R

SEC EDGAR - Form 4 insider activity

Rubrik, Inc. $RBRK

Tracked equity - 4 filings indexed by Nortis

Nortis signal thesis

Cluster activity detected. Review whether the filings are open-market trades or routine compensation events.

2

OM buys - 90d

2

OM sells - 90d

0

Routine filings

3

Cluster filings

$85.8K

Largest trade

71/100

Avg signal score

Filing tape

Recent filings

Last 30d: 4
Reported BuyCLUSTERHigh signal 85/100
filed 2026-10-07
NABoard

Nithrakashyap Arvind - Director, Chief Technology Officer - -

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 65/100
filed 2026-10-06
WYBoard

Wassenaar Yvonne - Director - $85.8K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERNotable 65/100
filed 2026-10-02
TWBoard

THOMPSON JOHN WENDELL - Director - $34.4K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyHigh signal 70/100
filed 2026-09-26
SBCEO

Sinha Bipul - Director, Chairman of the Board and CEO, 10% Owner

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics.

View source filing