Transaction · 0002019143-26-000019

Nithrakashyap Arvind

Nithrakashyap Arvind, CTO, reported an open-market or private sale at Rubrik, Inc. involving 369.000000 shares for an estimated $32305.95. Reported holdings after the transaction were 305744.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCTO
RBRKRubrik, Inc.
Trade date
Sep 10, 2026
Filing date
Sep 11, 2026
View on SEC Insider profile
Disclosed value-$32.3kShares × reported price
Shares traded369$87.55 per share
Holdings after305kDirect
% of reported position traded0.12%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 306,113 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

RBRK price since this filing

Daily closing prices, with the filing date and available return windows
RBRK · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago +11.9%1w ago +6.3%1d ago +2.5%
Returns since7d +23.2%30d +44.4%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0002019143-26-000019
Class A Common Stock
Transaction date
Sep 10, 2026
Filed Sep 11, 2026, 12:46 AM · 1d delay
Shares
369 sh
$87.55 per share
Estimated value
-$32.3k
Computed from shares × price
Holdings after
305,744 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling Direct Ownership Repeat Seller 10b5-1 Detected
Filing-only score

0 points

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Technology Officer

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted October 15, 2025.

  2. F2

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.7975 to $90.79 per share, inclusive. The Reporting Person underta…

  3. F3

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.805 to $91.79 per share, inclusive. The Reporting Person undertak…

  4. F4

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.80 to $92.195 per share, inclusive. The Reporting Person undertak…

  5. F5

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.775 to $89.77 per share, inclusive. The Reporting Person undertak…

  6. F6

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.805 to $90.77 per share, inclusive. The Reporting Person undertak…

  7. F7

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.82 to $91.7625 per share, inclusive. The Reporting Person underta…

  8. F8

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.785 to $92.67 per share, inclusive. The Reporting Person undertak…

  9. F9

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.31 to $88.05 per share, inclusive. The Reporting Person undertake…

  10. F10

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.41 to $89.26 per share, inclusive. The Reporting Person undertake…

  11. F11

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.315 to $90.2775 per share, inclusive. The Reporting Person undert…

  12. F12

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.315 to $91.30 per share, inclusive. The Reporting Person undertak…

  13. F13

    The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.315 to $92.30 per share, inclusive. The Reporting Person undertak…

  14. F14

    Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon the sale or transfer of such share of Class B Common Stock, subje…

  15. F15

    The shares are held of record by Arvind Nithrakashyap, as Trustee of the Nithrakashyap/Chatterjee Revocable Trust, for which the Reporting Person serves as trustee and shares voting and dispositive po…

Original filing · 0002019143-26-000019
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