Form 4: Rubrik Director Sells Shares Under 10b5-1 Plan

Rubrik, Inc. Director Yvonne Wassenaar has sold 721 shares of Class A Common Stock for $81.57 per share, executed under a pre-arranged Rule 10b5-1 trading plan.

Summary

• Yvonne Wassenaar, a Director at Rubrik, Inc., reported a transaction on July 1, 2026.
• The transaction involved the sale of 721 shares of Class A Common Stock.
• The sale price was $81.57 per share.
• This sale was conducted under a Rule 10b5-1 trading plan adopted on December 15, 2025.
• Following the transaction, Wassenaar beneficially owns 4,638 shares of Class A Common Stock directly.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing. While an insider sale can be a negative signal, the execution under a Rule 10b5-1 plan mitigates concerns about insider trading and suggests a pre-determined personal financial strategy.

Negatives

• Director sale of company stock can sometimes be perceived negatively by the market, though this sale was executed under a pre-planned trading strategy.

Future Outlook

No specific future outlook or guidance is provided in this filing, as it solely reports a past transaction.

Industry Context

StockSavvy.ai notes that insider sales, particularly when executed under a Rule 10b5-1 plan, are common and often reflect personal financial planning rather than a negative view of the company's prospects. However, the market may still interpret such sales with caution.

Stakeholder Impact

• Shareholders: May view the sale with some concern, although the Rule 10b5-1 plan provides a degree of reassurance against insider trading allegations.

Key Dates

Keywords

Rubrik, RBRK, Form 4, Insider Trading, Stock Sale, Rule 10b5-1, Director Transaction, Beneficial Ownership