Kiran Kumar Choudary, Chief Financial Officer of Rubrik, Inc. (RBRK +4.14%), reported the sale of 23,995 shares of Class A Common Stock in a series of transactions between Sept. 15, 2026, and Sept. 17, 2026, according to a recent SEC Form 4 filing.
Transaction summary
| Metric | Value |
|---|---|
| Transaction value | $2.5 million |
| Shares sold | 23,995 |
| Post-transaction shares (directly held) | 958,078 |
| Post-transaction value | $103.3 million |
Transaction value based on SEC Form 4 weighted average sale price ($102.12); post-transaction value based on Sept. 17, 2026, market close ($107.83).
Key questions
- What was the breakdown between discretionary and non-discretionary selling?
The filing indicates that the company withheld 13,995 shares to satisfy tax withholding requirements, while the remaining 10,000 shares were sold on the open market. - How does the Rule 10b5-1 plan impact the interpretation of this activity?
The 10,000-share portion of the sale was executed under a trading plan established on April 15, 2026, which allows insiders to set a predetermined schedule for selling stock to minimize concerns about non-public information. - What is the insider's total remaining equity exposure?
Following these transactions, Kiran Kumar Choudary maintains a direct position of 958,078 shares and also holds derivative securities. - How has Rubrik stock performed over the past year?
As of the Sept. 17, 2026 market close, shares of the technology company have delivered a total return of 46% over the preceding 12-month period.
Company Overview
| Metric | Value |
|---|---|
| Share Price (as of market close 2026-09-17) | $107.83 |
| Market Capitalization | $22.3 billion |
| Revenue (TTM) | $1.5 billion |
| Net Income (TTM) | -$254.4 million |
Company Snapshot
- Rubrik provides a comprehensive suite of advanced data security solutions that address enterprise data protection, unstructured data management, cloud environment security, and Software-as-a-Service (SaaS) application protection across global markets.
- The company generates revenue through its software-based data protection platform, which delivers recurring subscription-based licensing and professional services to organizations seeking to secure and manage their critical data assets.
- Rubrik serves enterprise customers across multiple verticals, including financial services, healthcare, manufacturing, and technology sectors, targeting mid-market to large organizations with complex data security requirements.
RBRK Rubrik
NYSE · As of 4:00 PM ET 10/15/26
Rubrik operates as a global infrastructure software provider with a market capitalization of $22 billion and TTM revenue of $1.5 billion, positioning the company as a significant player in the data security and protection market.
The company leverages a cloud-native platform architecture to deliver integrated data threat analytics and security posture assessment capabilities, enabling differentiated competitive positioning within the enterprise data protection segment.
With 3,797 employees and headquarters in Palo Alto, Rubrik is focused on expanding its addressable market through product innovation and strategic customer acquisition in an increasingly critical cybersecurity domain.
What this transaction means for investors
This sale shouldn't concern investors. It was executed under a Rule 10b5-1 plan, which insiders use to complete pre-planned transactions for personal reasons that don't reflect a view on the company's fundamentals or valuation.
Moreover, the executive still retains a substantial stake in the stock worth close to $100 million.
Rubrik is posting strong growth, with TTM revenue up 42% year over year to $1.5 billion. However, the business continues to report large operating losses on the bottom line. Management attributed the growth to demand for solutions to guard against agentic AI-orchestrated attacks.
The stock trades at a high multiple of sales, implying expectations for high revenue growth and margin expansion over the long term.
