Rubrik, Inc. — Director's Dealing 2025

Jul 1, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Rubrik, Inc. (RBRK)
CIK: 0001943896
Period of Report: 2025-06-26

Reporting Person: Lightspeed Venture Partners IX, L.P. (N/A)
Reporting Person: Lightspeed General Partner IX, L.P. (10% Owner)
Reporting Person: Lightspeed Ultimate General Partner IX, Ltd. (10% Owner)
Reporting Person: Lightspeed Venture Partners Select II, L.P. (10% Owner)
Reporting Person: Lightspeed General Partner Select II, L.P. (10% Owner)
Reporting Person: Lightspeed Ultimate General Partner Select II, Ltd. (10% Owner)
Reporting Person: Lightspeed SPV I, LLC (10% Owner)
Reporting Person: Lightspeed SPV I-B, LLC (10% Owner)
Reporting Person: Lightspeed SPV I-C, LLC (10% Owner)
Reporting Person: LS SPV Management, LLC (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-26	Class A Common Stock	C	4440000	—	Acquired	4440000	Direct
2025-06-26	Class A Common Stock	C	1031000	—	Acquired	1031000	Indirect
2025-06-26	Class A Common Stock	C	2004000	—	Acquired	2004000	Indirect
2025-06-26	Class A Common Stock	C	1274000	—	Acquired	1274000	Indirect
2025-06-26	Class A Common Stock	C	892000	—	Acquired	892000	Indirect
2025-06-26	Class A Common Stock	J	4440000	—	Disposed	0	Direct
2025-06-26	Class A Common Stock	J	1159950	—	Acquired	1159950	Indirect
2025-06-26	Class A Common Stock	J	1159950	—	Disposed	0	Indirect
2025-06-26	Class A Common Stock	J	1031000	—	Disposed	0	Indirect
2025-06-26	Class A Common Stock	J	218572	—	Acquired	218572	Indirect
2025-06-26	Class A Common Stock	J	218572	—	Disposed	0	Indirect
2025-06-26	Class A Common Stock	J	2004000	—	Disposed	0	Indirect
2025-06-26	Class A Common Stock	J	1274000	—	Disposed	0	Indirect
2025-06-26	Class A Common Stock	J	892000	—	Disposed	0	Indirect
2025-06-26	Class A Common Stock	J	400800	—	Acquired	400800	Indirect
2025-06-26	Class A Common Stock	J	400800	—	Disposed	0	Indirect
2025-06-26	Class A Common Stock	J	16984	—	Acquired	16984	Indirect
2025-06-26	Class A Common Stock	J	37961	—	Acquired	59182	Direct
2025-06-26	Class A Common Stock	J	166963	—	Acquired	356242	Indirect
2025-06-26	Class A Common Stock	J	37961	—	Acquired	59182	Direct
2025-06-26	Class A Common Stock	J	146773	—	Acquired	396874	Indirect
2025-06-26	Class A Common Stock	J	20190	—	Acquired	50331	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-06-26	Class B Common Stock	$	C	4440000	Disposed		Class A Common Stock (4440000)	Direct
2025-06-26	Class B Common Stock	$	C	1031000	Disposed		Class A Common Stock (1031000)	Indirect
2025-06-26	Class B Common Stock	$	C	2004000	Disposed		Class A Common Stock (2004000)	Indirect
2025-06-26	Class B Common Stock	$	C	1274000	Disposed		Class A Common Stock (1274000)	Indirect
2025-06-26	Class B Common Stock	$	C	892000	Disposed		Class A Common Stock (892000)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	649	Indirect
Class A Common Stock	8387	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$		Class A Common Stock (101659)	101659	Indirect

Footnotes

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. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Each of LGP IX, LUGP IX and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

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. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP Select II and share voting and dispositive power with respect to the shares held by Lightspeed Select II. Each of LGP Select II, LUGP Select II and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

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. Barry Eggers, Ravi Mhatre and Peter Nieh are the managing members of LS SPV and share voting and dispositive power with respect to the shares held by Lightspeed SPV I. Each of LS SPV and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

F4: Shares are held by Lightspeed SPV I-B, LLC ("Lightspeed SPV I-B"). LS SPV is the manager of Lightspeed SPV I-B. Barry Eggers, Ravi Mhatre, and Peter Nieh are the managing members of LS SPV and share voting and dispositive power with respect to the shares held by Lightspeed SPV I-B. Each of LS SPV and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

F5: Shares are held by Lightspeed SPV I-C, LLC ("Lightspeed SPV I-C"). LS SPV is the manager of Lightspeed SPV I-C. Barry Eggers, Ravi Mhatre, and Peter Nieh are the managing members of LS SPV and share voting and dispositive power with respect to the shares held by Lightspeed SPV I-C. Each of LS SPV and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

F6: Represents an in-kind distribution by Lightspeed IX without consideration to its partners (including LGP IX).

F7: Represents receipt of shares in the distribution in kind described in footnote (6).

F8: Shares are held by LGP IX. LUGP IX is the general partner of LGP IX. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by LGP IX. Each of LUGP IX and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

F9: Represents an in-kind distribution by LGP IX without consideration to its partners.

F10: Represents an in-kind distribution by Lightspeed Select II without consideration to its partners (including LGP Select II).

F11: Represents receipt of shares in the distribution in kind described in footnote (10).

F12: Shares are held by LGP Select II. LUGP Select II is the general partner of LGP Select II. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP Select II and share voting and dispositive power with respect to the shares held by LGP Select II. Each of LUGP Select II and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

F13: Represents an in-kind distribution by LGP Select II without consideration to its partners.

F14: Represents an in-kind distribution by Lightspeed SPV I without consideration to its members (including LS SPV).

F15: Represents an in-kind distribution by Lightspeed SPV I-B without consideration to its members.

F16: Represents an in-kind distribution by Lightspeed SPV I-C without consideration to its members.

F17: Represents receipt of shares in the distribution in kind described in footnote (14).

F18: Shares are held by LS SPV. Barry Eggers, Ravi Mhatre and Peter Nieh are the managing members of LS SPV and share voting and dispositive power with respect to the shares held by LS SPV. Each of Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

F19: Represents an in-kind distribution by LS SPV without consideration to its members.

F20: Represents receipt of shares in the distribution in kind described in footnote (9).

F21: Represents receipt of shares in the distribution in kind described in footnote (13).

F22: Shares are held by Lightspeed Management Company, L.L.C. ("LMC"). Barry Eggers, Ravi Mhatre, and Peter Nieh are managing members of LMC and share voting and dispositive power with respect to the shares held by LMC. Each of Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.

F23: Represents receipt of shares in the distribution in kind described in footnote (19).

F24: Shares are held by Barry Eggers.

F25: Barry Eggers serves as trustee of the general partner of Eggers Investments LP - Fund 2.

F26: Shares are held by Peter Nieh.

F27: Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 2.

F28: Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 4.

F29: Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 1.

F30: Peter Nieh serves as co-trustee of the general partner of Nieh Family Investments LP - Fund 3.

F31: 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.

F32: Shares are held by Lightspeed Venture Partners X, L.P. ("Lightspeed X"). Lightspeed General Partner X, L.P. ("LGP X") is the general partner of Lightspeed X. Lightspeed Ultimate General Partner X, Ltd. ("LUGP X") is the general partner of LGP X. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP X and share voting and dispositive power with respect to the shares held by Lightspeed X. Each of LGP X, LUGP X and Messrs. Eggers and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein. Mr. Mhatre is a director of the Issuer and files separate Section 16 reports.