InsiderTrades

Form 4 for RBRK Rubrik, Inc.

Accepted 2025-09-15 00:00:00 ET · period of report 2025-09-11 · accession 0001392138-25-000005 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DMI 2025-09-15 2025-09-11 RBRK Chandna Asheem Dir C - Cnv Deriv $0.00 +4.97M 248.7K New $0
DMI 2025-09-15 2025-09-11 RBRK Chandna Asheem Dir J - Other $0.00 -4.96M 46.5K -99% $0
D 2025-09-15 2025-09-11 RBRK Chandna Asheem Dir J - Other $0.00 +244.8K 1.09M +29% $0
DMI 2025-09-15 2025-09-11 RBRK Chandna Asheem Dir C - Cnv Deriv $0.00 -4.97M 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2025-09-11 C A 4,476,448 $0.00 4,476,448 I By Greylock XIV Limited Partnership — — (F1) Greylock XIV GP LLC ("Greylock XIV GP") is the sole general partner of each of Greylock XIV Limited Partnership ("Greylock XIV") and Greylock XIV-A Limited Partnership ("Greylock XIV-A") and manager of Greylock XIV Principals LLC ("Greylock XIV Principals") and may be deemed to share voting and dispositive power with respect to the shares held directly by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person is one of the managing members of Greylock XIV GP, and may be deemed to share voting and investment power over the shares held by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any.
2 Common Class A Common Stock 2025-09-11 C A 248,691 $0.00 248,691 I By Greylock XIV-A Limited Partnership — — (F1) Greylock XIV GP LLC ("Greylock XIV GP") is the sole general partner of each of Greylock XIV Limited Partnership ("Greylock XIV") and Greylock XIV-A Limited Partnership ("Greylock XIV-A") and manager of Greylock XIV Principals LLC ("Greylock XIV Principals") and may be deemed to share voting and dispositive power with respect to the shares held directly by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person is one of the managing members of Greylock XIV GP, and may be deemed to share voting and investment power over the shares held by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any.
3 Common Class A Common Stock 2025-09-11 C A 248,691 $0.00 248,691 I By Greylock XIV Principals LLC — — (F1) Greylock XIV GP LLC ("Greylock XIV GP") is the sole general partner of each of Greylock XIV Limited Partnership ("Greylock XIV") and Greylock XIV-A Limited Partnership ("Greylock XIV-A") and manager of Greylock XIV Principals LLC ("Greylock XIV Principals") and may be deemed to share voting and dispositive power with respect to the shares held directly by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person is one of the managing members of Greylock XIV GP, and may be deemed to share voting and investment power over the shares held by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any.
4 Common Class A Common Stock 2025-09-11 J D 4,476,448 $0.00 0 I By Greylock XIV Limited Partnership — — (F1) Greylock XIV GP LLC ("Greylock XIV GP") is the sole general partner of each of Greylock XIV Limited Partnership ("Greylock XIV") and Greylock XIV-A Limited Partnership ("Greylock XIV-A") and manager of Greylock XIV Principals LLC ("Greylock XIV Principals") and may be deemed to share voting and dispositive power with respect to the shares held directly by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person is one of the managing members of Greylock XIV GP, and may be deemed to share voting and investment power over the shares held by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any.
5 Common Class A Common Stock 2025-09-11 J D 248,691 $0.00 0 I By Greylock XIV-A Limited Partnership — — (F1) Greylock XIV GP LLC ("Greylock XIV GP") is the sole general partner of each of Greylock XIV Limited Partnership ("Greylock XIV") and Greylock XIV-A Limited Partnership ("Greylock XIV-A") and manager of Greylock XIV Principals LLC ("Greylock XIV Principals") and may be deemed to share voting and dispositive power with respect to the shares held directly by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person is one of the managing members of Greylock XIV GP, and may be deemed to share voting and investment power over the shares held by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any.
6 Common Class A Common Stock 2025-09-11 J D 248,691 $0.00 0 I By Greylock XIV Principals LLC — — (F1) Greylock XIV GP LLC ("Greylock XIV GP") is the sole general partner of each of Greylock XIV Limited Partnership ("Greylock XIV") and Greylock XIV-A Limited Partnership ("Greylock XIV-A") and manager of Greylock XIV Principals LLC ("Greylock XIV Principals") and may be deemed to share voting and dispositive power with respect to the shares held directly by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person is one of the managing members of Greylock XIV GP, and may be deemed to share voting and investment power over the shares held by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any.
7 Common Class A Common Stock 2025-09-11 J A 244,752 $0.00 1,093,641 D — —
8 Common Class A Common Stock 2025-09-11 J A 2,324 $0.00 9,296 I By Asheem Chandna and Aarti Chandna, trustees of the Chandna Children's Trust dated 12/23/2012 — —
9 Common Class A Common Stock 2025-09-11 J A 11,621 $0.00 46,484 I By The Revocable Trust of Asheem Chandna and Aarti Chandna, UDT 4/13/98 — —
10 Derivative Class B Common Stock 2025-09-11 C D 248,691 $0.00 0 I By Greylock XIV-A Limited Partnership — · — to — 248,691 Class A Common Stock (F1) Greylock XIV GP LLC ("Greylock XIV GP") is the sole general partner of each of Greylock XIV Limited Partnership ("Greylock XIV") and Greylock XIV-A Limited Partnership ("Greylock XIV-A") and manager of Greylock XIV Principals LLC ("Greylock XIV Principals") and may be deemed to share voting and dispositive power with respect to the shares held directly by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person is one of the managing members of Greylock XIV GP, and may be deemed to share voting and investment power over the shares held by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any. (F7) 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.
11 Derivative Class B Common Stock 2025-09-11 C D 4,476,448 $0.00 0 I By Greylock XIV Limited Partnership — · — to — 4,476,448 Class A Common Stock (F1) Greylock XIV GP LLC ("Greylock XIV GP") is the sole general partner of each of Greylock XIV Limited Partnership ("Greylock XIV") and Greylock XIV-A Limited Partnership ("Greylock XIV-A") and manager of Greylock XIV Principals LLC ("Greylock XIV Principals") and may be deemed to share voting and dispositive power with respect to the shares held directly by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person is one of the managing members of Greylock XIV GP, and may be deemed to share voting and investment power over the shares held by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any. (F7) 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.
12 Derivative Class B Common Stock 2025-09-11 C D 248,691 $0.00 0 I By Greylock XIV Principals LLC — · — to — 248,691 Class A Common Stock (F1) Greylock XIV GP LLC ("Greylock XIV GP") is the sole general partner of each of Greylock XIV Limited Partnership ("Greylock XIV") and Greylock XIV-A Limited Partnership ("Greylock XIV-A") and manager of Greylock XIV Principals LLC ("Greylock XIV Principals") and may be deemed to share voting and dispositive power with respect to the shares held directly by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person is one of the managing members of Greylock XIV GP, and may be deemed to share voting and investment power over the shares held by Greylock XIV, Greylock XIV-A and Greylock XIV Principals. The Reporting Person disclaims beneficial ownership of these shares and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any. (F7) 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.