Nithrakashyap Arvind, chief technology officer at Rubrik (RBRK), has filed 149 Form 4 transactions, all in the single company. The pattern is one-sided. His total sell value is $74,993,098.64, and his total buy value is zero. He has not made a single open-market purchase in the filing history.
The recent activity is concentrated in early October 2026. On October 5, Arvind executed six sales in RBRK, with values ranging from $13,228.60 to $688,744. The next day, October 6, brought four more sales, including the largest single transaction in the recent window at $1,400,280.14. October 7 saw four additional sales, the biggest of which was $1,026,389.70. Each of those three days also included a conversion of a derivative security (code C) valued at $0, which is a mechanical event rather than a cash transaction.
The selling is not limited to open-market sales. On September 15, 2026, Arvind had shares withheld to cover tax obligations (code F) worth $1,045,687.20, an automatic process. The prior week, on September 9 and 10, he made six open-market sales totaling roughly $1.16 million. Across the 20 most recent sell transactions, the dollar amounts vary widely, from a $1,632.41 sale on October 7 to the seven-figure transactions on October 5 and 6. The direction is consistent: Arvind has been a seller of RBRK stock, with no purchases recorded in the recent period or across his entire filing history.
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