Form 4: Rubrik CTO Sells $18.7M in Planned Stock Transactions

Rubrik's Chief Technology Officer Arvind Nithrakashyap executed a series of planned stock sales totaling over 225,000 shares between June 1 and June 3, 2026.

Summary

• Arvind Nithrakashyap, CTO and Director of Rubrik, Inc., sold a total of 225,087 shares of Class A Common Stock between June 1 and June 3, 2026.
• The sales were preceded by the conversion of an equivalent number of Class B Common Stock into Class A Common Stock.
• Transaction prices ranged from a low of $76.22 to a high of $86.45 per share.
• Total estimated proceeds from these sales are approximately $18.7 million.
• The reporting person still holds 10,133,312 shares of Class B Common Stock directly and 200,000 shares indirectly through a trust.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event because the transactions were pre-planned and the executive retains a massive stake in the company.

Positives

• Transactions were executed under a Rule 10b5-1 trading plan adopted in October 2025, providing transparency and legal protection.
• Arvind Nithrakashyap retains a substantial ownership stake of over 10 million Class B shares.
• The sales were spread over multiple days and price ranges, minimizing immediate market impact.

Negatives

• The sale of 225,087 shares represents a significant liquidation of Class A stock.
• Selling occurred at varying price points, including a dip to $76.22 on June 3.

Risks

• Market perception of significant executive divestment could lead to short-term stock price volatility.
• High-volume selling may create temporary downward pressure on the share price.

Future Outlook

The reporting person continues to hold over 10 million shares of Class B Common Stock, which are convertible to Class A shares. Future sales may continue under the established 10b5-1 trading plan.

Industry Context

StockSavvy.ai notes that Rubrik's CTO is following a common path for executives in recently public cybersecurity firms, using automated plans to manage personal liquidity while maintaining a dominant equity position.

Comparison to Industry Standards

• Rubrik's executive selling behavior aligns with peers like SentinelOne (S) and Okta (OKTA), where high-level insiders utilize 10b5-1 plans to manage equity compensation.
• The retention of over 97% of total voting power through Class B shares is a standard governance structure for founder-led technology firms.

Related Party Transactions

• Arvind Nithrakashyap, Chief Technology Officer and Director, sold 225,087 shares of Class A Common Stock.

Stakeholder Impact

• Potential for minor downward pressure on share price due to increased market supply.
• Increased transparency for shareholders regarding executive liquidity needs.

Next Steps

• Monitor for subsequent Form 4 filings as the 10b5-1 plan continues to execute.

Key Dates

Recommendation

The selling is significant in dollar value but represents a small portion of the executive's total holdings and was conducted via a pre-arranged plan, suggesting no change in the company's fundamental outlook.

Keywords

Rubrik, RBRK, Insider Selling, Arvind Nithrakashyap, Form 4, 10b5-1 Plan, Cybersecurity, Data Management