Rubrik, Inc. 4

Rubrik CTO Nithrakashyap Arvind converted Class B into Class A shares and sold a total of 46,460 Class A shares of Rubrik, Inc. for roughly $4.0 million under a Rule 10b5‑1 plan on July 6–8, 2026.

On July 6–8, 2026, Rubrik, Inc. Chief Technology Officer Nithrakashyap Arvind reported a series of automatic conversions of Class B Common Stock into Class A Common Stock followed by open‑market sales under a pre‑established Rule 10b5‑1 trading plan. Each day, 12,820 shares of Class B stock were converted into Class A (coded “C” at $0), and on the same dates he sold a total of 19,820 Class A shares on July 6, 13,820 shares on July 7, and 12,820 shares on July 8 in multiple tranches at weighted average prices ranging from approximately $83.37 to $89.28 per share, generating an estimated $3.98 million in gross proceeds. Following these transactions, he continued to hold 303,611 shares of Class A Common Stock directly and an additional 200,000 Class A shares indirectly via the Nithrakashyap/Chatterjee Revocable Trust, along with remaining Class B shares that are convertible into Class A on a one‑for‑one basis, indicating a meaningful but not outsized portfolio rebalancing rather than a full exit of his position.

Filing Facts

CIK

1943896

Ticker

RBRK

Form

4

Source Type

sec

Accession

0002019143-26-000015

Alert Tier

6