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RBRK · Rubrik, Inc.
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RBRK Rubrik (RBRK) Insider Trading, Ownership & Congress Trades

Software & IT · Services-prepackaged software · CIK 0001943896
Quote by TradingView
Form 144 · 5
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
409
13F, latest reported quarter
Conversions, 180 days
39
Codes C/M, not in net · $0 priced

What the filings say about RBRK

Insiders, 180 days
-$45.8M net sold
5 sellers · 40% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$71.8M
5 notices

Rubrik insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, Rubrik, Inc. insiders sold a net $45.8M of stock across 491 Form 4 purchases and sales, with no insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
Nithrakashyap Arvind
Chief Technology Officer
SELL
2026-10-07 SEC
1,478
$182.3K
+10.3%
Context
  • 153 earlier Form 4 trades (code P or S) here by this insider (153 sales), the last on Oct 6, 2026.
  • The trade is 0.5% of the 283,880 shares held after it.
  • 3 other insiders sold within 30 days.
  • 409 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Technology Officer Nithrakashyap Arvind sold about $182.3K of RBRK under a 10b5-1 plan on Oct 7, 2026; 3 other insiders sold within 30 days and 409 funds added in the latest 13F quarter.
Nithrakashyap Arvind
Chief Technology Officer
SELL
2026-10-07 SEC
8,274
$1.0M
+10.3%
Context
  • 153 earlier Form 4 trades (code P or S) here by this insider (153 sales), the last on Oct 6, 2026.
  • The trade is 3.0% of the 275,606 shares held after it.
  • 3 other insiders sold within 30 days.
  • 409 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Technology Officer Nithrakashyap Arvind sold about $1.0M of RBRK under a 10b5-1 plan on Oct 7, 2026; 3 other insiders sold within 30 days and 409 funds added in the latest 13F quarter.
Nithrakashyap Arvind
Chief Technology Officer
SELL
2026-10-07 SEC
3,055
$381.2K
+10.3%
Context
  • 153 earlier Form 4 trades (code P or S) here by this insider (153 sales), the last on Oct 6, 2026.
  • The trade is 1.1% of the 272,551 shares held after it.
  • 3 other insiders sold within 30 days.
  • 409 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Technology Officer Nithrakashyap Arvind sold about $381.2K of RBRK under a 10b5-1 plan on Oct 7, 2026; 3 other insiders sold within 30 days and 409 funds added in the latest 13F quarter.
Nithrakashyap Arvind
Chief Technology Officer
SELL
2026-10-07 SEC
13
$1.6K
+10.3%
Context
  • 153 earlier Form 4 trades (code P or S) here by this insider (153 sales), the last on Oct 6, 2026.
  • The trade is 0.0% of the 272,538 shares held after it.
  • 3 other insiders sold within 30 days.
  • 409 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Technology Officer Nithrakashyap Arvind sold about $1.6K of RBRK under a 10b5-1 plan on Oct 7, 2026; 3 other insiders sold within 30 days and 409 funds added in the latest 13F quarter.
Nithrakashyap Arvind
Chief Technology Officer
SELL
2026-10-07 SECtraded 2026-10-06
582
$73.0K
+10.3%
Context
  • 149 earlier Form 4 trades (code P or S) here by this insider (149 sales), the last on Oct 5, 2026.
  • The trade is 0.2% of the 284,776 shares held after it.
  • 3 other insiders sold within 30 days.
  • 409 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Technology Officer Nithrakashyap Arvind sold about $73.0K of RBRK under a 10b5-1 plan on Oct 6, 2026; 3 other insiders sold within 30 days and 409 funds added in the latest 13F quarter.
491 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 486 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$45.8M over 180 days
-$17.3M over 90 days
below 85% of Software & IT
Congress
no House purchase disclosed in the last 12 months
Funds
409 funds bought in last quarter
more than 90% of Software & IT
Revenue
+48.5% year over year
more than 85% of Software & IT
Margin
-26.5% net margin
below 72% of Software & IT
Buybacks
no share repurchases reported
Short interest
8.1% of the float short (float per yahoo 2026-10-27) · 4.6 days to cover · settled 2026-10-15
What changed in the last 30 days
Oct 7Chief Technology Officer Nithrakashyap Arvind sold $4.8M under a 10b5-1 plan (14 trades, Oct 5 to Oct 7)
Why it matters
A 10b5-1 plan schedules trades months ahead, so this says little about what the insider thinks today.
Oct 6Director Wassenaar Yvonne sold $85.8K under a 10b5-1 plan (Oct 5)
Why it matters
A 10b5-1 plan schedules trades months ahead, so this says little about what the insider thinks today.
Oct 2Director THOMPSON JOHN WENDELL sold $1.6M under a 10b5-1 plan (Oct 1)
Why it matters
A 10b5-1 plan schedules trades months ahead, so this says little about what the insider thinks today.

Watch RBRK

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+73.6%12M
-43%-4%+35%+74%2025-102025-122026-022026-042026-062026-082026-10 2025-12-12 · Mhatre Ravi sold $8.0M2026-06-01 · Nithrakashyap Arvind sold $6.2M2026-03-24 · Choudary Kiran Kumar sold $5.9M2026-06-01 · Nithrakashyap Arvind sold $4.1M2025-12-17 · Nithrakashyap Arvind sold $2.4M2026-06-01 · Nithrakashyap Arvind sold $2.4M2026-06-01 · Nithrakashyap Arvind sold $1.8M2026-06-01 · Nithrakashyap Arvind sold $1.8M2026-10-06 · Nithrakashyap Arvind sold $1.4M2026-03-24 · Nithrakashyap Arvind sold $1.4M2026-07-15 · Choudary Kiran Kumar sold $1.3M2026-10-07 · Nithrakashyap Arvind sold $1.0M2026-01-16 · Choudary Kiran Kumar sold $967.9K2026-10-01 · THOMPSON JOHN WENDELL sold $891.0K2026-06-02 · Nithrakashyap Arvind sold $821.1K2026-02-18 · Choudary Kiran Kumar sold $733.0K2026-09-08 · Nithrakashyap Arvind sold $716.8K2026-10-05 · Nithrakashyap Arvind sold $688.7K2026-08-05 · Nithrakashyap Arvind sold $687.7K2026-07-06 · Nithrakashyap Arvind sold $592.1K2026-07-01 · THOMPSON JOHN WENDELL sold $579.7K2026-07-08 · Nithrakashyap Arvind sold $565.3K2026-08-03 · Nithrakashyap Arvind sold $563.4K2025-11-03 · THOMPSON JOHN WENDELL sold $559.3K2026-08-24 · Choudary Kiran Kumar sold $522.8K2026-01-05 · THOMPSON JOHN WENDELL sold $522.3K2026-04-07 · Choudary Kiran Kumar sold $515.1K2026-03-30 · MCLAUGHLIN MARK D bought $502.2K2025-12-10 · McCarthy Brian K. sold $488.0K2026-09-09 · Nithrakashyap Arvind sold $478.9K2025-11-10 · McCarthy Brian K. sold $474.2K2026-06-03 · Nithrakashyap Arvind sold $449.9K2026-09-10 · Nithrakashyap Arvind sold $434.7K2026-07-07 · Nithrakashyap Arvind sold $432.8K2026-08-24 · Choudary Kiran Kumar sold $430.4K2026-09-10 · Nithrakashyap Arvind sold $424.9K2026-08-03 · THOMPSON JOHN WENDELL sold $423.2K2026-09-01 · THOMPSON JOHN WENDELL sold $418.4K2026-09-01 · THOMPSON JOHN WENDELL sold $406.4K2026-05-01 · THOMPSON JOHN WENDELL sold $397.6K2026-08-03 · THOMPSON JOHN WENDELL sold $391.9K2026-07-15 · Choudary Kiran Kumar sold $388.5K2026-09-25 · Bipul Sinha filed to sell $56.9M2026-09-08 · Arvind Nithrakashyap filed to sell $11.7M2026-09-03 · YVONNE WASSENAAR filed to sell $188.6K2026-08-03 · JOHN THOMPSON filed to sell $2.4M2026-08-03 · JOHN AND SANDRA THOMPSON TRUST filed to sell $542.7K2026-07-15 · KIRAN CHOUDARY filed to sell $4.2M2026-07-13 · Lightspeed General Partner IX, LP filed to sell $636.2K2026-07-13 · Lightspeed General Partner Select II, L.P. filed to sell $13.0K2026-07-13 · Lightspeed Management Company, L.L.C. filed to sell $333.4K2026-06-26 · Lightspeed General Partner IX, L.P. filed to sell $538.5K2026-06-26 · Lightspeed General Partner Select II, LP filed to sell $11.0K2026-06-26 · Lightspeed Management Company, LLC filed to sell $282.2K
Insider buyInsider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns RBRK: institutional holders (13F)

13F holdings, latest reported quarter
BlackRock, Inc.
9,990,174 sh
$802.0M
AQR CAPITAL MANAGEMENT LLC
9,947,988 sh
$780.1M
FMR LLC
9,202,121 sh
$738.7M
VANGUARD PORTFOLIO MANAGEMENT LLC
8,301,380 sh
$666.4M
VANGUARD CAPITAL MANAGEMENT LLC
6,885,243 sh
$552.7M

Congress trades in RBRK

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

RBRK planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
Bipul Sinha
Filed 2026-09-25
$56.9M
Arvind Nithrakashyap
Filed 2026-09-08
$11.7M
YVONNE WASSENAAR
Filed 2026-09-03
$188.6K
JOHN THOMPSON
Filed 2026-08-03
$2.4M
JOHN AND SANDRA THOMPSON TRUST
Filed 2026-08-03
$542.7K

RBRK mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
WisdomTree Cybersecurity Fund
$5.1M position · as of 2026-06-30
5.0%
Global X Cybersecurity ETF
$58.0M position · as of 2026-05-31
4.9%
Amplify Cybersecurity ETF
$103.2M position · as of 2026-06-30
4.0%
Renaissance IPO ETF
$6.3M position · as of 2026-06-30
3.5%
Congress SMid Growth ETF
$15.2M position · as of 2026-07-31
3.4%
Baron SMID Cap ETF
$1.1M position · as of 2026-06-30
3.2%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Bipul Sinha
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$1.8M
-$26.1M
$26.9M
+51%
+56%
2024
$140.0M
$339.9M
$8.3M
+98%
+24%
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders have filed to sell, before selling.
The record shows a net $45.8M sold by insiders over 180 days, 409 funds added last quarter, $71.8M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
TEAMMETACRWVCRMCRWDNETDDOGAPPIOTPCTYDUOLMDB

RBRK financials

Revenue growth
+48.5%
XBRL, annual
Net margin
-26.5%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$1.5B
four quarters, 2025-08-01 to 2026-07-31
Net margin, TTM
+6.1%
net income over revenue, 2025-08-01 to 2026-07-31
Free cash flow, TTM
$303.9M
operating cash flow minus capex, 2025-08-01 to 2026-07-31
Debt to equity
n/a
equity is zero or negative, the ratio has no meaning
Cash flow to debt
n/a
no debt to cover
Return on equity
n/a
average equity is zero or negative
Return on assets
+3.6%
TTM net income over average of 2025-07-31 and 2026-07-31
Return on invested capital
n/a
pre-tax loss, no effective tax rate to apply
Return on capital employed
-20.2%
operating income (EBIT proxy) over average of 2025-07-31 and 2026-07-31 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
n/a
no share count filed
FCF yield
n/a
no share count filed
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2026-012025-012024-012023-01
Revenue$1.3B$886.5M$627.9M$599.8M
Gross profit$1.1B$620.8M$482.9M$417.8M
Operating income-$345.4M-$1.1B-$306.5M-$261.5M
Net income-$350.0K-$1.1M-$354.2M-$277.7M
EPS (diluted)n/an/a-5.84-4.66
Operating cash flow$282.9M$48.2M-$4.5M$19.3M
Cash$380.2M$186.3M$130.0Mn/a
Long-term debt$0$322.3M$287.0Mn/a
Buybacksn/a$0$0$6.0K
SEC XBRL, fiscal years, as known on 2026-10-28

RBRK Stock Sonar score 5/7 axes

Find similar shapesCompare

RBRK ranks highest on institutional and government (90th percentile) and growth (82nd), and lowest on insider conviction (7th), among Software & IT peers.

ProfitGrowthInsidersInstitutionsRisk
Profitability
47
Inputs
  • Return on equityaverage equity is zero or negative
  • Return on assets+3.6% · 67 pct, sector of 381
  • Return on invested capitalpre-tax loss, no effective tax rate to apply
  • Return on capital employed-20.2% · 27 pct, sector of 294
Growth
82
Inputs
  • Revenue growth, YoY+48.5% · 85 pct, sector of 480
  • Backlog growth, YoY+29.5% · 80 pct, sector of 182
Insider conviction
7
Inputs
  • Net Form 4 buying (codes P and S), 180d-$32.6M · 14 pct, sector of 284
  • Insider buyers, 180d0 · 0 pct, sector of 290
Institutional and government
90
Inputs
  • Funds adding, latest quarter409 · 90 pct, sector of 415
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
32
Inputs
  • Short interest, % of float+8.1% · 34 pct, sector of 528
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5ynot measured for this sector, almost no peer has an event
  • New text in Risk Factors, latest 10-K+16.6% · 30 pct, sector of 316
2 not measured: Financial health, US patents
  • Financial health needs 1 of 2 inputs, 0 present: equity is zero or negative, the ratio has no meaning; no debt to cover
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

RBRK filings, in plain words

Are Rubrik insiders buying or selling RBRK?

In the 180 days to 2026-10-28, Rubrik insiders were net sellers, a net $45.8M across purchases and sales reported on Form 4, by 5 sellers.

Are there planned insider sales of RBRK?

Yes. 5 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-28, covering $71.8M of stock; the latest, by Bipul Sinha, was filed 2026-09-25.

Read the full summary

In the 180 days to 2026-10-28, Rubrik insiders were net sellers of RBRK, a net $45.8M across purchases and sales reported on Form 4 by 5 sellers. 40% of the 141 insider sales were made under a Rule 10b5-1 plan; the rest were not flagged as planned. Insiders filed 5 Form 144 notices of intent to sell in the 90 days to 2026-10-28, covering $71.8M of stock. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

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