Form 4: Rubrik CFO Sells Shares After Option Exercise

Rubrik's Chief Financial Officer, Kiran Kumar Choudary, reported the exercise of stock options and subsequent sale of Class A Common Stock totaling 3,500 shares.

Summary

• Kiran Kumar Choudary, Chief Financial Officer of Rubrik, Inc. (RBRK), reported transactions on October 1, 2025.
• Choudary exercised options to acquire 2,000 shares of Class B Common Stock at an exercise price of $7.99 per share.
• These 2,000 Class B Common Stock shares were then converted into 2,000 shares of Class A Common Stock.
• Following the conversion, Choudary sold a total of 3,500 shares of Class A Common Stock through multiple transactions.
• The sales were executed pursuant to a Rule 10b5-1 trading plan adopted on January 15, 2025.
• The sales included 1,520 shares at a weighted average price of $82.12, 1,780 shares at a weighted average price of $83.03, and 200 shares at $83.77.
• Beneficial ownership of Class A Common Stock decreased from 517,051 shares (which included 367 shares purchased via an employee stock purchase plan on September 20, 2025) to 513,551 shares after these transactions.
• Beneficial ownership of Class B Common Stock decreased from 58,450 shares to 56,450 shares after the option exercise and conversion.

Sentiment

Score: 4

Explanation: The sentiment is slightly negative due to the insider selling of Class A Common Stock, even though it was conducted under a pre-planned 10b5-1 trading plan. The exercise of options is a neutral to positive event for the insider, but the subsequent sales outweigh this in terms of market perception.

Positives

• The exercise of stock options indicates the reporting person is realizing value from their equity compensation.
• The transactions were conducted under a pre-arranged Rule 10b5-1 trading plan, indicating a structured approach to managing personal holdings rather than opportunistic selling.

Negatives

• The Chief Financial Officer sold a significant number of Class A Common Stock shares (3,500 shares), which could be perceived as a reduction in insider confidence, despite being part of a pre-planned trading strategy.

Risks

• NA

Future Outlook

NA

Industry Context

NA

Management Changes

Corporate Governance

Legal Proceedings

• NA

Related Party Transactions

• NA

Stakeholder Impact

• Shareholders may view the insider selling as a signal regarding management's confidence in the company's near-term prospects, potentially leading to negative sentiment or increased scrutiny of the stock.

Next Steps

• NA

Key Dates

Recommendation

While the insider sales were conducted under a pre-arranged 10b5-1 plan, which mitigates the immediate negative signal, the sheer volume of shares sold by a key executive like the CFO warrants caution. Investors should hold and monitor future insider activity and company performance, as significant insider selling can sometimes precede periods of underperformance or indicate a belief that the stock is fully valued. A Form 4 alone is not sufficient for a strong buy or sell recommendation, but it adds a data point for consideration.

Keywords

Rubrik, RBRK, Insider Trading, Form 4, Stock Sale, CFO, Equity, Option Exercise, 10b5-1 Plan