Rubrik, Inc. (RBRK)
NYSE: RBRK · Services-Prepackaged Software · Palo Alto, CA · filing with the SEC since 2022
Who owns Rubrik, Inc.
As filed with the SECHolders of 5% or more
7
Arvind Nithrakashyap holds 11.5% of Class A Common Stock, $0.000025 par value per share, as its SCHEDULE 13G filed Feb 14, 2025 says.
Directors and officers
11
report now, of 12 people on the record since 2024. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 7 named at left.
Holders of 5% or moreshare of the class, as filed
Arvind Nithrakashyap
SCHEDULE 13G · filed Feb 14, 2025 · Class A Common Stock, $0.000025 par value per share
Bipul Sinha
SCHEDULE 13D/A · filed Sep 12, 2025 · Class A Common Stock · 9.9% in Apr 1, 2025
AQR Capital Management, LLC
SCHEDULE 13G · filed Aug 13, 2026 · Class A Common Stock, $0.000025 par value
Fmr LLC
SCHEDULE 13G · filed May 6, 2026 · CLASS A COMMON STOCK
Blackrock, Inc.
SCHEDULE 13G · filed Apr 27, 2026 · Common Stock
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Vanguard Capital Management
SCHEDULE 13G · filed Jul 31, 2026 · Common Stock
Norges Bank
SCHEDULE 13G/A · filed Feb 12, 2025 · Common Stock · reported falling below 5%
Greylock XIV GP LLC
SCHEDULE 13G/A · filed Aug 14, 2025 · Class A Common Stock, $0.000025 par value per share · reported falling below 5%, from 8.99% in May 7, 2025
VK Services, LLC
SCHEDULE 13G/A · filed Feb 14, 2025 · Class A Common Stock, $0.000025 par value per share · reported falling below 5%
LS SPV Management, LLC
SCHEDULE 13G/A · filed Aug 14, 2026 · Class A Common Stock, $0.000025 par value · reported falling below 5%, from 2.8% in Feb 17, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 9.16% in Oct 30, 2025
What RBRK reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Predibase, Inc.
A company bought · acquisition · Jul 2025 · owns, named in the 10-K filed Mar 19, 2026
Laminar Technologies, Inc.
A company bought · acquisition · Aug 2023 · owns, named in the 10-K filed Mar 19, 2026
Tax of Settlement
A company bought · acquisition · owns, named in the 10-K filed Mar 19, 2026
3 subsidiaries in 3 countries, from the list filed with the 10-K filed Mar 19, 2026.
Insider tradesForm 4
245sales
1purchases
232sales on a scheduled plan
6people selling
$82.7Msold, in dollars
$500,000bought, in dollars
Open-market trades on Form 4 from Nov 4, 2025 to Nov 4, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 4, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window7 of 32 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Nithrakashyap Arvind | Chief Technology Officer | 96 | $42.2M | 94 | 0 | $0 |
| Choudary Kiran Kumar | Chief Financial Officer | 46 | $15.6M | 43 | 0 | $0 |
| Thompson John Wendell | director | 79 | $12.1M | 79 | 0 | $0 |
| Mhatre Ravi | director | 6 | $9.4M | 0 | 0 | $0 |
| Mccarthy Brian K. | Pres.,Global Sales & Field Ops | 10 | $2.7M | 8 | 0 | $0 |
| Wassenaar Yvonne | director | 8 | $700,000 | 8 | 0 | $0 |
| Mclaughlin Mark D | director | 0 | $0 | 0 | 1 | $500,000 |