Nithrakashyap Arvind 4

4 · Rubrik, Inc. · Filed Jul 8, 2026

Research Summary

AI-generated summary of this filing

Updated Jul 8, 2026

Rubrik (RBRK) CTO Nithrakashyap Arvind Sells 38,460 Shares

What Happened
Nithrakashyap Arvind, Rubrik's Chief Technology Officer and a director, sold a total of 38,460 shares of Rubrik common stock in open-market transactions between July 6 and July 8, 2026, generating approximately $3.33 million in proceeds. The shares were sold in multiple tranches at prices ranging roughly from $83.22 to $89.53 per share (weighted-average overall ≈ $86.7). The filing also reports three conversions of 12,820 shares each (total 38,460) of Class B common stock into Class A common stock at $0 cost prior to the sales.

Key Details

Transaction dates: July 6–8, 2026 (Form 4 filed July 8, 2026). Filing appears timely.
Total sold: 38,460 shares; total proceeds ≈ $3,332,423; weighted-average price ≈ $86.7/share.
Conversions: Three reported conversions of 12,820 shares each (Class B → Class A) at $0.00 (see footnote re: automatic/optional conversion).
Plan/authorization: Sales were effected pursuant to a Rule 10b5-1 trading plan adopted October 15, 2025 (footnote F1).
Price reporting: The filing uses weighted-average prices and multiple footnotes that show the sales were executed across several price ranges (roughly $83.2–$89.53 per share). The filer offers to provide per-trade price breakdowns on request.
Shares owned after transaction: Not stated in the supplied summary of the Form 4 filing.

Context

The filing shows conversions of Class B into Class A common stock (reported at $0 cost) followed by open-market sales of the resulting Class A shares. Footnote language indicates Class B shares are convertible into Class A and may convert automatically on sale/transfer.
Trades made under a pre-established 10b5-1 plan are typically pre-planned and do not necessarily indicate a change in the insider’s view of the company.

Insider Transaction Report

Form 4

Period: 2026-07-06

Rubrik, Inc.RBRK

Nithrakashyap Arvind

DirectorChief Technology Officer

Transactions

Sale
Class A Common Stock
[F1][F7]
2026-07-06$88.69/sh−4,129$366,201→ 303,872 total
Conversion
Class A Common Stock
2026-07-06+12,820→ 316,431 total
Sale
Class A Common Stock
[F1][F2]
2026-07-06$83.37/sh−192$16,007→ 316,239 total
Sale
Class A Common Stock
[F1][F3]
2026-07-06$85.04/sh−257$21,855→ 315,982 total
Sale
Class A Common Stock
[F1][F4]
2026-07-06$85.56/sh−562$48,085→ 315,420 total
Sale
Class A Common Stock
[F1][F5]
2026-07-06$86.91/sh−665$57,795→ 314,755 total
Sale
Class A Common Stock
[F1][F6]
2026-07-06$87.66/sh−6,754$592,056→ 308,001 total
Sale
Class A Common Stock
[F1][F8]
2026-07-06$89.28/sh−261$23,302→ 303,611 total
Conversion
Class A Common Stock
2026-07-07+12,820→ 316,431 total
Sale
Class A Common Stock
[F1][F9]
2026-07-07$85.44/sh−749$63,995→ 315,682 total
Sale
Class A Common Stock
[F1][F10]
2026-07-07$86.45/sh−1,821$157,425→ 313,861 total
Sale
Class A Common Stock
[F1][F11]
2026-07-07$87.32/sh−4,957$432,845→ 308,904 total
Sale
Class A Common Stock
[F1][F12]
2026-07-07$88.33/sh−3,978$351,377→ 304,926 total
Sale
Class A Common Stock
[F1][F13]
2026-07-07$89.13/sh−1,315$117,206→ 303,611 total
Conversion
Class A Common Stock
2026-07-08+12,820→ 316,431 total
Sale
Class A Common Stock
[F1][F14]
2026-07-08$84.02/sh−6,728$565,287→ 309,703 total
Sale
Class A Common Stock
[F1][F15]
2026-07-08$84.87/sh−4,233$359,255→ 305,470 total
Sale
Class A Common Stock
[F1][F16]
2026-07-08$85.67/sh−1,446$123,879→ 304,024 total
Sale
Class A Common Stock
[F1][F17]
2026-07-08$86.81/sh−413$35,853→ 303,611 total
Conversion
Class B Common Stock
[F18]
2026-07-06−12,820→ 10,120,492 total
→ Class A Common Stock (12,820 underlying)
Conversion
Class B Common Stock
[F18]
2026-07-07−12,820→ 10,107,672 total
→ Class A Common Stock (12,820 underlying)
Conversion
Class B Common Stock
[F18]
2026-07-08−12,820→ 10,094,852 total
→ Class A Common Stock (12,820 underlying)

Holdings

Class B Common Stock
[F18][F19]
(indirect: By Trust)
→ Class A Common Stock (200,000 underlying)
200,000

Footnotes (19)

[F1]This sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan, adopted October 15, 2025.
[F10]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.825 to $86.81 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F11]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.825 to $87.8225 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F12]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.825 to $88.7625 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F13]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.85 to $89.525 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F14]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.405 to $84.38 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F15]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.4075 to $85.39 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F16]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.405 to $86.325 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F17]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.6075 to $87.26 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F18]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, 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 Reporting Person into one share of Class A Common Stock and has no expiration date.
[F19]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 power with his spouse.
[F2]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.22 to $83.415 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F3]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.8725 to $85.1475 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F4]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.305 to $86.02 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F5]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.38 to $87.195 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F6]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.22 to $88.215 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F7]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.22 to $89.215 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F8]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.235 to $89.31 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.
[F9]The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.825 to $85.82 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separated price within the range set forth in this footnote.

Signature

/s/ Milson Yu, Attorney-in-Fact|2026-07-08

Documents

1 file

4
form4-07082026_110722.xmlPrimary