Form4insider filings, from the source

SEC Form 4 · accession 0002019143-26-000019

Rubrik, Inc. · RBRK

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Arvind Nithrakashyap
Officer — Chief Technology Officer · Director
Period of report
Sep 8, 2026
Accepted (ET)
Sep 10, 2026 · 8:46 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001943896

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Class A Common StockSep 8, 2026C12,820$0.00A306,113D
Class A Common StockF2Sep 8, 2026S2,767$90.43D303,346D
Class A Common StockF3Sep 8, 2026S7,836$91.47D295,510D
Class A Common StockF4Sep 8, 2026S2,217$91.95D293,293D
Class A Common StockSep 9, 2026C12,820$0.00A306,113D
Class A Common StockF5Sep 9, 2026S3,243$89.33D302,870D
Class A Common StockF6Sep 9, 2026S5,297$90.41D297,573D
Class A Common StockF7Sep 9, 2026S3,237$91.16D294,336D
Class A Common StockF8Sep 9, 2026S1,013$92.08D293,323D
Class A Common StockSep 9, 2026S30$92.87D293,293D
Class A Common StockSep 10, 2026C12,820$0.00A306,113D
Class A Common StockF9Sep 10, 2026S369$87.55D305,744D
Class A Common StockF10Sep 10, 2026S611$89.12D305,133D
Class A Common StockF11Sep 10, 2026S4,844$89.73D300,289D
Class A Common StockF12Sep 10, 2026S4,675$90.88D295,614D
Class A Common StockF13Sep 10, 2026S2,321$91.67D293,293D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Class B Common StockF14—Sep 8, 2026C12,820D——Class A Common Stock12,82010,053,890D
Class B Common StockF14—Sep 9, 2026C12,820D——Class A Common Stock12,82010,041,070D
Class B Common StockF14—Sep 10, 2026C12,820D——Class A Common Stock12,82010,028,250D
Class B Common StockF15,F14—holding—————Class A Common Stock200,000200,000I

Explanation of responses