by Lightspeed Venture Partners Select II, L.P. ("Lightspeed Select II"). Lightspeed General Partner Select II, L.P. ("LGP Select II") is the general partner of Lightspeed Select II. Lightspeed Ultimate General Partner Select II, Ltd. ("LUGP Select II") is the general partner of LGP Select II. The Reporting Person is a director of LUGP Select II and shares voting and dispositive power with respect to the shares held by Lightspeed Select II. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Footnote F3

Shares are held by Lightspeed SPV I, LLC ("Lightspeed SPV I"). LS SPV Management, LLC ("LS SPV") is the manager of Lightspeed SPV I. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by Lightspeed SPV I. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Footnote F4

Shares are held by Lightspeed SPV I-B, LLC ("Lightspeed SPV I-B"). LS SPV is the manager of Lightspeed SPV I-B. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by Lightspeed SPV I-B. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Footnote F5

Shares are held by Lightspeed SPV I-C, LLC ("Lightspeed SPV I-C"). LS SPV is the manager of Lightspeed SPV I-C. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by Lightspeed SPV I-C. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Footnote F6

Represents an in-kind distribution by Lightspeed IX without consideration to its partners (including LGP IX).

Footnote F7

Represents receipt of shares in the distribution in kind described in footnote (6).

Footnote F8

Shares are held by LGP IX. LUGP IX is the general partner of LGP IX. The Reporting Person is a director of LUGP IX and shares voting and dispositive power with respect to the shares held by LGP IX. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Footnote F9

Represents an in-kind distribution by LGP IX without consideration to its partners.

Footnote F10

Represents an in-kind distribution by Lightspeed Select II without consideration to its partners (including LGP Select II).

Footnote F11

Represents receipt of shares in the distribution in kind described in footnote (10).

Footnote F12

Shares are held by LGP Select II. LUGP Select II is the general partner of LGP Select II. The Reporting Person is a director of LUGP Select II and shares voting and dispositive power with respect to the shares held by LGP Select II. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Footnote F13

Represents an in-kind distribution by LGP Select II without consideration to its partners.

Footnote F14

Represents an in-kind distribution by Lightspeed SPV I without consideration to its members.

Footnote F15

Represents an in-kind distribution by Lightspeed SPV I-B without consideration to its members.

Footnote F16

Represents an in-kind distribution by Lightspeed SPV I-C without consideration to its members.

Footnote F17

Represents receipt of shares in the distribution in kind described in footnote (14).

Footnote F18

Shares are held by LS SPV. The Reporting Person is a managing member of LS SPV and shares voting and dispositive power with respect to the shares held by LS SPV. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Footnote F19

Represents an in-kind distribution by LS SPV without consideration to its members.

Footnote F20

Represents receipt of shares in the distribution in kind described in footnote (9).

Footnote F21

Represents receipt of shares in the distribution in kind described in footnote (13).

Footnote F22

Shares are held by Lightspeed Management Company, L.L.C. ("LMC"). The Reporting Person is a managing member of LMC and shares voting and dispositive power with respect to the shares held by LMC. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

Footnote F23

Represents receipt of shares in the distribution in kind described in footnote (19).

Footnote F24

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

Footnote F25

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

Footnote F26

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.81 to $83.33 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Footnote F27

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

Footnote F28

Each share of Class B Common Stock will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subject to certain exceptions, and in certain other circumstances described in the Issuer's amended and restated certificate of incorporation. Each share of Class B Common Stock is also convertible at any time at the option of the holder into one share of Class A Common Stock.