Rubrik, Inc. (RBRK) Insider Trading
Over the last 3 months, RBRK insiders made 1 open-market buy and 44 sales, a net sale of -$29.5M (SEC Form 4). Over the last 6 months, 411 institutions increased and 242 reduced their position (13F).
Insider Activity
Sentiment
2/100
Buys (3m)
1
Sells (3m)
44
Net (3m)
-$29.5M
Insiders buying
Insider trades by month Buys Sells
Jan
Feb
Mar
Apr
May
Jun
Context3-month price +44.8%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 22,240 | $82.11 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Sell | 800 | $85.87 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Sell | 300 | $82.45 |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 831 | $82.88 |
| Jun 3, 2026 | Herren Richard Scottdirector | Grant | 3,709 | — |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Option | 11,000 | $4.38 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Sell | 4,000 | $84.41 |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 262 | $86.40 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Sell | 1,140 | $84.64 |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 22,206 | $82.72 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Sell | 100 | $79.91 |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 4,246 | $78.96 |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 28,329 | $84.14 |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 1,700 | $77.68 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Sell | 200 | $79.77 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Sell | 160 | $83.49 |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 72,687 | $84.75 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Sell | 991 | $82.73 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Sell | 750 | $82.13 |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 5,655 | $79.56 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Sell | 3,359 | $85.30 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Sell | 1,700 | $86.07 |
| Jun 3, 2026 | Wassenaar Yvonnedirector | Grant | 3,709 | — |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 170 | $84.06 |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 192 | $80.45 |
| Jun 3, 2026 | Wassenaar Yvonnedirector | Sell | 721 | $80.73 |
| Jun 3, 2026 | THOMPSON JOHN WENDELLdirector | Grant | 3,709 | — |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 1,938 | $80.99 |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 1,833 | $81.31 |
| Jun 3, 2026 | Nithrakashyap Arvinddirector, officer: Chief Technology Officer | Sell | 4,155 | $79.68 |
Source: RBRK SEC Form 4 filings, latest Jun 3, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their RBRK positions over the last 6 months (SEC Form 13F).
Increased
411
New positions
208
Reduced
242
Sold out
186
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Increased | 14.7M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 11.7M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 8.8M | May 13, 2026 |
| FMR LLC | Increased | 8.3M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 8.0M | May 8, 2026 |
| FIRST TRUST ADVISORS LP | Increased | 7.1M | Feb 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 6.6M | May 15, 2026 |
| FMR LLC | Increased | 5.3M | Feb 17, 2026 |
| FIRST TRUST ADVISORS LP | Reduced | 4.9M | May 13, 2026 |
| NORGES BANK | New Position | 4.5M | Feb 10, 2026 |
| VOYA INVESTMENT MANAGEMENT LLC | Increased | 3.8M | Feb 12, 2026 |
| VOYA INVESTMENT MANAGEMENT LLC | Reduced | 3.7M | May 12, 2026 |
| POINTSTATE CAPITAL LP | Increased | 3.6M | May 15, 2026 |
| PICTET ASSET MANAGEMENT HOLDING SA | Increased | 3.3M | Apr 22, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.7M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.